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/v8_value_converter_impl.h"
  41 #include "content/child/webmessageportchannel_impl.h"
  42 #include "content/common/content_constants_internal.h"
  43 #include "content/common/database_messages.h"
  44 #include "content/common/dom_storage/dom_storage_types.h"
  45 #include "content/common/drag_messages.h"
  46 #include "content/common/frame_messages.h"
  47 #include "content/common/frame_replication_state.h"
  48 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  49 #include "content/common/input_messages.h"
  50 #include "content/common/pepper_messages.h"
  51 #include "content/common/ssl_status_serialization.h"
  52 #include "content/common/view_messages.h"
  53 #include "content/public/common/bindings_policy.h"
  54 #include "content/public/common/content_client.h"
  55 #include "content/public/common/content_constants.h"
  56 #include "content/public/common/content_switches.h"
  57 #include "content/public/common/drop_data.h"
  58 #include "content/public/common/favicon_url.h"
  59 #include "content/public/common/file_chooser_file_info.h"
  60 #include "content/public/common/file_chooser_params.h"
  61 #include "content/public/common/page_state.h"
  62 #include "content/public/common/page_zoom.h"
  63 #include "content/public/common/ssl_status.h"
  64 #include "content/public/common/three_d_api_types.h"
  65 #include "content/public/common/url_constants.h"
  66 #include "content/public/common/url_utils.h"
  67 #include "content/public/common/web_preferences.h"
  68 #include "content/public/renderer/content_renderer_client.h"
  69 #include "content/public/renderer/document_state.h"
  70 #include "content/public/renderer/navigation_state.h"
  71 #include "content/public/renderer/render_view_observer.h"
  72 #include "content/public/renderer/render_view_visitor.h"
  73 #include "content/renderer/browser_plugin/browser_plugin.h"
  74 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  75 #include "content/renderer/devtools/devtools_agent.h"
  76 #include "content/renderer/disambiguation_popup_helper.h"
  77 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
  78 #include "content/renderer/drop_data_builder.h"
  79 #include "content/renderer/gpu/gpu_benchmarking_extension.h"
  80 #include "content/renderer/gpu/render_widget_compositor.h"
  81 #include "content/renderer/history_controller.h"
  82 #include "content/renderer/history_serialization.h"
  83 #include "content/renderer/idle_user_detector.h"
  84 #include "content/renderer/ime_event_guard.h"
  85 #include "content/renderer/input/input_handler_manager.h"
  86 #include "content/renderer/internal_document_state_data.h"
  87 #include "content/renderer/media/audio_device_factory.h"
  88 #include "content/renderer/media/video_capture_impl_manager.h"
  89 #include "content/renderer/memory_benchmarking_extension.h"
  90 #include "content/renderer/mhtml_generator.h"
  91 #include "content/renderer/net_info_helper.h"
  92 #include "content/renderer/render_frame_impl.h"
  93 #include "content/renderer/render_frame_proxy.h"
  94 #include "content/renderer/render_process.h"
  95 #include "content/renderer/render_thread_impl.h"
  96 #include "content/renderer/render_view_mouse_lock_dispatcher.h"
  97 #include "content/renderer/render_widget_fullscreen_pepper.h"
  98 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
  99 #include "content/renderer/resizing_mode_selector.h"
 100 #include "content/renderer/savable_resources.h"
 101 #include "content/renderer/skia_benchmarking_extension.h"
 102 #include "content/renderer/speech_recognition_dispatcher.h"
 103 #include "content/renderer/stats_collection_controller.h"
 104 #include "content/renderer/stats_collection_observer.h"
 105 #include "content/renderer/text_input_client_observer.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/gpu_video_accelerator_factories.h"
 113 #include "media/renderers/audio_renderer_impl.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_(TOP_CONTROLS_STATE_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::trace_event::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->setImageAnimationPolicy(
1069       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
1070
1071   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
1072   web_view->setDefaultPageScaleLimits(
1073       prefs.default_minimum_page_scale_factor,
1074       prefs.default_maximum_page_scale_factor);
1075
1076 #if defined(OS_ANDROID)
1077   settings->setAllowCustomScrollbarInMainFrame(false);
1078   settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
1079   settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
1080   settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
1081   settings->setFullscreenSupported(prefs.fullscreen_supported);
1082   web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
1083   settings->setAutoZoomFocusedNodeToLegibleScale(true);
1084   settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
1085   settings->setMediaControlsOverlayPlayButtonEnabled(true);
1086   settings->setMediaPlaybackRequiresUserGesture(
1087       prefs.user_gesture_required_for_media_playback);
1088   settings->setDefaultVideoPosterURL(
1089         base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
1090   settings->setSupportDeprecatedTargetDensityDPI(
1091       prefs.support_deprecated_target_density_dpi);
1092   settings->setUseLegacyBackgroundSizeShorthandBehavior(
1093       prefs.use_legacy_background_size_shorthand_behavior);
1094   settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
1095   settings->setUseWideViewport(prefs.use_wide_viewport);
1096   settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
1097   settings->setViewportMetaLayoutSizeQuirk(
1098       prefs.viewport_meta_layout_size_quirk);
1099   settings->setViewportMetaMergeContentQuirk(
1100       prefs.viewport_meta_merge_content_quirk);
1101   settings->setViewportMetaNonUserScalableQuirk(
1102       prefs.viewport_meta_non_user_scalable_quirk);
1103   settings->setViewportMetaZeroValuesQuirk(
1104       prefs.viewport_meta_zero_values_quirk);
1105   settings->setClobberUserAgentInitialScaleQuirk(
1106       prefs.clobber_user_agent_initial_scale_quirk);
1107   settings->setIgnoreMainFrameOverflowHiddenQuirk(
1108       prefs.ignore_main_frame_overflow_hidden_quirk);
1109   settings->setReportScreenSizeInPhysicalPixelsQuirk(
1110       prefs.report_screen_size_in_physical_pixels_quirk);
1111
1112   bool record_full_layer =
1113       RenderViewImpl::FromWebView(web_view)
1114           ? RenderViewImpl::FromWebView(web_view)->DoesRecordFullLayer()
1115           : false;
1116   settings->setMainFrameClipsContent(!record_full_layer);
1117
1118   settings->setShrinksStandaloneImagesToFit(false);
1119   settings->setShrinksViewportContentToFit(true);
1120 #endif
1121
1122   WebNetworkStateNotifier::setOnLine(prefs.is_online);
1123   WebNetworkStateNotifier::setWebConnectionType(
1124       NetConnectionTypeToWebConnectionType(prefs.connection_type));
1125   settings->setPinchVirtualViewportEnabled(
1126       prefs.pinch_virtual_viewport_enabled);
1127
1128   settings->setPinchOverlayScrollbarThickness(
1129       prefs.pinch_overlay_scrollbar_thickness);
1130   settings->setRubberBandingOnCompositorThread(
1131       prefs.rubber_banding_on_compositor_thread);
1132   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
1133
1134 #if defined(OS_WIN)
1135   settings->setShowContextMenuOnMouseUp(true);
1136 #endif
1137
1138 #if defined(OS_MACOSX)
1139   settings->setDoubleTapToZoomEnabled(true);
1140   web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
1141 #endif
1142 }
1143
1144 /*static*/
1145 RenderViewImpl* RenderViewImpl::Create(const ViewMsg_New_Params& params,
1146                                        CompositorDependencies* compositor_deps,
1147                                        bool was_created_by_renderer) {
1148   DCHECK(params.view_id != MSG_ROUTING_NONE);
1149   RenderViewImpl* render_view = NULL;
1150   if (g_create_render_view_impl)
1151     render_view = g_create_render_view_impl(params);
1152   else
1153     render_view = new RenderViewImpl(params);
1154
1155   render_view->Initialize(params, compositor_deps, was_created_by_renderer);
1156   return render_view;
1157 }
1158
1159 // static
1160 void RenderViewImpl::InstallCreateHook(
1161     RenderViewImpl* (*create_render_view_impl)(const ViewMsg_New_Params&)) {
1162   CHECK(!g_create_render_view_impl);
1163   g_create_render_view_impl = create_render_view_impl;
1164 }
1165
1166 void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
1167   observers_.AddObserver(observer);
1168 }
1169
1170 void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
1171   observer->RenderViewGone();
1172   observers_.RemoveObserver(observer);
1173 }
1174
1175 blink::WebView* RenderViewImpl::webview() const {
1176   return static_cast<blink::WebView*>(webwidget());
1177 }
1178
1179 #if defined(ENABLE_PLUGINS)
1180 void RenderViewImpl::PepperInstanceCreated(
1181     PepperPluginInstanceImpl* instance) {
1182   active_pepper_instances_.insert(instance);
1183 }
1184
1185 void RenderViewImpl::PepperInstanceDeleted(
1186     PepperPluginInstanceImpl* instance) {
1187   active_pepper_instances_.erase(instance);
1188
1189   if (pepper_last_mouse_event_target_ == instance)
1190     pepper_last_mouse_event_target_ = NULL;
1191   if (focused_pepper_plugin_ == instance)
1192     PepperFocusChanged(instance, false);
1193 }
1194
1195 void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
1196                                         bool focused) {
1197   if (focused)
1198     focused_pepper_plugin_ = instance;
1199   else if (focused_pepper_plugin_ == instance)
1200     focused_pepper_plugin_ = NULL;
1201
1202   UpdateTextInputType();
1203   UpdateSelectionBounds();
1204 }
1205
1206 void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
1207   plugin_delegates_.insert(delegate);
1208   // If the renderer is visible, set initial visibility and focus state.
1209   if (!is_hidden()) {
1210 #if defined(OS_MACOSX)
1211     delegate->SetContainerVisibility(true);
1212     if (webview() && webview()->isActive())
1213       delegate->SetWindowFocus(true);
1214 #endif
1215   }
1216   // Plugins start assuming the content has focus (so that they work in
1217   // environments where RenderView isn't hosting them), so we always have to
1218   // set the initial state. See webplugin_delegate_impl.h for details.
1219   delegate->SetContentAreaFocus(has_focus());
1220 }
1221
1222 void RenderViewImpl::UnregisterPluginDelegate(
1223     WebPluginDelegateProxy* delegate) {
1224   plugin_delegates_.erase(delegate);
1225 }
1226
1227 #if defined(OS_WIN)
1228 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1229   if (focused)
1230     focused_plugin_id_ = plugin_id;
1231   else
1232     focused_plugin_id_ = -1;
1233 }
1234 #endif
1235
1236 #if defined(OS_MACOSX)
1237 void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
1238   Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
1239 }
1240
1241 void RenderViewImpl::OnGetRenderedText() {
1242   if (!webview())
1243     return;
1244   // Get rendered text from WebLocalFrame.
1245   // TODO: Currently IPC truncates any data that has a
1246   // size > kMaximumMessageSize. May be split the text into smaller chunks and
1247   // send back using multiple IPC. See http://crbug.com/393444.
1248   static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
1249   std::string text = webview()->mainFrame()->contentAsText(
1250       kMaximumMessageSize).utf8();
1251
1252   Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
1253 }
1254
1255 void RenderViewImpl::StartPluginIme() {
1256   IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
1257   // This message can be sent during event-handling, and needs to be delivered
1258   // within that context.
1259   msg->set_unblock(true);
1260   Send(msg);
1261 }
1262 #endif  // defined(OS_MACOSX)
1263
1264 #endif  // ENABLE_PLUGINS
1265
1266 void RenderViewImpl::TransferActiveWheelFlingAnimation(
1267     const blink::WebActiveWheelFlingParameters& params) {
1268   if (webview())
1269     webview()->transferActiveWheelFlingAnimation(params);
1270 }
1271
1272 bool RenderViewImpl::HasIMETextFocus() {
1273   return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
1274 }
1275
1276 bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
1277   WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
1278   if (main_frame && main_frame->isWebLocalFrame())
1279     GetContentClient()->SetActiveURL(main_frame->document().url());
1280
1281   ObserverListBase<RenderViewObserver>::Iterator it(observers_);
1282   RenderViewObserver* observer;
1283   while ((observer = it.GetNext()) != NULL)
1284     if (observer->OnMessageReceived(message))
1285       return true;
1286
1287   bool handled = true;
1288   IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
1289     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
1290     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
1291     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
1292                         OnScrollFocusedEditableNodeIntoRect)
1293     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
1294                         OnSetEditCommandsForNextKeyEvent)
1295     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
1296     IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
1297     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
1298     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
1299     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
1300     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
1301                         OnSetZoomLevelForLoadingURL)
1302     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
1303                         OnSetZoomLevelForView)
1304     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
1305     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
1306                         OnResetPageEncodingToDefault)
1307     IPC_MESSAGE_HANDLER(ViewMsg_PostMessageEvent, OnPostMessageEvent)
1308     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
1309     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
1310     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
1311     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
1312     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
1313     IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
1314                         OnDragSourceSystemDragEnded)
1315     IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
1316     IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
1317     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
1318     IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
1319     IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
1320                         OnEnumerateDirectoryResponse)
1321     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
1322     IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
1323                         OnSuppressDialogsUntilSwapOut)
1324     IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
1325     IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
1326     IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
1327     IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
1328     IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
1329     IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
1330                         OnEnablePreferredSizeChangedMode)
1331     IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
1332     IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
1333     IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
1334                         OnDisableScrollbarsForSmallWindows)
1335     IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
1336     IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
1337     IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
1338     IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
1339     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
1340                         OnGetAllSavableResourceLinksForCurrentPage)
1341     IPC_MESSAGE_HANDLER(
1342         ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
1343         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
1344     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
1345     // TODO(viettrungluu): Move to a separate message filter.
1346     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
1347                         OnSetHistoryOffsetAndLength)
1348     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
1349     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
1350                         OnReleaseDisambiguationPopupBitmap)
1351     IPC_MESSAGE_HANDLER(ViewMsg_WindowSnapshotCompleted,
1352                         OnWindowSnapshotCompleted)
1353     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
1354     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
1355 #if defined(OS_ANDROID)
1356     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
1357                         OnActivateNearestFindResult)
1358     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
1359     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
1360                         OnUpdateTopControlsState)
1361     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
1362 #elif defined(OS_MACOSX)
1363     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
1364                         OnGetRenderedText)
1365     IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
1366                         OnPluginImeCompositionCompleted)
1367     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
1368     IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
1369     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
1370 #endif
1371     // Adding a new message? Add platform independent ones first, then put the
1372     // platform specific ones at the end.
1373
1374     // Have the super handle all other messages.
1375     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
1376   IPC_END_MESSAGE_MAP()
1377
1378   return handled;
1379 }
1380
1381 void RenderViewImpl::OnSelectWordAroundCaret() {
1382   if (!webview())
1383     return;
1384
1385   handling_input_event_ = true;
1386   webview()->focusedFrame()->selectWordAroundCaret();
1387   handling_input_event_ = false;
1388 }
1389
1390 void RenderViewImpl::OnCopyImageAt(int x, int y) {
1391   webview()->copyImageAt(WebPoint(x, y));
1392 }
1393
1394 void RenderViewImpl::OnSaveImageAt(int x, int y) {
1395   webview()->saveImageAt(WebPoint(x, y));
1396 }
1397
1398 void RenderViewImpl::OnUpdateTargetURLAck() {
1399   // Check if there is a targeturl waiting to be sent.
1400   if (target_url_status_ == TARGET_PENDING)
1401     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
1402
1403   target_url_status_ = TARGET_NONE;
1404 }
1405
1406 void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
1407     const std::string& value) {
1408   if (!webview() || !webview()->focusedFrame())
1409     return;
1410
1411   webview()->focusedFrame()->executeCommand(
1412       WebString::fromUTF8(name), WebString::fromUTF8(value));
1413 }
1414
1415 void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
1416   if (!webview())
1417     return;
1418
1419   Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
1420
1421   webview()->focusedFrame()->moveCaretSelection(point);
1422 }
1423
1424 void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
1425     const gfx::Rect& rect) {
1426   if (has_scrolled_focused_editable_node_into_rect_ &&
1427       rect == rect_for_scrolled_focused_editable_node_) {
1428     FocusChangeComplete();
1429     return;
1430   }
1431
1432   blink::WebElement element = GetFocusedElement();
1433   bool will_animate = false;
1434   if (!element.isNull() && IsEditableNode(element)) {
1435     rect_for_scrolled_focused_editable_node_ = rect;
1436     has_scrolled_focused_editable_node_into_rect_ = true;
1437     will_animate = webview()->scrollFocusedNodeIntoRect(rect);
1438   }
1439
1440   if (!will_animate)
1441     FocusChangeComplete();
1442 }
1443
1444 void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
1445     const EditCommands& edit_commands) {
1446   edit_commands_ = edit_commands;
1447 }
1448
1449 void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
1450                                                  int history_length) {
1451   DCHECK_GE(history_offset, -1);
1452   DCHECK_GE(history_length, 0);
1453
1454   history_list_offset_ = history_offset;
1455   history_list_length_ = history_length;
1456 }
1457
1458 void RenderViewImpl::OnSetInitialFocus(bool reverse) {
1459   if (!webview())
1460     return;
1461   webview()->setInitialFocus(reverse);
1462 }
1463
1464 #if defined(OS_MACOSX)
1465 void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
1466   if (!webview())
1467     return;
1468   if (in_live_resize)
1469     webview()->willStartLiveResize();
1470   else
1471     webview()->willEndLiveResize();
1472 }
1473 #endif
1474
1475 ///////////////////////////////////////////////////////////////////////////////
1476
1477 // Sends the current history state to the browser so it will be saved before we
1478 // navigate to a new page.
1479 void RenderViewImpl::UpdateSessionHistory(WebFrame* frame) {
1480   // If we have a valid page ID at this point, then it corresponds to the page
1481   // we are navigating away from.  Otherwise, this is the first navigation, so
1482   // there is no past session history to record.
1483   if (page_id_ == -1)
1484     return;
1485   SendUpdateState(history_controller_->GetCurrentEntry());
1486 }
1487
1488 void RenderViewImpl::SendUpdateState(HistoryEntry* entry) {
1489   if (!entry)
1490     return;
1491
1492   // Don't send state updates for kSwappedOutURL.
1493   if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
1494     return;
1495
1496   Send(new ViewHostMsg_UpdateState(
1497       routing_id_, page_id_, HistoryEntryToPageState(entry)));
1498 }
1499
1500 bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
1501   // Before WebKit asks us to show an alert (etc.), it takes care of doing the
1502   // equivalent of WebView::willEnterModalLoop.  In the case of showModalDialog
1503   // it is particularly important that we do not call willEnterModalLoop as
1504   // that would defer resource loads for the dialog itself.
1505   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
1506     RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
1507
1508   message->EnableMessagePumping();  // Runs a nested message loop.
1509   return Send(message);
1510 }
1511
1512 void RenderViewImpl::GetWindowSnapshot(const WindowSnapshotCallback& callback) {
1513   int id = next_snapshot_id_++;
1514   pending_snapshots_.insert(std::make_pair(id, callback));
1515   ui::LatencyInfo latency_info;
1516   latency_info.AddLatencyNumber(ui::WINDOW_OLD_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1517                                 0,
1518                                 id);
1519   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1520   if (RenderWidgetCompositor* rwc = compositor()) {
1521     latency_info_swap_promise_monitor =
1522         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1523   }
1524   ScheduleCompositeWithForcedRedraw();
1525 }
1526
1527 void RenderViewImpl::OnForceRedraw(int id) {
1528   ui::LatencyInfo latency_info;
1529   if (id) {
1530     latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
1531                                   0,
1532                                   id);
1533   }
1534   scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
1535   if (RenderWidgetCompositor* rwc = compositor()) {
1536     latency_info_swap_promise_monitor =
1537         rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
1538   }
1539   ScheduleCompositeWithForcedRedraw();
1540 }
1541
1542 void RenderViewImpl::OnWindowSnapshotCompleted(const int snapshot_id,
1543     const gfx::Size& size, const std::vector<unsigned char>& png) {
1544
1545   // Any pending snapshots with a lower ID than the one received are considered
1546   // to be implicitly complete, and returned the same snapshot data.
1547   PendingSnapshotMap::iterator it = pending_snapshots_.begin();
1548   while(it != pending_snapshots_.end()) {
1549       if (it->first <= snapshot_id) {
1550         it->second.Run(size, png);
1551         pending_snapshots_.erase(it++);
1552       } else {
1553         ++it;
1554       }
1555   }
1556 }
1557
1558 // blink::WebViewClient ------------------------------------------------------
1559
1560 WebView* RenderViewImpl::createView(WebLocalFrame* creator,
1561                                     const WebURLRequest& request,
1562                                     const WebWindowFeatures& features,
1563                                     const WebString& frame_name,
1564                                     WebNavigationPolicy policy,
1565                                     bool suppress_opener) {
1566   ViewHostMsg_CreateWindow_Params params;
1567   params.opener_id = routing_id_;
1568   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
1569   if (GetContentClient()->renderer()->AllowPopup())
1570     params.user_gesture = true;
1571   params.window_container_type = WindowFeaturesToContainerType(features);
1572   params.session_storage_namespace_id = session_storage_namespace_id_;
1573   if (frame_name != "_blank")
1574     params.frame_name = frame_name;
1575   params.opener_render_frame_id =
1576       RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
1577   params.opener_url = creator->document().url();
1578   params.opener_top_level_frame_url = creator->top()->document().url();
1579   GURL security_url(creator->document().securityOrigin().toString());
1580   if (!security_url.is_valid())
1581     security_url = GURL();
1582   params.opener_security_origin = security_url;
1583   params.opener_suppressed = suppress_opener;
1584   params.disposition = NavigationPolicyToDisposition(policy);
1585   if (!request.isNull()) {
1586     params.target_url = request.url();
1587     params.referrer = GetReferrerFromRequest(creator, request);
1588   }
1589   params.features = features;
1590
1591   for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
1592     params.additional_features.push_back(features.additionalFeatures[i]);
1593
1594   int32 routing_id = MSG_ROUTING_NONE;
1595   int32 main_frame_routing_id = MSG_ROUTING_NONE;
1596   int32 surface_id = 0;
1597   int64 cloned_session_storage_namespace_id = 0;
1598
1599   RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(
1600       params, &routing_id, &main_frame_routing_id, &surface_id,
1601       &cloned_session_storage_namespace_id));
1602   if (routing_id == MSG_ROUTING_NONE)
1603     return NULL;
1604
1605   WebUserGestureIndicator::consumeUserGesture();
1606
1607   // While this view may be a background extension page, it can spawn a visible
1608   // render view. So we just assume that the new one is not another background
1609   // page instead of passing on our own value.
1610   // TODO(vangelis): Can we tell if the new view will be a background page?
1611   bool never_visible = false;
1612
1613   ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
1614   initial_size.screen_info = screen_info_;
1615
1616   // The initial hidden state for the RenderViewImpl here has to match what the
1617   // browser will eventually decide for the given disposition. Since we have to
1618   // return from this call synchronously, we just have to make our best guess
1619   // and rely on the browser sending a WasHidden / WasShown message if it
1620   // disagrees.
1621   ViewMsg_New_Params view_params;
1622   view_params.opener_route_id = routing_id_;
1623   view_params.window_was_created_with_opener = true;
1624   view_params.renderer_preferences = renderer_preferences_;
1625   view_params.web_preferences = webkit_preferences_;
1626   view_params.view_id = routing_id;
1627   view_params.main_frame_routing_id = main_frame_routing_id;
1628   view_params.surface_id = surface_id;
1629   view_params.session_storage_namespace_id =
1630       cloned_session_storage_namespace_id;
1631   // WebCore will take care of setting the correct name.
1632   view_params.frame_name = base::string16();
1633   view_params.swapped_out = false;
1634   view_params.replicated_frame_state = FrameReplicationState();
1635   view_params.proxy_routing_id = MSG_ROUTING_NONE;
1636   view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
1637   view_params.never_visible = never_visible;
1638   view_params.next_page_id = 1;
1639   view_params.initial_size = initial_size;
1640   view_params.enable_auto_resize = false;
1641   view_params.min_size = gfx::Size();
1642   view_params.max_size = gfx::Size();
1643
1644   RenderViewImpl* view =
1645       RenderViewImpl::Create(view_params, compositor_deps_, true);
1646   view->opened_by_user_gesture_ = params.user_gesture;
1647
1648   // Record whether the creator frame is trying to suppress the opener field.
1649   view->opener_suppressed_ = params.opener_suppressed;
1650
1651   return view->webview();
1652 }
1653
1654 WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
1655   RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
1656                                               popup_type, screen_info_);
1657   if (!widget)
1658     return NULL;
1659   if (screen_metrics_emulator_) {
1660     widget->SetPopupOriginAdjustmentsForEmulation(
1661         screen_metrics_emulator_.get());
1662   }
1663   return widget->webwidget();
1664 }
1665
1666 WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
1667   CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
1668   return new WebStorageNamespaceImpl(session_storage_namespace_id_);
1669 }
1670
1671 void RenderViewImpl::printPage(WebLocalFrame* frame) {
1672   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
1673                     PrintPage(frame, handling_input_event_));
1674 }
1675
1676 void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
1677   // Note: We should basically send GURL but we use size-limited string instead
1678   // in order to send a larger data url to save a image for <canvas> or <img>.
1679   if (data_url.length() < kMaxLengthOfDataURLString)
1680     Send(new ViewHostMsg_SaveImageFromDataURL(routing_id_, data_url.utf8()));
1681 }
1682
1683 bool RenderViewImpl::enumerateChosenDirectory(
1684     const WebString& path,
1685     WebFileChooserCompletion* chooser_completion) {
1686   int id = enumeration_completion_id_++;
1687   enumeration_completions_[id] = chooser_completion;
1688   return Send(new ViewHostMsg_EnumerateDirectory(
1689       routing_id_,
1690       id,
1691       base::FilePath::FromUTF16Unsafe(path)));
1692 }
1693
1694 void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
1695   DCHECK_GE(frames_in_progress_, 0);
1696   if (frames_in_progress_ == 0)
1697     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
1698   frames_in_progress_++;
1699 }
1700
1701 void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
1702   // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
1703   // calls DidStopLoading() without a matching DidStartLoading().
1704   if (frames_in_progress_ == 0)
1705     return;
1706   frames_in_progress_--;
1707   if (frames_in_progress_ == 0) {
1708     DidStopLoadingIcons();
1709     FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
1710   }
1711 }
1712
1713 void RenderViewImpl::didCancelCompositionOnSelectionChange() {
1714   Send(new InputHostMsg_ImeCancelComposition(routing_id()));
1715 }
1716
1717 bool RenderViewImpl::handleCurrentKeyboardEvent() {
1718   if (edit_commands_.empty())
1719     return false;
1720
1721   WebFrame* frame = webview()->focusedFrame();
1722   if (!frame)
1723     return false;
1724
1725   EditCommands::iterator it = edit_commands_.begin();
1726   EditCommands::iterator end = edit_commands_.end();
1727
1728   bool did_execute_command = false;
1729   for (; it != end; ++it) {
1730     // In gtk and cocoa, it's possible to bind multiple edit commands to one
1731     // key (but it's the exception). Once one edit command is not executed, it
1732     // seems safest to not execute the rest.
1733     if (!frame->executeCommand(WebString::fromUTF8(it->name),
1734                                WebString::fromUTF8(it->value),
1735                                GetFocusedElement()))
1736       break;
1737     did_execute_command = true;
1738   }
1739
1740   return did_execute_command;
1741 }
1742
1743 bool RenderViewImpl::runFileChooser(
1744     const blink::WebFileChooserParams& params,
1745     WebFileChooserCompletion* chooser_completion) {
1746   // Do not open the file dialog in a hidden RenderView.
1747   if (is_hidden())
1748     return false;
1749   FileChooserParams ipc_params;
1750   if (params.directory)
1751     ipc_params.mode = FileChooserParams::UploadFolder;
1752   else if (params.multiSelect)
1753     ipc_params.mode = FileChooserParams::OpenMultiple;
1754   else if (params.saveAs)
1755     ipc_params.mode = FileChooserParams::Save;
1756   else
1757     ipc_params.mode = FileChooserParams::Open;
1758   ipc_params.title = params.title;
1759   ipc_params.default_file_name =
1760       base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
1761   ipc_params.accept_types.reserve(params.acceptTypes.size());
1762   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
1763     ipc_params.accept_types.push_back(params.acceptTypes[i]);
1764   ipc_params.need_local_path = params.needLocalPath;
1765 #if defined(OS_ANDROID)
1766   ipc_params.capture = params.useMediaCapture;
1767 #endif
1768
1769   return ScheduleFileChooser(ipc_params, chooser_completion);
1770 }
1771
1772 void RenderViewImpl::SetValidationMessageDirection(
1773     base::string16* wrapped_main_text,
1774     blink::WebTextDirection main_text_hint,
1775     base::string16* wrapped_sub_text,
1776     blink::WebTextDirection sub_text_hint) {
1777   if (main_text_hint == blink::WebTextDirectionLeftToRight) {
1778     *wrapped_main_text =
1779         base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
1780   } else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
1781              !base::i18n::IsRTL()) {
1782     base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
1783   }
1784
1785   if (!wrapped_sub_text->empty()) {
1786     if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
1787       *wrapped_sub_text =
1788           base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
1789     } else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
1790       base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
1791     }
1792   }
1793 }
1794
1795 void RenderViewImpl::showValidationMessage(
1796     const blink::WebRect& anchor_in_root_view,
1797     const blink::WebString& main_text,
1798     blink::WebTextDirection main_text_hint,
1799     const blink::WebString& sub_text,
1800     blink::WebTextDirection sub_text_hint) {
1801   base::string16 wrapped_main_text = main_text;
1802   base::string16 wrapped_sub_text = sub_text;
1803
1804   SetValidationMessageDirection(
1805       &wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
1806
1807   Send(new ViewHostMsg_ShowValidationMessage(
1808       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view),
1809       wrapped_main_text, wrapped_sub_text));
1810 }
1811
1812 void RenderViewImpl::hideValidationMessage() {
1813   Send(new ViewHostMsg_HideValidationMessage(routing_id()));
1814 }
1815
1816 void RenderViewImpl::moveValidationMessage(
1817     const blink::WebRect& anchor_in_root_view) {
1818   Send(new ViewHostMsg_MoveValidationMessage(
1819       routing_id(), AdjustValidationMessageAnchor(anchor_in_root_view)));
1820 }
1821
1822 void RenderViewImpl::setStatusText(const WebString& text) {
1823 }
1824
1825 void RenderViewImpl::UpdateTargetURL(const GURL& url,
1826                                      const GURL& fallback_url) {
1827   GURL latest_url = url.is_empty() ? fallback_url : url;
1828   if (latest_url == target_url_)
1829     return;
1830
1831   // Tell the browser to display a destination link.
1832   if (target_url_status_ == TARGET_INFLIGHT ||
1833       target_url_status_ == TARGET_PENDING) {
1834     // If we have a request in-flight, save the URL to be sent when we
1835     // receive an ACK to the in-flight request. We can happily overwrite
1836     // any existing pending sends.
1837     pending_target_url_ = latest_url;
1838     target_url_status_ = TARGET_PENDING;
1839   } else {
1840     // URLs larger than |MaxURLChars()| cannot be sent through IPC -
1841     // see |ParamTraits<GURL>|.
1842     if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
1843       latest_url = GURL();
1844     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
1845     target_url_ = latest_url;
1846     target_url_status_ = TARGET_INFLIGHT;
1847   }
1848 }
1849
1850 gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
1851     const gfx::RectF& rect) const {
1852   gfx::RectF window_rect = rect;
1853   window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
1854   return window_rect;
1855 }
1856
1857 void RenderViewImpl::StartNavStateSyncTimerIfNecessary() {
1858   // No need to update state if no page has committed yet.
1859   if (page_id_ == -1)
1860     return;
1861
1862   int delay;
1863   if (send_content_state_immediately_)
1864     delay = 0;
1865   else if (is_hidden())
1866     delay = kDelaySecondsForContentStateSyncHidden;
1867   else
1868     delay = kDelaySecondsForContentStateSync;
1869
1870   if (nav_state_sync_timer_.IsRunning()) {
1871     // The timer is already running. If the delay of the timer maches the amount
1872     // we want to delay by, then return. Otherwise stop the timer so that it
1873     // gets started with the right delay.
1874     if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
1875       return;
1876     nav_state_sync_timer_.Stop();
1877   }
1878
1879   nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
1880                               &RenderViewImpl::SyncNavigationState);
1881 }
1882
1883 void RenderViewImpl::setMouseOverURL(const WebURL& url) {
1884   mouse_over_url_ = GURL(url);
1885   UpdateTargetURL(mouse_over_url_, focus_url_);
1886 }
1887
1888 void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
1889   focus_url_ = GURL(url);
1890   UpdateTargetURL(focus_url_, mouse_over_url_);
1891 }
1892
1893 void RenderViewImpl::startDragging(WebLocalFrame* frame,
1894                                    const WebDragData& data,
1895                                    WebDragOperationsMask mask,
1896                                    const WebImage& image,
1897                                    const WebPoint& webImageOffset) {
1898   DropData drop_data(DropDataBuilder::Build(data));
1899   drop_data.referrer_policy = frame->document().referrerPolicy();
1900   gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
1901   Send(new DragHostMsg_StartDragging(routing_id_,
1902                                      drop_data,
1903                                      mask,
1904                                      image.getSkBitmap(),
1905                                      imageOffset,
1906                                      possible_drag_event_info_));
1907 }
1908
1909 bool RenderViewImpl::acceptsLoadDrops() {
1910   return renderer_preferences_.can_accept_load_drops;
1911 }
1912
1913 void RenderViewImpl::focusNext() {
1914   Send(new ViewHostMsg_TakeFocus(routing_id_, false));
1915 }
1916
1917 void RenderViewImpl::focusPrevious() {
1918   Send(new ViewHostMsg_TakeFocus(routing_id_, true));
1919 }
1920
1921 void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
1922                                         const WebNode& toNode) {
1923   has_scrolled_focused_editable_node_into_rect_ = false;
1924
1925   gfx::Rect node_bounds;
1926   if (!toNode.isNull() && toNode.isElementNode()) {
1927     WebNode web_node = const_cast<WebNode&>(toNode);
1928     node_bounds = gfx::Rect(web_node.to<WebElement>().boundsInViewportSpace());
1929   }
1930   Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(toNode),
1931                                           node_bounds));
1932
1933   // TODO(estade): remove.
1934   FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
1935
1936   RenderFrameImpl* previous_frame = nullptr;
1937   if (!fromNode.isNull())
1938     previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
1939   RenderFrameImpl* new_frame = nullptr;
1940   if (!toNode.isNull())
1941     new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
1942
1943   if (previous_frame && previous_frame != new_frame)
1944     previous_frame->FocusedNodeChanged(WebNode());
1945   if (new_frame)
1946     new_frame->FocusedNodeChanged(toNode);
1947
1948   // TODO(dmazzoni): remove once there's a separate a11y tree per frame.
1949   GetMainRenderFrame()->FocusedNodeChangedForAccessibility(toNode);
1950 }
1951
1952 void RenderViewImpl::didUpdateLayout() {
1953   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
1954
1955   // We don't always want to set up a timer, only if we've been put in that
1956   // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
1957   // message.
1958   if (!send_preferred_size_changes_ || !webview())
1959     return;
1960
1961   if (check_preferred_size_timer_.IsRunning())
1962     return;
1963   check_preferred_size_timer_.Start(FROM_HERE,
1964                                     TimeDelta::FromMilliseconds(0), this,
1965                                     &RenderViewImpl::CheckPreferredSize);
1966 }
1967
1968 void RenderViewImpl::navigateBackForwardSoon(int offset) {
1969   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
1970 }
1971
1972 int RenderViewImpl::historyBackListCount() {
1973   return history_list_offset_ < 0 ? 0 : history_list_offset_;
1974 }
1975
1976 int RenderViewImpl::historyForwardListCount() {
1977   return history_list_length_ - historyBackListCount() - 1;
1978 }
1979
1980 // blink::WebWidgetClient ----------------------------------------------------
1981
1982 void RenderViewImpl::didFocus() {
1983   // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
1984   //                 we won't have to test for user gesture anymore and we can
1985   //                 move that code back to render_widget.cc
1986   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1987       !RenderThreadImpl::current()->layout_test_mode()) {
1988     Send(new ViewHostMsg_Focus(routing_id_));
1989   }
1990 }
1991
1992 void RenderViewImpl::didBlur() {
1993   // TODO(jcivelli): see TODO above in didFocus().
1994   if (WebUserGestureIndicator::isProcessingUserGesture() &&
1995       !RenderThreadImpl::current()->layout_test_mode()) {
1996     Send(new ViewHostMsg_Blur(routing_id_));
1997   }
1998 }
1999
2000 // We are supposed to get a single call to Show for a newly created RenderView
2001 // that was created via RenderViewImpl::CreateWebView.  So, we wait until this
2002 // point to dispatch the ShowView message.
2003 //
2004 // This method provides us with the information about how to display the newly
2005 // created RenderView (i.e., as a blocked popup or as a new tab).
2006 //
2007 void RenderViewImpl::show(WebNavigationPolicy policy) {
2008   if (did_show_) {
2009     // When supports_multiple_windows is disabled, popups are reusing
2010     // the same view. In some scenarios, this makes WebKit to call show() twice.
2011     if (webkit_preferences_.supports_multiple_windows)
2012       NOTREACHED() << "received extraneous Show call";
2013     return;
2014   }
2015   did_show_ = true;
2016
2017   DCHECK(opener_id_ != MSG_ROUTING_NONE);
2018
2019   // NOTE: initial_rect_ may still have its default values at this point, but
2020   // that's okay.  It'll be ignored if disposition is not NEW_POPUP, or the
2021   // browser process will impose a default position otherwise.
2022   Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
2023       NavigationPolicyToDisposition(policy), initial_rect_,
2024       opened_by_user_gesture_));
2025   SetPendingWindowRect(initial_rect_);
2026 }
2027
2028 void RenderViewImpl::runModal() {
2029   DCHECK(did_show_) << "should already have shown the view";
2030
2031   // Don't allow further dialogs if we are waiting to swap out, since the
2032   // PageGroupLoadDeferrer in our stack prevents it.
2033   if (suppress_dialogs_until_swap_out_)
2034     return;
2035
2036   // We must keep WebKit's shared timer running in this case in order to allow
2037   // showModalDialog to function properly.
2038   //
2039   // TODO(darin): WebKit should really be smarter about suppressing events and
2040   // timers so that we do not need to manage the shared timer in such a heavy
2041   // handed manner.
2042   //
2043   if (RenderThreadImpl::current())  // Will be NULL during unit tests.
2044     RenderThreadImpl::current()->DoNotSuspendWebKitSharedTimer();
2045
2046   SendAndRunNestedMessageLoop(new ViewHostMsg_RunModal(
2047       routing_id_, opener_id_));
2048 }
2049
2050 bool RenderViewImpl::requestPointerLock() {
2051   return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
2052 }
2053
2054 void RenderViewImpl::requestPointerUnlock() {
2055   mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
2056 }
2057
2058 bool RenderViewImpl::isPointerLocked() {
2059   return mouse_lock_dispatcher_->IsMouseLockedTo(
2060       webwidget_mouse_lock_target_.get());
2061 }
2062
2063 void RenderViewImpl::didHandleGestureEvent(
2064     const WebGestureEvent& event,
2065     bool event_cancelled) {
2066   RenderWidget::didHandleGestureEvent(event, event_cancelled);
2067
2068   if (!event_cancelled) {
2069     FOR_EACH_OBSERVER(
2070         RenderViewObserver, observers_, DidHandleGestureEvent(event));
2071   }
2072
2073   // TODO(ananta): Piggyback off existing IPCs to communicate this information,
2074   // crbug/420130.
2075 #if defined(OS_WIN)
2076   if (event.type != blink::WebGestureEvent::GestureTap)
2077     return;
2078
2079   // TODO(estade): hit test the event against focused node to make sure
2080   // the tap actually hit the focused node.
2081   blink::WebTextInputType text_input_type =
2082       GetWebView()->textInputInfo().type;
2083
2084   Send(new ViewHostMsg_FocusedNodeTouched(
2085       routing_id(), text_input_type != blink::WebTextInputTypeNone));
2086 #endif
2087 }
2088
2089 void RenderViewImpl::initializeLayerTreeView() {
2090   RenderWidget::initializeLayerTreeView();
2091   RenderWidgetCompositor* rwc = compositor();
2092   if (!rwc)
2093     return;
2094   if (webview() && webview()->devToolsAgent())
2095     webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId());
2096
2097   bool use_threaded_event_handling = true;
2098 #if defined(OS_MACOSX) && !defined(OS_IOS)
2099   // Disable threaded event handling if content is not handling the elastic
2100   // overscroll effect. This includes the cases where the elastic overscroll
2101   // effect is being handled by Blink (because of command line flags) and older
2102   // operating system versions which do not have an elastic overscroll effect
2103   // (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
2104   use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
2105 #endif
2106   if (use_threaded_event_handling) {
2107     RenderThreadImpl* render_thread = RenderThreadImpl::current();
2108     // render_thread may be NULL in tests.
2109     InputHandlerManager* input_handler_manager =
2110         render_thread ? render_thread->input_handler_manager() : NULL;
2111     if (input_handler_manager) {
2112       input_handler_manager->AddInputHandler(
2113           routing_id_, rwc->GetInputHandler(), AsWeakPtr());
2114     }
2115   }
2116 }
2117
2118 // blink::WebFrameClient -----------------------------------------------------
2119
2120 void RenderViewImpl::Repaint(const gfx::Size& size) {
2121   OnRepaint(size);
2122 }
2123
2124 void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
2125                                                    const std::string& value) {
2126   EditCommands edit_commands;
2127   edit_commands.push_back(EditCommand(name, value));
2128   OnSetEditCommandsForNextKeyEvent(edit_commands);
2129 }
2130
2131 void RenderViewImpl::ClearEditCommands() {
2132   edit_commands_.clear();
2133 }
2134
2135 SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
2136   std::string security_info;
2137   if (frame && frame->dataSource())
2138     security_info = frame->dataSource()->response().securityInfo();
2139
2140   SSLStatus ssl_status;
2141   DeserializeSecurityInfo(security_info,
2142                           &ssl_status.cert_id,
2143                           &ssl_status.cert_status,
2144                           &ssl_status.security_bits,
2145                           &ssl_status.connection_status,
2146                           &ssl_status.signed_certificate_timestamp_ids);
2147   return ssl_status;
2148 }
2149
2150 const std::string& RenderViewImpl::GetAcceptLanguages() const {
2151   return renderer_preferences_.accept_languages;
2152 }
2153
2154 void RenderViewImpl::didCreateDataSource(WebLocalFrame* frame,
2155                                          WebDataSource* ds) {
2156   bool content_initiated = !pending_navigation_params_.get();
2157
2158   // Make sure any previous redirect URLs end up in our new data source.
2159   if (pending_navigation_params_.get()) {
2160     for (std::vector<GURL>::const_iterator i =
2161              pending_navigation_params_->redirects.begin();
2162          i != pending_navigation_params_->redirects.end(); ++i) {
2163       ds->appendRedirect(*i);
2164     }
2165   }
2166
2167   DocumentState* document_state = DocumentState::FromDataSource(ds);
2168   if (!document_state) {
2169     document_state = new DocumentState;
2170     ds->setExtraData(document_state);
2171     if (!content_initiated)
2172       PopulateDocumentStateFromPending(document_state);
2173   }
2174
2175   // Carry over the user agent override flag, if it exists.
2176   if (content_initiated && webview() && webview()->mainFrame() &&
2177       webview()->mainFrame()->isWebLocalFrame() &&
2178       webview()->mainFrame()->dataSource()) {
2179     DocumentState* old_document_state =
2180         DocumentState::FromDataSource(webview()->mainFrame()->dataSource());
2181     if (old_document_state) {
2182       InternalDocumentStateData* internal_data =
2183           InternalDocumentStateData::FromDocumentState(document_state);
2184       InternalDocumentStateData* old_internal_data =
2185           InternalDocumentStateData::FromDocumentState(old_document_state);
2186       internal_data->set_is_overriding_user_agent(
2187           old_internal_data->is_overriding_user_agent());
2188     }
2189   }
2190
2191   // The rest of RenderView assumes that a WebDataSource will always have a
2192   // non-null NavigationState.
2193   if (content_initiated) {
2194     document_state->set_navigation_state(
2195         NavigationState::CreateContentInitiated());
2196   } else {
2197     document_state->set_navigation_state(CreateNavigationStateFromPending());
2198     pending_navigation_params_.reset();
2199   }
2200
2201   // DocumentState::referred_by_prefetcher_ is true if we are
2202   // navigating from a page that used prefetching using a link on that
2203   // page.  We are early enough in the request process here that we
2204   // can still see the DocumentState of the previous page and set
2205   // this value appropriately.
2206   // TODO(gavinp): catch the important case of navigation in a new
2207   // renderer process.
2208   if (webview()) {
2209     if (WebFrame* old_frame = webview()->mainFrame()) {
2210       const WebURLRequest& original_request = ds->originalRequest();
2211       const GURL referrer(
2212           original_request.httpHeaderField(WebString::fromUTF8("Referer")));
2213       if (!referrer.is_empty() && old_frame->isWebLocalFrame() &&
2214           DocumentState::FromDataSource(old_frame->dataSource())
2215               ->was_prefetcher()) {
2216         for (; old_frame; old_frame = old_frame->traverseNext(false)) {
2217           WebDataSource* old_frame_ds = old_frame->dataSource();
2218           if (old_frame_ds && referrer == GURL(old_frame_ds->request().url())) {
2219             document_state->set_was_referred_by_prefetcher(true);
2220             break;
2221           }
2222         }
2223       }
2224     }
2225   }
2226
2227   if (content_initiated) {
2228     const WebURLRequest& request = ds->request();
2229     switch (request.cachePolicy()) {
2230       case WebURLRequest::UseProtocolCachePolicy:  // normal load.
2231         document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL);
2232         break;
2233       case WebURLRequest::ReloadIgnoringCacheData:  // reload.
2234       case WebURLRequest::ReloadBypassingCache:  // end-to-end reload.
2235         document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD);
2236         break;
2237       case WebURLRequest::ReturnCacheDataElseLoad:  // allow stale data.
2238         document_state->set_load_type(
2239             DocumentState::LINK_LOAD_CACHE_STALE_OK);
2240         break;
2241       case WebURLRequest::ReturnCacheDataDontLoad:  // Don't re-post.
2242         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY);
2243         break;
2244       default:
2245         NOTREACHED();
2246     }
2247   }
2248
2249   FOR_EACH_OBSERVER(
2250       RenderViewObserver, observers_, DidCreateDataSource(frame, ds));
2251 }
2252
2253 void RenderViewImpl::PopulateDocumentStateFromPending(
2254     DocumentState* document_state) {
2255   const FrameMsg_Navigate_Params& params = *pending_navigation_params_.get();
2256   document_state->set_request_time(params.request_time);
2257
2258   InternalDocumentStateData* internal_data =
2259       InternalDocumentStateData::FromDocumentState(document_state);
2260
2261   if (!params.common_params.url.SchemeIs(url::kJavaScriptScheme) &&
2262       params.common_params.navigation_type == FrameMsg_Navigate_Type::RESTORE) {
2263     // We're doing a load of a page that was restored from the last session. By
2264     // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which
2265     // can result in stale data for pages that are set to expire. We explicitly
2266     // override that by setting the policy here so that as necessary we load
2267     // from the network.
2268     //
2269     // TODO(davidben): Remove this in favor of passing a cache policy to the
2270     // loadHistoryItem call in OnNavigate. That requires not overloading
2271     // UseProtocolCachePolicy to mean both "normal load" and "determine cache
2272     // policy based on load type, etc".
2273     internal_data->set_cache_policy_override(
2274         WebURLRequest::UseProtocolCachePolicy);
2275   }
2276
2277   if (IsReload(params.common_params.navigation_type))
2278     document_state->set_load_type(DocumentState::RELOAD);
2279   else if (params.commit_params.page_state.IsValid())
2280     document_state->set_load_type(DocumentState::HISTORY_LOAD);
2281   else
2282     document_state->set_load_type(DocumentState::NORMAL_LOAD);
2283
2284   internal_data->set_is_overriding_user_agent(
2285       params.commit_params.is_overriding_user_agent);
2286   internal_data->set_must_reset_scroll_and_scale_state(
2287       params.common_params.navigation_type ==
2288       FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
2289   document_state->set_can_load_local_resources(params.can_load_local_resources);
2290 }
2291
2292 NavigationState* RenderViewImpl::CreateNavigationStateFromPending() {
2293   const FrameMsg_Navigate_Params& params = *pending_navigation_params_.get();
2294   NavigationState* navigation_state = NULL;
2295
2296   // A navigation resulting from loading a javascript URL should not be treated
2297   // as a browser initiated event.  Instead, we want it to look as if the page
2298   // initiated any load resulting from JS execution.
2299   if (!params.common_params.url.SchemeIs(url::kJavaScriptScheme)) {
2300     navigation_state = NavigationState::CreateBrowserInitiated(
2301         params.page_id,
2302         params.pending_history_list_offset,
2303         params.should_clear_history_list,
2304         params.common_params.transition);
2305     navigation_state->set_should_replace_current_entry(
2306         params.should_replace_current_entry);
2307     navigation_state->set_transferred_request_child_id(
2308         params.transferred_request_child_id);
2309     navigation_state->set_transferred_request_request_id(
2310         params.transferred_request_request_id);
2311     navigation_state->set_allow_download(params.common_params.allow_download);
2312     navigation_state->set_extra_headers(params.extra_headers);
2313   } else {
2314     navigation_state = NavigationState::CreateContentInitiated();
2315   }
2316   return navigation_state;
2317 }
2318
2319 void RenderViewImpl::didClearWindowObject(WebLocalFrame* frame) {
2320   FOR_EACH_OBSERVER(
2321       RenderViewObserver, observers_, DidClearWindowObject(frame));
2322
2323   if (enabled_bindings_& BINDINGS_POLICY_WEB_UI)
2324     WebUIExtension::Install(frame);
2325
2326   if (enabled_bindings_ & BINDINGS_POLICY_STATS_COLLECTION)
2327     StatsCollectionController::Install(frame);
2328
2329   const base::CommandLine& command_line =
2330       *base::CommandLine::ForCurrentProcess();
2331
2332   if (command_line.HasSwitch(switches::kEnableSkiaBenchmarking))
2333     SkiaBenchmarking::Install(frame);
2334
2335   if (command_line.HasSwitch(cc::switches::kEnableGpuBenchmarking))
2336     GpuBenchmarking::Install(frame);
2337
2338   if (command_line.HasSwitch(switches::kEnableMemoryBenchmarking))
2339     MemoryBenchmarkingExtension::Install(frame);
2340 }
2341
2342 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
2343                                    WebIconURL::Type icon_type) {
2344   if (frame->parent())
2345     return;
2346
2347   if (!TouchEnabled() && icon_type != WebIconURL::TypeFavicon)
2348     return;
2349
2350   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
2351   std::vector<FaviconURL> urls;
2352   for (size_t i = 0; i < icon_urls.size(); i++) {
2353     std::vector<gfx::Size> sizes;
2354     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
2355     urls.push_back(FaviconURL(
2356         icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
2357   }
2358   SendUpdateFaviconURL(urls);
2359 }
2360
2361 void RenderViewImpl::didUpdateCurrentHistoryItem(WebLocalFrame* frame) {
2362   StartNavStateSyncTimerIfNecessary();
2363 }
2364
2365 void RenderViewImpl::CheckPreferredSize() {
2366   // We don't always want to send the change messages over IPC, only if we've
2367   // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
2368   // message.
2369   if (!send_preferred_size_changes_ || !webview())
2370     return;
2371
2372   gfx::Size size = webview()->contentsPreferredMinimumSize();
2373   if (size == preferred_size_)
2374     return;
2375
2376   preferred_size_ = size;
2377   Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
2378                                                       preferred_size_));
2379 }
2380
2381 void RenderViewImpl::didChangeScrollOffset(WebLocalFrame* frame) {
2382   StartNavStateSyncTimerIfNecessary();
2383 }
2384
2385 void RenderViewImpl::SendFindReply(int request_id,
2386                                    int match_count,
2387                                    int ordinal,
2388                                    const WebRect& selection_rect,
2389                                    bool final_status_update) {
2390   Send(new ViewHostMsg_Find_Reply(routing_id_,
2391                                   request_id,
2392                                   match_count,
2393                                   selection_rect,
2394                                   ordinal,
2395                                   final_status_update));
2396 }
2397
2398 blink::WebString RenderViewImpl::acceptLanguages() {
2399   return WebString::fromUTF8(renderer_preferences_.accept_languages);
2400 }
2401
2402 // blink::WebPageSerializerClient implementation ------------------------------
2403
2404 void RenderViewImpl::didSerializeDataForFrame(
2405     const WebURL& frame_url,
2406     const WebCString& data,
2407     WebPageSerializerClient::PageSerializationStatus status) {
2408   Send(new ViewHostMsg_SendSerializedHtmlData(
2409     routing_id(),
2410     frame_url,
2411     data.data(),
2412     static_cast<int32>(status)));
2413 }
2414
2415 // RenderView implementation ---------------------------------------------------
2416
2417 bool RenderViewImpl::Send(IPC::Message* message) {
2418   return RenderWidget::Send(message);
2419 }
2420
2421 RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
2422   return main_render_frame_.get();
2423 }
2424
2425 int RenderViewImpl::GetRoutingID() const {
2426   return routing_id_;
2427 }
2428
2429 gfx::Size RenderViewImpl::GetSize() const {
2430   return size();
2431 }
2432
2433 WebPreferences& RenderViewImpl::GetWebkitPreferences() {
2434   return webkit_preferences_;
2435 }
2436
2437 void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
2438   OnUpdateWebPreferences(preferences);
2439 }
2440
2441 blink::WebView* RenderViewImpl::GetWebView() {
2442   return webview();
2443 }
2444
2445 bool RenderViewImpl::IsEditableNode(const WebNode& node) const {
2446   if (node.isNull())
2447     return false;
2448
2449   if (node.isContentEditable())
2450     return true;
2451
2452   if (node.isElementNode()) {
2453     const WebElement& element = node.toConst<WebElement>();
2454     if (element.isTextFormControlElement()) {
2455       if (!(element.hasAttribute("readonly") ||
2456             element.hasAttribute("disabled")))
2457         return true;
2458     }
2459
2460     // Also return true if it has an ARIA role of 'textbox'.
2461     for (unsigned i = 0; i < element.attributeCount(); ++i) {
2462       if (LowerCaseEqualsASCII(element.attributeLocalName(i), "role")) {
2463         if (LowerCaseEqualsASCII(element.attributeValue(i), "textbox"))
2464           return true;
2465         break;
2466       }
2467     }
2468   }
2469
2470   return false;
2471 }
2472
2473 bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
2474   return (!send_preferred_size_changes_ ||
2475           (disable_scrollbars_size_limit_.width() <= width ||
2476            disable_scrollbars_size_limit_.height() <= height));
2477 }
2478
2479 int RenderViewImpl::GetEnabledBindings() const {
2480   return enabled_bindings_;
2481 }
2482
2483 bool RenderViewImpl::GetContentStateImmediately() const {
2484   return send_content_state_immediately_;
2485 }
2486
2487 blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
2488   return visibilityState();
2489 }
2490
2491 void RenderViewImpl::DidStartLoading() {
2492   main_render_frame_->didStartLoading(true);
2493 }
2494
2495 void RenderViewImpl::DidStopLoading() {
2496   main_render_frame_->didStopLoading();
2497 }
2498
2499 void RenderViewImpl::SyncNavigationState() {
2500   if (!webview())
2501     return;
2502   SendUpdateState(history_controller_->GetCurrentEntry());
2503 }
2504
2505 blink::WebElement RenderViewImpl::GetFocusedElement() const {
2506   if (!webview())
2507     return WebElement();
2508   WebFrame* focused_frame = webview()->focusedFrame();
2509   if (focused_frame) {
2510     WebDocument doc = focused_frame->document();
2511     if (!doc.isNull())
2512       return doc.focusedElement();
2513   }
2514
2515   return WebElement();
2516 }
2517
2518 blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
2519   if (!webview())
2520     return NULL;
2521
2522   WebFrame* main_frame = webview()->mainFrame();
2523   if (main_frame->isWebLocalFrame() &&
2524       main_frame->document().isPluginDocument())
2525     return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
2526
2527 #if defined(ENABLE_PLUGINS)
2528   if (plugin_find_handler_)
2529     return plugin_find_handler_->container()->plugin();
2530 #endif
2531
2532   return NULL;
2533 }
2534
2535 void RenderViewImpl::OnFind(int request_id,
2536                             const base::string16& search_text,
2537                             const WebFindOptions& options) {
2538   WebFrame* main_frame = webview()->mainFrame();
2539   blink::WebPlugin* plugin = GetWebPluginForFind();
2540   // Check if the plugin still exists in the document.
2541   if (plugin) {
2542     if (options.findNext) {
2543       // Just navigate back/forward.
2544       plugin->selectFindResult(options.forward);
2545     } else {
2546       if (!plugin->startFind(
2547           search_text, options.matchCase, request_id)) {
2548         // Send "no results".
2549         SendFindReply(request_id, 0, 0, gfx::Rect(), true);
2550       }
2551     }
2552     return;
2553   }
2554
2555   WebFrame* frame_after_main = main_frame->traverseNext(true);
2556   WebFrame* focused_frame = webview()->focusedFrame();
2557   WebFrame* search_frame = focused_frame;  // start searching focused frame.
2558
2559   bool multi_frame = (frame_after_main != main_frame);
2560
2561   // If we have multiple frames, we don't want to wrap the search within the
2562   // frame, so we check here if we only have main_frame in the chain.
2563   bool wrap_within_frame = !multi_frame;
2564
2565   WebRect selection_rect;
2566   bool result = false;
2567
2568   // If something is selected when we start searching it means we cannot just
2569   // increment the current match ordinal; we need to re-generate it.
2570   WebRange current_selection = focused_frame->selectionRange();
2571
2572   do {
2573     result = search_frame->find(
2574         request_id, search_text, options, wrap_within_frame, &selection_rect);
2575
2576     if (!result) {
2577       // don't leave text selected as you move to the next frame.
2578       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2579                                    GetFocusedElement());
2580
2581       // Find the next frame, but skip the invisible ones.
2582       do {
2583         // What is the next frame to search? (we might be going backwards). Note
2584         // that we specify wrap=true so that search_frame never becomes NULL.
2585         search_frame = options.forward ?
2586             search_frame->traverseNext(true) :
2587             search_frame->traversePrevious(true);
2588       } while (!search_frame->hasVisibleContent() &&
2589                search_frame != focused_frame);
2590
2591       // Make sure selection doesn't affect the search operation in new frame.
2592       search_frame->executeCommand(WebString::fromUTF8("Unselect"),
2593                                    GetFocusedElement());
2594
2595       // If we have multiple frames and we have wrapped back around to the
2596       // focused frame, we need to search it once more allowing wrap within
2597       // the frame, otherwise it will report 'no match' if the focused frame has
2598       // reported matches, but no frames after the focused_frame contain a
2599       // match for the search word(s).
2600       if (multi_frame && search_frame == focused_frame) {
2601         result = search_frame->find(
2602             request_id, search_text, options, true,  // Force wrapping.
2603             &selection_rect);
2604       }
2605     }
2606
2607     webview()->setFocusedFrame(search_frame);
2608   } while (!result && search_frame != focused_frame);
2609
2610   if (options.findNext && current_selection.isNull()) {
2611     // Force the main_frame to report the actual count.
2612     main_frame->increaseMatchCount(0, request_id);
2613   } else {
2614     // If nothing is found, set result to "0 of 0", otherwise, set it to
2615     // "-1 of 1" to indicate that we found at least one item, but we don't know
2616     // yet what is active.
2617     int ordinal = result ? -1 : 0;  // -1 here means, we might know more later.
2618     int match_count = result ? 1 : 0;  // 1 here means possibly more coming.
2619
2620     // If we find no matches then this will be our last status update.
2621     // Otherwise the scoping effort will send more results.
2622     bool final_status_update = !result;
2623
2624     SendFindReply(request_id, match_count, ordinal, selection_rect,
2625                   final_status_update);
2626
2627     // Scoping effort begins, starting with the mainframe.
2628     search_frame = main_frame;
2629
2630     main_frame->resetMatchCount();
2631
2632     do {
2633       // Cancel all old scoping requests before starting a new one.
2634       search_frame->cancelPendingScopingEffort();
2635
2636       // We don't start another scoping effort unless at least one match has
2637       // been found.
2638       if (result) {
2639         // Start new scoping request. If the scoping function determines that it
2640         // needs to scope, it will defer until later.
2641         search_frame->scopeStringMatches(request_id,
2642                                          search_text,
2643                                          options,
2644                                          true);  // reset the tickmarks
2645       }
2646
2647       // Iterate to the next frame. The frame will not necessarily scope, for
2648       // example if it is not visible.
2649       search_frame = search_frame->traverseNext(true);
2650     } while (search_frame != main_frame);
2651   }
2652 }
2653
2654 void RenderViewImpl::OnStopFinding(StopFindAction action) {
2655   WebView* view = webview();
2656   if (!view)
2657     return;
2658
2659   blink::WebPlugin* plugin = GetWebPluginForFind();
2660   if (plugin) {
2661     plugin->stopFind();
2662     return;
2663   }
2664
2665   bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
2666   if (clear_selection) {
2667     view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
2668                                          GetFocusedElement());
2669   }
2670
2671   WebFrame* frame = view->mainFrame();
2672   while (frame) {
2673     frame->stopFinding(clear_selection);
2674     frame = frame->traverseNext(false);
2675   }
2676
2677   if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
2678     WebFrame* focused_frame = view->focusedFrame();
2679     if (focused_frame) {
2680       WebDocument doc = focused_frame->document();
2681       if (!doc.isNull()) {
2682         WebElement element = doc.focusedElement();
2683         if (!element.isNull())
2684           element.simulateClick();
2685       }
2686     }
2687   }
2688 }
2689
2690 #if defined(OS_ANDROID)
2691 void RenderViewImpl::OnActivateNearestFindResult(int request_id,
2692                                                  float x, float y) {
2693   if (!webview())
2694       return;
2695
2696   WebFrame* main_frame = webview()->mainFrame();
2697   WebRect selection_rect;
2698   int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
2699                                                    &selection_rect);
2700   if (ordinal == -1) {
2701     // Something went wrong, so send a no-op reply (force the main_frame to
2702     // report the current match count) in case the host is waiting for a
2703     // response due to rate-limiting).
2704     main_frame->increaseMatchCount(0, request_id);
2705     return;
2706   }
2707
2708   SendFindReply(request_id,
2709                 -1 /* number_of_matches */,
2710                 ordinal,
2711                 selection_rect,
2712                 true /* final_update */);
2713 }
2714
2715 void RenderViewImpl::OnFindMatchRects(int current_version) {
2716   if (!webview())
2717       return;
2718
2719   WebFrame* main_frame = webview()->mainFrame();
2720   std::vector<gfx::RectF> match_rects;
2721
2722   int rects_version = main_frame->findMatchMarkersVersion();
2723   if (current_version != rects_version) {
2724     WebVector<WebFloatRect> web_match_rects;
2725     main_frame->findMatchRects(web_match_rects);
2726     match_rects.reserve(web_match_rects.size());
2727     for (size_t i = 0; i < web_match_rects.size(); ++i)
2728       match_rects.push_back(gfx::RectF(web_match_rects[i]));
2729   }
2730
2731   gfx::RectF active_rect = main_frame->activeFindMatchRect();
2732   Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
2733                                                rects_version,
2734                                                match_rects,
2735                                                active_rect));
2736 }
2737 #endif
2738
2739 void RenderViewImpl::OnZoom(PageZoom zoom) {
2740   if (!webview())  // Not sure if this can happen, but no harm in being safe.
2741     return;
2742
2743   webview()->hidePopups();
2744
2745   double old_zoom_level = webview()->zoomLevel();
2746   double zoom_level;
2747   if (zoom == PAGE_ZOOM_RESET) {
2748     zoom_level = 0;
2749   } else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
2750     // Previous zoom level is a whole number, so just increment/decrement.
2751     zoom_level = old_zoom_level + zoom;
2752   } else {
2753     // Either the user hit the zoom factor limit and thus the zoom level is now
2754     // not a whole number, or a plugin changed it to a custom value.  We want
2755     // to go to the next whole number so that the user can always get back to
2756     // 100% with the keyboard/menu.
2757     if ((old_zoom_level > 1 && zoom > 0) ||
2758         (old_zoom_level < 1 && zoom < 0)) {
2759       zoom_level = static_cast<int>(old_zoom_level + zoom);
2760     } else {
2761       // We're going towards 100%, so first go to the next whole number.
2762       zoom_level = static_cast<int>(old_zoom_level);
2763     }
2764   }
2765   webview()->setZoomLevel(zoom_level);
2766   zoomLevelChanged();
2767 }
2768
2769 void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
2770                                                  double zoom_level) {
2771 #if !defined(OS_ANDROID)
2772   // On Android, page zoom isn't used, and in case of WebView, text zoom is used
2773   // for legacy WebView text scaling emulation. Thus, the code that resets
2774   // the zoom level from this map will be effectively resetting text zoom level.
2775   host_zoom_levels_[url] = zoom_level;
2776 #endif
2777 }
2778
2779 void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
2780                                            double level) {
2781   uses_temporary_zoom_level_ = uses_temporary_zoom_level;
2782
2783   webview()->hidePopups();
2784   webview()->setZoomLevel(level);
2785 }
2786
2787 void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
2788   webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
2789 }
2790
2791 void RenderViewImpl::OnResetPageEncodingToDefault() {
2792   WebString no_encoding;
2793   webview()->setPageEncoding(no_encoding);
2794 }
2795
2796 void RenderViewImpl::OnPostMessageEvent(
2797     const ViewMsg_PostMessage_Params& params) {
2798   // TODO(nasko): Support sending to subframes.
2799   WebFrame* frame = webview()->mainFrame();
2800
2801   // Find the source frame if it exists.
2802   WebFrame* source_frame = NULL;
2803   if (params.source_routing_id != MSG_ROUTING_NONE) {
2804     RenderViewImpl* source_view = FromRoutingID(params.source_routing_id);
2805     if (source_view)
2806       source_frame = source_view->webview()->mainFrame();
2807   }
2808
2809   // If the message contained MessagePorts, create the corresponding endpoints.
2810   DCHECK_EQ(params.message_port_ids.size(), params.new_routing_ids.size());
2811   blink::WebMessagePortChannelArray channels(params.message_port_ids.size());
2812   for (size_t i = 0;
2813        i < params.message_port_ids.size() && i < params.new_routing_ids.size();
2814        ++i) {
2815     channels[i] =
2816         new WebMessagePortChannelImpl(params.new_routing_ids[i],
2817                                       params.message_port_ids[i],
2818                                       base::MessageLoopProxy::current().get());
2819   }
2820
2821   WebSerializedScriptValue serialized_script_value;
2822   if (params.is_data_raw_string) {
2823     v8::HandleScope handle_scope(blink::mainThreadIsolate());
2824     v8::Local<v8::Context> context = frame->mainWorldScriptContext();
2825     v8::Context::Scope context_scope(context);
2826     V8ValueConverterImpl converter;
2827     converter.SetDateAllowed(true);
2828     converter.SetRegExpAllowed(true);
2829     scoped_ptr<base::Value> value(new base::StringValue(params.data));
2830     v8::Handle<v8::Value> result_value = converter.ToV8Value(value.get(),
2831                                                              context);
2832     serialized_script_value = WebSerializedScriptValue::serialize(result_value);
2833   } else {
2834     serialized_script_value = WebSerializedScriptValue::fromString(params.data);
2835   }
2836
2837   // Create an event with the message.  The final parameter to initMessageEvent
2838   // is the last event ID, which is not used with postMessage.
2839   WebDOMEvent event = frame->document().createEvent("MessageEvent");
2840   WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
2841   msg_event.initMessageEvent("message",
2842                              // |canBubble| and |cancellable| are always false
2843                              false, false,
2844                              serialized_script_value,
2845                              params.source_origin, source_frame, "", channels);
2846
2847   // We must pass in the target_origin to do the security check on this side,
2848   // since it may have changed since the original postMessage call was made.
2849   WebSecurityOrigin target_origin;
2850   if (!params.target_origin.empty()) {
2851     target_origin =
2852         WebSecurityOrigin::createFromString(WebString(params.target_origin));
2853   }
2854   frame->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
2855 }
2856
2857 void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
2858   if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
2859       !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
2860     // WebUIExtensionData deletes itself when we're destroyed.
2861     new WebUIExtensionData(this);
2862     // WebUIMojo deletes itself when we're destroyed.
2863     new WebUIMojo(this);
2864   }
2865
2866   enabled_bindings_ |= enabled_bindings_flags;
2867
2868   // Keep track of the total bindings accumulated in this process.
2869   RenderProcess::current()->AddBindings(enabled_bindings_flags);
2870 }
2871
2872 void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
2873                                            const gfx::Point& client_point,
2874                                            const gfx::Point& screen_point,
2875                                            WebDragOperationsMask ops,
2876                                            int key_modifiers) {
2877   WebDragOperation operation = webview()->dragTargetDragEnter(
2878       DropDataToWebDragData(drop_data),
2879       client_point,
2880       screen_point,
2881       ops,
2882       key_modifiers);
2883
2884   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2885 }
2886
2887 void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
2888                                           const gfx::Point& screen_point,
2889                                           WebDragOperationsMask ops,
2890                                           int key_modifiers) {
2891   WebDragOperation operation = webview()->dragTargetDragOver(
2892       client_point,
2893       screen_point,
2894       ops,
2895       key_modifiers);
2896
2897   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
2898 }
2899
2900 void RenderViewImpl::OnDragTargetDragLeave() {
2901   webview()->dragTargetDragLeave();
2902 }
2903
2904 void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
2905                                       const gfx::Point& screen_point,
2906                                       int key_modifiers) {
2907   webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
2908
2909   Send(new DragHostMsg_TargetDrop_ACK(routing_id_));
2910 }
2911
2912 void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
2913                                        const gfx::Point& screen_point,
2914                                        WebDragOperation op) {
2915   webview()->dragSourceEndedAt(client_point, screen_point, op);
2916 }
2917
2918 void RenderViewImpl::OnDragSourceSystemDragEnded() {
2919   webview()->dragSourceSystemDragEnded();
2920 }
2921
2922 void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
2923   webkit_preferences_ = prefs;
2924   ApplyWebPreferences(webkit_preferences_, webview());
2925 }
2926
2927 void RenderViewImpl::OnEnumerateDirectoryResponse(
2928     int id,
2929     const std::vector<base::FilePath>& paths) {
2930   if (!enumeration_completions_[id])
2931     return;
2932
2933   WebVector<WebString> ws_file_names(paths.size());
2934   for (size_t i = 0; i < paths.size(); ++i)
2935     ws_file_names[i] = paths[i].AsUTF16Unsafe();
2936
2937   enumeration_completions_[id]->didChooseFile(ws_file_names);
2938   enumeration_completions_.erase(id);
2939 }
2940
2941 void RenderViewImpl::OnFileChooserResponse(
2942     const std::vector<content::FileChooserFileInfo>& files) {
2943   // This could happen if we navigated to a different page before the user
2944   // closed the chooser.
2945   if (file_chooser_completions_.empty())
2946     return;
2947
2948   // Convert Chrome's SelectedFileInfo list to WebKit's.
2949   WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
2950       files.size());
2951   for (size_t i = 0; i < files.size(); ++i) {
2952     WebFileChooserCompletion::SelectedFileInfo selected_file;
2953     selected_file.path = files[i].file_path.AsUTF16Unsafe();
2954     selected_file.displayName =
2955         base::FilePath(files[i].display_name).AsUTF16Unsafe();
2956     if (files[i].file_system_url.is_valid()) {
2957       selected_file.fileSystemURL = files[i].file_system_url;
2958       selected_file.length = files[i].length;
2959       selected_file.modificationTime = files[i].modification_time.ToDoubleT();
2960       selected_file.isDirectory = files[i].is_directory;
2961     }
2962     selected_files[i] = selected_file;
2963   }
2964
2965   if (file_chooser_completions_.front()->completion)
2966     file_chooser_completions_.front()->completion->didChooseFile(
2967         selected_files);
2968   file_chooser_completions_.pop_front();
2969
2970   // If there are more pending file chooser requests, schedule one now.
2971   if (!file_chooser_completions_.empty()) {
2972     Send(new ViewHostMsg_RunFileChooser(routing_id_,
2973         file_chooser_completions_.front()->params));
2974   }
2975 }
2976
2977 void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
2978                                         const gfx::Size& max_size) {
2979   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2980   if (!webview())
2981     return;
2982   auto_resize_mode_ = true;
2983   webview()->enableAutoResizeMode(min_size, max_size);
2984 }
2985
2986 void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
2987   DCHECK(disable_scrollbars_size_limit_.IsEmpty());
2988   if (!webview())
2989     return;
2990   auto_resize_mode_ = false;
2991   webview()->disableAutoResizeMode();
2992
2993   if (!new_size.IsEmpty()) {
2994     Resize(new_size,
2995            physical_backing_size_,
2996            top_controls_shrink_blink_size_,
2997            top_controls_height_,
2998            visible_viewport_size_,
2999            resizer_rect_,
3000            is_fullscreen_,
3001            NO_RESIZE_ACK);
3002   }
3003 }
3004
3005 void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
3006   if (send_preferred_size_changes_)
3007     return;
3008   send_preferred_size_changes_ = true;
3009
3010   // Start off with an initial preferred size notification (in case
3011   // |didUpdateLayout| was already called).
3012   didUpdateLayout();
3013 }
3014
3015 void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
3016     const gfx::Size& disable_scrollbar_size_limit) {
3017   disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
3018 }
3019
3020 void RenderViewImpl::OnSetRendererPrefs(
3021     const RendererPreferences& renderer_prefs) {
3022   double old_zoom_level = renderer_preferences_.default_zoom_level;
3023   std::string old_accept_languages = renderer_preferences_.accept_languages;
3024
3025   renderer_preferences_ = renderer_prefs;
3026   UpdateFontRenderingFromRendererPrefs();
3027
3028 #if defined(USE_DEFAULT_RENDER_THEME)
3029   if (renderer_prefs.use_custom_colors) {
3030     WebColorName name = blink::WebColorWebkitFocusRingColor;
3031     blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1);
3032     blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
3033
3034     if (webview()) {
3035       webview()->setSelectionColors(
3036           renderer_prefs.active_selection_bg_color,
3037           renderer_prefs.active_selection_fg_color,
3038           renderer_prefs.inactive_selection_bg_color,
3039           renderer_prefs.inactive_selection_fg_color);
3040       webview()->themeChanged();
3041     }
3042   }
3043 #endif  // defined(USE_DEFAULT_RENDER_THEME)
3044
3045   // If the zoom level for this page matches the old zoom default, and this
3046   // is not a plugin, update the zoom level to match the new default.
3047   if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
3048       !webview()->mainFrame()->document().isPluginDocument() &&
3049       !ZoomValuesEqual(old_zoom_level,
3050                        renderer_preferences_.default_zoom_level) &&
3051       ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
3052     webview()->setZoomLevel(renderer_preferences_.default_zoom_level);
3053     zoomLevelChanged();
3054   }
3055
3056   if (webview() &&
3057       old_accept_languages != renderer_preferences_.accept_languages) {
3058     webview()->acceptLanguagesChanged();
3059   }
3060 }
3061
3062 void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
3063                                            const WebMediaPlayerAction& action) {
3064   if (webview())
3065     webview()->performMediaPlayerAction(action, location);
3066 }
3067
3068 void RenderViewImpl::OnOrientationChange() {
3069   webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
3070 }
3071
3072 void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
3073                                       const WebPluginAction& action) {
3074   if (webview())
3075     webview()->performPluginAction(action, location);
3076 }
3077
3078 void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage(
3079     const GURL& page_url) {
3080   // Prepare list to storage all savable resource links.
3081   std::vector<GURL> resources_list;
3082   std::vector<GURL> referrer_urls_list;
3083   std::vector<blink::WebReferrerPolicy> referrer_policies_list;
3084   std::vector<GURL> frames_list;
3085   SavableResourcesResult result(&resources_list,
3086                                 &referrer_urls_list,
3087                                 &referrer_policies_list,
3088                                 &frames_list);
3089
3090   // webkit/ doesn't know about Referrer.
3091   if (!GetAllSavableResourceLinksForCurrentPage(
3092           webview(),
3093           page_url,
3094           &result,
3095           const_cast<const char**>(GetSavableSchemes()))) {
3096     // If something is wrong when collecting all savable resource links,
3097     // send empty list to embedder(browser) to tell it failed.
3098     referrer_urls_list.clear();
3099     referrer_policies_list.clear();
3100     resources_list.clear();
3101     frames_list.clear();
3102   }
3103
3104   std::vector<Referrer> referrers_list;
3105   CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size());
3106   for (unsigned i = 0; i < referrer_urls_list.size(); ++i) {
3107     referrers_list.push_back(
3108         Referrer(referrer_urls_list[i], referrer_policies_list[i]));
3109   }
3110
3111   // Send result of all savable resource links to embedder.
3112   Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(),
3113                                                               resources_list,
3114                                                               referrers_list,
3115                                                               frames_list));
3116 }
3117
3118 void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
3119     const std::vector<GURL>& links,
3120     const std::vector<base::FilePath>& local_paths,
3121     const base::FilePath& local_directory_name) {
3122
3123   // Convert std::vector of GURLs to WebVector<WebURL>
3124   WebVector<WebURL> weburl_links(links);
3125
3126   // Convert std::vector of base::FilePath to WebVector<WebString>
3127   WebVector<WebString> webstring_paths(local_paths.size());
3128   for (size_t i = 0; i < local_paths.size(); i++)
3129     webstring_paths[i] = local_paths[i].AsUTF16Unsafe();
3130
3131   WebPageSerializer::serialize(webview()->mainFrame()->toWebLocalFrame(),
3132                                true,
3133                                this,
3134                                weburl_links,
3135                                webstring_paths,
3136                                local_directory_name.AsUTF16Unsafe());
3137 }
3138
3139 void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
3140   // Don't show any more dialogs until we finish OnSwapOut.
3141   suppress_dialogs_until_swap_out_ = true;
3142 }
3143
3144 void RenderViewImpl::OnClosePage() {
3145   FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
3146   // TODO(creis): We'd rather use webview()->Close() here, but that currently
3147   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
3148   // in the onunload handler from appearing.  For now, we're bypassing that and
3149   // calling the FrameLoader's CloseURL method directly.  This should be
3150   // revisited to avoid having two ways to close a page.  Having a single way
3151   // to close that can run onunload is also useful for fixing
3152   // http://b/issue?id=753080.
3153   webview()->mainFrame()->dispatchUnloadEvent();
3154
3155   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
3156 }
3157
3158 void RenderViewImpl::OnThemeChanged() {
3159 #if defined(USE_AURA)
3160   // Aura doesn't care if we switch themes.
3161 #elif defined(OS_WIN)
3162   ui::NativeThemeWin::instance()->CloseHandles();
3163   if (webview())
3164     webview()->themeChanged();
3165 #else  // defined(OS_WIN)
3166   // TODO(port): we don't support theming on non-Windows platforms yet
3167   NOTIMPLEMENTED();
3168 #endif
3169 }
3170
3171 void RenderViewImpl::OnMoveOrResizeStarted() {
3172   if (webview())
3173     webview()->hidePopups();
3174 }
3175
3176 void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
3177   TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
3178   if (webview()) {
3179     webview()->hidePopups();
3180     if (send_preferred_size_changes_) {
3181       webview()->mainFrame()->setCanHaveScrollbars(
3182           ShouldDisplayScrollbars(params.new_size.width(),
3183                                   params.new_size.height()));
3184     }
3185   }
3186
3187   gfx::Size old_visible_viewport_size = visible_viewport_size_;
3188
3189   RenderWidget::OnResize(params);
3190
3191   if (old_visible_viewport_size != visible_viewport_size_)
3192     has_scrolled_focused_editable_node_into_rect_ = false;
3193 }
3194
3195 void RenderViewImpl::DidInitiatePaint() {
3196 #if defined(ENABLE_PLUGINS)
3197   // Notify all instances that we painted.  The same caveats apply as for
3198   // ViewFlushedPaint regarding instances closing themselves, so we take
3199   // similar precautions.
3200   PepperPluginSet plugins = active_pepper_instances_;
3201   for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
3202     if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
3203       (*i)->ViewInitiatedPaint();
3204   }
3205 #endif
3206 }
3207
3208 void RenderViewImpl::DidFlushPaint() {
3209   // If the RenderWidget is closing down then early-exit, otherwise we'll crash.
3210   // See crbug.com/112921.
3211   if (!webview())
3212     return;
3213
3214   WebFrame* main_frame = webview()->mainFrame();
3215   for (WebFrame* frame = main_frame; frame;
3216        frame = frame->traverseNext(false)) {
3217     // TODO(nasko): This is a hack for the case in which the top-level
3218     // frame is being rendered in another process. It will not
3219     // behave correctly for out of process iframes.
3220     if (frame->isWebLocalFrame()) {
3221       main_frame = frame;
3222       break;
3223     }
3224   }
3225
3226   // If we have a provisional frame we are between the start and commit stages
3227   // of loading and we don't want to save stats.
3228   if (!main_frame->provisionalDataSource()) {
3229     WebDataSource* ds = main_frame->dataSource();
3230     DocumentState* document_state = DocumentState::FromDataSource(ds);
3231
3232     // TODO(jar): The following code should all be inside a method, probably in
3233     // NavigatorState.
3234     Time now = Time::Now();
3235     if (document_state->first_paint_time().is_null()) {
3236       document_state->set_first_paint_time(now);
3237     }
3238     if (document_state->first_paint_after_load_time().is_null() &&
3239         !document_state->finish_load_time().is_null()) {
3240       document_state->set_first_paint_after_load_time(now);
3241     }
3242   }
3243 }
3244
3245 gfx::Vector2d RenderViewImpl::GetScrollOffset() {
3246   WebFrame* main_frame = webview()->mainFrame();
3247   for (WebFrame* frame = main_frame; frame;
3248        frame = frame->traverseNext(false)) {
3249     // TODO(nasko): This is a hack for the case in which the top-level
3250     // frame is being rendered in another process. It will not
3251     // behave correctly for out of process iframes.
3252     if (frame->isWebLocalFrame()) {
3253       main_frame = frame;
3254       break;
3255     }
3256   }
3257
3258   WebSize scroll_offset = main_frame->scrollOffset();
3259   return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
3260 }
3261
3262 void RenderViewImpl::OnClearFocusedElement() {
3263   if (webview())
3264     webview()->clearFocusedElement();
3265 }
3266
3267 void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
3268   if (webview())
3269     webview()->setIsTransparent(!opaque);
3270   if (compositor_)
3271     compositor_->setHasTransparentBackground(!opaque);
3272 }
3273
3274 void RenderViewImpl::OnSetActive(bool active) {
3275   if (webview())
3276     webview()->setIsActive(active);
3277
3278 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
3279   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3280   for (plugin_it = plugin_delegates_.begin();
3281        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3282     (*plugin_it)->SetWindowFocus(active);
3283   }
3284 #endif
3285 }
3286
3287 #if defined(OS_MACOSX)
3288 void RenderViewImpl::OnSetWindowVisibility(bool visible) {
3289 #if defined(ENABLE_PLUGINS)
3290   // Inform plugins that their container has changed visibility.
3291   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3292   for (plugin_it = plugin_delegates_.begin();
3293        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3294     (*plugin_it)->SetContainerVisibility(visible);
3295   }
3296 #endif
3297 }
3298
3299 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
3300                                           const gfx::Rect& view_frame) {
3301 #if defined(ENABLE_PLUGINS)
3302   // Inform plugins that their window's frame has changed.
3303   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3304   for (plugin_it = plugin_delegates_.begin();
3305        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3306     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
3307   }
3308 #endif
3309 }
3310
3311 void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
3312                                                      int plugin_id) {
3313   // WebPluginDelegateProxy is responsible for figuring out if this event
3314   // applies to it or not, so inform all the delegates.
3315   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3316   for (plugin_it = plugin_delegates_.begin();
3317        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3318     (*plugin_it)->ImeCompositionCompleted(text, plugin_id);
3319   }
3320 }
3321 #endif  // OS_MACOSX
3322
3323 void RenderViewImpl::OnClose() {
3324   if (closing_)
3325     RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3326   RenderWidget::OnClose();
3327 }
3328
3329 void RenderViewImpl::Close() {
3330   // We need to grab a pointer to the doomed WebView before we destroy it.
3331   WebView* doomed = webview();
3332   RenderWidget::Close();
3333   g_view_map.Get().erase(doomed);
3334   g_routing_id_view_map.Get().erase(routing_id_);
3335   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
3336 }
3337
3338 void RenderViewImpl::DidHandleKeyEvent() {
3339   ClearEditCommands();
3340 }
3341
3342 bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
3343   possible_drag_event_info_.event_source =
3344       ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
3345   possible_drag_event_info_.event_location =
3346       gfx::Point(event.globalX, event.globalY);
3347
3348 #if defined(ENABLE_PLUGINS)
3349   // This method is called for every mouse event that the render view receives.
3350   // And then the mouse event is forwarded to WebKit, which dispatches it to the
3351   // event target. Potentially a Pepper plugin will receive the event.
3352   // In order to tell whether a plugin gets the last mouse event and which it
3353   // is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
3354   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
3355   // |pepper_last_mouse_event_target_|.
3356   pepper_last_mouse_event_target_ = NULL;
3357 #endif
3358
3359   // If the mouse is locked, only the current owner of the mouse lock can
3360   // process mouse events.
3361   return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
3362 }
3363
3364 bool RenderViewImpl::WillHandleGestureEvent(
3365     const blink::WebGestureEvent& event) {
3366   possible_drag_event_info_.event_source =
3367       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
3368   possible_drag_event_info_.event_location =
3369       gfx::Point(event.globalX, event.globalY);
3370   return false;
3371 }
3372
3373 void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) {
3374   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event));
3375 }
3376
3377 void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) {
3378   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event));
3379 }
3380
3381 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
3382   if (!webview())
3383     return false;
3384   return webview()->hasTouchEventHandlersAt(point);
3385 }
3386
3387 void RenderViewImpl::OnWasHidden() {
3388   RenderWidget::OnWasHidden();
3389
3390 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3391   RenderThreadImpl::current()->video_capture_impl_manager()->
3392       SuspendDevices(true);
3393   if (speech_recognition_dispatcher_)
3394     speech_recognition_dispatcher_->AbortAllRecognitions();
3395 #endif
3396
3397   if (webview())
3398     webview()->setVisibilityState(visibilityState(), false);
3399
3400 #if defined(ENABLE_PLUGINS)
3401   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3402        i != active_pepper_instances_.end(); ++i)
3403     (*i)->PageVisibilityChanged(false);
3404
3405 #if defined(OS_MACOSX)
3406   // Inform NPAPI plugins that their container is no longer visible.
3407   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3408   for (plugin_it = plugin_delegates_.begin();
3409        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3410     (*plugin_it)->SetContainerVisibility(false);
3411   }
3412 #endif  // OS_MACOSX
3413 #endif // ENABLE_PLUGINS
3414 }
3415
3416 void RenderViewImpl::OnWasShown(bool needs_repainting,
3417                                 const ui::LatencyInfo& latency_info) {
3418   RenderWidget::OnWasShown(needs_repainting, latency_info);
3419
3420 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
3421   RenderThreadImpl::current()->video_capture_impl_manager()->
3422       SuspendDevices(false);
3423 #endif
3424
3425   if (webview())
3426     webview()->setVisibilityState(visibilityState(), false);
3427
3428 #if defined(ENABLE_PLUGINS)
3429   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3430        i != active_pepper_instances_.end(); ++i)
3431     (*i)->PageVisibilityChanged(true);
3432
3433 #if defined(OS_MACOSX)
3434   // Inform NPAPI plugins that their container is now visible.
3435   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3436   for (plugin_it = plugin_delegates_.begin();
3437        plugin_it != plugin_delegates_.end(); ++plugin_it) {
3438     (*plugin_it)->SetContainerVisibility(true);
3439   }
3440 #endif  // OS_MACOSX
3441 #endif  // ENABLE_PLUGINS
3442 }
3443
3444 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
3445   DCHECK(webview());
3446   if (webview()->mainFrame()->isWebLocalFrame())
3447     return GURL(webview()->mainFrame()->document().url());
3448   else
3449     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
3450 }
3451
3452 void RenderViewImpl::OnSetFocus(bool enable) {
3453   RenderWidget::OnSetFocus(enable);
3454
3455 #if defined(ENABLE_PLUGINS)
3456   if (webview() && webview()->isActive()) {
3457     // Notify all NPAPI plugins.
3458     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
3459     for (plugin_it = plugin_delegates_.begin();
3460          plugin_it != plugin_delegates_.end(); ++plugin_it) {
3461 #if defined(OS_MACOSX)
3462       // RenderWidget's call to setFocus can cause the underlying webview's
3463       // activation state to change just like a call to setIsActive.
3464       if (enable)
3465         (*plugin_it)->SetWindowFocus(true);
3466 #endif
3467       (*plugin_it)->SetContentAreaFocus(enable);
3468     }
3469   }
3470   // Notify all Pepper plugins.
3471   for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
3472        i != active_pepper_instances_.end(); ++i)
3473     (*i)->SetContentAreaFocus(enable);
3474 #endif
3475   // Notify all BrowserPlugins of the RenderView's focus state.
3476   if (BrowserPluginManager::Get())
3477     BrowserPluginManager::Get()->UpdateFocusState();
3478 }
3479
3480 void RenderViewImpl::OnImeSetComposition(
3481     const base::string16& text,
3482     const std::vector<blink::WebCompositionUnderline>& underlines,
3483     int selection_start,
3484     int selection_end) {
3485 #if defined(ENABLE_PLUGINS)
3486   if (focused_pepper_plugin_) {
3487     focused_pepper_plugin_->render_frame()->OnImeSetComposition(
3488         text, underlines, selection_start, selection_end);
3489     return;
3490   }
3491
3492 #if defined(OS_WIN)
3493   // When a plug-in has focus, we create platform-specific IME data used by
3494   // our IME emulator and send it directly to the focused plug-in, i.e. we
3495   // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
3496   // instance ID is the same one as the specified ID.)
3497   if (focused_plugin_id_ >= 0) {
3498     std::vector<int> clauses;
3499     std::vector<int> target;
3500     for (size_t i = 0; i < underlines.size(); ++i) {
3501       clauses.push_back(underlines[i].startOffset);
3502       clauses.push_back(underlines[i].endOffset);
3503       if (underlines[i].thick) {
3504         target.clear();
3505         target.push_back(underlines[i].startOffset);
3506         target.push_back(underlines[i].endOffset);
3507       }
3508     }
3509     std::set<WebPluginDelegateProxy*>::iterator it;
3510     for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
3511       (*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
3512                                    focused_plugin_id_);
3513     }
3514     return;
3515   }
3516 #endif  // OS_WIN
3517 #endif  // ENABLE_PLUGINS
3518   RenderWidget::OnImeSetComposition(text,
3519                                     underlines,
3520                                     selection_start,
3521                                     selection_end);
3522 }
3523
3524 void RenderViewImpl::OnImeConfirmComposition(
3525     const base::string16& text,
3526     const gfx::Range& replacement_range,
3527     bool keep_selection) {
3528 #if defined(ENABLE_PLUGINS)
3529   if (focused_pepper_plugin_) {
3530     focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
3531         text, replacement_range, keep_selection);
3532     return;
3533   }
3534 #if defined(OS_WIN)
3535   // Same as OnImeSetComposition(), we send the text from IMEs directly to
3536   // plug-ins. When we send IME text directly to plug-ins, we should not send
3537   // it to WebKit to prevent WebKit from controlling IMEs.
3538   // TODO(thakis): Honor |replacement_range| for plugins?
3539   if (focused_plugin_id_ >= 0) {
3540     std::set<WebPluginDelegateProxy*>::iterator it;
3541     for (it = plugin_delegates_.begin();
3542           it != plugin_delegates_.end(); ++it) {
3543       (*it)->ImeCompositionCompleted(text, focused_plugin_id_);
3544     }
3545     return;
3546   }
3547 #endif  // OS_WIN
3548 #endif  // ENABLE_PLUGINS
3549   if (replacement_range.IsValid() && webview()) {
3550     // Select the text in |replacement_range|, it will then be replaced by
3551     // text added by the call to RenderWidget::OnImeConfirmComposition().
3552     if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
3553       WebRange webrange = WebRange::fromDocumentRange(
3554           frame, replacement_range.start(), replacement_range.length());
3555       if (!webrange.isNull())
3556         frame->selectRange(webrange);
3557     }
3558   }
3559   RenderWidget::OnImeConfirmComposition(text,
3560                                         replacement_range,
3561                                         keep_selection);
3562 }
3563
3564 void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
3565   RenderWidget::SetDeviceScaleFactor(device_scale_factor);
3566   if (webview()) {
3567     webview()->setDeviceScaleFactor(device_scale_factor);
3568     webview()->settings()->setPreferCompositingToLCDTextEnabled(
3569         PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
3570   }
3571   if (auto_resize_mode_)
3572     AutoResizeCompositor();
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   // Round the double to avoid returning incorrect minimum/maximum zoom
3723   // percentages.
3724   int minimum_percent = round(
3725       ZoomLevelToZoomFactor(minimum_level) * 100);
3726   int maximum_percent = round(
3727       ZoomLevelToZoomFactor(maximum_level) * 100);
3728
3729   Send(new ViewHostMsg_UpdateZoomLimits(
3730       routing_id_, minimum_percent, maximum_percent));
3731 }
3732
3733 void RenderViewImpl::zoomLevelChanged() {
3734   double zoom_level = webview()->zoomLevel();
3735
3736   // Do not send empty URLs to the browser when we are just setting the default
3737   // zoom level (from RendererPreferences) before the first navigation.
3738   if (!webview()->mainFrame()->document().url().isEmpty()) {
3739     // Tell the browser which url got zoomed so it can update the menu and the
3740     // saved values if necessary
3741     Send(new ViewHostMsg_DidZoomURL(
3742         routing_id_, zoom_level,
3743         GURL(webview()->mainFrame()->document().url())));
3744   }
3745 }
3746
3747 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
3748   return ZoomLevelToZoomFactor(zoom_level);
3749 }
3750
3751 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
3752   return ZoomFactorToZoomLevel(factor);
3753 }
3754
3755 void RenderViewImpl::registerProtocolHandler(const WebString& scheme,
3756                                              const WebURL& url,
3757                                              const WebString& title) {
3758   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3759   Send(new ViewHostMsg_RegisterProtocolHandler(routing_id_,
3760                                                base::UTF16ToUTF8(scheme),
3761                                                url,
3762                                                title,
3763                                                user_gesture));
3764 }
3765
3766 void RenderViewImpl::unregisterProtocolHandler(const WebString& scheme,
3767                                                const WebURL& url) {
3768   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3769   Send(new ViewHostMsg_UnregisterProtocolHandler(routing_id_,
3770                                                  base::UTF16ToUTF8(scheme),
3771                                                  url,
3772                                                  user_gesture));
3773 }
3774
3775 blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
3776   blink::WebPageVisibilityState current_state = is_hidden() ?
3777       blink::WebPageVisibilityStateHidden :
3778       blink::WebPageVisibilityStateVisible;
3779   blink::WebPageVisibilityState override_state = current_state;
3780   // TODO(jam): move this method to WebFrameClient.
3781   if (GetContentClient()->renderer()->
3782           ShouldOverridePageVisibilityState(main_render_frame_.get(),
3783                                             &override_state))
3784     return override_state;
3785   return current_state;
3786 }
3787
3788 void RenderViewImpl::draggableRegionsChanged() {
3789   FOR_EACH_OBSERVER(
3790       RenderViewObserver,
3791       observers_,
3792       DraggableRegionsChanged(webview()->mainFrame()));
3793 }
3794
3795 #if defined(OS_ANDROID)
3796 WebContentDetectionResult RenderViewImpl::detectContentAround(
3797     const WebHitTestResult& touch_hit) {
3798   DCHECK(touch_hit.node().isTextNode());
3799
3800   // Process the position with all the registered content detectors until
3801   // a match is found. Priority is provided by their relative order.
3802   for (ContentDetectorList::const_iterator it = content_detectors_.begin();
3803       it != content_detectors_.end(); ++it) {
3804     ContentDetector::Result content = (*it)->FindTappedContent(touch_hit);
3805     if (content.valid) {
3806       return WebContentDetectionResult(content.content_boundaries,
3807           base::UTF8ToUTF16(content.text), content.intent_url);
3808     }
3809   }
3810   return WebContentDetectionResult();
3811 }
3812
3813 void RenderViewImpl::scheduleContentIntent(const WebURL& intent) {
3814   // Introduce a short delay so that the user can notice the content.
3815   base::MessageLoop::current()->PostDelayedTask(
3816       FROM_HERE,
3817       base::Bind(&RenderViewImpl::LaunchAndroidContentIntent,
3818                  AsWeakPtr(),
3819                  intent,
3820                  expected_content_intent_id_),
3821       base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
3822 }
3823
3824 void RenderViewImpl::cancelScheduledContentIntents() {
3825   ++expected_content_intent_id_;
3826 }
3827
3828 void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
3829                                                 size_t request_id) {
3830   if (request_id != expected_content_intent_id_)
3831     return;
3832
3833   // Remove the content highlighting if any.
3834   scheduleComposite();
3835
3836   if (!intent.is_empty())
3837     Send(new ViewHostMsg_StartContentIntent(routing_id_, intent));
3838 }
3839
3840 bool RenderViewImpl::openDateTimeChooser(
3841     const blink::WebDateTimeChooserParams& params,
3842     blink::WebDateTimeChooserCompletion* completion) {
3843   // JavaScript may try to open a date time chooser while one is already open.
3844   if (date_time_picker_client_)
3845     return false;
3846   date_time_picker_client_.reset(
3847       new RendererDateTimePicker(this, params, completion));
3848   return date_time_picker_client_->Open();
3849 }
3850
3851 void RenderViewImpl::DismissDateTimeDialog() {
3852   DCHECK(date_time_picker_client_);
3853   date_time_picker_client_.reset(NULL);
3854 }
3855
3856 #endif  // defined(OS_ANDROID)
3857
3858 void RenderViewImpl::OnShowContextMenu(
3859     ui::MenuSourceType source_type, const gfx::Point& location) {
3860   context_menu_source_type_ = source_type;
3861   has_host_context_menu_location_ = true;
3862   host_context_menu_location_ = location;
3863   if (webview())
3864     webview()->showContextMenu();
3865   has_host_context_menu_location_ = false;
3866 }
3867
3868 void RenderViewImpl::OnEnableViewSourceMode() {
3869   if (!webview())
3870     return;
3871   WebFrame* main_frame = webview()->mainFrame();
3872   if (!main_frame)
3873     return;
3874   main_frame->enableViewSourceMode(true);
3875 }
3876
3877 #if defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
3878 bool RenderViewImpl::didTapMultipleTargets(
3879     const WebSize& inner_viewport_offset,
3880     const WebRect& touch_rect,
3881     const WebVector<WebRect>& target_rects) {
3882   if (!switches::IsLinkDisambiguationPopupEnabled())
3883     return false;
3884
3885   // Never show a disambiguation popup when accessibility is enabled,
3886   // as this interferes with "touch exploration".
3887   AccessibilityMode accessibility_mode =
3888       GetMainRenderFrame()->accessibility_mode();
3889   bool matches_accessibility_mode_complete =
3890       (accessibility_mode & AccessibilityModeComplete) ==
3891           AccessibilityModeComplete;
3892   if (matches_accessibility_mode_complete)
3893     return false;
3894
3895   // The touch_rect, target_rects and zoom_rect are in the outer viewport
3896   // reference frame.
3897   gfx::Rect zoom_rect;
3898   float new_total_scale =
3899       DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
3900           touch_rect, target_rects, GetSize(),
3901           gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
3902           device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
3903   if (!new_total_scale || zoom_rect.IsEmpty())
3904     return false;
3905
3906   bool handled = false;
3907   switch (renderer_preferences_.tap_multiple_targets_strategy) {
3908     case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
3909       handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
3910       break;
3911     case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
3912       gfx::Size canvas_size =
3913           gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale));
3914       cc::SharedBitmapManager* manager =
3915           RenderThreadImpl::current()->shared_bitmap_manager();
3916       scoped_ptr<cc::SharedBitmap> shared_bitmap =
3917           manager->AllocateSharedBitmap(canvas_size);
3918       CHECK(!!shared_bitmap);
3919       {
3920         SkBitmap bitmap;
3921         SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
3922                                                       canvas_size.height());
3923         bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
3924         SkCanvas canvas(bitmap);
3925
3926         // TODO(trchen): Cleanup the device scale factor mess.
3927         // device scale will be applied in WebKit
3928         // --> zoom_rect doesn't include device scale,
3929         //     but WebKit will still draw on zoom_rect * device_scale_factor_
3930         canvas.scale(new_total_scale / device_scale_factor_,
3931                      new_total_scale / device_scale_factor_);
3932         canvas.translate(-zoom_rect.x() * device_scale_factor_,
3933                          -zoom_rect.y() * device_scale_factor_);
3934
3935         DCHECK(webwidget_->isAcceleratedCompositingActive());
3936         // TODO(aelias): The disambiguation popup should be composited so we
3937         // don't have to call this method.
3938         webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
3939       }
3940
3941       gfx::Rect zoom_rect_in_screen =
3942           zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
3943                                     inner_viewport_offset.height);
3944
3945       gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
3946           ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
3947
3948       Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
3949                                                    physical_window_zoom_rect,
3950                                                    canvas_size,
3951                                                    shared_bitmap->id()));
3952       cc::SharedBitmapId id = shared_bitmap->id();
3953       disambiguation_bitmaps_[id] = shared_bitmap.release();
3954       handled = true;
3955       break;
3956     }
3957     case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
3958       // No-op.
3959       break;
3960   }
3961
3962   return handled;
3963 }
3964 #endif  // defined(OS_ANDROID) || defined(TOOLKIT_VIEWS)
3965
3966 unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
3967   return history_list_length_;
3968 }
3969
3970 void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
3971   if (enable) {
3972     if (has_focus())
3973       return;
3974     OnSetActive(true);
3975     OnSetFocus(true);
3976   } else {
3977     if (!has_focus())
3978       return;
3979     OnSetFocus(false);
3980     OnSetActive(false);
3981   }
3982 }
3983
3984 void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
3985   ViewMsg_Resize_Params params;
3986   params.screen_info = screen_info_;
3987   params.screen_info.deviceScaleFactor = factor;
3988   params.new_size = size();
3989   params.visible_viewport_size = visible_viewport_size_;
3990   params.physical_backing_size =
3991       gfx::ToCeiledSize(gfx::ScaleSize(size(), factor));
3992   params.top_controls_shrink_blink_size = false;
3993   params.top_controls_height = 0.f;
3994   params.resizer_rect = WebRect();
3995   params.is_fullscreen = is_fullscreen();
3996   OnResize(params);
3997 }
3998
3999 void RenderViewImpl::SetDeviceColorProfileForTesting(
4000     const std::vector<char>& color_profile) {
4001   SetDeviceColorProfile(color_profile);
4002 }
4003
4004 void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
4005   gfx::Rect new_window_rect(rootWindowRect().x,
4006                             rootWindowRect().y,
4007                             new_size.width(),
4008                             new_size.height());
4009   SetWindowRectSynchronously(new_window_rect);
4010 }
4011
4012 void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
4013   resizing_mode_selector_->set_is_synchronous_mode(enable);
4014 }
4015
4016 void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
4017                                                 const gfx::Size& max_size) {
4018   OnEnableAutoResize(min_size, max_size);
4019 }
4020
4021 void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
4022   OnDisableAutoResize(new_size);
4023 }
4024
4025 void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
4026     const cc::SharedBitmapId& id) {
4027   BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
4028   DCHECK(it != disambiguation_bitmaps_.end());
4029   delete it->second;
4030   disambiguation_bitmaps_.erase(it);
4031 }
4032
4033 void RenderViewImpl::DidCommitCompositorFrame() {
4034   RenderWidget::DidCommitCompositorFrame();
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