content/renderer/render_view_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/renderer/render_view_impl.h"
   6
   7 #include <algorithm>
   8 #include <cmath>
   9
  10 #include "base/auto_reset.h"
  11 #include "base/bind.h"
  12 #include "base/bind_helpers.h"
  13 #include "base/command_line.h"
  14 #include "base/compiler_specific.h"
  15 #include "base/debug/alias.h"
  16 #include "base/files/file_path.h"
  17 #include "base/i18n/rtl.h"
  18 #include "base/json/json_writer.h"
  19 #include "base/lazy_instance.h"
  20 #include "base/memory/scoped_ptr.h"
  21 #include "base/message_loop/message_loop_proxy.h"
  22 #include "base/metrics/field_trial.h"
  23 #include "base/metrics/histogram.h"
  24 #include "base/process/kill.h"
  25 #include "base/process/process.h"
  26 #include "base/strings/string_number_conversions.h"
  27 #include "base/strings/string_piece.h"
  28 #include "base/strings/string_split.h"
  29 #include "base/strings/string_util.h"
  30 #include "base/strings/sys_string_conversions.h"
  31 #include "base/strings/utf_string_conversions.h"
  32 #include "base/time/time.h"
  33 #include "base/trace_event/trace_event.h"
  34 #include "cc/base/switches.h"
  35 #include "content/child/appcache/appcache_dispatcher.h"
  36 #include "content/child/appcache/web_application_cache_host_impl.h"
  37 #include "content/child/child_shared_bitmap_manager.h"
  38 #include "content/child/npapi/webplugin_delegate_impl.h"
  39 #include "content/child/request_extra_data.h"
  40 #include "content/child/webmessageportchannel_impl.h"
  41 #include "content/common/content_constants_internal.h"
  42 #include "content/common/database_messages.h"
  43 #include "content/common/dom_storage/dom_storage_types.h"
  44 #include "content/common/drag_messages.h"
  45 #include "content/common/frame_messages.h"
  46 #include "content/common/frame_replication_state.h"
  47 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  48 #include "content/common/input_messages.h"
  49 #include "content/common/pepper_messages.h"
  50 #include "content/common/ssl_status_serialization.h"
  51 #include "content/common/view_messages.h"
  52 #include "content/public/common/bindings_policy.h"
  53 #include "content/public/common/content_client.h"
  54 #include "content/public/common/content_constants.h"
  55 #include "content/public/common/content_switches.h"
  56 #include "content/public/common/drop_data.h"
  57 #include "content/public/common/favicon_url.h"
  58 #include "content/public/common/file_chooser_file_info.h"
  59 #include "content/public/common/file_chooser_params.h"
  60 #include "content/public/common/page_state.h"
  61 #include "content/public/common/page_zoom.h"
  62 #include "content/public/common/ssl_status.h"
  63 #include "content/public/common/three_d_api_types.h"
  64 #include "content/public/common/url_constants.h"
  65 #include "content/public/common/url_utils.h"
  66 #include "content/public/common/web_preferences.h"
  67 #include "content/public/renderer/content_renderer_client.h"
  68 #include "content/public/renderer/document_state.h"
  69 #include "content/public/renderer/navigation_state.h"
  70 #include "content/public/renderer/render_view_observer.h"
  71 #include "content/public/renderer/render_view_visitor.h"
  72 #include "content/renderer/browser_plugin/browser_plugin.h"
  73 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  74 #include "content/renderer/devtools/devtools_agent.h"
  75 #include "content/renderer/disambiguation_popup_helper.h"
  76 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
  77 #include "content/renderer/drop_data_builder.h"
  78 #include "content/renderer/gpu/gpu_benchmarking_extension.h"
  79 #include "content/renderer/gpu/render_widget_compositor.h"
  80 #include "content/renderer/history_controller.h"
  81 #include "content/renderer/history_serialization.h"
  82 #include "content/renderer/idle_user_detector.h"
  83 #include "content/renderer/ime_event_guard.h"
  84 #include "content/renderer/input/input_handler_manager.h"
  85 #include "content/renderer/internal_document_state_data.h"
  86 #include "content/renderer/media/audio_device_factory.h"
  87 #include "content/renderer/media/video_capture_impl_manager.h"
  88 #include "content/renderer/memory_benchmarking_extension.h"
  89 #include "content/renderer/mhtml_generator.h"
  90 #include "content/renderer/net_info_helper.h"
  91 #include "content/renderer/render_frame_impl.h"
  92 #include "content/renderer/render_frame_proxy.h"
  93 #include "content/renderer/render_process.h"
  94 #include "content/renderer/render_thread_impl.h"
  95 #include "content/renderer/render_view_mouse_lock_dispatcher.h"
  96 #include "content/renderer/render_widget_fullscreen_pepper.h"
  97 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
  98 #include "content/renderer/resizing_mode_selector.h"
  99 #include "content/renderer/savable_resources.h"
 100 #include "content/renderer/skia_benchmarking_extension.h"
 101 #include "content/renderer/speech_recognition_dispatcher.h"
 102 #include "content/renderer/stats_collection_controller.h"
 103 #include "content/renderer/stats_collection_observer.h"
 104 #include "content/renderer/text_input_client_observer.h"
 105 #include "content/renderer/v8_value_converter_impl.h"
 106 #include "content/renderer/web_ui_extension.h"
 107 #include "content/renderer/web_ui_extension_data.h"
 108 #include "content/renderer/web_ui_mojo.h"
 109 #include "content/renderer/websharedworker_proxy.h"
 110 #include "media/audio/audio_output_device.h"
 111 #include "media/base/media_switches.h"
 112 #include "media/filters/audio_renderer_impl.h"
 113 #include "media/filters/gpu_video_accelerator_factories.h"
 114 #include "net/base/data_url.h"
 115 #include "net/base/escape.h"
 116 #include "net/base/net_errors.h"
 117 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 118 #include "net/http/http_util.h"
 119 #include "skia/ext/platform_canvas.h"
 120 #include "third_party/WebKit/public/platform/WebCString.h"
 121 #include "third_party/WebKit/public/platform/WebConnectionType.h"
 122 #include "third_party/WebKit/public/platform/WebDragData.h"
 123 #include "third_party/WebKit/public/platform/WebHTTPBody.h"
 124 #include "third_party/WebKit/public/platform/WebImage.h"
 125 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
 126 #include "third_party/WebKit/public/platform/WebPoint.h"
 127 #include "third_party/WebKit/public/platform/WebRect.h"
 128 #include "third_party/WebKit/public/platform/WebSize.h"
 129 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 130 #include "third_party/WebKit/public/platform/WebString.h"
 131 #include "third_party/WebKit/public/platform/WebURL.h"
 132 #include "third_party/WebKit/public/platform/WebURLError.h"
 133 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 134 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 135 #include "third_party/WebKit/public/platform/WebVector.h"
 136 #include "third_party/WebKit/public/web/WebAXObject.h"
 137 #include "third_party/WebKit/public/web/WebColorName.h"
 138 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 139 #include "third_party/WebKit/public/web/WebDOMEvent.h"
 140 #include "third_party/WebKit/public/web/WebDOMMessageEvent.h"
 141 #include "third_party/WebKit/public/web/WebDataSource.h"
 142 #include "third_party/WebKit/public/web/WebDateTimeChooserCompletion.h"
 143 #include "third_party/WebKit/public/web/WebDateTimeChooserParams.h"
 144 #include "third_party/WebKit/public/web/WebDevToolsAgent.h"
 145 #include "third_party/WebKit/public/web/WebDocument.h"
 146 #include "third_party/WebKit/public/web/WebElement.h"
 147 #include "third_party/WebKit/public/web/WebFileChooserParams.h"
 148 #include "third_party/WebKit/public/web/WebFindOptions.h"
 149 #include "third_party/WebKit/public/web/WebFormControlElement.h"
 150 #include "third_party/WebKit/public/web/WebFormElement.h"
 151 #include "third_party/WebKit/public/web/WebFrame.h"
 152 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 153 #include "third_party/WebKit/public/web/WebHistoryItem.h"
 154 #include "third_party/WebKit/public/web/WebHitTestResult.h"
 155 #include "third_party/WebKit/public/web/WebInputElement.h"
 156 #include "third_party/WebKit/public/web/WebInputEvent.h"
 157 #include "third_party/WebKit/public/web/WebKit.h"
 158 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 159 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
 160 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 161 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h"
 162 #include "third_party/WebKit/public/web/WebNodeList.h"
 163 #include "third_party/WebKit/public/web/WebPageSerializer.h"
 164 #include "third_party/WebKit/public/web/WebPlugin.h"
 165 #include "third_party/WebKit/public/web/WebPluginAction.h"
 166 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 167 #include "third_party/WebKit/public/web/WebPluginDocument.h"
 168 #include "third_party/WebKit/public/web/WebRange.h"
 169 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 170 #include "third_party/WebKit/public/web/WebScriptSource.h"
 171 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 172 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 173 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 174 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
 175 #include "third_party/WebKit/public/web/WebSettings.h"
 176 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 177 #include "third_party/WebKit/public/web/WebView.h"
 178 #include "third_party/WebKit/public/web/WebWindowFeatures.h"
 179 #include "third_party/WebKit/public/web/default/WebRenderTheme.h"
 180 #include "third_party/icu/source/common/unicode/uchar.h"
 181 #include "third_party/icu/source/common/unicode/uscript.h"
 182 #include "ui/base/clipboard/clipboard.h"
 183 #include "ui/base/ui_base_switches_util.h"
 184 #include "ui/events/latency_info.h"
 185 #include "ui/gfx/geometry/point.h"
 186 #include "ui/gfx/geometry/rect.h"
 187 #include "ui/gfx/geometry/rect_conversions.h"
 188 #include "ui/gfx/geometry/size_conversions.h"
 189 #include "ui/gfx/native_widget_types.h"
 190 #include "v8/include/v8.h"
 191
 192 #if defined(OS_ANDROID)
 193 #include <cpu-features.h>
 194
 195 #include "content/renderer/android/address_detector.h"
 196 #include "content/renderer/android/content_detector.h"
 197 #include "content/renderer/android/email_detector.h"
 198 #include "content/renderer/android/phone_number_detector.h"
 199 #include "net/android/network_library.h"
 200 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 201 #include "third_party/WebKit/public/platform/WebFloatRect.h"
 202 #include "ui/gfx/geometry/rect_f.h"
 203
 204 #elif defined(OS_WIN)
 205 // TODO(port): these files are currently Windows only because they concern:
 206 //   * theming
 207 #include "ui/native_theme/native_theme_win.h"
 208 #elif defined(USE_X11)
 209 #include "ui/native_theme/native_theme.h"
 210 #elif defined(OS_MACOSX)
 211 #include "skia/ext/skia_utils_mac.h"
 212 #endif
 213
 214 #if defined(ENABLE_PLUGINS)
 215 #include "content/renderer/npapi/webplugin_delegate_proxy.h"
 216 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 217 #include "content/renderer/pepper/pepper_plugin_registry.h"
 218 #endif
 219
 220 #if defined(ENABLE_WEBRTC)
 221 #include "content/renderer/media/rtc_peer_connection_handler.h"
 222 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 223 #endif
 224
 225 using blink::WebAXObject;
 226 using blink::WebApplicationCacheHost;
 227 using blink::WebApplicationCacheHostClient;
 228 using blink::WebCString;
 229 using blink::WebColor;
 230 using blink::WebColorName;
 231 using blink::WebConsoleMessage;
 232 using blink::WebData;
 233 using blink::WebDataSource;
 234 using blink::WebDocument;
 235 using blink::WebDOMEvent;
 236 using blink::WebDOMMessageEvent;
 237 using blink::WebDragData;
 238 using blink::WebDragOperation;
 239 using blink::WebDragOperationsMask;
 240 using blink::WebElement;
 241 using blink::WebFileChooserCompletion;
 242 using blink::WebFindOptions;
 243 using blink::WebFormControlElement;
 244 using blink::WebFormElement;
 245 using blink::WebFrame;
 246 using blink::WebGestureEvent;
 247 using blink::WebHistoryItem;
 248 using blink::WebHTTPBody;
 249 using blink::WebIconURL;
 250 using blink::WebImage;
 251 using blink::WebInputElement;
 252 using blink::WebInputEvent;
 253 using blink::WebLocalFrame;
 254 using blink::WebMediaPlayerAction;
 255 using blink::WebMouseEvent;
 256 using blink::WebNavigationPolicy;
 257 using blink::WebNavigationType;
 258 using blink::WebNode;
 259 using blink::WebPageSerializer;
 260 using blink::WebPageSerializerClient;
 261 using blink::WebPeerConnection00Handler;
 262 using blink::WebPeerConnection00HandlerClient;
 263 using blink::WebPeerConnectionHandler;
 264 using blink::WebPeerConnectionHandlerClient;
 265 using blink::WebPluginAction;
 266 using blink::WebPluginContainer;
 267 using blink::WebPluginDocument;
 268 using blink::WebPoint;
 269 using blink::WebRange;
 270 using blink::WebRect;
 271 using blink::WebReferrerPolicy;
 272 using blink::WebScriptSource;
 273 using blink::WebSearchableFormData;
 274 using blink::WebSecurityOrigin;
 275 using blink::WebSecurityPolicy;
 276 using blink::WebSerializedScriptValue;
 277 using blink::WebSettings;
 278 using blink::WebSize;
 279 using blink::WebStorageNamespace;
 280 using blink::WebStorageQuotaCallbacks;
 281 using blink::WebStorageQuotaError;
 282 using blink::WebStorageQuotaType;
 283 using blink::WebString;
 284 using blink::WebTextAffinity;
 285 using blink::WebTextDirection;
 286 using blink::WebTouchEvent;
 287 using blink::WebURL;
 288 using blink::WebURLError;
 289 using blink::WebURLRequest;
 290 using blink::WebURLResponse;
 291 using blink::WebUserGestureIndicator;
 292 using blink::WebVector;
 293 using blink::WebView;
 294 using blink::WebWidget;
 295 using blink::WebWindowFeatures;
 296 using blink::WebNetworkStateNotifier;
 297 using blink::WebRuntimeFeatures;
 298 using base::Time;
 299 using base::TimeDelta;
 300
 301 #if defined(OS_ANDROID)
 302 using blink::WebContentDetectionResult;
 303 using blink::WebFloatPoint;
 304 using blink::WebFloatRect;
 305 using blink::WebHitTestResult;
 306 #endif
 307
 308 namespace content {
 309
 310 //-----------------------------------------------------------------------------
 311
 312 typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
 313 static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
 314 typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap;
 315 static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map =
 316     LAZY_INSTANCE_INITIALIZER;
 317
 318 // Time, in seconds, we delay before sending content state changes (such as form
 319 // state and scroll position) to the browser. We delay sending changes to avoid
 320 // spamming the browser.
 321 // To avoid having tab/session restore require sending a message to get the
 322 // current content state during tab closing we use a shorter timeout for the
 323 // foreground renderer. This means there is a small window of time from which
 324 // content state is modified and not sent to session restore, but this is
 325 // better than having to wake up all renderers during shutdown.
 326 const int kDelaySecondsForContentStateSyncHidden = 5;
 327 const int kDelaySecondsForContentStateSync = 1;
 328
 329 #if defined(OS_ANDROID)
 330 // Delay between tapping in content and launching the associated android intent.
 331 // Used to allow users see what has been recognized as content.
 332 const size_t kContentIntentDelayMilliseconds = 700;
 333 #endif
 334
 335 static RenderViewImpl* (*g_create_render_view_impl)(const ViewMsg_New_Params&) =
 336     NULL;
 337
 338 // static
 339 bool RenderViewImpl::IsReload(FrameMsg_Navigate_Type::Value navigation_type) {
 340   return navigation_type == FrameMsg_Navigate_Type::RELOAD ||
 341          navigation_type == FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE ||
 342          navigation_type == FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
 343 }
 344
 345 // static
 346 Referrer RenderViewImpl::GetReferrerFromRequest(
 347     WebFrame* frame,
 348     const WebURLRequest& request) {
 349   return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
 350                   request.referrerPolicy());
 351 }
 352
 353 // static
 354 WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition(
 355     WebNavigationPolicy policy) {
 356   switch (policy) {
 357     case blink::WebNavigationPolicyIgnore:
 358       return IGNORE_ACTION;
 359     case blink::WebNavigationPolicyDownload:
 360       return SAVE_TO_DISK;
 361     case blink::WebNavigationPolicyCurrentTab:
 362       return CURRENT_TAB;
 363     case blink::WebNavigationPolicyNewBackgroundTab:
 364       return NEW_BACKGROUND_TAB;
 365     case blink::WebNavigationPolicyNewForegroundTab:
 366       return NEW_FOREGROUND_TAB;
 367     case blink::WebNavigationPolicyNewWindow:
 368       return NEW_WINDOW;
 369     case blink::WebNavigationPolicyNewPopup:
 370       return NEW_POPUP;
 371   default:
 372     NOTREACHED() << "Unexpected WebNavigationPolicy";
 373     return IGNORE_ACTION;
 374   }
 375 }
 376
 377 // Returns true if the device scale is high enough that losing subpixel
 378 // antialiasing won't have a noticeable effect on text quality.
 379 static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) {
 380 #if defined(OS_ANDROID)
 381   // On Android, we never have subpixel antialiasing.
 382   return true;
 383 #else
 384   return device_scale_factor > 1.5f;
 385 #endif
 386
 387 }
 388
 389 static bool PreferCompositingToLCDText(CompositorDependencies* compositor_deps,
 390                                        float device_scale_factor) {
 391   const base::CommandLine& command_line =
 392       *base::CommandLine::ForCurrentProcess();
 393   if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText))
 394     return false;
 395   if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText))
 396     return true;
 397   if (!compositor_deps->IsLcdTextEnabled())
 398     return true;
 399   return DeviceScaleEnsuresTextQuality(device_scale_factor);
 400 }
 401
 402 static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
 403   switch (type) {
 404     case blink::WebIconURL::TypeFavicon:
 405       return FaviconURL::FAVICON;
 406     case blink::WebIconURL::TypeTouch:
 407       return FaviconURL::TOUCH_ICON;
 408     case blink::WebIconURL::TypeTouchPrecomposed:
 409       return FaviconURL::TOUCH_PRECOMPOSED_ICON;
 410     case blink::WebIconURL::TypeInvalid:
 411       return FaviconURL::INVALID_ICON;
 412   }
 413   return FaviconURL::INVALID_ICON;
 414 }
 415
 416 static void ConvertToFaviconSizes(
 417     const blink::WebVector<blink::WebSize>& web_sizes,
 418     std::vector<gfx::Size>* sizes) {
 419   DCHECK(sizes->empty());
 420   sizes->reserve(web_sizes.size());
 421   for (size_t i = 0; i < web_sizes.size(); ++i)
 422     sizes->push_back(gfx::Size(web_sizes[i]));
 423 }
 424
 425 ///////////////////////////////////////////////////////////////////////////////
 426
 427 struct RenderViewImpl::PendingFileChooser {
 428   PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
 429       : params(p),
 430         completion(c) {
 431   }
 432   FileChooserParams params;
 433   WebFileChooserCompletion* completion;  // MAY BE NULL to skip callback.
 434 };
 435
 436 namespace {
 437
 438 class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
 439  public:
 440   explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
 441       : webwidget_(webwidget) {}
 442
 443   void OnLockMouseACK(bool succeeded) override {
 444     if (succeeded)
 445       webwidget_->didAcquirePointerLock();
 446     else
 447       webwidget_->didNotAcquirePointerLock();
 448   }
 449
 450   void OnMouseLockLost() override { webwidget_->didLosePointerLock(); }
 451
 452   bool HandleMouseLockedInputEvent(const blink::WebMouseEvent& event) override {
 453     // The WebWidget handles mouse lock in WebKit's handleInputEvent().
 454     return false;
 455   }
 456
 457  private:
 458   blink::WebWidget* webwidget_;
 459 };
 460
 461 bool TouchEnabled() {
 462 // Based on the definition of chrome::kEnableTouchIcon.
 463 #if defined(OS_ANDROID)
 464   return true;
 465 #else
 466   return false;
 467 #endif
 468 }
 469
 470 WebDragData DropDataToWebDragData(const DropData& drop_data) {
 471   std::vector<WebDragData::Item> item_list;
 472
 473   // These fields are currently unused when dragging into WebKit.
 474   DCHECK(drop_data.download_metadata.empty());
 475   DCHECK(drop_data.file_contents.empty());
 476   DCHECK(drop_data.file_description_filename.empty());
 477
 478   if (!drop_data.text.is_null()) {
 479     WebDragData::Item item;
 480     item.storageType = WebDragData::Item::StorageTypeString;
 481     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
 482     item.stringData = drop_data.text.string();
 483     item_list.push_back(item);
 484   }
 485
 486   // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
 487   // meaningful to write an empty URL to the clipboard?
 488   if (!drop_data.url.is_empty()) {
 489     WebDragData::Item item;
 490     item.storageType = WebDragData::Item::StorageTypeString;
 491     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
 492     item.stringData = WebString::fromUTF8(drop_data.url.spec());
 493     item.title = drop_data.url_title;
 494     item_list.push_back(item);
 495   }
 496
 497   if (!drop_data.html.is_null()) {
 498     WebDragData::Item item;
 499     item.storageType = WebDragData::Item::StorageTypeString;
 500     item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
 501     item.stringData = drop_data.html.string();
 502     item.baseURL = drop_data.html_base_url;
 503     item_list.push_back(item);
 504   }
 505
 506   for (std::vector<ui::FileInfo>::const_iterator it =
 507            drop_data.filenames.begin();
 508        it != drop_data.filenames.end();
 509        ++it) {
 510     WebDragData::Item item;
 511     item.storageType = WebDragData::Item::StorageTypeFilename;
 512     item.filenameData = it->path.AsUTF16Unsafe();
 513     item.displayNameData = it->display_name.AsUTF16Unsafe();
 514     item_list.push_back(item);
 515   }
 516
 517   for (std::vector<DropData::FileSystemFileInfo>::const_iterator it =
 518            drop_data.file_system_files.begin();
 519        it != drop_data.file_system_files.end();
 520        ++it) {
 521     WebDragData::Item item;
 522     item.storageType = WebDragData::Item::StorageTypeFileSystemFile;
 523     item.fileSystemURL = it->url;
 524     item.fileSystemFileSize = it->size;
 525     item_list.push_back(item);
 526   }
 527
 528   for (std::map<base::string16, base::string16>::const_iterator it =
 529            drop_data.custom_data.begin();
 530        it != drop_data.custom_data.end();
 531        ++it) {
 532     WebDragData::Item item;
 533     item.storageType = WebDragData::Item::StorageTypeString;
 534     item.stringType = it->first;
 535     item.stringData = it->second;
 536     item_list.push_back(item);
 537   }
 538
 539   WebDragData result;
 540   result.initialize();
 541   result.setItems(item_list);
 542   result.setFilesystemId(drop_data.filesystem_id);
 543   return result;
 544 }
 545
 546 typedef void (*SetFontFamilyWrapper)(blink::WebSettings*,
 547                                      const base::string16&,
 548                                      UScriptCode);
 549
 550 void SetStandardFontFamilyWrapper(WebSettings* settings,
 551                                   const base::string16& font,
 552                                   UScriptCode script) {
 553   settings->setStandardFontFamily(font, script);
 554 }
 555
 556 void SetFixedFontFamilyWrapper(WebSettings* settings,
 557                                const base::string16& font,
 558                                UScriptCode script) {
 559   settings->setFixedFontFamily(font, script);
 560 }
 561
 562 void SetSerifFontFamilyWrapper(WebSettings* settings,
 563                                const base::string16& font,
 564                                UScriptCode script) {
 565   settings->setSerifFontFamily(font, script);
 566 }
 567
 568 void SetSansSerifFontFamilyWrapper(WebSettings* settings,
 569                                    const base::string16& font,
 570                                    UScriptCode script) {
 571   settings->setSansSerifFontFamily(font, script);
 572 }
 573
 574 void SetCursiveFontFamilyWrapper(WebSettings* settings,
 575                                  const base::string16& font,
 576                                  UScriptCode script) {
 577   settings->setCursiveFontFamily(font, script);
 578 }
 579
 580 void SetFantasyFontFamilyWrapper(WebSettings* settings,
 581                                  const base::string16& font,
 582                                  UScriptCode script) {
 583   settings->setFantasyFontFamily(font, script);
 584 }
 585
 586 void SetPictographFontFamilyWrapper(WebSettings* settings,
 587                                     const base::string16& font,
 588                                     UScriptCode script) {
 589   settings->setPictographFontFamily(font, script);
 590 }
 591
 592 // If |scriptCode| is a member of a family of "similar" script codes, returns
 593 // the script code in that family that is used by WebKit for font selection
 594 // purposes.  For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are
 595 // considered equivalent for the purposes of font selection.  WebKit uses the
 596 // script code USCRIPT_KATAKANA_OR_HIRAGANA.  So, if |scriptCode| is
 597 // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA.  WebKit
 598 // uses different scripts than the ones in Chrome pref names because the version
 599 // of ICU included on certain ports does not have some of the newer scripts.  If
 600 // |scriptCode| is not a member of such a family, returns |scriptCode|.
 601 UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) {
 602   switch (scriptCode) {
 603     case USCRIPT_HIRAGANA:
 604     case USCRIPT_KATAKANA:
 605     case USCRIPT_JAPANESE:
 606       return USCRIPT_KATAKANA_OR_HIRAGANA;
 607     case USCRIPT_KOREAN:
 608       return USCRIPT_HANGUL;
 609     default:
 610       return scriptCode;
 611   }
 612 }
 613
 614 void ApplyFontsFromMap(const ScriptFontFamilyMap& map,
 615                        SetFontFamilyWrapper setter,
 616                        WebSettings* settings) {
 617   for (ScriptFontFamilyMap::const_iterator it = map.begin(); it != map.end();
 618        ++it) {
 619     int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str());
 620     if (script >= 0 && script < USCRIPT_CODE_LIMIT) {
 621       UScriptCode code = static_cast<UScriptCode>(script);
 622       (*setter)(settings, it->second, GetScriptForWebSettings(code));
 623     }
 624   }
 625 }
 626
 627 }  // namespace
 628
 629 RenderViewImpl::RenderViewImpl(const ViewMsg_New_Params& params)
 630     : RenderWidget(blink::WebPopupTypeNone,
 631                    params.initial_size.screen_info,
 632                    params.swapped_out,
 633                    params.hidden,
 634                    params.never_visible),
 635       webkit_preferences_(params.web_preferences),
 636       send_content_state_immediately_(false),
 637       enabled_bindings_(0),
 638       send_preferred_size_changes_(false),
 639       navigation_gesture_(NavigationGestureUnknown),
 640       opened_by_user_gesture_(true),
 641       opener_suppressed_(false),
 642       suppress_dialogs_until_swap_out_(false),
 643       page_id_(-1),
 644       next_page_id_(params.next_page_id),
 645       history_list_offset_(-1),
 646       history_list_length_(0),
 647       frames_in_progress_(0),
 648       target_url_status_(TARGET_NONE),
 649       uses_temporary_zoom_level_(false),
 650 #if defined(OS_ANDROID)
 651       top_controls_constraints_(cc::BOTH),
 652 #endif
 653       has_scrolled_focused_editable_node_into_rect_(false),
 654       speech_recognition_dispatcher_(NULL),
 655       devtools_agent_(NULL),
 656       mouse_lock_dispatcher_(NULL),
 657 #if defined(OS_ANDROID)
 658       expected_content_intent_id_(0),
 659 #endif
 660 #if defined(OS_WIN)
 661       focused_plugin_id_(-1),
 662 #endif
 663 #if defined(ENABLE_PLUGINS)
 664       plugin_find_handler_(NULL),
 665       focused_pepper_plugin_(NULL),
 666       pepper_last_mouse_event_target_(NULL),
 667 #endif
 668       enumeration_completion_id_(0),
 669       session_storage_namespace_id_(params.session_storage_namespace_id),
 670       next_snapshot_id_(0) {
 671 }
 672
 673 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
 674                                 CompositorDependencies* compositor_deps,
 675                                 bool was_created_by_renderer) {
 676   routing_id_ = params.view_id;
 677   surface_id_ = params.surface_id;
 678   if (params.opener_route_id != MSG_ROUTING_NONE && was_created_by_renderer)
 679     opener_id_ = params.opener_route_id;
 680
 681   // Ensure we start with a valid next_page_id_ from the browser.
 682   DCHECK_GE(next_page_id_, 0);
 683
 684   main_render_frame_.reset(RenderFrameImpl::Create(
 685       this, params.main_frame_routing_id));
 686   // The main frame WebLocalFrame object is closed by
 687   // RenderFrameImpl::frameDetached().
 688   WebLocalFrame* web_frame = WebLocalFrame::create(main_render_frame_.get());
 689   main_render_frame_->SetWebFrame(web_frame);
 690
 691   compositor_deps_ = compositor_deps;
 692   webwidget_ = WebView::create(this);
 693   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 694
 695   const base::CommandLine& command_line =
 696       *base::CommandLine::ForCurrentProcess();
 697
 698   if (command_line.HasSwitch(switches::kStatsCollectionController))
 699     stats_collection_observer_.reset(new StatsCollectionObserver(this));
 700
 701 #if defined(OS_ANDROID)
 702   const std::string region_code =
 703       command_line.HasSwitch(switches::kNetworkCountryIso)
 704           ? command_line.GetSwitchValueASCII(switches::kNetworkCountryIso)
 705           : net::android::GetTelephonyNetworkCountryIso();
 706   content_detectors_.push_back(linked_ptr<ContentDetector>(
 707       new AddressDetector()));
 708   if (!region_code.empty()) {
 709     content_detectors_.push_back(linked_ptr<ContentDetector>(
 710         new PhoneNumberDetector(region_code)));
 711   }
 712   content_detectors_.push_back(linked_ptr<ContentDetector>(
 713       new EmailDetector()));
 714 #endif
 715
 716   RenderThread::Get()->AddRoute(routing_id_, this);
 717   // Take a reference on behalf of the RenderThread.  This will be balanced
 718   // when we receive ViewMsg_ClosePage.
 719   AddRef();
 720   if (RenderThreadImpl::current()) {
 721     RenderThreadImpl::current()->WidgetCreated();
 722     if (is_hidden_)
 723       RenderThreadImpl::current()->WidgetHidden();
 724   }
 725
 726   // If this is a popup, we must wait for the CreatingNew_ACK message before
 727   // completing initialization.  Otherwise, we can finish it now.
 728   if (opener_id_ == MSG_ROUTING_NONE) {
 729     did_show_ = true;
 730     CompleteInit();
 731   }
 732
 733   g_view_map.Get().insert(std::make_pair(webview(), this));
 734   g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
 735   webview()->setDeviceScaleFactor(device_scale_factor_);
 736   webview()->settings()->setPreferCompositingToLCDTextEnabled(
 737       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 738   webview()->settings()->setThreadedScrollingEnabled(
 739       !command_line.HasSwitch(switches::kDisableThreadedScrolling));
 740   webview()->settings()->setRootLayerScrolls(
 741       command_line.HasSwitch(switches::kRootLayerScrolls));
 742
 743   ApplyWebPreferences(webkit_preferences_, webview());
 744
 745   webview()->settings()->setAllowConnectingInsecureWebSocket(
 746       command_line.HasSwitch(switches::kAllowInsecureWebSocketFromHttpsOrigin));
 747
 748   RenderFrameProxy* proxy = NULL;
 749   if (params.proxy_routing_id != MSG_ROUTING_NONE) {
 750     CHECK(params.swapped_out);
 751     proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
 752         main_render_frame_.get(), params.proxy_routing_id);
 753     main_render_frame_->set_render_frame_proxy(proxy);
 754   }
 755
 756   // In --site-per-process, just use the WebRemoteFrame as the main frame.
 757   if (command_line.HasSwitch(switches::kSitePerProcess) && proxy) {
 758     webview()->setMainFrame(proxy->web_frame());
 759     // Initialize the WebRemoteFrame with information replicated from the
 760     // browser process.
 761     proxy->SetReplicatedState(params.replicated_frame_state);
 762   } else {
 763     webview()->setMainFrame(main_render_frame_->GetWebFrame());
 764   }
 765   main_render_frame_->Initialize();
 766
 767   if (switches::IsTouchDragDropEnabled())
 768     webview()->settings()->setTouchDragDropEnabled(true);
 769
 770   if (switches::IsTouchEditingEnabled())
 771     webview()->settings()->setTouchEditingEnabled(true);
 772
 773   if (!params.frame_name.empty())
 774     webview()->mainFrame()->setName(params.frame_name);
 775
 776   // TODO(davidben): Move this state from Blink into content.
 777   if (params.window_was_created_with_opener)
 778     webview()->setOpenedByDOM();
 779
 780   OnSetRendererPrefs(params.renderer_preferences);
 781
 782   if (!params.enable_auto_resize) {
 783     OnResize(params.initial_size);
 784   } else {
 785     OnEnableAutoResize(params.min_size, params.max_size);
 786   }
 787
 788   new MHTMLGenerator(this);
 789 #if defined(OS_MACOSX)
 790   new TextInputClientObserver(this);
 791 #endif  // defined(OS_MACOSX)
 792
 793   // The next group of objects all implement RenderViewObserver, so are deleted
 794   // along with the RenderView automatically.
 795   devtools_agent_ = new DevToolsAgent(main_render_frame_.get());
 796   if (RenderWidgetCompositor* rwc = compositor()) {
 797     webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId());
 798   }
 799   mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
 800
 801   history_controller_.reset(new HistoryController(this));
 802
 803   new IdleUserDetector(this);
 804
 805   if (command_line.HasSwitch(switches::kDomAutomationController))
 806     enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
 807   if (command_line.HasSwitch(switches::kStatsCollectionController))
 808     enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
 809
 810   GetContentClient()->renderer()->RenderViewCreated(this);
 811
 812   // If we have an opener_id but we weren't created by a renderer, then
 813   // it's the browser asking us to set our opener to another RenderView.
 814   if (params.opener_route_id != MSG_ROUTING_NONE && !was_created_by_renderer) {
 815     RenderViewImpl* opener_view = FromRoutingID(params.opener_route_id);
 816     if (opener_view)
 817       webview()->mainFrame()->setOpener(opener_view->webview()->mainFrame());
 818   }
 819
 820   // If we are initially swapped out, navigate to kSwappedOutURL.
 821   // This ensures we are in a unique origin that others cannot script.
 822   if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame())
 823     main_render_frame_->NavigateToSwappedOutURL();
 824 }
 825
 826 RenderViewImpl::~RenderViewImpl() {
 827   for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
 828        it != disambiguation_bitmaps_.end();
 829        ++it)
 830     delete it->second;
 831   base::debug::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_);
 832
 833   // If file chooser is still waiting for answer, dispatch empty answer.
 834   while (!file_chooser_completions_.empty()) {
 835     if (file_chooser_completions_.front()->completion) {
 836       file_chooser_completions_.front()->completion->didChooseFile(
 837           WebVector<WebString>());
 838     }
 839     file_chooser_completions_.pop_front();
 840   }
 841
 842 #if defined(OS_ANDROID)
 843   // The date/time picker client is both a scoped_ptr member of this class and
 844   // a RenderViewObserver. Reset it to prevent double deletion.
 845   date_time_picker_client_.reset();
 846 #endif
 847
 848 #ifndef NDEBUG
 849   // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
 850   ViewMap* views = g_view_map.Pointer();
 851   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
 852     DCHECK_NE(this, it->second) << "Failed to call Close?";
 853   RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
 854   for (RoutingIDViewMap::iterator it = routing_id_views->begin();
 855        it != routing_id_views->end(); ++it)
 856     DCHECK_NE(this, it->second) << "Failed to call Close?";
 857 #endif
 858
 859   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
 860   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
 861 }
 862
 863 /*static*/
 864 RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
 865   ViewMap* views = g_view_map.Pointer();
 866   ViewMap::iterator it = views->find(webview);
 867   return it == views->end() ? NULL : it->second;
 868 }
 869
 870 /*static*/
 871 RenderView* RenderView::FromWebView(blink::WebView* webview) {
 872   return RenderViewImpl::FromWebView(webview);
 873 }
 874
 875 /*static*/
 876 RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
 877   RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
 878   RoutingIDViewMap::iterator it = views->find(routing_id);
 879   return it == views->end() ? NULL : it->second;
 880 }
 881
 882 /*static*/
 883 RenderView* RenderView::FromRoutingID(int routing_id) {
 884   return RenderViewImpl::FromRoutingID(routing_id);
 885 }
 886
 887 /* static */
 888 size_t RenderViewImpl::GetRenderViewCount() {
 889   return g_view_map.Get().size();
 890 }
 891
 892 /*static*/
 893 void RenderView::ForEach(RenderViewVisitor* visitor) {
 894   ViewMap* views = g_view_map.Pointer();
 895   for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
 896     if (!visitor->Visit(it->second))
 897       return;
 898   }
 899 }
 900
 901 /*static*/
 902 void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
 903                                      WebView* web_view) {
 904   WebSettings* settings = web_view->settings();
 905   ApplyFontsFromMap(prefs.standard_font_family_map,
 906                     SetStandardFontFamilyWrapper, settings);
 907   ApplyFontsFromMap(prefs.fixed_font_family_map,
 908                     SetFixedFontFamilyWrapper, settings);
 909   ApplyFontsFromMap(prefs.serif_font_family_map,
 910                     SetSerifFontFamilyWrapper, settings);
 911   ApplyFontsFromMap(prefs.sans_serif_font_family_map,
 912                     SetSansSerifFontFamilyWrapper, settings);
 913   ApplyFontsFromMap(prefs.cursive_font_family_map,
 914                     SetCursiveFontFamilyWrapper, settings);
 915   ApplyFontsFromMap(prefs.fantasy_font_family_map,
 916                     SetFantasyFontFamilyWrapper, settings);
 917   ApplyFontsFromMap(prefs.pictograph_font_family_map,
 918                     SetPictographFontFamilyWrapper, settings);
 919   settings->setDefaultFontSize(prefs.default_font_size);
 920   settings->setDefaultFixedFontSize(prefs.default_fixed_font_size);
 921   settings->setMinimumFontSize(prefs.minimum_font_size);
 922   settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size);
 923   settings->setDefaultTextEncodingName(
 924       base::ASCIIToUTF16(prefs.default_encoding));
 925   settings->setJavaScriptEnabled(prefs.javascript_enabled);
 926   settings->setWebSecurityEnabled(prefs.web_security_enabled);
 927   settings->setJavaScriptCanOpenWindowsAutomatically(
 928       prefs.javascript_can_open_windows_automatically);
 929   settings->setLoadsImagesAutomatically(prefs.loads_images_automatically);
 930   settings->setImagesEnabled(prefs.images_enabled);
 931   settings->setPluginsEnabled(prefs.plugins_enabled);
 932   settings->setDOMPasteAllowed(prefs.dom_paste_enabled);
 933   settings->setShrinksStandaloneImagesToFit(
 934       prefs.shrinks_standalone_images_to_fit);
 935   settings->setUsesEncodingDetector(prefs.uses_universal_detector);
 936   settings->setTextAreasAreResizable(prefs.text_areas_are_resizable);
 937   settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows);
 938   settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled);
 939   settings->setJavaScriptCanAccessClipboard(
 940       prefs.javascript_can_access_clipboard);
 941   WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled);
 942   WebRuntimeFeatures::enableSlimmingPaint(prefs.slimming_paint_enabled);
 943   settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
 944   settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
 945   settings->setLocalStorageEnabled(prefs.local_storage_enabled);
 946   settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled);
 947   WebRuntimeFeatures::enableDatabase(prefs.databases_enabled);
 948   settings->setOfflineWebApplicationCacheEnabled(
 949       prefs.application_cache_enabled);
 950   settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled);
 951   settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled);
 952   settings->setCookieEnabled(prefs.cookie_enabled);
 953   settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop);
 954
 955   settings->setJavaEnabled(prefs.java_enabled);
 956
 957   // By default, allow_universal_access_from_file_urls is set to false and thus
 958   // we mitigate attacks from local HTML files by not granting file:// URLs
 959   // universal access. Only test shell will enable this.
 960   settings->setAllowUniversalAccessFromFileURLs(
 961       prefs.allow_universal_access_from_file_urls);
 962   settings->setAllowFileAccessFromFileURLs(
 963       prefs.allow_file_access_from_file_urls);
 964
 965   // Enable the web audio API if requested on the command line.
 966   settings->setWebAudioEnabled(prefs.webaudio_enabled);
 967
 968   // Enable experimental WebGL support if requested on command line
 969   // and support is compiled in.
 970   settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
 971
 972   // Disable GL multisampling if requested on command line.
 973   settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled);
 974
 975   // Enable WebGL errors to the JS console if requested.
 976   settings->setWebGLErrorsToConsoleEnabled(
 977       prefs.webgl_errors_to_console_enabled);
 978
 979   // Uses the mock theme engine for scrollbars.
 980   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
 981
 982   // Enable gpu-accelerated 2d canvas if requested on the command line.
 983   settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
 984
 985   settings->setMinimumAccelerated2dCanvasSize(
 986       prefs.minimum_accelerated_2d_canvas_size);
 987
 988   // Disable antialiasing for 2d canvas if requested on the command line.
 989   settings->setAntialiased2dCanvasEnabled(
 990       !prefs.antialiased_2d_canvas_disabled);
 991
 992   // Enabled antialiasing of clips for 2d canvas if requested on the command
 993   // line.
 994   settings->setAntialiasedClips2dCanvasEnabled(
 995       prefs.antialiased_clips_2d_canvas_enabled);
 996
 997   // Set MSAA sample count for 2d canvas if requested on the command line (or
 998   // default value if not).
 999   settings->setAccelerated2dCanvasMSAASampleCount(
1000       prefs.accelerated_2d_canvas_msaa_sample_count);
1001
1002   WebRuntimeFeatures::enableTextBlobs(prefs.text_blobs_enabled);
1003
1004   settings->setAsynchronousSpellCheckingEnabled(
1005       prefs.asynchronous_spell_checking_enabled);
1006   settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled);
1007
1008   // Tabs to link is not part of the settings. WebCore calls
1009   // ChromeClient::tabsToLinks which is part of the glue code.
1010   web_view->setTabsToLinks(prefs.tabs_to_links);
1011
1012   settings->setAllowDisplayOfInsecureContent(
1013       prefs.allow_displaying_insecure_content);
1014   settings->setAllowRunningOfInsecureContent(
1015       prefs.allow_running_insecure_content);
1016   settings->setDisableReadingFromCanvas(prefs.disable_reading_from_canvas);
1017   settings->setStrictMixedContentChecking(prefs.strict_mixed_content_checking);
1018   settings->setStrictPowerfulFeatureRestrictions(
1019       prefs.strict_powerful_feature_restrictions);
1020   settings->setPasswordEchoEnabled(prefs.password_echo_enabled);
1021   settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds);
1022   settings->setShouldClearDocumentBackground(
1023       prefs.should_clear_document_background);
1024   settings->setEnableScrollAnimator(prefs.enable_scroll_animator);
1025
1026   settings->setRegionBasedColumnsEnabled(prefs.region_based_columns_enabled);
1027
1028   WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
1029   settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points);
1030   settings->setAvailablePointerTypes(prefs.available_pointer_types);
1031   settings->setPrimaryPointerType(
1032       static_cast<WebSettings::PointerType>(prefs.primary_pointer_type));
1033   settings->setAvailableHoverTypes(prefs.available_hover_types);
1034   settings->setPrimaryHoverType(
1035       static_cast<WebSettings::HoverType>(prefs.primary_hover_type));
1036   settings->setDeviceSupportsTouch(prefs.device_supports_touch);
1037   settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
1038   settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
1039
1040   settings->setDeferredImageDecodingEnabled(
1041       prefs.deferred_image_decoding_enabled);
1042   WebRuntimeFeatures::enableImageColorProfiles(
1043       prefs.image_color_profiles_enabled);
1044   settings->setShouldRespectImageOrientation(
1045       prefs.should_respect_image_orientation);
1046
1047   settings->setUnsafePluginPastingEnabled(false);
1048   settings->setEditingBehavior(
1049       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
1050
1051   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
1052
1053   settings->setViewportEnabled(prefs.viewport_enabled);
1054   settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
1055   settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
1056   settings->setMainFrameResizesAreOrientationChanges(
1057       prefs.main_frame_resizes_are_orientation_changes);
1058
1059   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
1060
1061   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
1062
1063   settings->setSelectionIncludesAltImageText(true);
1064
1065   settings->setV8CacheOptions(
1066       static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
1067
1068   settings->setV8ScriptStreamingEnabled(prefs.v8_script_streaming_enabled);
1069   settings->setV8ScriptStreamingMode(
1070       static_cast<WebSettings::V8ScriptStreamingMode>(
1071           prefs.v8_script_streaming_mode));
1072
1073   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
1074   web_view->setDefaultPageScaleLimits(
1075       prefs.default_minimum_page_scale_factor,
1076       prefs.default_maximum_page_scale_factor);
1077
1078 #if defined(OS_ANDROID)
1079   settings->setAllowCustomScrollbarInMainFrame(false);
1080   settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
1081   settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
1082   settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
1083   settings->setFullscreenSupported(prefs.fullscreen_supported);
1084   web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
1085   settings->setAutoZoomFocusedNodeToLegibleScale(true);
1086   settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
1087   settings->setMediaControlsOverlayPlayButtonEnabled(true);
1088   settings->setMediaPlaybackRequiresUserGesture(
1089       prefs.user_gesture_required_for_media_playback);
1090   settings->setDefaultVideoPosterURL(
1091         base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
1092   settings->setSupportDeprecatedTargetDensityDPI(
1093       prefs.support_deprecated_target_density_dpi);
1094   settings->setUseLegacyBackgroundSizeShorthandBehavior(
1095       prefs.use_legacy_background_size_shorthand_behavior);
1096   settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
1097   settings->setUseWideViewport(prefs.use_wide_viewport);
1098   settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
1099   settings->setViewportMetaLayoutSizeQuirk(
1100       prefs.viewport_meta_layout_size_quirk);
1101   settings->setViewportMetaMergeContentQuirk(
1102       prefs.viewport_meta_merge_content_quirk);
1103   settings->setViewportMetaNonUserScalableQuirk(
1104       prefs.viewport_meta_non_user_scalable_quirk);
1105   settings->setViewportMetaZeroValuesQuirk(
1106       prefs.viewport_meta_zero_values_quirk);
1107   settings->setClobberUserAgentInitialScaleQuirk(
1108       prefs.clobber_user_agent_initial_scale_quirk);
1109   settings->setIgnoreMainFrameOverflowHiddenQuirk(
1110       prefs.ignore_main_frame_overflow_hidden_quirk);
1111   settings->setReportScreenSizeInPhysicalPixelsQuirk(
1112       prefs.report_screen_size_in_physical_pixels_quirk);
1113
1114   bool record_full_layer =
1115       RenderViewImpl::FromWebView(web_view)
1116           ? RenderViewImpl::FromWebView(web_view)->DoesRecordFullLayer()
1117           : false;
1118   settings->setMainFrameClipsContent(!record_full_layer);
1119
1120   settings->setShrinksStandaloneImagesToFit(false);
1121   settings->setShrinksViewportContentToFit(true);
1122 #endif
1123
1124   WebNetworkStateNotifier::setOnLine(prefs.is_online);
1125   WebNetworkStateNotifier::setWebConnectionType(
1126       NetConnectionTypeToWebConnectionType(prefs.connection_type));
1127   settings->setPinchVirtualViewportEnabled(
1128       prefs.pinch_virtual_viewport_enabled);
1129
1130   settings->setPinchOverlayScrollbarThickness(
1131       prefs.pinch_overlay_scrollbar_thickness);
1132   settings->setRubberBandingOnCompositorThread(
1133       prefs.rubber_banding_on_compositor_thread);
1134   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
1135
1136 #if defined(OS_WIN)
1137   settings->setShowContextMenuOnMouseUp(true);
1138 #endif
1139 }
1140
1141 /*static*/
1142 RenderViewImpl* RenderViewImpl::Create(const ViewMsg_New_Params& params,
1143                                        CompositorDependencies* compositor_deps,
1144                                        bool was_created_by_renderer) {
1145   DCHECK(params.view_id != MSG_ROUTING_NONE);
1146   RenderViewImpl* render_view = NULL;
1147   if (g_create_render_view_impl)
1148     render_view = g_create_render_view_impl(params);
1149   else
1150     render_view = new RenderViewImpl(params);
1151
1152   render_view->Initialize(params, compositor_deps, was_created_by_renderer);
1153   return render_view;
1154 }
1155
1156 // static
1157 void RenderViewImpl::InstallCreateHook(
1158     RenderViewImpl* (*create_render_view_impl)(const ViewMsg_New_Params&)) {
1159   CHECK(!g_create_render_view_impl);
1160   g_create_render_view_impl = create_render_view_impl;
1161 }
1162
1163 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
1164   observers_.AddObserver(observer);
1165 }
1166
1167 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
1168   observer->RenderViewGone();
1169   observers_.RemoveObserver(observer);
1170 }
1171
1172 blink::WebView* RenderViewImpl::webview() const {
1173   return static_cast<blink::WebView*>(webwidget());
1174 }
1175
1176 #if defined(ENABLE_PLUGINS)
1177 void RenderViewImpl::PepperInstanceCreated(
1178     PepperPluginInstanceImpl* instance) {
1179   active_pepper_instances_.insert(instance);
1180 }
1181
1182 void RenderViewImpl::PepperInstanceDeleted(
1183     PepperPluginInstanceImpl* instance) {
1184   active_pepper_instances_.erase(instance);
1185
1186   if (pepper_last_mouse_event_target_ == instance)
1187     pepper_last_mouse_event_target_ = NULL;
1188   if (focused_pepper_plugin_ == instance)
1189     PepperFocusChanged(instance, false);
1190 }
1191
1192 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1193                                         bool focused) {
1194   if (focused)
1195     focused_pepper_plugin_ = instance;
1196   else if (focused_pepper_plugin_ == instance)
1197     focused_pepper_plugin_ = NULL;
1198
1199   UpdateTextInputType();
1200   UpdateSelectionBounds();
1201 }
1202
1203 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1204   plugin_delegates_.insert(delegate);
1205   // If the renderer is visible, set initial visibility and focus state.
1206   if (!is_hidden()) {
1207 #if defined(OS_MACOSX)
1208     delegate->SetContainerVisibility(true);
1209     if (webview() && webview()->isActive())
1210       delegate->SetWindowFocus(true);
1211 #endif
1212   }
1213   // Plugins start assuming the content has focus (so that they work in
1214   // environments where RenderView isn't hosting them), so we always have to
1215   // set the initial state. See webplugin_delegate_impl.h for details.
1216   delegate->SetContentAreaFocus(has_focus());
1217 }
1218
1219 void RenderViewImpl::UnregisterPluginDelegate(
1220     WebPluginDelegateProxy* delegate) {
1221   plugin_delegates_.erase(delegate);
1222 }
1223
1224 #if defined(OS_WIN)
1225 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1226   if (focused)
1227     focused_plugin_id_ = plugin_id;
1228   else
1229     focused_plugin_id_ = -1;
1230 }
1231 #endif
1232
1233 #if defined(OS_MACOSX)
1234 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1235   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1236 }
1237
1238 void RenderViewImpl::OnGetRenderedText() {
1239   if (!webview())
1240     return;
1241   // Get rendered text from WebLocalFrame.
1242   // TODO: Currently IPC truncates any data that has a
1243   // size > kMaximumMessageSize. May be split the text into smaller chunks and
1244   // send back using multiple IPC. See http://crbug.com/393444.
1245   static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
1246   std::string text = webview()->mainFrame()->contentAsText(
1247       kMaximumMessageSize).utf8();
1248
1249   Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
1250 }
1251
1252 void RenderViewImpl::StartPluginIme() {
1253   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1254   // This message can be sent during event-handling, and needs to be delivered
1255   // within that context.
1256   msg->set_unblock(true);
1257   Send(msg);
1258 }
1259 #endif  // defined(OS_MACOSX)
1260
1261 #endif  // ENABLE_PLUGINS
1262
1263 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1264     const blink::WebActiveWheelFlingParameters& params) {
1265   if (webview())
1266     webview()->transferActiveWheelFlingAnimation(params);
1267 }
1268
1269 bool RenderViewImpl::HasIMETextFocus() {
1270   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1271 }
1272
1273 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1274   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1275   if (main_frame && main_frame->isWebLocalFrame())
1276     GetContentClient()->SetActiveURL(main_frame->document().url());
1277
1278   ObserverListBase<RenderViewObserver>::Iterator it(observers_);
1279   RenderViewObserver* observer;
1280   while ((observer = it.GetNext()) != NULL)
1281     if (observer->OnMessageReceived(message))
1282       return true;
1283
1284   bool handled = true;
1285   IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
1286     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1287     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1288     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1289                         OnScrollFocusedEditableNodeIntoRect)
1290     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1291                         OnSetEditCommandsForNextKeyEvent)
1292     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1293     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
1294     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1295     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1296     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1297     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1298                         OnSetZoomLevelForLoadingURL)
1299     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
1300                         OnSetZoomLevelForView)
1301     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1302     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1303                         OnResetPageEncodingToDefault)
1304     IPC_MESSAGE_HANDLER(ViewMsg_PostMessageEvent, OnPostMessageEvent)
1305     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1306     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1307     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1308     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1309     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1310     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1311                         OnDragSourceSystemDragEnded)
1312     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1313     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1314     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1315     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1316     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1317                         OnEnumerateDirectoryResponse)
1318     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1319     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1320                         OnSuppressDialogsUntilSwapOut)
1321     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1322     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1323     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1324     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1325     IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
1326     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1327                         OnEnablePreferredSizeChangedMode)
1328     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1329     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1330     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1331                         OnDisableScrollbarsForSmallWindows)
1332     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1333     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1334     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1335     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1336     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1337                         OnGetAllSavableResourceLinksForCurrentPage)
1338     IPC_MESSAGE_HANDLER(
1339         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1340         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1341     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1342     // TODO(viettrungluu): Move to a separate message filter.
1343     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1344                         OnSetHistoryOffsetAndLength)
1345     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1346     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1347                         OnReleaseDisambiguationPopupBitmap)
1348     IPC_MESSAGE_HANDLER(ViewMsg_WindowSnapshotCompleted,
1349                         OnWindowSnapshotCompleted)
1350     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1351     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1352 #if defined(OS_ANDROID)
1353     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1354                         OnActivateNearestFindResult)
1355     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1356     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1357                         OnUpdateTopControlsState)
1358     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1359 #elif defined(OS_MACOSX)
1360     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1361                         OnGetRenderedText)
1362     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1363                         OnPluginImeCompositionCompleted)
1364     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1365     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1366     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1367 #endif
1368     // Adding a new message? Add platform independent ones first, then put the
1369     // platform specific ones at the end.
1370
1371     // Have the super handle all other messages.
1372     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1373   IPC_END_MESSAGE_MAP()
1374
1375   return handled;
1376 }
1377
1378 void RenderViewImpl::OnSelectWordAroundCaret() {
1379   if (!webview())
1380     return;
1381
1382   handling_input_event_ = true;
1383   webview()->focusedFrame()->selectWordAroundCaret();
1384   handling_input_event_ = false;
1385 }
1386
1387 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1388   webview()->copyImageAt(WebPoint(x, y));
1389 }
1390
1391 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1392   webview()->saveImageAt(WebPoint(x, y));
1393 }
1394
1395 void RenderViewImpl::OnUpdateTargetURLAck() {
1396   // Check if there is a targeturl waiting to be sent.
1397   if (target_url_status_ == TARGET_PENDING)
1398     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1399
1400   target_url_status_ = TARGET_NONE;
1401 }
1402
1403 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1404     const std::string& value) {
1405   if (!webview() || !webview()->focusedFrame())
1406     return;
1407
1408   webview()->focusedFrame()->executeCommand(
1409       WebString::fromUTF8(name), WebString::fromUTF8(value));
1410 }
1411
1412 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1413   if (!webview())
1414     return;
1415
1416   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1417
1418   webview()->focusedFrame()->moveCaretSelection(point);
1419 }
1420
1421 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1422     const gfx::Rect& rect) {
1423   if (has_scrolled_focused_editable_node_into_rect_ &&
1424       rect == rect_for_scrolled_focused_editable_node_) {
1425     FocusChangeComplete();
1426     return;
1427   }
1428
1429   blink::WebElement element = GetFocusedElement();
1430   bool will_animate = false;
1431   if (!element.isNull() && IsEditableNode(element)) {
1432     rect_for_scrolled_focused_editable_node_ = rect;
1433     has_scrolled_focused_editable_node_into_rect_ = true;
1434     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1435   }
1436
1437   if (!will_animate)
1438     FocusChangeComplete();
1439 }
1440
1441 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1442     const EditCommands& edit_commands) {
1443   edit_commands_ = edit_commands;
1444 }
1445
1446 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1447                                                  int history_length) {
1448   DCHECK_GE(history_offset, -1);
1449   DCHECK_GE(history_length, 0);
1450
1451   history_list_offset_ = history_offset;
1452   history_list_length_ = history_length;
1453 }
1454
1455 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1456   if (!webview())
1457     return;
1458   webview()->setInitialFocus(reverse);
1459 }
1460
1461 #if defined(OS_MACOSX)
1462 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1463   if (!webview())
1464     return;
1465   if (in_live_resize)
1466     webview()->willStartLiveResize();
1467   else
1468     webview()->willEndLiveResize();
1469 }
1470 #endif
1471
1472 ///////////////////////////////////////////////////////////////////////////////
1473
1474 // Sends the current history state to the browser so it will be saved before we
1475 // navigate to a new page.
1476 void RenderViewImpl::UpdateSessionHistory(WebFrame* frame) {
1477   // If we have a valid page ID at this point, then it corresponds to the page
1478   // we are navigating away from.  Otherwise, this is the first navigation, so
1479   // there is no past session history to record.
1480   if (page_id_ == -1)
1481     return;
1482   SendUpdateState(history_controller_->GetCurrentEntry());
1483 }
1484
1485 void RenderViewImpl::SendUpdateState(HistoryEntry* entry) {
1486   if (!entry)
1487     return;
1488
1489   // Don't send state updates for kSwappedOutURL.
1490   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1491     return;
1492
1493   Send(new ViewHostMsg_UpdateState(
1494       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1495 }
1496
1497 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1498   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1499   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1500   // it is particularly important that we do not call willEnterModalLoop as
1501   // that would defer resource loads for the dialog itself.
1502   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1503     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1504
1505   message->EnableMessagePumping();  // Runs a nested message loop.
1506   return Send(message);
1507 }
1508
1509 void RenderViewImpl::GetWindowSnapshot(const WindowSnapshotCallback& callback) {
1510   int id = next_snapshot_id_++;
1511   pending_snapshots_.insert(std::make_pair(id, callback));
1512   ui::LatencyInfo latency_info;
1513   latency_info.AddLatencyNumber(ui::WINDOW_OLD_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1514                                 0,
1515                                 id);
1516   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1517   if (RenderWidgetCompositor* rwc = compositor()) {
1518     latency_info_swap_promise_monitor =
1519         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1520   }
1521   ScheduleCompositeWithForcedRedraw();
1522 }
1523
1524 void RenderViewImpl::OnForceRedraw(int id) {
1525   ui::LatencyInfo latency_info;
1526   if (id) {
1527     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1528                                   0,
1529                                   id);
1530   }
1531   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1532   if (RenderWidgetCompositor* rwc = compositor()) {
1533     latency_info_swap_promise_monitor =
1534         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1535   }
1536   ScheduleCompositeWithForcedRedraw();
1537 }
1538
1539 void RenderViewImpl::OnWindowSnapshotCompleted(const int snapshot_id,
1540     const gfx::Size& size, const std::vector<unsigned char>& png) {
1541
1542   // Any pending snapshots with a lower ID than the one received are considered
1543   // to be implicitly complete, and returned the same snapshot data.
1544   PendingSnapshotMap::iterator it = pending_snapshots_.begin();
1545   while(it != pending_snapshots_.end()) {
1546       if (it->first <= snapshot_id) {
1547         it->second.Run(size, png);
1548         pending_snapshots_.erase(it++);
1549       } else {
1550         ++it;
1551       }
1552   }
1553 }
1554
1555 // blink::WebViewClient ------------------------------------------------------
1556
1557 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1558                                     const WebURLRequest& request,
1559                                     const WebWindowFeatures& features,
1560                                     const WebString& frame_name,
1561                                     WebNavigationPolicy policy,
1562                                     bool suppress_opener) {
1563   ViewHostMsg_CreateWindow_Params params;
1564   params.opener_id = routing_id_;
1565   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1566   if (GetContentClient()->renderer()->AllowPopup())
1567     params.user_gesture = true;
1568   params.window_container_type = WindowFeaturesToContainerType(features);
1569   params.session_storage_namespace_id = session_storage_namespace_id_;
1570   if (frame_name != "_blank")
1571     params.frame_name = frame_name;
1572   params.opener_render_frame_id =
1573       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1574   params.opener_url = creator->document().url();
1575   params.opener_top_level_frame_url = creator->top()->document().url();
1576   GURL security_url(creator->document().securityOrigin().toString());
1577   if (!security_url.is_valid())
1578     security_url = GURL();
1579   params.opener_security_origin = security_url;
1580   params.opener_suppressed = suppress_opener;
1581   params.disposition = NavigationPolicyToDisposition(policy);
1582   if (!request.isNull()) {
1583     params.target_url = request.url();
1584     params.referrer = GetReferrerFromRequest(creator, request);
1585   }
1586   params.features = features;
1587
1588   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1589     params.additional_features.push_back(features.additionalFeatures[i]);
1590
1591   int32 routing_id = MSG_ROUTING_NONE;
1592   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1593   int32 surface_id = 0;
1594   int64 cloned_session_storage_namespace_id = 0;
1595
1596   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1597       params, &routing_id, &main_frame_routing_id, &surface_id,
1598       &cloned_session_storage_namespace_id));
1599   if (routing_id == MSG_ROUTING_NONE)
1600     return NULL;
1601
1602   WebUserGestureIndicator::consumeUserGesture();
1603
1604   // While this view may be a background extension page, it can spawn a visible
1605   // render view. So we just assume that the new one is not another background
1606   // page instead of passing on our own value.
1607   // TODO(vangelis): Can we tell if the new view will be a background page?
1608   bool never_visible = false;
1609
1610   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1611   initial_size.screen_info = screen_info_;
1612
1613   // The initial hidden state for the RenderViewImpl here has to match what the
1614   // browser will eventually decide for the given disposition. Since we have to
1615   // return from this call synchronously, we just have to make our best guess
1616   // and rely on the browser sending a WasHidden / WasShown message if it
1617   // disagrees.
1618   ViewMsg_New_Params view_params;
1619   view_params.opener_route_id = routing_id_;
1620   view_params.window_was_created_with_opener = true;
1621   view_params.renderer_preferences = renderer_preferences_;
1622   view_params.web_preferences = webkit_preferences_;
1623   view_params.view_id = routing_id;
1624   view_params.main_frame_routing_id = main_frame_routing_id;
1625   view_params.surface_id = surface_id;
1626   view_params.session_storage_namespace_id =
1627       cloned_session_storage_namespace_id;
1628   // WebCore will take care of setting the correct name.
1629   view_params.frame_name = base::string16();
1630   view_params.swapped_out = false;
1631   view_params.replicated_frame_state = FrameReplicationState();
1632   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1633   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1634   view_params.never_visible = never_visible;
1635   view_params.next_page_id = 1;
1636   view_params.initial_size = initial_size;
1637   view_params.enable_auto_resize = false;
1638   view_params.min_size = gfx::Size();
1639   view_params.max_size = gfx::Size();
1640
1641   RenderViewImpl* view =
1642       RenderViewImpl::Create(view_params, compositor_deps_, true);
1643   view->opened_by_user_gesture_ = params.user_gesture;
1644
1645   // Record whether the creator frame is trying to suppress the opener field.
1646   view->opener_suppressed_ = params.opener_suppressed;
1647
1648   return view->webview();
1649 }
1650
1651 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1652   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1653                                               popup_type, screen_info_);
1654   if (!widget)
1655     return NULL;
1656   if (screen_metrics_emulator_) {
1657     widget->SetPopupOriginAdjustmentsForEmulation(
1658         screen_metrics_emulator_.get());
1659   }
1660   return widget->webwidget();
1661 }
1662
1663 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1664   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1665   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1666 }
1667
1668 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1669   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1670                     PrintPage(frame, handling_input_event_));
1671 }
1672
1673 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1674   // Note: We should basically send GURL but we use size-limited string instead
1675   // in order to send a larger data url to save a image for <canvas> or <img>.
1676   if (data_url.length() < kMaxLengthOfDataURLString)
1677     Send(new ViewHostMsg_SaveImageFromDataURL(routing_id_, data_url.utf8()));
1678 }
1679
1680 bool RenderViewImpl::enumerateChosenDirectory(
1681     const WebString& path,
1682     WebFileChooserCompletion* chooser_completion) {
1683   int id = enumeration_completion_id_++;
1684   enumeration_completions_[id] = chooser_completion;
1685   return Send(new ViewHostMsg_EnumerateDirectory(
1686       routing_id_,
1687       id,
1688       base::FilePath::FromUTF16Unsafe(path)));
1689 }
1690
1691 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1692   DCHECK_GE(frames_in_progress_, 0);
1693   if (frames_in_progress_ == 0)
1694     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1695   frames_in_progress_++;
1696 }
1697
1698 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1699   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1700   // calls DidStopLoading() without a matching DidStartLoading().
1701   if (frames_in_progress_ == 0)
1702     return;
1703   frames_in_progress_--;
1704   if (frames_in_progress_ == 0) {
1705     DidStopLoadingIcons();
1706     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1707   }
1708 }
1709
1710 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1711   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1712 }
1713
1714 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1715   if (edit_commands_.empty())
1716     return false;
1717
1718   WebFrame* frame = webview()->focusedFrame();
1719   if (!frame)
1720     return false;
1721
1722   EditCommands::iterator it = edit_commands_.begin();
1723   EditCommands::iterator end = edit_commands_.end();
1724
1725   bool did_execute_command = false;
1726   for (; it != end; ++it) {
1727     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1728     // key (but it's the exception). Once one edit command is not executed, it
1729     // seems safest to not execute the rest.
1730     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1731                                WebString::fromUTF8(it->value),
1732                                GetFocusedElement()))
1733       break;
1734     did_execute_command = true;
1735   }
1736
1737   return did_execute_command;
1738 }
1739
1740 bool RenderViewImpl::runFileChooser(
1741     const blink::WebFileChooserParams& params,
1742     WebFileChooserCompletion* chooser_completion) {
1743   // Do not open the file dialog in a hidden RenderView.
1744   if (is_hidden())
1745     return false;
1746   FileChooserParams ipc_params;
1747   if (params.directory)
1748     ipc_params.mode = FileChooserParams::UploadFolder;
1749   else if (params.multiSelect)
1750     ipc_params.mode = FileChooserParams::OpenMultiple;
1751   else if (params.saveAs)
1752     ipc_params.mode = FileChooserParams::Save;
1753   else
1754     ipc_params.mode = FileChooserParams::Open;
1755   ipc_params.title = params.title;
1756   ipc_params.default_file_name =
1757       base::FilePath::FromUTF16Unsafe(params.initialValue);
1758   ipc_params.accept_types.reserve(params.acceptTypes.size());
1759   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1760     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1761   ipc_params.need_local_path = params.needLocalPath;
1762 #if defined(OS_ANDROID)
1763   ipc_params.capture = params.useMediaCapture;
1764 #endif
1765
1766   return ScheduleFileChooser(ipc_params, chooser_completion);
1767 }
1768
1769 void RenderViewImpl::SetValidationMessageDirection(
1770     base::string16* wrapped_main_text,
1771     blink::WebTextDirection main_text_hint,
1772     base::string16* wrapped_sub_text,
1773     blink::WebTextDirection sub_text_hint) {
1774   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1775     *wrapped_main_text =
1776         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1777   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1778              !base::i18n::IsRTL()) {
1779     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1780   }
1781
1782   if (!wrapped_sub_text->empty()) {
1783     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1784       *wrapped_sub_text =
1785           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1786     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1787       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1788     }
1789   }
1790 }
1791
1792 void RenderViewImpl::showValidationMessage(
1793     const blink::WebRect& anchor_in_root_view,
1794     const blink::WebString& main_text,
1795     blink::WebTextDirection main_text_hint,
1796     const blink::WebString& sub_text,
1797     blink::WebTextDirection sub_text_hint) {
1798   base::string16 wrapped_main_text = main_text;
1799   base::string16 wrapped_sub_text = sub_text;
1800
1801   SetValidationMessageDirection(
1802       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1803
1804   Send(new ViewHostMsg_ShowValidationMessage(
1805       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1806       wrapped_main_text, wrapped_sub_text));
1807 }
1808
1809 void RenderViewImpl::hideValidationMessage() {
1810   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1811 }
1812
1813 void RenderViewImpl::moveValidationMessage(
1814     const blink::WebRect& anchor_in_root_view) {
1815   Send(new ViewHostMsg_MoveValidationMessage(
1816       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1817 }
1818
1819 void RenderViewImpl::setStatusText(const WebString& text) {
1820 }
1821
1822 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1823                                      const GURL& fallback_url) {
1824   GURL latest_url = url.is_empty() ? fallback_url : url;
1825   if (latest_url == target_url_)
1826     return;
1827
1828   // Tell the browser to display a destination link.
1829   if (target_url_status_ == TARGET_INFLIGHT ||
1830       target_url_status_ == TARGET_PENDING) {
1831     // If we have a request in-flight, save the URL to be sent when we
1832     // receive an ACK to the in-flight request. We can happily overwrite
1833     // any existing pending sends.
1834     pending_target_url_ = latest_url;
1835     target_url_status_ = TARGET_PENDING;
1836   } else {
1837     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1838     // see |ParamTraits<GURL>|.
1839     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1840       latest_url = GURL();
1841     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1842     target_url_ = latest_url;
1843     target_url_status_ = TARGET_INFLIGHT;
1844   }
1845 }
1846
1847 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1848     const gfx::RectF& rect) const {
1849   gfx::RectF window_rect = rect;
1850   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1851   return window_rect;
1852 }
1853
1854 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1855   // No need to update state if no page has committed yet.
1856   if (page_id_ == -1)
1857     return;
1858
1859   int delay;
1860   if (send_content_state_immediately_)
1861     delay = 0;
1862   else if (is_hidden())
1863     delay = kDelaySecondsForContentStateSyncHidden;
1864   else
1865     delay = kDelaySecondsForContentStateSync;
1866
1867   if (nav_state_sync_timer_.IsRunning()) {
1868     // The timer is already running. If the delay of the timer maches the amount
1869     // we want to delay by, then return. Otherwise stop the timer so that it
1870     // gets started with the right delay.
1871     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1872       return;
1873     nav_state_sync_timer_.Stop();
1874   }
1875
1876   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1877                               &RenderViewImpl::SyncNavigationState);
1878 }
1879
1880 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1881   mouse_over_url_ = GURL(url);
1882   UpdateTargetURL(mouse_over_url_, focus_url_);
1883 }
1884
1885 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1886   focus_url_ = GURL(url);
1887   UpdateTargetURL(focus_url_, mouse_over_url_);
1888 }
1889
1890 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1891                                    const WebDragData& data,
1892                                    WebDragOperationsMask mask,
1893                                    const WebImage& image,
1894                                    const WebPoint& webImageOffset) {
1895   DropData drop_data(DropDataBuilder::Build(data));
1896   drop_data.referrer_policy = frame->document().referrerPolicy();
1897   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1898   Send(new DragHostMsg_StartDragging(routing_id_,
1899                                      drop_data,
1900                                      mask,
1901                                      image.getSkBitmap(),
1902                                      imageOffset,
1903                                      possible_drag_event_info_));
1904 }
1905
1906 bool RenderViewImpl::acceptsLoadDrops() {
1907   return renderer_preferences_.can_accept_load_drops;
1908 }
1909
1910 void RenderViewImpl::focusNext() {
1911   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1912 }
1913
1914 void RenderViewImpl::focusPrevious() {
1915   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1916 }
1917
1918 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1919                                         const WebNode& toNode) {
1920   has_scrolled_focused_editable_node_into_rect_ = false;
1921
1922   gfx::Rect node_bounds;
1923   if (!toNode.isNull() && toNode.isElementNode()) {
1924     WebNode web_node = const_cast<WebNode&>(toNode);
1925     node_bounds = gfx::Rect(web_node.to<WebElement>().boundsInViewportSpace());
1926   }
1927   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(toNode),
1928                                           node_bounds));
1929
1930   // TODO(estade): remove.
1931   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1932
1933   RenderFrameImpl* previous_frame = nullptr;
1934   if (!fromNode.isNull())
1935     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1936   RenderFrameImpl* new_frame = nullptr;
1937   if (!toNode.isNull())
1938     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
1939
1940   if (previous_frame && previous_frame != new_frame)
1941     previous_frame->FocusedNodeChanged(WebNode());
1942   if (new_frame)
1943     new_frame->FocusedNodeChanged(toNode);
1944
1945   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
1946   GetMainRenderFrame()->FocusedNodeChangedForAccessibility(toNode);
1947 }
1948
1949 void RenderViewImpl::didUpdateLayout() {
1950   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
1951
1952   // We don't always want to set up a timer, only if we've been put in that
1953   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
1954   // message.
1955   if (!send_preferred_size_changes_ || !webview())
1956     return;
1957
1958   if (check_preferred_size_timer_.IsRunning())
1959     return;
1960   check_preferred_size_timer_.Start(FROM_HERE,
1961                                     TimeDelta::FromMilliseconds(0), this,
1962                                     &RenderViewImpl::CheckPreferredSize);
1963 }
1964
1965 void RenderViewImpl::navigateBackForwardSoon(int offset) {
1966   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
1967 }
1968
1969 int RenderViewImpl::historyBackListCount() {
1970   return history_list_offset_ < 0 ? 0 : history_list_offset_;
1971 }
1972
1973 int RenderViewImpl::historyForwardListCount() {
1974   return history_list_length_ - historyBackListCount() - 1;
1975 }
1976
1977 // blink::WebWidgetClient ----------------------------------------------------
1978
1979 void RenderViewImpl::didFocus() {
1980   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
1981   //                 we won't have to test for user gesture anymore and we can
1982   //                 move that code back to render_widget.cc
1983   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1984       !RenderThreadImpl::current()->layout_test_mode()) {
1985     Send(new ViewHostMsg_Focus(routing_id_));
1986   }
1987 }
1988
1989 void RenderViewImpl::didBlur() {
1990   // TODO(jcivelli): see TODO above in didFocus().
1991   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1992       !RenderThreadImpl::current()->layout_test_mode()) {
1993     Send(new ViewHostMsg_Blur(routing_id_));
1994   }
1995 }
1996
1997 // We are supposed to get a single call to Show for a newly created RenderView
1998 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
1999 // point to dispatch the ShowView message.
2000 //
2001 // This method provides us with the information about how to display the newly
2002 // created RenderView (i.e., as a blocked popup or as a new tab).
2003 //
2004 void RenderViewImpl::show(WebNavigationPolicy policy) {
2005   if (did_show_) {
2006     // When supports_multiple_windows is disabled, popups are reusing
2007     // the same view. In some scenarios, this makes WebKit to call show() twice.
2008     if (webkit_preferences_.supports_multiple_windows)
2009       NOTREACHED() << "received extraneous Show call";
2010     return;
2011   }
2012   did_show_ = true;
2013
2014   DCHECK(opener_id_ != MSG_ROUTING_NONE);
2015
2016   // NOTE: initial_rect_ may still have its default values at this point, but
2017   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
2018   // browser process will impose a default position otherwise.
2019   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
2020       NavigationPolicyToDisposition(policy), initial_rect_,
2021       opened_by_user_gesture_));
2022   SetPendingWindowRect(initial_rect_);
2023 }
2024
2025 void RenderViewImpl::runModal() {
2026   DCHECK(did_show_) << "should already have shown the view";
2027
2028   // Don't allow further dialogs if we are waiting to swap out, since the
2029   // PageGroupLoadDeferrer in our stack prevents it.
2030   if (suppress_dialogs_until_swap_out_)
2031     return;
2032
2033   // We must keep WebKit's shared timer running in this case in order to allow
2034   // showModalDialog to function properly.
2035   //
2036   // TODO(darin): WebKit should really be smarter about suppressing events and
2037   // timers so that we do not need to manage the shared timer in such a heavy
2038   // handed manner.
2039   //
2040   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
2041     RenderThreadImpl::current()->DoNotSuspendWebKitSharedTimer();
2042
2043   SendAndRunNestedMessageLoop(new ViewHostMsg_RunModal(
2044       routing_id_, opener_id_));
2045 }
2046
2047 bool RenderViewImpl::requestPointerLock() {
2048   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
2049 }
2050
2051 void RenderViewImpl::requestPointerUnlock() {
2052   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
2053 }
2054
2055 bool RenderViewImpl::isPointerLocked() {
2056   return mouse_lock_dispatcher_->IsMouseLockedTo(
2057       webwidget_mouse_lock_target_.get());
2058 }
2059
2060 void RenderViewImpl::didHandleGestureEvent(
2061     const WebGestureEvent& event,
2062     bool event_cancelled) {
2063   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2064
2065   if (!event_cancelled) {
2066     FOR_EACH_OBSERVER(
2067         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2068   }
2069
2070   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2071   // crbug/420130.
2072 #if defined(OS_WIN)
2073   if (event.type != blink::WebGestureEvent::GestureTap)
2074     return;
2075
2076   // TODO(estade): hit test the event against focused node to make sure
2077   // the tap actually hit the focused node.
2078   blink::WebTextInputType text_input_type =
2079       GetWebView()->textInputInfo().type;
2080
2081   Send(new ViewHostMsg_FocusedNodeTouched(
2082       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2083 #endif
2084 }
2085
2086 void RenderViewImpl::initializeLayerTreeView() {
2087   RenderWidget::initializeLayerTreeView();
2088   RenderWidgetCompositor* rwc = compositor();
2089   if (!rwc)
2090     return;
2091   if (webview() && webview()->devToolsAgent())
2092     webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId());
2093
2094   bool use_threaded_event_handling = true;
2095 #if defined(OS_MACOSX) && !defined(OS_IOS)
2096   // Disable threaded event handling if content is not handling the elastic
2097   // overscroll effect. This includes the cases where the elastic overscroll
2098   // effect is being handled by Blink (because of command line flags) and older
2099   // operating system versions which do not have an elastic overscroll effect
2100   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2101   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2102 #endif
2103   if (use_threaded_event_handling) {
2104     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2105     // render_thread may be NULL in tests.
2106     InputHandlerManager* input_handler_manager =
2107         render_thread ? render_thread->input_handler_manager() : NULL;
2108     if (input_handler_manager) {
2109       input_handler_manager->AddInputHandler(
2110           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2111     }
2112   }
2113 }
2114
2115 // blink::WebFrameClient -----------------------------------------------------
2116
2117 void RenderViewImpl::Repaint(const gfx::Size& size) {
2118   OnRepaint(size);
2119 }
2120
2121 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2122                                                    const std::string& value) {
2123   EditCommands edit_commands;
2124   edit_commands.push_back(EditCommand(name, value));
2125   OnSetEditCommandsForNextKeyEvent(edit_commands);
2126 }
2127
2128 void RenderViewImpl::ClearEditCommands() {
2129   edit_commands_.clear();
2130 }
2131
2132 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2133   std::string security_info;
2134   if (frame && frame->dataSource())
2135     security_info = frame->dataSource()->response().securityInfo();
2136
2137   SSLStatus ssl_status;
2138   DeserializeSecurityInfo(security_info,
2139                           &ssl_status.cert_id,
2140                           &ssl_status.cert_status,
2141                           &ssl_status.security_bits,
2142                           &ssl_status.connection_status,
2143                           &ssl_status.signed_certificate_timestamp_ids);
2144   return ssl_status;
2145 }
2146
2147 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2148   return renderer_preferences_.accept_languages;
2149 }
2150
2151 void RenderViewImpl::didCreateDataSource(WebLocalFrame* frame,
2152                                          WebDataSource* ds) {
2153   bool content_initiated = !pending_navigation_params_.get();
2154
2155   // Make sure any previous redirect URLs end up in our new data source.
2156   if (pending_navigation_params_.get()) {
2157     for (std::vector<GURL>::const_iterator i =
2158              pending_navigation_params_->redirects.begin();
2159          i != pending_navigation_params_->redirects.end(); ++i) {
2160       ds->appendRedirect(*i);
2161     }
2162   }
2163
2164   DocumentState* document_state = DocumentState::FromDataSource(ds);
2165   if (!document_state) {
2166     document_state = new DocumentState;
2167     ds->setExtraData(document_state);
2168     if (!content_initiated)
2169       PopulateDocumentStateFromPending(document_state);
2170   }
2171
2172   // Carry over the user agent override flag, if it exists.
2173   if (content_initiated && webview() && webview()->mainFrame() &&
2174       webview()->mainFrame()->isWebLocalFrame() &&
2175       webview()->mainFrame()->dataSource()) {
2176     DocumentState* old_document_state =
2177         DocumentState::FromDataSource(webview()->mainFrame()->dataSource());
2178     if (old_document_state) {
2179       InternalDocumentStateData* internal_data =
2180           InternalDocumentStateData::FromDocumentState(document_state);
2181       InternalDocumentStateData* old_internal_data =
2182           InternalDocumentStateData::FromDocumentState(old_document_state);
2183       internal_data->set_is_overriding_user_agent(
2184           old_internal_data->is_overriding_user_agent());
2185     }
2186   }
2187
2188   // The rest of RenderView assumes that a WebDataSource will always have a
2189   // non-null NavigationState.
2190   if (content_initiated) {
2191     document_state->set_navigation_state(
2192         NavigationState::CreateContentInitiated());
2193   } else {
2194     document_state->set_navigation_state(CreateNavigationStateFromPending());
2195     pending_navigation_params_.reset();
2196   }
2197
2198   // DocumentState::referred_by_prefetcher_ is true if we are
2199   // navigating from a page that used prefetching using a link on that
2200   // page.  We are early enough in the request process here that we
2201   // can still see the DocumentState of the previous page and set
2202   // this value appropriately.
2203   // TODO(gavinp): catch the important case of navigation in a new
2204   // renderer process.
2205   if (webview()) {
2206     if (WebFrame* old_frame = webview()->mainFrame()) {
2207       const WebURLRequest& original_request = ds->originalRequest();
2208       const GURL referrer(
2209           original_request.httpHeaderField(WebString::fromUTF8("Referer")));
2210       if (!referrer.is_empty() && old_frame->isWebLocalFrame() &&
2211           DocumentState::FromDataSource(old_frame->dataSource())
2212               ->was_prefetcher()) {
2213         for (; old_frame; old_frame = old_frame->traverseNext(false)) {
2214           WebDataSource* old_frame_ds = old_frame->dataSource();
2215           if (old_frame_ds && referrer == GURL(old_frame_ds->request().url())) {
2216             document_state->set_was_referred_by_prefetcher(true);
2217             break;
2218           }
2219         }
2220       }
2221     }
2222   }
2223
2224   if (content_initiated) {
2225     const WebURLRequest& request = ds->request();
2226     switch (request.cachePolicy()) {
2227       case WebURLRequest::UseProtocolCachePolicy:  // normal load.
2228         document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL);
2229         break;
2230       case WebURLRequest::ReloadIgnoringCacheData:  // reload.
2231       case WebURLRequest::ReloadBypassingCache:  // end-to-end reload.
2232         document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD);
2233         break;
2234       case WebURLRequest::ReturnCacheDataElseLoad:  // allow stale data.
2235         document_state->set_load_type(
2236             DocumentState::LINK_LOAD_CACHE_STALE_OK);
2237         break;
2238       case WebURLRequest::ReturnCacheDataDontLoad:  // Don't re-post.
2239         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY);
2240         break;
2241       default:
2242         NOTREACHED();
2243     }
2244   }
2245
2246   FOR_EACH_OBSERVER(
2247       RenderViewObserver, observers_, DidCreateDataSource(frame, ds));
2248 }
2249
2250 void RenderViewImpl::PopulateDocumentStateFromPending(
2251     DocumentState* document_state) {
2252   const FrameMsg_Navigate_Params& params = *pending_navigation_params_.get();
2253   document_state->set_request_time(params.request_time);
2254
2255   InternalDocumentStateData* internal_data =
2256       InternalDocumentStateData::FromDocumentState(document_state);
2257
2258   if (!params.common_params.url.SchemeIs(url::kJavaScriptScheme) &&
2259       params.common_params.navigation_type == FrameMsg_Navigate_Type::RESTORE) {
2260     // We're doing a load of a page that was restored from the last session. By
2261     // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which
2262     // can result in stale data for pages that are set to expire. We explicitly
2263     // override that by setting the policy here so that as necessary we load
2264     // from the network.
2265     //
2266     // TODO(davidben): Remove this in favor of passing a cache policy to the
2267     // loadHistoryItem call in OnNavigate. That requires not overloading
2268     // UseProtocolCachePolicy to mean both "normal load" and "determine cache
2269     // policy based on load type, etc".
2270     internal_data->set_cache_policy_override(
2271         WebURLRequest::UseProtocolCachePolicy);
2272   }
2273
2274   if (IsReload(params.common_params.navigation_type))
2275     document_state->set_load_type(DocumentState::RELOAD);
2276   else if (params.commit_params.page_state.IsValid())
2277     document_state->set_load_type(DocumentState::HISTORY_LOAD);
2278   else
2279     document_state->set_load_type(DocumentState::NORMAL_LOAD);
2280
2281   internal_data->set_is_overriding_user_agent(
2282       params.commit_params.is_overriding_user_agent);
2283   internal_data->set_must_reset_scroll_and_scale_state(
2284       params.common_params.navigation_type ==
2285       FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
2286   document_state->set_can_load_local_resources(params.can_load_local_resources);
2287 }
2288
2289 NavigationState* RenderViewImpl::CreateNavigationStateFromPending() {
2290   const FrameMsg_Navigate_Params& params = *pending_navigation_params_.get();
2291   NavigationState* navigation_state = NULL;
2292
2293   // A navigation resulting from loading a javascript URL should not be treated
2294   // as a browser initiated event.  Instead, we want it to look as if the page
2295   // initiated any load resulting from JS execution.
2296   if (!params.common_params.url.SchemeIs(url::kJavaScriptScheme)) {
2297     navigation_state = NavigationState::CreateBrowserInitiated(
2298         params.page_id,
2299         params.pending_history_list_offset,
2300         params.should_clear_history_list,
2301         params.common_params.transition);
2302     navigation_state->set_should_replace_current_entry(
2303         params.should_replace_current_entry);
2304     navigation_state->set_transferred_request_child_id(
2305         params.transferred_request_child_id);
2306     navigation_state->set_transferred_request_request_id(
2307         params.transferred_request_request_id);
2308     navigation_state->set_allow_download(params.common_params.allow_download);
2309     navigation_state->set_extra_headers(params.request_params.extra_headers);
2310   } else {
2311     navigation_state = NavigationState::CreateContentInitiated();
2312   }
2313   return navigation_state;
2314 }
2315
2316 void RenderViewImpl::didClearWindowObject(WebLocalFrame* frame) {
2317   FOR_EACH_OBSERVER(
2318       RenderViewObserver, observers_, DidClearWindowObject(frame));
2319
2320   if (enabled_bindings_& BINDINGS_POLICY_WEB_UI)
2321     WebUIExtension::Install(frame);
2322
2323   if (enabled_bindings_ & BINDINGS_POLICY_STATS_COLLECTION)
2324     StatsCollectionController::Install(frame);
2325
2326   const base::CommandLine& command_line =
2327       *base::CommandLine::ForCurrentProcess();
2328
2329   if (command_line.HasSwitch(switches::kEnableSkiaBenchmarking))
2330     SkiaBenchmarking::Install(frame);
2331
2332   if (command_line.HasSwitch(cc::switches::kEnableGpuBenchmarking))
2333     GpuBenchmarking::Install(frame);
2334
2335   if (command_line.HasSwitch(switches::kEnableMemoryBenchmarking))
2336     MemoryBenchmarkingExtension::Install(frame);
2337 }
2338
2339 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2340                                    WebIconURL::Type icon_type) {
2341   if (frame->parent())
2342     return;
2343
2344   if (!TouchEnabled() && icon_type != WebIconURL::TypeFavicon)
2345     return;
2346
2347   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2348   std::vector<FaviconURL> urls;
2349   for (size_t i = 0; i < icon_urls.size(); i++) {
2350     std::vector<gfx::Size> sizes;
2351     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2352     urls.push_back(FaviconURL(
2353         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2354   }
2355   SendUpdateFaviconURL(urls);
2356 }
2357
2358 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2359   StartNavStateSyncTimerIfNecessary();
2360 }
2361
2362 void RenderViewImpl::CheckPreferredSize() {
2363   // We don't always want to send the change messages over IPC, only if we've
2364   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2365   // message.
2366   if (!send_preferred_size_changes_ || !webview())
2367     return;
2368
2369   gfx::Size size = webview()->contentsPreferredMinimumSize();
2370   if (size == preferred_size_)
2371     return;
2372
2373   preferred_size_ = size;
2374   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2375                                                       preferred_size_));
2376 }
2377
2378 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2379   StartNavStateSyncTimerIfNecessary();
2380 }
2381
2382 void RenderViewImpl::SendFindReply(int request_id,
2383                                    int match_count,
2384                                    int ordinal,
2385                                    const WebRect& selection_rect,
2386                                    bool final_status_update) {
2387   Send(new ViewHostMsg_Find_Reply(routing_id_,
2388                                   request_id,
2389                                   match_count,
2390                                   selection_rect,
2391                                   ordinal,
2392                                   final_status_update));
2393 }
2394
2395 blink::WebString RenderViewImpl::acceptLanguages() {
2396   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2397 }
2398
2399 // blink::WebPageSerializerClient implementation ------------------------------
2400
2401 void RenderViewImpl::didSerializeDataForFrame(
2402     const WebURL& frame_url,
2403     const WebCString& data,
2404     WebPageSerializerClient::PageSerializationStatus status) {
2405   Send(new ViewHostMsg_SendSerializedHtmlData(
2406     routing_id(),
2407     frame_url,
2408     data.data(),
2409     static_cast<int32>(status)));
2410 }
2411
2412 // RenderView implementation ---------------------------------------------------
2413
2414 bool RenderViewImpl::Send(IPC::Message* message) {
2415   return RenderWidget::Send(message);
2416 }
2417
2418 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2419   return main_render_frame_.get();
2420 }
2421
2422 int RenderViewImpl::GetRoutingID() const {
2423   return routing_id_;
2424 }
2425
2426 gfx::Size RenderViewImpl::GetSize() const {
2427   return size();
2428 }
2429
2430 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2431   return webkit_preferences_;
2432 }
2433
2434 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2435   OnUpdateWebPreferences(preferences);
2436 }
2437
2438 blink::WebView* RenderViewImpl::GetWebView() {
2439   return webview();
2440 }
2441
2442 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2443   if (node.isNull())
2444     return false;
2445
2446   if (node.isContentEditable())
2447     return true;
2448
2449   if (node.isElementNode()) {
2450     const WebElement& element = node.toConst<WebElement>();
2451     if (element.isTextFormControlElement()) {
2452       if (!(element.hasAttribute("readonly") ||
2453             element.hasAttribute("disabled")))
2454         return true;
2455     }
2456
2457     // Also return true if it has an ARIA role of 'textbox'.
2458     for (unsigned i = 0; i < element.attributeCount(); ++i) {
2459       if (LowerCaseEqualsASCII(element.attributeLocalName(i), "role")) {
2460         if (LowerCaseEqualsASCII(element.attributeValue(i), "textbox"))
2461           return true;
2462         break;
2463       }
2464     }
2465   }
2466
2467   return false;
2468 }
2469
2470 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2471   return (!send_preferred_size_changes_ ||
2472           (disable_scrollbars_size_limit_.width() <= width ||
2473            disable_scrollbars_size_limit_.height() <= height));
2474 }
2475
2476 int RenderViewImpl::GetEnabledBindings() const {
2477   return enabled_bindings_;
2478 }
2479
2480 bool RenderViewImpl::GetContentStateImmediately() const {
2481   return send_content_state_immediately_;
2482 }
2483
2484 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2485   return visibilityState();
2486 }
2487
2488 void RenderViewImpl::DidStartLoading() {
2489   main_render_frame_->didStartLoading(true);
2490 }
2491
2492 void RenderViewImpl::DidStopLoading() {
2493   main_render_frame_->didStopLoading();
2494 }
2495
2496 void RenderViewImpl::SyncNavigationState() {
2497   if (!webview())
2498     return;
2499   SendUpdateState(history_controller_->GetCurrentEntry());
2500 }
2501
2502 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2503   if (!webview())
2504     return WebElement();
2505   WebFrame* focused_frame = webview()->focusedFrame();
2506   if (focused_frame) {
2507     WebDocument doc = focused_frame->document();
2508     if (!doc.isNull())
2509       return doc.focusedElement();
2510   }
2511
2512   return WebElement();
2513 }
2514
2515 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2516   if (!webview())
2517     return NULL;
2518
2519   WebFrame* main_frame = webview()->mainFrame();
2520   if (main_frame->isWebLocalFrame() &&
2521       main_frame->document().isPluginDocument())
2522     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2523
2524 #if defined(ENABLE_PLUGINS)
2525   if (plugin_find_handler_)
2526     return plugin_find_handler_->container()->plugin();
2527 #endif
2528
2529   return NULL;
2530 }
2531
2532 void RenderViewImpl::OnFind(int request_id,
2533                             const base::string16& search_text,
2534                             const WebFindOptions& options) {
2535   WebFrame* main_frame = webview()->mainFrame();
2536   blink::WebPlugin* plugin = GetWebPluginForFind();
2537   // Check if the plugin still exists in the document.
2538   if (plugin) {
2539     if (options.findNext) {
2540       // Just navigate back/forward.
2541       plugin->selectFindResult(options.forward);
2542     } else {
2543       if (!plugin->startFind(
2544           search_text, options.matchCase, request_id)) {
2545         // Send "no results".
2546         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2547       }
2548     }
2549     return;
2550   }
2551
2552   WebFrame* frame_after_main = main_frame->traverseNext(true);
2553   WebFrame* focused_frame = webview()->focusedFrame();
2554   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2555
2556   bool multi_frame = (frame_after_main != main_frame);
2557
2558   // If we have multiple frames, we don't want to wrap the search within the
2559   // frame, so we check here if we only have main_frame in the chain.
2560   bool wrap_within_frame = !multi_frame;
2561
2562   WebRect selection_rect;
2563   bool result = false;
2564
2565   // If something is selected when we start searching it means we cannot just
2566   // increment the current match ordinal; we need to re-generate it.
2567   WebRange current_selection = focused_frame->selectionRange();
2568
2569   do {
2570     result = search_frame->find(
2571         request_id, search_text, options, wrap_within_frame, &selection_rect);
2572
2573     if (!result) {
2574       // don't leave text selected as you move to the next frame.
2575       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2576                                    GetFocusedElement());
2577
2578       // Find the next frame, but skip the invisible ones.
2579       do {
2580         // What is the next frame to search? (we might be going backwards). Note
2581         // that we specify wrap=true so that search_frame never becomes NULL.
2582         search_frame = options.forward ?
2583             search_frame->traverseNext(true) :
2584             search_frame->traversePrevious(true);
2585       } while (!search_frame->hasVisibleContent() &&
2586                search_frame != focused_frame);
2587
2588       // Make sure selection doesn't affect the search operation in new frame.
2589       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2590                                    GetFocusedElement());
2591
2592       // If we have multiple frames and we have wrapped back around to the
2593       // focused frame, we need to search it once more allowing wrap within
2594       // the frame, otherwise it will report 'no match' if the focused frame has
2595       // reported matches, but no frames after the focused_frame contain a
2596       // match for the search word(s).
2597       if (multi_frame && search_frame == focused_frame) {
2598         result = search_frame->find(
2599             request_id, search_text, options, true,  // Force wrapping.
2600             &selection_rect);
2601       }
2602     }
2603
2604     webview()->setFocusedFrame(search_frame);
2605   } while (!result && search_frame != focused_frame);
2606
2607   if (options.findNext && current_selection.isNull()) {
2608     // Force the main_frame to report the actual count.
2609     main_frame->increaseMatchCount(0, request_id);
2610   } else {
2611     // If nothing is found, set result to "0 of 0", otherwise, set it to
2612     // "-1 of 1" to indicate that we found at least one item, but we don't know
2613     // yet what is active.
2614     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2615     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2616
2617     // If we find no matches then this will be our last status update.
2618     // Otherwise the scoping effort will send more results.
2619     bool final_status_update = !result;
2620
2621     SendFindReply(request_id, match_count, ordinal, selection_rect,
2622                   final_status_update);
2623
2624     // Scoping effort begins, starting with the mainframe.
2625     search_frame = main_frame;
2626
2627     main_frame->resetMatchCount();
2628
2629     do {
2630       // Cancel all old scoping requests before starting a new one.
2631       search_frame->cancelPendingScopingEffort();
2632
2633       // We don't start another scoping effort unless at least one match has
2634       // been found.
2635       if (result) {
2636         // Start new scoping request. If the scoping function determines that it
2637         // needs to scope, it will defer until later.
2638         search_frame->scopeStringMatches(request_id,
2639                                          search_text,
2640                                          options,
2641                                          true);  // reset the tickmarks
2642       }
2643
2644       // Iterate to the next frame. The frame will not necessarily scope, for
2645       // example if it is not visible.
2646       search_frame = search_frame->traverseNext(true);
2647     } while (search_frame != main_frame);
2648   }
2649 }
2650
2651 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2652   WebView* view = webview();
2653   if (!view)
2654     return;
2655
2656   blink::WebPlugin* plugin = GetWebPluginForFind();
2657   if (plugin) {
2658     plugin->stopFind();
2659     return;
2660   }
2661
2662   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2663   if (clear_selection) {
2664     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2665                                          GetFocusedElement());
2666   }
2667
2668   WebFrame* frame = view->mainFrame();
2669   while (frame) {
2670     frame->stopFinding(clear_selection);
2671     frame = frame->traverseNext(false);
2672   }
2673
2674   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2675     WebFrame* focused_frame = view->focusedFrame();
2676     if (focused_frame) {
2677       WebDocument doc = focused_frame->document();
2678       if (!doc.isNull()) {
2679         WebElement element = doc.focusedElement();
2680         if (!element.isNull())
2681           element.simulateClick();
2682       }
2683     }
2684   }
2685 }
2686
2687 #if defined(OS_ANDROID)
2688 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2689                                                  float x, float y) {
2690   if (!webview())
2691       return;
2692
2693   WebFrame* main_frame = webview()->mainFrame();
2694   WebRect selection_rect;
2695   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2696                                                    &selection_rect);
2697   if (ordinal == -1) {
2698     // Something went wrong, so send a no-op reply (force the main_frame to
2699     // report the current match count) in case the host is waiting for a
2700     // response due to rate-limiting).
2701     main_frame->increaseMatchCount(0, request_id);
2702     return;
2703   }
2704
2705   SendFindReply(request_id,
2706                 -1 /* number_of_matches */,
2707                 ordinal,
2708                 selection_rect,
2709                 true /* final_update */);
2710 }
2711
2712 void RenderViewImpl::OnFindMatchRects(int current_version) {
2713   if (!webview())
2714       return;
2715
2716   WebFrame* main_frame = webview()->mainFrame();
2717   std::vector<gfx::RectF> match_rects;
2718
2719   int rects_version = main_frame->findMatchMarkersVersion();
2720   if (current_version != rects_version) {
2721     WebVector<WebFloatRect> web_match_rects;
2722     main_frame->findMatchRects(web_match_rects);
2723     match_rects.reserve(web_match_rects.size());
2724     for (size_t i = 0; i < web_match_rects.size(); ++i)
2725       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2726   }
2727
2728   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2729   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2730                                                rects_version,
2731                                                match_rects,
2732                                                active_rect));
2733 }
2734 #endif
2735
2736 void RenderViewImpl::OnZoom(PageZoom zoom) {
2737   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2738     return;
2739
2740   webview()->hidePopups();
2741
2742   double old_zoom_level = webview()->zoomLevel();
2743   double zoom_level;
2744   if (zoom == PAGE_ZOOM_RESET) {
2745     zoom_level = 0;
2746   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2747     // Previous zoom level is a whole number, so just increment/decrement.
2748     zoom_level = old_zoom_level + zoom;
2749   } else {
2750     // Either the user hit the zoom factor limit and thus the zoom level is now
2751     // not a whole number, or a plugin changed it to a custom value.  We want
2752     // to go to the next whole number so that the user can always get back to
2753     // 100% with the keyboard/menu.
2754     if ((old_zoom_level > 1 && zoom > 0) ||
2755         (old_zoom_level < 1 && zoom < 0)) {
2756       zoom_level = static_cast<int>(old_zoom_level + zoom);
2757     } else {
2758       // We're going towards 100%, so first go to the next whole number.
2759       zoom_level = static_cast<int>(old_zoom_level);
2760     }
2761   }
2762   webview()->setZoomLevel(zoom_level);
2763   zoomLevelChanged();
2764 }
2765
2766 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2767                                                  double zoom_level) {
2768 #if !defined(OS_ANDROID)
2769   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2770   // for legacy WebView text scaling emulation. Thus, the code that resets
2771   // the zoom level from this map will be effectively resetting text zoom level.
2772   host_zoom_levels_[url] = zoom_level;
2773 #endif
2774 }
2775
2776 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2777                                            double level) {
2778   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2779
2780   webview()->hidePopups();
2781   webview()->setZoomLevel(level);
2782 }
2783
2784 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2785   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2786 }
2787
2788 void RenderViewImpl::OnResetPageEncodingToDefault() {
2789   WebString no_encoding;
2790   webview()->setPageEncoding(no_encoding);
2791 }
2792
2793 void RenderViewImpl::OnPostMessageEvent(
2794     const ViewMsg_PostMessage_Params& params) {
2795   // TODO(nasko): Support sending to subframes.
2796   WebFrame* frame = webview()->mainFrame();
2797
2798   // Find the source frame if it exists.
2799   WebFrame* source_frame = NULL;
2800   if (params.source_routing_id != MSG_ROUTING_NONE) {
2801     RenderViewImpl* source_view = FromRoutingID(params.source_routing_id);
2802     if (source_view)
2803       source_frame = source_view->webview()->mainFrame();
2804   }
2805
2806   // If the message contained MessagePorts, create the corresponding endpoints.
2807   DCHECK_EQ(params.message_port_ids.size(), params.new_routing_ids.size());
2808   blink::WebMessagePortChannelArray channels(params.message_port_ids.size());
2809   for (size_t i = 0;
2810        i < params.message_port_ids.size() && i < params.new_routing_ids.size();
2811        ++i) {
2812     channels[i] =
2813         new WebMessagePortChannelImpl(params.new_routing_ids[i],
2814                                       params.message_port_ids[i],
2815                                       base::MessageLoopProxy::current().get());
2816   }
2817
2818   WebSerializedScriptValue serialized_script_value;
2819   if (params.is_data_raw_string) {
2820     v8::HandleScope handle_scope(blink::mainThreadIsolate());
2821     v8::Local<v8::Context> context = frame->mainWorldScriptContext();
2822     v8::Context::Scope context_scope(context);
2823     V8ValueConverterImpl converter;
2824     converter.SetDateAllowed(true);
2825     converter.SetRegExpAllowed(true);
2826     scoped_ptr<base::Value> value(new base::StringValue(params.data));
2827     v8::Handle<v8::Value> result_value = converter.ToV8Value(value.get(),
2828                                                              context);
2829     serialized_script_value = WebSerializedScriptValue::serialize(result_value);
2830   } else {
2831     serialized_script_value = WebSerializedScriptValue::fromString(params.data);
2832   }
2833
2834   // Create an event with the message.  The final parameter to initMessageEvent
2835   // is the last event ID, which is not used with postMessage.
2836   WebDOMEvent event = frame->document().createEvent("MessageEvent");
2837   WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
2838   msg_event.initMessageEvent("message",
2839                              // |canBubble| and |cancellable| are always false
2840                              false, false,
2841                              serialized_script_value,
2842                              params.source_origin, source_frame, "", channels);
2843
2844   // We must pass in the target_origin to do the security check on this side,
2845   // since it may have changed since the original postMessage call was made.
2846   WebSecurityOrigin target_origin;
2847   if (!params.target_origin.empty()) {
2848     target_origin =
2849         WebSecurityOrigin::createFromString(WebString(params.target_origin));
2850   }
2851   frame->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
2852 }
2853
2854 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2855   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2856       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2857     // WebUIExtensionData deletes itself when we're destroyed.
2858     new WebUIExtensionData(this);
2859     // WebUIMojo deletes itself when we're destroyed.
2860     new WebUIMojo(this);
2861   }
2862
2863   enabled_bindings_ |= enabled_bindings_flags;
2864
2865   // Keep track of the total bindings accumulated in this process.
2866   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2867 }
2868
2869 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2870                                            const gfx::Point& client_point,
2871                                            const gfx::Point& screen_point,
2872                                            WebDragOperationsMask ops,
2873                                            int key_modifiers) {
2874   WebDragOperation operation = webview()->dragTargetDragEnter(
2875       DropDataToWebDragData(drop_data),
2876       client_point,
2877       screen_point,
2878       ops,
2879       key_modifiers);
2880
2881   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2882 }
2883
2884 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2885                                           const gfx::Point& screen_point,
2886                                           WebDragOperationsMask ops,
2887                                           int key_modifiers) {
2888   WebDragOperation operation = webview()->dragTargetDragOver(
2889       client_point,
2890       screen_point,
2891       ops,
2892       key_modifiers);
2893
2894   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2895 }
2896
2897 void RenderViewImpl::OnDragTargetDragLeave() {
2898   webview()->dragTargetDragLeave();
2899 }
2900
2901 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2902                                       const gfx::Point& screen_point,
2903                                       int key_modifiers) {
2904   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2905
2906   Send(new DragHostMsg_TargetDrop_ACK(routing_id_));
2907 }
2908
2909 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2910                                        const gfx::Point& screen_point,
2911                                        WebDragOperation op) {
2912   webview()->dragSourceEndedAt(client_point, screen_point, op);
2913 }
2914
2915 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2916   webview()->dragSourceSystemDragEnded();
2917 }
2918
2919 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2920   webkit_preferences_ = prefs;
2921   ApplyWebPreferences(webkit_preferences_, webview());
2922 }
2923
2924 void RenderViewImpl::OnEnumerateDirectoryResponse(
2925     int id,
2926     const std::vector<base::FilePath>& paths) {
2927   if (!enumeration_completions_[id])
2928     return;
2929
2930   WebVector<WebString> ws_file_names(paths.size());
2931   for (size_t i = 0; i < paths.size(); ++i)
2932     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2933
2934   enumeration_completions_[id]->didChooseFile(ws_file_names);
2935   enumeration_completions_.erase(id);
2936 }
2937
2938 void RenderViewImpl::OnFileChooserResponse(
2939     const std::vector<content::FileChooserFileInfo>& files) {
2940   // This could happen if we navigated to a different page before the user
2941   // closed the chooser.
2942   if (file_chooser_completions_.empty())
2943     return;
2944
2945   // Convert Chrome's SelectedFileInfo list to WebKit's.
2946   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2947       files.size());
2948   for (size_t i = 0; i < files.size(); ++i) {
2949     WebFileChooserCompletion::SelectedFileInfo selected_file;
2950     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2951     selected_file.displayName =
2952         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2953     if (files[i].file_system_url.is_valid()) {
2954       selected_file.fileSystemURL = files[i].file_system_url;
2955       selected_file.length = files[i].length;
2956       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2957       selected_file.isDirectory = files[i].is_directory;
2958     }
2959     selected_files[i] = selected_file;
2960   }
2961
2962   if (file_chooser_completions_.front()->completion)
2963     file_chooser_completions_.front()->completion->didChooseFile(
2964         selected_files);
2965   file_chooser_completions_.pop_front();
2966
2967   // If there are more pending file chooser requests, schedule one now.
2968   if (!file_chooser_completions_.empty()) {
2969     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2970         file_chooser_completions_.front()->params));
2971   }
2972 }
2973
2974 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2975                                         const gfx::Size& max_size) {
2976   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2977   if (!webview())
2978     return;
2979   auto_resize_mode_ = true;
2980   webview()->enableAutoResizeMode(min_size, max_size);
2981 }
2982
2983 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2984   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2985   if (!webview())
2986     return;
2987   auto_resize_mode_ = false;
2988   webview()->disableAutoResizeMode();
2989
2990   if (!new_size.IsEmpty()) {
2991     Resize(new_size,
2992            physical_backing_size_,
2993            top_controls_shrink_blink_size_,
2994            top_controls_height_,
2995            visible_viewport_size_,
2996            resizer_rect_,
2997            is_fullscreen_,
2998            NO_RESIZE_ACK);
2999   }
3000 }
3001
3002 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
3003   if (send_preferred_size_changes_)
3004     return;
3005   send_preferred_size_changes_ = true;
3006
3007   // Start off with an initial preferred size notification (in case
3008   // |didUpdateLayout| was already called).
3009   didUpdateLayout();
3010 }
3011
3012 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
3013     const gfx::Size& disable_scrollbar_size_limit) {
3014   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
3015 }
3016
3017 void RenderViewImpl::OnSetRendererPrefs(
3018     const RendererPreferences& renderer_prefs) {
3019   double old_zoom_level = renderer_preferences_.default_zoom_level;
3020   std::string old_accept_languages = renderer_preferences_.accept_languages;
3021
3022   renderer_preferences_ = renderer_prefs;
3023   UpdateFontRenderingFromRendererPrefs();
3024
3025 #if defined(USE_DEFAULT_RENDER_THEME)
3026   if (renderer_prefs.use_custom_colors) {
3027     WebColorName name = blink::WebColorWebkitFocusRingColor;
3028     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
3029     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
3030
3031     if (webview()) {
3032       webview()->setSelectionColors(
3033           renderer_prefs.active_selection_bg_color,
3034           renderer_prefs.active_selection_fg_color,
3035           renderer_prefs.inactive_selection_bg_color,
3036           renderer_prefs.inactive_selection_fg_color);
3037       webview()->themeChanged();
3038     }
3039   }
3040 #endif  // defined(USE_DEFAULT_RENDER_THEME)
3041
3042   // If the zoom level for this page matches the old zoom default, and this
3043   // is not a plugin, update the zoom level to match the new default.
3044   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
3045       !webview()->mainFrame()->document().isPluginDocument() &&
3046       !ZoomValuesEqual(old_zoom_level,
3047                        renderer_preferences_.default_zoom_level) &&
3048       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
3049     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
3050     zoomLevelChanged();
3051   }
3052
3053   if (webview() &&
3054       old_accept_languages != renderer_preferences_.accept_languages) {
3055     webview()->acceptLanguagesChanged();
3056   }
3057 }
3058
3059 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
3060                                            const WebMediaPlayerAction& action) {
3061   if (webview())
3062     webview()->performMediaPlayerAction(action, location);
3063 }
3064
3065 void RenderViewImpl::OnOrientationChange() {
3066   webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
3067 }
3068
3069 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
3070                                       const WebPluginAction& action) {
3071   if (webview())
3072     webview()->performPluginAction(action, location);
3073 }
3074
3075 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
3076     const GURL& page_url) {
3077   // Prepare list to storage all savable resource links.
3078   std::vector<GURL> resources_list;
3079   std::vector<GURL> referrer_urls_list;
3080   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
3081   std::vector<GURL> frames_list;
3082   SavableResourcesResult result(&resources_list,
3083                                 &referrer_urls_list,
3084                                 &referrer_policies_list,
3085                                 &frames_list);
3086
3087   // webkit/ doesn't know about Referrer.
3088   if (!GetAllSavableResourceLinksForCurrentPage(
3089           webview(),
3090           page_url,
3091           &result,
3092           const_cast<const char**>(GetSavableSchemes()))) {
3093     // If something is wrong when collecting all savable resource links,
3094     // send empty list to embedder(browser) to tell it failed.
3095     referrer_urls_list.clear();
3096     referrer_policies_list.clear();
3097     resources_list.clear();
3098     frames_list.clear();
3099   }
3100
3101   std::vector<Referrer> referrers_list;
3102   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
3103   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
3104     referrers_list.push_back(
3105         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
3106   }
3107
3108   // Send result of all savable resource links to embedder.
3109   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
3110                                                               resources_list,
3111                                                               referrers_list,
3112                                                               frames_list));
3113 }
3114
3115 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
3116     const std::vector<GURL>& links,
3117     const std::vector<base::FilePath>& local_paths,
3118     const base::FilePath& local_directory_name) {
3119
3120   // Convert std::vector of GURLs to WebVector<WebURL>
3121   WebVector<WebURL> weburl_links(links);
3122
3123   // Convert std::vector of base::FilePath to WebVector<WebString>
3124   WebVector<WebString> webstring_paths(local_paths.size());
3125   for (size_t i = 0; i < local_paths.size(); i++)
3126     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
3127
3128   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
3129                                true,
3130                                this,
3131                                weburl_links,
3132                                webstring_paths,
3133                                local_directory_name.AsUTF16Unsafe());
3134 }
3135
3136 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
3137   // Don't show any more dialogs until we finish OnSwapOut.
3138   suppress_dialogs_until_swap_out_ = true;
3139 }
3140
3141 void RenderViewImpl::OnClosePage() {
3142   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
3143   // TODO(creis): We'd rather use webview()->Close() here, but that currently
3144   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
3145   // in the onunload handler from appearing.  For now, we're bypassing that and
3146   // calling the FrameLoader's CloseURL method directly.  This should be
3147   // revisited to avoid having two ways to close a page.  Having a single way
3148   // to close that can run onunload is also useful for fixing
3149   // http://b/issue?id=753080.
3150   webview()->mainFrame()->dispatchUnloadEvent();
3151
3152   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
3153 }
3154
3155 void RenderViewImpl::OnThemeChanged() {
3156 #if defined(USE_AURA)
3157   // Aura doesn't care if we switch themes.
3158 #elif defined(OS_WIN)
3159   ui::NativeThemeWin::instance()->CloseHandles();
3160   if (webview())
3161     webview()->themeChanged();
3162 #else  // defined(OS_WIN)
3163   // TODO(port): we don't support theming on non-Windows platforms yet
3164   NOTIMPLEMENTED();
3165 #endif
3166 }
3167
3168 void RenderViewImpl::OnMoveOrResizeStarted() {
3169   if (webview())
3170     webview()->hidePopups();
3171 }
3172
3173 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
3174   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
3175   if (webview()) {
3176     webview()->hidePopups();
3177     if (send_preferred_size_changes_) {
3178       webview()->mainFrame()->setCanHaveScrollbars(
3179           ShouldDisplayScrollbars(params.new_size.width(),
3180                                   params.new_size.height()));
3181     }
3182   }
3183
3184   gfx::Size old_visible_viewport_size = visible_viewport_size_;
3185
3186   RenderWidget::OnResize(params);
3187
3188   if (old_visible_viewport_size != visible_viewport_size_)
3189     has_scrolled_focused_editable_node_into_rect_ = false;
3190 }
3191
3192 void RenderViewImpl::DidInitiatePaint() {
3193 #if defined(ENABLE_PLUGINS)
3194   // Notify all instances that we painted.  The same caveats apply as for
3195   // ViewFlushedPaint regarding instances closing themselves, so we take
3196   // similar precautions.
3197   PepperPluginSet plugins = active_pepper_instances_;
3198   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
3199     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
3200       (*i)->ViewInitiatedPaint();
3201   }
3202 #endif
3203 }
3204
3205 void RenderViewImpl::DidFlushPaint() {
3206   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
3207   // See crbug.com/112921.
3208   if (!webview())
3209     return;
3210
3211   WebFrame* main_frame = webview()->mainFrame();
3212   for (WebFrame* frame = main_frame; frame;
3213        frame = frame->traverseNext(false)) {
3214     // TODO(nasko): This is a hack for the case in which the top-level
3215     // frame is being rendered in another process. It will not
3216     // behave correctly for out of process iframes.
3217     if (frame->isWebLocalFrame()) {
3218       main_frame = frame;
3219       break;
3220     }
3221   }
3222
3223   // If we have a provisional frame we are between the start and commit stages
3224   // of loading and we don't want to save stats.
3225   if (!main_frame->provisionalDataSource()) {
3226     WebDataSource* ds = main_frame->dataSource();
3227     DocumentState* document_state = DocumentState::FromDataSource(ds);
3228
3229     // TODO(jar): The following code should all be inside a method, probably in
3230     // NavigatorState.
3231     Time now = Time::Now();
3232     if (document_state->first_paint_time().is_null()) {
3233       document_state->set_first_paint_time(now);
3234     }
3235     if (document_state->first_paint_after_load_time().is_null() &&
3236         !document_state->finish_load_time().is_null()) {
3237       document_state->set_first_paint_after_load_time(now);
3238     }
3239   }
3240 }
3241
3242 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
3243   WebFrame* main_frame = webview()->mainFrame();
3244   for (WebFrame* frame = main_frame; frame;
3245        frame = frame->traverseNext(false)) {
3246     // TODO(nasko): This is a hack for the case in which the top-level
3247     // frame is being rendered in another process. It will not
3248     // behave correctly for out of process iframes.
3249     if (frame->isWebLocalFrame()) {
3250       main_frame = frame;
3251       break;
3252     }
3253   }
3254
3255   WebSize scroll_offset = main_frame->scrollOffset();
3256   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
3257 }
3258
3259 void RenderViewImpl::OnClearFocusedElement() {
3260   if (webview())
3261     webview()->clearFocusedElement();
3262 }
3263
3264 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
3265   if (webview())
3266     webview()->setIsTransparent(!opaque);
3267   if (compositor_)
3268     compositor_->setHasTransparentBackground(!opaque);
3269 }
3270
3271 void RenderViewImpl::OnSetActive(bool active) {
3272   if (webview())
3273     webview()->setIsActive(active);
3274
3275 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3276   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3277   for (plugin_it = plugin_delegates_.begin();
3278        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3279     (*plugin_it)->SetWindowFocus(active);
3280   }
3281 #endif
3282 }
3283
3284 #if defined(OS_MACOSX)
3285 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3286 #if defined(ENABLE_PLUGINS)
3287   // Inform plugins that their container has changed visibility.
3288   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3289   for (plugin_it = plugin_delegates_.begin();
3290        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3291     (*plugin_it)->SetContainerVisibility(visible);
3292   }
3293 #endif
3294 }
3295
3296 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3297                                           const gfx::Rect& view_frame) {
3298 #if defined(ENABLE_PLUGINS)
3299   // Inform plugins that their window's frame has changed.
3300   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3301   for (plugin_it = plugin_delegates_.begin();
3302        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3303     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3304   }
3305 #endif
3306 }
3307
3308 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3309                                                      int plugin_id) {
3310   // WebPluginDelegateProxy is responsible for figuring out if this event
3311   // applies to it or not, so inform all the delegates.
3312   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3313   for (plugin_it = plugin_delegates_.begin();
3314        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3315     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3316   }
3317 }
3318 #endif  // OS_MACOSX
3319
3320 void RenderViewImpl::OnClose() {
3321   if (closing_)
3322     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3323   RenderWidget::OnClose();
3324 }
3325
3326 void RenderViewImpl::Close() {
3327   // We need to grab a pointer to the doomed WebView before we destroy it.
3328   WebView* doomed = webview();
3329   RenderWidget::Close();
3330   g_view_map.Get().erase(doomed);
3331   g_routing_id_view_map.Get().erase(routing_id_);
3332   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3333 }
3334
3335 void RenderViewImpl::DidHandleKeyEvent() {
3336   ClearEditCommands();
3337 }
3338
3339 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3340   possible_drag_event_info_.event_source =
3341       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3342   possible_drag_event_info_.event_location =
3343       gfx::Point(event.globalX, event.globalY);
3344
3345 #if defined(ENABLE_PLUGINS)
3346   // This method is called for every mouse event that the render view receives.
3347   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3348   // event target. Potentially a Pepper plugin will receive the event.
3349   // In order to tell whether a plugin gets the last mouse event and which it
3350   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3351   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3352   // |pepper_last_mouse_event_target_|.
3353   pepper_last_mouse_event_target_ = NULL;
3354 #endif
3355
3356   // If the mouse is locked, only the current owner of the mouse lock can
3357   // process mouse events.
3358   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3359 }
3360
3361 bool RenderViewImpl::WillHandleGestureEvent(
3362     const blink::WebGestureEvent& event) {
3363   possible_drag_event_info_.event_source =
3364       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3365   possible_drag_event_info_.event_location =
3366       gfx::Point(event.globalX, event.globalY);
3367   return false;
3368 }
3369
3370 void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) {
3371   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event));
3372 }
3373
3374 void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) {
3375   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event));
3376 }
3377
3378 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3379   if (!webview())
3380     return false;
3381   return webview()->hasTouchEventHandlersAt(point);
3382 }
3383
3384 void RenderViewImpl::OnWasHidden() {
3385   RenderWidget::OnWasHidden();
3386
3387 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3388   RenderThreadImpl::current()->video_capture_impl_manager()->
3389       SuspendDevices(true);
3390   if (speech_recognition_dispatcher_)
3391     speech_recognition_dispatcher_->AbortAllRecognitions();
3392 #endif
3393
3394   if (webview())
3395     webview()->setVisibilityState(visibilityState(), false);
3396
3397 #if defined(ENABLE_PLUGINS)
3398   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3399        i != active_pepper_instances_.end(); ++i)
3400     (*i)->PageVisibilityChanged(false);
3401
3402 #if defined(OS_MACOSX)
3403   // Inform NPAPI plugins that their container is no longer visible.
3404   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3405   for (plugin_it = plugin_delegates_.begin();
3406        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3407     (*plugin_it)->SetContainerVisibility(false);
3408   }
3409 #endif  // OS_MACOSX
3410 #endif // ENABLE_PLUGINS
3411 }
3412
3413 void RenderViewImpl::OnWasShown(bool needs_repainting,
3414                                 const ui::LatencyInfo& latency_info) {
3415   RenderWidget::OnWasShown(needs_repainting, latency_info);
3416
3417 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3418   RenderThreadImpl::current()->video_capture_impl_manager()->
3419       SuspendDevices(false);
3420 #endif
3421
3422   if (webview())
3423     webview()->setVisibilityState(visibilityState(), false);
3424
3425 #if defined(ENABLE_PLUGINS)
3426   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3427        i != active_pepper_instances_.end(); ++i)
3428     (*i)->PageVisibilityChanged(true);
3429
3430 #if defined(OS_MACOSX)
3431   // Inform NPAPI plugins that their container is now visible.
3432   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3433   for (plugin_it = plugin_delegates_.begin();
3434        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3435     (*plugin_it)->SetContainerVisibility(true);
3436   }
3437 #endif  // OS_MACOSX
3438 #endif  // ENABLE_PLUGINS
3439 }
3440
3441 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3442   DCHECK(webview());
3443   if (webview()->mainFrame()->isWebLocalFrame())
3444     return GURL(webview()->mainFrame()->document().url());
3445   else
3446     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3447 }
3448
3449 void RenderViewImpl::OnSetFocus(bool enable) {
3450   RenderWidget::OnSetFocus(enable);
3451
3452 #if defined(ENABLE_PLUGINS)
3453   if (webview() && webview()->isActive()) {
3454     // Notify all NPAPI plugins.
3455     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3456     for (plugin_it = plugin_delegates_.begin();
3457          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3458 #if defined(OS_MACOSX)
3459       // RenderWidget's call to setFocus can cause the underlying webview's
3460       // activation state to change just like a call to setIsActive.
3461       if (enable)
3462         (*plugin_it)->SetWindowFocus(true);
3463 #endif
3464       (*plugin_it)->SetContentAreaFocus(enable);
3465     }
3466   }
3467   // Notify all Pepper plugins.
3468   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3469        i != active_pepper_instances_.end(); ++i)
3470     (*i)->SetContentAreaFocus(enable);
3471 #endif
3472   // Notify all BrowserPlugins of the RenderView's focus state.
3473   if (BrowserPluginManager::Get())
3474     BrowserPluginManager::Get()->UpdateFocusState();
3475 }
3476
3477 void RenderViewImpl::OnImeSetComposition(
3478     const base::string16& text,
3479     const std::vector<blink::WebCompositionUnderline>& underlines,
3480     int selection_start,
3481     int selection_end) {
3482 #if defined(ENABLE_PLUGINS)
3483   if (focused_pepper_plugin_) {
3484     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3485         text, underlines, selection_start, selection_end);
3486     return;
3487   }
3488
3489 #if defined(OS_WIN)
3490   // When a plug-in has focus, we create platform-specific IME data used by
3491   // our IME emulator and send it directly to the focused plug-in, i.e. we
3492   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3493   // instance ID is the same one as the specified ID.)
3494   if (focused_plugin_id_ >= 0) {
3495     std::vector<int> clauses;
3496     std::vector<int> target;
3497     for (size_t i = 0; i < underlines.size(); ++i) {
3498       clauses.push_back(underlines[i].startOffset);
3499       clauses.push_back(underlines[i].endOffset);
3500       if (underlines[i].thick) {
3501         target.clear();
3502         target.push_back(underlines[i].startOffset);
3503         target.push_back(underlines[i].endOffset);
3504       }
3505     }
3506     std::set<WebPluginDelegateProxy*>::iterator it;
3507     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3508       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3509                                    focused_plugin_id_);
3510     }
3511     return;
3512   }
3513 #endif  // OS_WIN
3514 #endif  // ENABLE_PLUGINS
3515   RenderWidget::OnImeSetComposition(text,
3516                                     underlines,
3517                                     selection_start,
3518                                     selection_end);
3519 }
3520
3521 void RenderViewImpl::OnImeConfirmComposition(
3522     const base::string16& text,
3523     const gfx::Range& replacement_range,
3524     bool keep_selection) {
3525 #if defined(ENABLE_PLUGINS)
3526   if (focused_pepper_plugin_) {
3527     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3528         text, replacement_range, keep_selection);
3529     return;
3530   }
3531 #if defined(OS_WIN)
3532   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3533   // plug-ins. When we send IME text directly to plug-ins, we should not send
3534   // it to WebKit to prevent WebKit from controlling IMEs.
3535   // TODO(thakis): Honor |replacement_range| for plugins?
3536   if (focused_plugin_id_ >= 0) {
3537     std::set<WebPluginDelegateProxy*>::iterator it;
3538     for (it = plugin_delegates_.begin();
3539           it != plugin_delegates_.end(); ++it) {
3540       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3541     }
3542     return;
3543   }
3544 #endif  // OS_WIN
3545 #endif  // ENABLE_PLUGINS
3546   if (replacement_range.IsValid() && webview()) {
3547     // Select the text in |replacement_range|, it will then be replaced by
3548     // text added by the call to RenderWidget::OnImeConfirmComposition().
3549     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3550       WebRange webrange = WebRange::fromDocumentRange(
3551           frame, replacement_range.start(), replacement_range.length());
3552       if (!webrange.isNull())
3553         frame->selectRange(webrange);
3554     }
3555   }
3556   RenderWidget::OnImeConfirmComposition(text,
3557                                         replacement_range,
3558                                         keep_selection);
3559 }
3560
3561 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3562   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3563   if (webview()) {
3564     webview()->setDeviceScaleFactor(device_scale_factor);
3565     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3566         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3567   }
3568   if (auto_resize_mode_)
3569     AutoResizeCompositor();
3570
3571   if (BrowserPluginManager::Get())
3572     BrowserPluginManager::Get()->UpdateDeviceScaleFactor();
3573 }
3574
3575 bool RenderViewImpl::SetDeviceColorProfile(
3576     const std::vector<char>& profile) {
3577   bool changed = RenderWidget::SetDeviceColorProfile(profile);
3578   if (changed && webview()) {
3579     WebVector<char> colorProfile = profile;
3580     webview()->setDeviceColorProfile(colorProfile);
3581   }
3582   return changed;
3583 }
3584
3585 void RenderViewImpl::ResetDeviceColorProfileForTesting() {
3586   RenderWidget::ResetDeviceColorProfileForTesting();
3587   if (webview())
3588     webview()->resetDeviceColorProfile();
3589 }
3590
3591 ui::TextInputType RenderViewImpl::GetTextInputType() {
3592 #if defined(ENABLE_PLUGINS)
3593   if (focused_pepper_plugin_)
3594     return focused_pepper_plugin_->text_input_type();
3595 #endif
3596   return RenderWidget::GetTextInputType();
3597 }
3598
3599 void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
3600 #if defined(ENABLE_PLUGINS)
3601   if (focused_pepper_plugin_) {
3602     // TODO(kinaba) http://crbug.com/101101
3603     // Current Pepper IME API does not handle selection bounds. So we simply
3604     // use the caret position as an empty range for now. It will be updated
3605     // after Pepper API equips features related to surrounding text retrieval.
3606     gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
3607     *start = caret;
3608     *end = caret;
3609     return;
3610   }
3611 #endif
3612   RenderWidget::GetSelectionBounds(start, end);
3613 }
3614
3615 void RenderViewImpl::FocusChangeComplete() {
3616   RenderWidget::FocusChangeComplete();
3617   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
3618 }
3619
3620 void RenderViewImpl::GetCompositionCharacterBounds(
3621     std::vector<gfx::Rect>* bounds) {
3622   DCHECK(bounds);
3623   bounds->clear();
3624
3625 #if defined(ENABLE_PLUGINS)
3626   if (focused_pepper_plugin_) {
3627     return;
3628   }
3629 #endif
3630
3631   if (!webview())
3632     return;
3633   size_t start_offset = 0;
3634   size_t character_count = 0;
3635   if (!webview()->compositionRange(&start_offset, &character_count))
3636     return;
3637   if (character_count == 0)
3638     return;
3639
3640   blink::WebFrame* frame = webview()->focusedFrame();
3641   if (!frame)
3642     return;
3643
3644   bounds->reserve(character_count);
3645   blink::WebRect webrect;
3646   for (size_t i = 0; i < character_count; ++i) {
3647     if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
3648       DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
3649       bounds->clear();
3650       return;
3651     }
3652     bounds->push_back(webrect);
3653   }
3654 }
3655
3656 void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
3657 #if defined(ENABLE_PLUGINS)
3658   if (focused_pepper_plugin_) {
3659     return;
3660   }
3661 #endif
3662   RenderWidget::GetCompositionRange(range);
3663 }
3664
3665 bool RenderViewImpl::CanComposeInline() {
3666 #if defined(ENABLE_PLUGINS)
3667   if (focused_pepper_plugin_)
3668     return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
3669 #endif
3670   return true;
3671 }
3672
3673 void RenderViewImpl::DidCompletePageScaleAnimation() {
3674   FocusChangeComplete();
3675 }
3676
3677 void RenderViewImpl::SetScreenMetricsEmulationParameters(
3678     float device_scale_factor,
3679     const gfx::Point& root_layer_offset,
3680     float root_layer_scale) {
3681   if (webview() && compositor()) {
3682     webview()->setCompositorDeviceScaleFactorOverride(device_scale_factor);
3683     webview()->setRootLayerTransform(
3684         blink::WebSize(root_layer_offset.x(), root_layer_offset.y()),
3685         root_layer_scale);
3686   }
3687 }
3688
3689 bool RenderViewImpl::ScheduleFileChooser(
3690     const FileChooserParams& params,
3691     WebFileChooserCompletion* completion) {
3692   static const size_t kMaximumPendingFileChooseRequests = 4;
3693   if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
3694     // This sanity check prevents too many file choose requests from getting
3695     // queued which could DoS the user. Getting these is most likely a
3696     // programming error (there are many ways to DoS the user so it's not
3697     // considered a "real" security check), either in JS requesting many file
3698     // choosers to pop up, or in a plugin.
3699     //
3700     // TODO(brettw) we might possibly want to require a user gesture to open
3701     // a file picker, which will address this issue in a better way.
3702     return false;
3703   }
3704
3705   file_chooser_completions_.push_back(linked_ptr<PendingFileChooser>(
3706       new PendingFileChooser(params, completion)));
3707   if (file_chooser_completions_.size() == 1) {
3708     // Actually show the browse dialog when this is the first request.
3709     Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
3710   }
3711   return true;
3712 }
3713
3714 blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
3715   if (!speech_recognition_dispatcher_)
3716     speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
3717   return speech_recognition_dispatcher_;
3718 }
3719
3720 void RenderViewImpl::zoomLimitsChanged(double minimum_level,
3721                                        double maximum_level) {
3722   int minimum_percent = static_cast<int>(
3723       ZoomLevelToZoomFactor(minimum_level) * 100);
3724   int maximum_percent = static_cast<int>(
3725       ZoomLevelToZoomFactor(maximum_level) * 100);
3726
3727   Send(new ViewHostMsg_UpdateZoomLimits(
3728       routing_id_, minimum_percent, maximum_percent));
3729 }
3730
3731 void RenderViewImpl::zoomLevelChanged() {
3732   double zoom_level = webview()->zoomLevel();
3733
3734   // Do not send empty URLs to the browser when we are just setting the default
3735   // zoom level (from RendererPreferences) before the first navigation.
3736   if (!webview()->mainFrame()->document().url().isEmpty()) {
3737     // Tell the browser which url got zoomed so it can update the menu and the
3738     // saved values if necessary
3739     Send(new ViewHostMsg_DidZoomURL(
3740         routing_id_, zoom_level,
3741         GURL(webview()->mainFrame()->document().url())));
3742   }
3743 }
3744
3745 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3746   return ZoomLevelToZoomFactor(zoom_level);
3747 }
3748
3749 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3750   return ZoomFactorToZoomLevel(factor);
3751 }
3752
3753 void RenderViewImpl::registerProtocolHandler(const WebString& scheme,
3754                                              const WebURL& url,
3755                                              const WebString& title) {
3756   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3757   Send(new ViewHostMsg_RegisterProtocolHandler(routing_id_,
3758                                                base::UTF16ToUTF8(scheme),
3759                                                url,
3760                                                title,
3761                                                user_gesture));
3762 }
3763
3764 void RenderViewImpl::unregisterProtocolHandler(const WebString& scheme,
3765                                                const WebURL& url) {
3766   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3767   Send(new ViewHostMsg_UnregisterProtocolHandler(routing_id_,
3768                                                  base::UTF16ToUTF8(scheme),
3769                                                  url,
3770                                                  user_gesture));
3771 }
3772
3773 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3774   blink::WebPageVisibilityState current_state = is_hidden() ?
3775       blink::WebPageVisibilityStateHidden :
3776       blink::WebPageVisibilityStateVisible;
3777   blink::WebPageVisibilityState override_state = current_state;
3778   // TODO(jam): move this method to WebFrameClient.
3779   if (GetContentClient()->renderer()->
3780           ShouldOverridePageVisibilityState(main_render_frame_.get(),
3781                                             &override_state))
3782     return override_state;
3783   return current_state;
3784 }
3785
3786 void RenderViewImpl::draggableRegionsChanged() {
3787   FOR_EACH_OBSERVER(
3788       RenderViewObserver,
3789       observers_,
3790       DraggableRegionsChanged(webview()->mainFrame()));
3791 }
3792
3793 #if defined(OS_ANDROID)
3794 WebContentDetectionResult RenderViewImpl::detectContentAround(
3795     const WebHitTestResult& touch_hit) {
3796   DCHECK(touch_hit.node().isTextNode());
3797
3798   // Process the position with all the registered content detectors until
3799   // a match is found. Priority is provided by their relative order.
3800   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3801       it != content_detectors_.end(); ++it) {
3802     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3803     if (content.valid) {
3804       return WebContentDetectionResult(content.content_boundaries,
3805           base::UTF8ToUTF16(content.text), content.intent_url);
3806     }
3807   }
3808   return WebContentDetectionResult();
3809 }
3810
3811 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3812   // Introduce a short delay so that the user can notice the content.
3813   base::MessageLoop::current()->PostDelayedTask(
3814       FROM_HERE,
3815       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3816                  AsWeakPtr(),
3817                  intent,
3818                  expected_content_intent_id_),
3819       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3820 }
3821
3822 void RenderViewImpl::cancelScheduledContentIntents() {
3823   ++expected_content_intent_id_;
3824 }
3825
3826 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3827                                                 size_t request_id) {
3828   if (request_id != expected_content_intent_id_)
3829     return;
3830
3831   // Remove the content highlighting if any.
3832   scheduleComposite();
3833
3834   if (!intent.is_empty())
3835     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3836 }
3837
3838 bool RenderViewImpl::openDateTimeChooser(
3839     const blink::WebDateTimeChooserParams& params,
3840     blink::WebDateTimeChooserCompletion* completion) {
3841   // JavaScript may try to open a date time chooser while one is already open.
3842   if (date_time_picker_client_)
3843     return false;
3844   date_time_picker_client_.reset(
3845       new RendererDateTimePicker(this, params, completion));
3846   return date_time_picker_client_->Open();
3847 }
3848
3849 void RenderViewImpl::DismissDateTimeDialog() {
3850   DCHECK(date_time_picker_client_);
3851   date_time_picker_client_.reset(NULL);
3852 }
3853
3854 #endif  // defined(OS_ANDROID)
3855
3856 void RenderViewImpl::OnShowContextMenu(
3857     ui::MenuSourceType source_type, const gfx::Point& location) {
3858   context_menu_source_type_ = source_type;
3859   has_host_context_menu_location_ = true;
3860   host_context_menu_location_ = location;
3861   if (webview())
3862     webview()->showContextMenu();
3863   has_host_context_menu_location_ = false;
3864 }
3865
3866 void RenderViewImpl::OnEnableViewSourceMode() {
3867   if (!webview())
3868     return;
3869   WebFrame* main_frame = webview()->mainFrame();
3870   if (!main_frame)
3871     return;
3872   main_frame->enableViewSourceMode(true);
3873 }
3874
3875 #if defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
3876 bool RenderViewImpl::didTapMultipleTargets(
3877     const WebSize& inner_viewport_offset,
3878     const WebRect& touch_rect,
3879     const WebVector<WebRect>& target_rects) {
3880   if (!switches::IsLinkDisambiguationPopupEnabled())
3881     return false;
3882
3883   // Never show a disambiguation popup when accessibility is enabled,
3884   // as this interferes with "touch exploration".
3885   AccessibilityMode accessibility_mode =
3886       GetMainRenderFrame()->accessibility_mode();
3887   bool matches_accessibility_mode_complete =
3888       (accessibility_mode & AccessibilityModeComplete) ==
3889           AccessibilityModeComplete;
3890   if (matches_accessibility_mode_complete)
3891     return false;
3892
3893   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3894   // reference frame.
3895   gfx::Rect zoom_rect;
3896   float new_total_scale =
3897       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3898           touch_rect, target_rects, GetSize(),
3899           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3900           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3901   if (!new_total_scale || zoom_rect.IsEmpty())
3902     return false;
3903
3904   bool handled = false;
3905   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3906     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3907       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3908       break;
3909     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3910       gfx::Size canvas_size =
3911           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3912       cc::SharedBitmapManager* manager =
3913           RenderThreadImpl::current()->shared_bitmap_manager();
3914       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3915           manager->AllocateSharedBitmap(canvas_size);
3916       CHECK(!!shared_bitmap);
3917       {
3918         SkBitmap bitmap;
3919         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3920                                                       canvas_size.height());
3921         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3922         SkCanvas canvas(bitmap);
3923
3924         // TODO(trchen): Cleanup the device scale factor mess.
3925         // device scale will be applied in WebKit
3926         // --> zoom_rect doesn't include device scale,
3927         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3928         canvas.scale(new_total_scale / device_scale_factor_,
3929                      new_total_scale / device_scale_factor_);
3930         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3931                          -zoom_rect.y() * device_scale_factor_);
3932
3933         DCHECK(webwidget_->isAcceleratedCompositingActive());
3934         // TODO(aelias): The disambiguation popup should be composited so we
3935         // don't have to call this method.
3936         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3937       }
3938
3939       gfx::Rect zoom_rect_in_screen =
3940           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3941                                     inner_viewport_offset.height);
3942
3943       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3944           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3945
3946       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3947                                                    physical_window_zoom_rect,
3948                                                    canvas_size,
3949                                                    shared_bitmap->id()));
3950       cc::SharedBitmapId id = shared_bitmap->id();
3951       disambiguation_bitmaps_[id] = shared_bitmap.release();
3952       handled = true;
3953       break;
3954     }
3955     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3956       // No-op.
3957       break;
3958   }
3959
3960   return handled;
3961 }
3962 #endif  // defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
3963
3964 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3965   return history_list_length_;
3966 }
3967
3968 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3969   if (enable) {
3970     if (has_focus())
3971       return;
3972     OnSetActive(true);
3973     OnSetFocus(true);
3974   } else {
3975     if (!has_focus())
3976       return;
3977     OnSetFocus(false);
3978     OnSetActive(false);
3979   }
3980 }
3981
3982 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3983   ViewMsg_Resize_Params params;
3984   params.screen_info = screen_info_;
3985   params.screen_info.deviceScaleFactor = factor;
3986   params.new_size = size();
3987   params.visible_viewport_size = visible_viewport_size_;
3988   params.physical_backing_size =
3989       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3990   params.top_controls_shrink_blink_size = false;
3991   params.top_controls_height = 0.f;
3992   params.resizer_rect = WebRect();
3993   params.is_fullscreen = is_fullscreen();
3994   OnResize(params);
3995 }
3996
3997 void RenderViewImpl::SetDeviceColorProfileForTesting(
3998     const std::vector<char>& color_profile) {
3999   SetDeviceColorProfile(color_profile);
4000 }
4001
4002 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
4003   gfx::Rect new_window_rect(rootWindowRect().x,
4004                             rootWindowRect().y,
4005                             new_size.width(),
4006                             new_size.height());
4007   SetWindowRectSynchronously(new_window_rect);
4008 }
4009
4010 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
4011   resizing_mode_selector_->set_is_synchronous_mode(enable);
4012 }
4013
4014 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
4015                                                 const gfx::Size& max_size) {
4016   OnEnableAutoResize(min_size, max_size);
4017 }
4018
4019 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
4020   OnDisableAutoResize(new_size);
4021 }
4022
4023 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
4024     const cc::SharedBitmapId& id) {
4025   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
4026   DCHECK(it != disambiguation_bitmaps_.end());
4027   delete it->second;
4028   disambiguation_bitmaps_.erase(it);
4029 }
4030
4031 void RenderViewImpl::DidCommitCompositorFrame() {
4032   RenderWidget::DidCommitCompositorFrame();
4033   if (BrowserPluginManager::Get())
4034     BrowserPluginManager::Get()->DidCommitCompositorFrame(GetRoutingID());
4035   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
4036 }
4037
4038 void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
4039   if (!urls.empty())
4040     Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
4041 }
4042
4043 void RenderViewImpl::DidStopLoadingIcons() {
4044   int icon_types = WebIconURL::TypeFavicon;
4045   if (TouchEnabled())
4046     icon_types |= WebIconURL::TypeTouchPrecomposed | WebIconURL::TypeTouch;
4047
4048   // Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
4049   // just return early.
4050   if (webview()->mainFrame()->isWebRemoteFrame())
4051     return;
4052
4053   WebVector<WebIconURL> icon_urls =
4054       webview()->mainFrame()->iconURLs(icon_types);
4055
4056   std::vector<FaviconURL> urls;
4057   for (size_t i = 0; i < icon_urls.size(); i++) {
4058     WebURL url = icon_urls[i].iconURL();
4059     std::vector<gfx::Size> sizes;
4060     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
4061     if (!url.isEmpty())
4062       urls.push_back(
4063           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
4064   }
4065   SendUpdateFaviconURL(urls);
4066 }
4067
4068 }  // namespace content