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