content/renderer/render_view_impl.h

   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 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
   6 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
   7
   8 #include <deque>
   9 #include <map>
  10 #include <set>
  11 #include <string>
  12 #include <vector>
  13
  14 #include "base/basictypes.h"
  15 #include "base/gtest_prod_util.h"
  16 #include "base/id_map.h"
  17 #include "base/memory/linked_ptr.h"
  18 #include "base/memory/weak_ptr.h"
  19 #include "base/observer_list.h"
  20 #include "base/process/process.h"
  21 #include "base/strings/string16.h"
  22 #include "base/timer/timer.h"
  23 #include "build/build_config.h"
  24 #include "cc/input/top_controls_state.h"
  25 #include "content/common/content_export.h"
  26 #include "content/common/drag_event_source_info.h"
  27 #include "content/common/edit_command.h"
  28 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  29 #include "content/common/navigation_gesture.h"
  30 #include "content/common/view_message_enums.h"
  31 #include "content/public/common/javascript_message_type.h"
  32 #include "content/public/common/page_zoom.h"
  33 #include "content/public/common/referrer.h"
  34 #include "content/public/common/renderer_preferences.h"
  35 #include "content/public/common/stop_find_action.h"
  36 #include "content/public/common/top_controls_state.h"
  37 #include "content/public/renderer/render_view.h"
  38 #include "content/renderer/media/webmediaplayer_delegate.h"
  39 #include "content/renderer/mouse_lock_dispatcher.h"
  40 #include "content/renderer/render_frame_impl.h"
  41 #include "content/renderer/render_widget.h"
  42 #include "content/renderer/renderer_date_time_picker.h"
  43 #include "content/renderer/stats_collection_observer.h"
  44 #include "ipc/ipc_platform_file.h"
  45 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
  46 #include "third_party/WebKit/public/web/WebAXObject.h"
  47 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
  48 #include "third_party/WebKit/public/web/WebDataSource.h"
  49 #include "third_party/WebKit/public/web/WebFrameClient.h"
  50 #include "third_party/WebKit/public/web/WebHistoryItem.h"
  51 #include "third_party/WebKit/public/web/WebIconURL.h"
  52 #include "third_party/WebKit/public/web/WebInputEvent.h"
  53 #include "third_party/WebKit/public/web/WebNavigationType.h"
  54 #include "third_party/WebKit/public/web/WebNode.h"
  55 #include "third_party/WebKit/public/web/WebPageSerializerClient.h"
  56 #include "third_party/WebKit/public/web/WebPageVisibilityState.h"
  57 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
  58 #include "third_party/WebKit/public/web/WebViewClient.h"
  59 #include "ui/surface/transport_dib.h"
  60 #include "webkit/common/webpreferences.h"
  61
  62 #if defined(OS_ANDROID)
  63 #include "content/renderer/android/content_detector.h"
  64 #include "third_party/WebKit/public/web/WebContentDetectionResult.h"
  65 #endif
  66
  67 #if defined(COMPILER_MSVC)
  68 // RenderViewImpl is a diamond-shaped hierarchy, with WebWidgetClient at the
  69 // root. VS warns when we inherit the WebWidgetClient method implementations
  70 // from RenderWidget.  It's safe to ignore that warning.
  71 #pragma warning(disable: 4250)
  72 #endif
  73
  74 class CommandLine;
  75 class PepperDeviceTest;
  76 class SkBitmap;
  77 struct PP_NetAddress_Private;
  78 struct ViewMsg_Navigate_Params;
  79 struct ViewMsg_PostMessage_Params;
  80 struct ViewMsg_StopFinding_Params;
  81
  82 namespace ui {
  83 struct SelectedFileInfo;
  84 }  // namespace ui
  85
  86 namespace blink {
  87 class WebApplicationCacheHost;
  88 class WebApplicationCacheHostClient;
  89 class WebDOMMessageEvent;
  90 class WebDataSource;
  91 class WebDateTimeChooserCompletion;
  92 class WebDragData;
  93 class WebGeolocationClient;
  94 class WebGestureEvent;
  95 class WebIconURL;
  96 class WebImage;
  97 class WebPeerConnection00Handler;
  98 class WebPeerConnection00HandlerClient;
  99 class WebMediaPlayer;
 100 class WebMediaPlayerClient;
 101 class WebMouseEvent;
 102 class WebPeerConnectionHandler;
 103 class WebPeerConnectionHandlerClient;
 104 class WebSocketStreamHandle;
 105 class WebSpeechInputController;
 106 class WebSpeechInputListener;
 107 class WebSpeechRecognizer;
 108 class WebStorageNamespace;
 109 class WebTouchEvent;
 110 class WebURLRequest;
 111 class WebUserMediaClient;
 112 struct WebActiveWheelFlingParameters;
 113 struct WebDateTimeChooserParams;
 114 struct WebFileChooserParams;
 115 struct WebFindOptions;
 116 struct WebMediaPlayerAction;
 117 struct WebPluginAction;
 118 struct WebPoint;
 119 struct WebWindowFeatures;
 120
 121 #if defined(OS_ANDROID)
 122 class WebHitTestResult;
 123 #endif
 124
 125 // TODO(nhiroki): Remove this after a Blink-side patch is landed.
 126 // (http://crbug.com/338995)
 127 #ifdef NON_SELFDESTRUCT_WEBSTORAGEQUOTACALLBACKS
 128 typedef WebStorageQuotaCallbacks WebStorageQuotaCallbacksType;
 129 #else
 130 typedef WebStorageQuotaCallbacks* WebStorageQuotaCallbacksType;
 131 #endif
 132 }
 133
 134 namespace webkit_glue {
 135 class WebURLResponseExtraDataImpl;
 136 }
 137
 138 namespace content {
 139 class BrowserPluginManager;
 140 class DeviceOrientationDispatcher;
 141 class DevToolsAgent;
 142 class DocumentState;
 143 class ExternalPopupMenu;
 144 class FaviconHelper;
 145 class GeolocationDispatcher;
 146 class ImageResourceFetcher;
 147 class InputTagSpeechDispatcher;
 148 class JavaBridgeDispatcher;
 149 class LoadProgressTracker;
 150 class MidiDispatcher;
 151 class MediaStreamClient;
 152 class MediaStreamDispatcher;
 153 class MouseLockDispatcher;
 154 class NavigationState;
 155 class NotificationProvider;
 156 class PepperPluginInstanceImpl;
 157 class RenderViewObserver;
 158 class RenderViewTest;
 159 class RendererAccessibility;
 160 class RendererDateTimePicker;
 161 class RendererWebColorChooserImpl;
 162 class SpeechRecognitionDispatcher;
 163 class WebPluginDelegateProxy;
 164 struct DropData;
 165 struct FaviconURL;
 166 struct FileChooserParams;
 167 struct RenderViewImplParams;
 168
 169 #if defined(OS_ANDROID)
 170 class RendererMediaPlayerManager;
 171 class WebMediaPlayerProxyAndroid;
 172 #endif
 173
 174 //
 175 // RenderView is an object that manages a WebView object, and provides a
 176 // communication interface with an embedding application process
 177 //
 178 class CONTENT_EXPORT RenderViewImpl
 179     : public RenderWidget,
 180       NON_EXPORTED_BASE(public blink::WebViewClient),
 181       NON_EXPORTED_BASE(public blink::WebFrameClient),
 182       NON_EXPORTED_BASE(public blink::WebPageSerializerClient),
 183       public RenderView,
 184       NON_EXPORTED_BASE(public WebMediaPlayerDelegate),
 185       public base::SupportsWeakPtr<RenderViewImpl> {
 186  public:
 187   // Creates a new RenderView. |opener_id| is the routing ID of the RenderView
 188   // responsible for creating this RenderView.
 189   static RenderViewImpl* Create(
 190       int32 opener_id,
 191       const RendererPreferences& renderer_prefs,
 192       const WebPreferences& webkit_prefs,
 193       int32 routing_id,
 194       int32 main_frame_routing_id,
 195       int32 surface_id,
 196       int64 session_storage_namespace_id,
 197       const base::string16& frame_name,
 198       bool is_renderer_created,
 199       bool swapped_out,
 200       bool hidden,
 201       int32 next_page_id,
 202       const blink::WebScreenInfo& screen_info,
 203       AccessibilityMode accessibility_mode,
 204       bool allow_partial_swap);
 205
 206   // Used by content_layouttest_support to hook into the creation of
 207   // RenderViewImpls.
 208   static void InstallCreateHook(
 209       RenderViewImpl* (*create_render_view_impl)(RenderViewImplParams*));
 210
 211   // Returns the RenderViewImpl containing the given WebView.
 212   static RenderViewImpl* FromWebView(blink::WebView* webview);
 213
 214   // Returns the RenderViewImpl for the given routing ID.
 215   static RenderViewImpl* FromRoutingID(int routing_id);
 216
 217   // May return NULL when the view is closing.
 218   blink::WebView* webview() const;
 219
 220   int history_list_offset() const { return history_list_offset_; }
 221
 222   const WebPreferences& webkit_preferences() const {
 223     return webkit_preferences_;
 224   }
 225
 226   const RendererPreferences& renderer_preferences() const {
 227     return renderer_preferences_;
 228   }
 229
 230   void set_send_content_state_immediately(bool value) {
 231     send_content_state_immediately_ = value;
 232   }
 233
 234   RenderFrameImpl* main_render_frame() { return main_render_frame_.get(); }
 235
 236   MediaStreamDispatcher* media_stream_dispatcher() {
 237     return media_stream_dispatcher_;
 238   }
 239
 240   RendererAccessibility* renderer_accessibility() {
 241     return renderer_accessibility_;
 242   }
 243
 244   MouseLockDispatcher* mouse_lock_dispatcher() {
 245     return mouse_lock_dispatcher_;
 246   }
 247
 248   // Lazily initialize this view's BrowserPluginManager and return it.
 249   BrowserPluginManager* GetBrowserPluginManager();
 250
 251   // Functions to add and remove observers for this object.
 252   void AddObserver(RenderViewObserver* observer);
 253   void RemoveObserver(RenderViewObserver* observer);
 254
 255   // Returns the StatsCollectionObserver associated with this view, or NULL
 256   // if one wasn't created;
 257   StatsCollectionObserver* GetStatsCollectionObserver() {
 258     return stats_collection_observer_.get();
 259   }
 260
 261   // Adds the given file chooser request to the file_chooser_completion_ queue
 262   // (see that var for more) and requests the chooser be displayed if there are
 263   // no other waiting items in the queue.
 264   //
 265   // Returns true if the chooser was successfully scheduled. False means we
 266   // didn't schedule anything.
 267   bool ScheduleFileChooser(const FileChooserParams& params,
 268                            blink::WebFileChooserCompletion* completion);
 269
 270   void LoadNavigationErrorPage(
 271       blink::WebFrame* frame,
 272       const blink::WebURLRequest& failed_request,
 273       const blink::WebURLError& error,
 274       bool replace);
 275
 276 #if defined(OS_ANDROID)
 277   void DismissDateTimeDialog();
 278 #endif
 279
 280   // Plugin-related functions --------------------------------------------------
 281
 282 #if defined(ENABLE_PLUGINS)
 283   PepperPluginInstanceImpl* focused_pepper_plugin() {
 284     return focused_pepper_plugin_;
 285   }
 286   PepperPluginInstanceImpl* pepper_last_mouse_event_target() {
 287     return pepper_last_mouse_event_target_;
 288   }
 289   void set_pepper_last_mouse_event_target(PepperPluginInstanceImpl* plugin) {
 290     pepper_last_mouse_event_target_ = plugin;
 291   }
 292
 293 #if defined(OS_MACOSX) || defined(OS_WIN)
 294   // Informs the render view that the given plugin has gained or lost focus.
 295   void PluginFocusChanged(bool focused, int plugin_id);
 296 #endif
 297
 298 #if defined(OS_MACOSX)
 299   // Starts plugin IME.
 300   void StartPluginIme();
 301 #endif
 302
 303   // Indicates that the given instance has been created.
 304   void PepperInstanceCreated(PepperPluginInstanceImpl* instance);
 305
 306   // Indicates that the given instance is being destroyed. This is called from
 307   // the destructor, so it's important that the instance is not dereferenced
 308   // from this call.
 309   void PepperInstanceDeleted(PepperPluginInstanceImpl* instance);
 310
 311   // Notification that the given plugin is focused or unfocused.
 312   void PepperFocusChanged(PepperPluginInstanceImpl* instance, bool focused);
 313
 314   void RegisterPluginDelegate(WebPluginDelegateProxy* delegate);
 315   void UnregisterPluginDelegate(WebPluginDelegateProxy* delegate);
 316 #endif  // ENABLE_PLUGINS
 317
 318   void TransferActiveWheelFlingAnimation(
 319       const blink::WebActiveWheelFlingParameters& params);
 320
 321   // Returns true if the focused element is editable text from the perspective
 322   // of IME support (also used for on-screen keyboard). Works correctly inside
 323   // supported PPAPI plug-ins.
 324   bool HasIMETextFocus();
 325
 326   // Callback for use with GetWindowSnapshot.
 327   typedef base::Callback<void(
 328       const gfx::Size&, const std::vector<unsigned char>&)>
 329       WindowSnapshotCallback;
 330
 331   void GetWindowSnapshot(const WindowSnapshotCallback& callback);
 332
 333   // Dispatches the current navigation state to the browser. Called on a
 334   // periodic timer so we don't send too many messages.
 335   void SyncNavigationState();
 336
 337   // Temporary call until all this media code moves to RenderFrame.
 338   // TODO(jam): remove me
 339   blink::WebMediaPlayer* CreateMediaPlayer(
 340       RenderFrame* render_frame,
 341       blink::WebFrame* frame,
 342       const blink::WebURL& url,
 343       blink::WebMediaPlayerClient* client);
 344   // Temporary call until this code moves to RenderFrame.
 345   // virtual since overriden by WebTestProxy for layout tests.
 346   virtual blink::WebNavigationPolicy DecidePolicyForNavigation(
 347       RenderFrame* render_frame,
 348       blink::WebFrame* frame,
 349       blink::WebDataSource::ExtraData* extraData,
 350       const blink::WebURLRequest& request,
 351       blink::WebNavigationType type,
 352       blink::WebNavigationPolicy default_policy,
 353       bool is_redirect);
 354
 355   // Returns the length of the session history of this RenderView. Note that
 356   // this only coincides with the actual length of the session history if this
 357   // RenderView is the currently active RenderView of a WebContents.
 358   unsigned GetLocalSessionHistoryLengthForTesting() const;
 359
 360   // Invokes OnSetFocus and marks the widget as active depending on the value
 361   // of |enable|. This is used for layout tests that need to control the focus
 362   // synchronously from the renderer.
 363   void SetFocusAndActivateForTesting(bool enable);
 364
 365   // Change the device scale factor and force the compositor to resize.
 366   void SetDeviceScaleFactorForTesting(float factor);
 367
 368   // Used to force the size of a window when running layout tests.
 369   void ForceResizeForTesting(const gfx::Size& new_size);
 370
 371   void UseSynchronousResizeModeForTesting(bool enable);
 372
 373   // Control autoresize mode.
 374   void EnableAutoResizeForTesting(const gfx::Size& min_size,
 375                                   const gfx::Size& max_size);
 376   void DisableAutoResizeForTesting(const gfx::Size& new_size);
 377
 378   // Overrides the MediaStreamClient used when creating MediaStream players.
 379   // Must be called before any players are created.
 380   void SetMediaStreamClientForTesting(MediaStreamClient* media_stream_client);
 381
 382   // IPC::Listener implementation ----------------------------------------------
 383
 384   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 385
 386   // blink::WebWidgetClient implementation ------------------------------------
 387
 388   // Most methods are handled by RenderWidget.
 389   virtual void didFocus();
 390   virtual void didBlur();
 391   virtual void show(blink::WebNavigationPolicy policy);
 392   virtual void runModal();
 393   virtual bool enterFullScreen();
 394   virtual void exitFullScreen();
 395   virtual bool requestPointerLock();
 396   virtual void requestPointerUnlock();
 397   virtual bool isPointerLocked();
 398   virtual void didActivateCompositor(int input_handler_identifier);
 399   virtual void didHandleGestureEvent(const blink::WebGestureEvent& event,
 400                                      bool event_cancelled) OVERRIDE;
 401   virtual void initializeLayerTreeView() OVERRIDE;
 402
 403   // blink::WebViewClient implementation --------------------------------------
 404
 405   virtual blink::WebView* createView(
 406       blink::WebFrame* creator,
 407       const blink::WebURLRequest& request,
 408       const blink::WebWindowFeatures& features,
 409       const blink::WebString& frame_name,
 410       blink::WebNavigationPolicy policy,
 411       bool suppress_opener);
 412   virtual blink::WebWidget* createPopupMenu(blink::WebPopupType popup_type);
 413   virtual blink::WebExternalPopupMenu* createExternalPopupMenu(
 414       const blink::WebPopupMenuInfo& popup_menu_info,
 415       blink::WebExternalPopupMenuClient* popup_menu_client);
 416   virtual blink::WebStorageNamespace* createSessionStorageNamespace();
 417   virtual bool shouldReportDetailedMessageForSource(
 418       const blink::WebString& source);
 419   virtual void didAddMessageToConsole(
 420       const blink::WebConsoleMessage& message,
 421       const blink::WebString& source_name,
 422       unsigned source_line,
 423       const blink::WebString& stack_trace);
 424   virtual void printPage(blink::WebFrame* frame);
 425   virtual blink::WebNotificationPresenter* notificationPresenter();
 426   virtual bool enumerateChosenDirectory(
 427       const blink::WebString& path,
 428       blink::WebFileChooserCompletion* chooser_completion);
 429   virtual void initializeHelperPluginWebFrame(blink::WebHelperPlugin*);
 430   virtual void didStartLoading(bool to_different_document);
 431   // DEPRECATED
 432   virtual void didStartLoading();
 433   virtual void didStopLoading();
 434   virtual void didChangeLoadProgress(blink::WebFrame* frame,
 435                                      double load_progress);
 436   virtual void didCancelCompositionOnSelectionChange();
 437   virtual void didChangeSelection(bool is_selection_empty);
 438   virtual void didExecuteCommand(const blink::WebString& command_name);
 439   virtual bool handleCurrentKeyboardEvent();
 440   virtual blink::WebColorChooser* createColorChooser(
 441       blink::WebColorChooserClient*,
 442       const blink::WebColor& initial_color,
 443       const blink::WebVector<blink::WebColorSuggestion>& suggestions);
 444   virtual bool runFileChooser(
 445       const blink::WebFileChooserParams& params,
 446       blink::WebFileChooserCompletion* chooser_completion);
 447   virtual void runModalAlertDialog(blink::WebFrame* frame,
 448                                    const blink::WebString& message);
 449   virtual bool runModalConfirmDialog(blink::WebFrame* frame,
 450                                      const blink::WebString& message);
 451   virtual bool runModalPromptDialog(blink::WebFrame* frame,
 452                                     const blink::WebString& message,
 453                                     const blink::WebString& default_value,
 454                                     blink::WebString* actual_value);
 455   virtual bool runModalBeforeUnloadDialog(blink::WebFrame* frame,
 456                                           bool is_reload,
 457                                           const blink::WebString& message);
 458   virtual void showValidationMessage(const blink::WebRect& anchor_in_root_view,
 459                                      const blink::WebString& main_text,
 460                                      const blink::WebString& sub_text,
 461                                      blink::WebTextDirection hint) OVERRIDE;
 462   virtual void hideValidationMessage() OVERRIDE;
 463   virtual void moveValidationMessage(
 464       const blink::WebRect& anchor_in_root_view) OVERRIDE;
 465
 466   // DEPRECATED
 467   virtual bool runModalBeforeUnloadDialog(blink::WebFrame* frame,
 468                                           const blink::WebString& message);
 469   virtual void showContextMenu(blink::WebFrame* frame,
 470                                const blink::WebContextMenuData& data);
 471   virtual void clearContextMenu();
 472   virtual void setStatusText(const blink::WebString& text);
 473   virtual void setMouseOverURL(const blink::WebURL& url);
 474   virtual void setKeyboardFocusURL(const blink::WebURL& url);
 475   virtual void startDragging(blink::WebFrame* frame,
 476                              const blink::WebDragData& data,
 477                              blink::WebDragOperationsMask mask,
 478                              const blink::WebImage& image,
 479                              const blink::WebPoint& imageOffset);
 480   virtual bool acceptsLoadDrops();
 481   virtual void focusNext();
 482   virtual void focusPrevious();
 483   virtual void focusedNodeChanged(const blink::WebNode& node);
 484   virtual void numberOfWheelEventHandlersChanged(unsigned num_handlers);
 485   virtual void didUpdateLayout();
 486 #if defined(OS_ANDROID)
 487   virtual bool didTapMultipleTargets(
 488       const blink::WebGestureEvent& event,
 489       const blink::WebVector<blink::WebRect>& target_rects);
 490 #endif
 491   virtual void navigateBackForwardSoon(int offset);
 492   virtual int historyBackListCount();
 493   virtual int historyForwardListCount();
 494   virtual void postAccessibilityEvent(
 495       const blink::WebAXObject& obj, blink::WebAXEvent event);
 496   virtual void didUpdateInspectorSetting(const blink::WebString& key,
 497                                          const blink::WebString& value);
 498   virtual blink::WebGeolocationClient* geolocationClient();
 499   virtual blink::WebSpeechInputController* speechInputController(
 500       blink::WebSpeechInputListener* listener);
 501   virtual blink::WebSpeechRecognizer* speechRecognizer();
 502   virtual void zoomLimitsChanged(double minimum_level, double maximum_level);
 503   virtual void zoomLevelChanged();
 504   virtual double zoomLevelToZoomFactor(double zoom_level) const;
 505   virtual double zoomFactorToZoomLevel(double factor) const;
 506   virtual void registerProtocolHandler(const blink::WebString& scheme,
 507                                        const blink::WebURL& base_url,
 508                                        const blink::WebURL& url,
 509                                        const blink::WebString& title);
 510   virtual blink::WebPageVisibilityState visibilityState() const;
 511   virtual blink::WebUserMediaClient* userMediaClient();
 512   virtual blink::WebMIDIClient* webMIDIClient();
 513   virtual void draggableRegionsChanged();
 514
 515 #if defined(OS_ANDROID)
 516   virtual void scheduleContentIntent(const blink::WebURL& intent);
 517   virtual void cancelScheduledContentIntents();
 518   virtual blink::WebContentDetectionResult detectContentAround(
 519       const blink::WebHitTestResult& touch_hit);
 520
 521   // Only used on Android since all other platforms implement
 522   // date and time input fields using MULTIPLE_FIELDS_UI
 523   virtual bool openDateTimeChooser(const blink::WebDateTimeChooserParams&,
 524                                    blink::WebDateTimeChooserCompletion*);
 525   virtual void didScrollWithKeyboard(const blink::WebSize& delta);
 526 #endif
 527
 528   // blink::WebFrameClient implementation -------------------------------------
 529
 530   virtual blink::WebMediaPlayer* createMediaPlayer(
 531       blink::WebFrame* frame,
 532       const blink::WebURL& url,
 533       blink::WebMediaPlayerClient* client);
 534   virtual void didAccessInitialDocument(blink::WebFrame* frame);
 535   virtual void didDisownOpener(blink::WebFrame* frame);
 536   virtual void frameDetached(blink::WebFrame* frame);
 537   virtual void willClose(blink::WebFrame* frame);
 538   virtual void didMatchCSS(
 539       blink::WebFrame* frame,
 540       const blink::WebVector<blink::WebString>& newly_matching_selectors,
 541       const blink::WebVector<blink::WebString>& stopped_matching_selectors);
 542   virtual void willSendSubmitEvent(blink::WebFrame* frame,
 543                                    const blink::WebFormElement& form);
 544   virtual void willSubmitForm(blink::WebFrame* frame,
 545                               const blink::WebFormElement& form);
 546   virtual void didCreateDataSource(blink::WebFrame* frame,
 547                                    blink::WebDataSource* datasource);
 548   virtual void didStartProvisionalLoad(blink::WebFrame* frame);
 549   virtual void didFailProvisionalLoad(blink::WebFrame* frame,
 550                                       const blink::WebURLError& error);
 551   virtual void didCommitProvisionalLoad(blink::WebFrame* frame,
 552                                         bool is_new_navigation);
 553   virtual void didClearWindowObject(blink::WebFrame* frame, int world_id);
 554   virtual void didCreateDocumentElement(blink::WebFrame* frame);
 555   virtual void didReceiveTitle(blink::WebFrame* frame,
 556                                const blink::WebString& title,
 557                                blink::WebTextDirection direction);
 558   virtual void didChangeIcon(blink::WebFrame*,
 559                              blink::WebIconURL::Type);
 560   virtual void didFinishDocumentLoad(blink::WebFrame* frame);
 561   virtual void didHandleOnloadEvents(blink::WebFrame* frame);
 562   virtual void didFailLoad(blink::WebFrame* frame,
 563                            const blink::WebURLError& error);
 564   virtual void didFinishLoad(blink::WebFrame* frame);
 565   virtual void didNavigateWithinPage(blink::WebFrame* frame,
 566                                      bool is_new_navigation);
 567   virtual void didUpdateCurrentHistoryItem(blink::WebFrame* frame);
 568   virtual void willSendRequest(blink::WebFrame* frame,
 569                                unsigned identifier,
 570                                blink::WebURLRequest& request,
 571                                const blink::WebURLResponse& redirect_response);
 572   virtual void didReceiveResponse(blink::WebFrame* frame,
 573                                   unsigned identifier,
 574                                   const blink::WebURLResponse& response);
 575   virtual void didFinishResourceLoad(blink::WebFrame* frame,
 576                                      unsigned identifier);
 577   virtual void didLoadResourceFromMemoryCache(
 578       blink::WebFrame* frame,
 579       const blink::WebURLRequest& request,
 580       const blink::WebURLResponse&);
 581   virtual void didDisplayInsecureContent(blink::WebFrame* frame);
 582   virtual void didRunInsecureContent(
 583       blink::WebFrame* frame,
 584       const blink::WebSecurityOrigin& origin,
 585       const blink::WebURL& target);
 586   virtual void didExhaustMemoryAvailableForScript(blink::WebFrame* frame);
 587   virtual void didCreateScriptContext(blink::WebFrame* frame,
 588                                       v8::Handle<v8::Context>,
 589                                       int extension_group,
 590                                       int world_id);
 591   virtual void willReleaseScriptContext(blink::WebFrame* frame,
 592                                         v8::Handle<v8::Context>,
 593                                         int world_id);
 594   virtual void didChangeScrollOffset(blink::WebFrame* frame);
 595   virtual void willInsertBody(blink::WebFrame* frame);
 596   virtual void didFirstVisuallyNonEmptyLayout(blink::WebFrame*);
 597   virtual void didChangeContentsSize(blink::WebFrame* frame,
 598                                      const blink::WebSize& size);
 599   virtual void reportFindInPageMatchCount(int request_id,
 600                                           int count,
 601                                           bool final_update);
 602   virtual void reportFindInPageSelection(int request_id,
 603                                          int active_match_ordinal,
 604                                          const blink::WebRect& sel);
 605   virtual void requestStorageQuota(
 606       blink::WebFrame* frame,
 607       blink::WebStorageQuotaType type,
 608       unsigned long long requested_size,
 609       blink::WebStorageQuotaCallbacksType callbacks);
 610   virtual void willOpenSocketStream(
 611       blink::WebSocketStreamHandle* handle);
 612   virtual void willStartUsingPeerConnectionHandler(blink::WebFrame* frame,
 613       blink::WebRTCPeerConnectionHandler* handler);
 614   virtual bool willCheckAndDispatchMessageEvent(
 615       blink::WebFrame* sourceFrame,
 616       blink::WebFrame* targetFrame,
 617       blink::WebSecurityOrigin targetOrigin,
 618       blink::WebDOMMessageEvent event);
 619   virtual blink::WebString acceptLanguages();
 620   virtual blink::WebString userAgentOverride(
 621       blink::WebFrame* frame,
 622       const blink::WebURL& url);
 623   virtual blink::WebString doNotTrackValue(blink::WebFrame* frame);
 624   virtual bool allowWebGL(blink::WebFrame* frame, bool default_value);
 625   virtual void didLoseWebGLContext(
 626       blink::WebFrame* frame,
 627       int arb_robustness_status_code);
 628
 629   // blink::WebPageSerializerClient implementation ----------------------------
 630
 631   virtual void didSerializeDataForFrame(
 632       const blink::WebURL& frame_url,
 633       const blink::WebCString& data,
 634       PageSerializationStatus status) OVERRIDE;
 635
 636   // RenderView implementation -------------------------------------------------
 637
 638   virtual bool Send(IPC::Message* message) OVERRIDE;
 639   virtual RenderFrame* GetMainRenderFrame() OVERRIDE;
 640   virtual int GetRoutingID() const OVERRIDE;
 641   virtual int GetPageId() const OVERRIDE;
 642   virtual gfx::Size GetSize() const OVERRIDE;
 643   virtual WebPreferences& GetWebkitPreferences() OVERRIDE;
 644   virtual void SetWebkitPreferences(const WebPreferences& preferences) OVERRIDE;
 645   virtual blink::WebView* GetWebView() OVERRIDE;
 646   virtual blink::WebNode GetFocusedNode() const OVERRIDE;
 647   virtual blink::WebNode GetContextMenuNode() const OVERRIDE;
 648   virtual bool IsEditableNode(const blink::WebNode& node) const OVERRIDE;
 649   virtual void EvaluateScript(const base::string16& frame_xpath,
 650                               const base::string16& jscript,
 651                               int id,
 652                               bool notify_result) OVERRIDE;
 653   virtual bool ShouldDisplayScrollbars(int width, int height) const OVERRIDE;
 654   virtual int GetEnabledBindings() const OVERRIDE;
 655   virtual bool GetContentStateImmediately() const OVERRIDE;
 656   virtual float GetFilteredTimePerFrame() const OVERRIDE;
 657   virtual blink::WebPageVisibilityState GetVisibilityState() const OVERRIDE;
 658   virtual void RunModalAlertDialog(blink::WebFrame* frame,
 659                                    const blink::WebString& message) OVERRIDE;
 660   virtual void DidStartLoading() OVERRIDE;
 661   virtual void DidStopLoading() OVERRIDE;
 662   virtual void Repaint(const gfx::Size& size) OVERRIDE;
 663   virtual void SetEditCommandForNextKeyEvent(const std::string& name,
 664                                              const std::string& value) OVERRIDE;
 665   virtual void ClearEditCommands() OVERRIDE;
 666   virtual SSLStatus GetSSLStatusOfFrame(blink::WebFrame* frame) const OVERRIDE;
 667   virtual const std::string& GetAcceptLanguages() const OVERRIDE;
 668 #if defined(OS_ANDROID)
 669   virtual void UpdateTopControlsState(TopControlsState constraints,
 670                                       TopControlsState current,
 671                                       bool animate) OVERRIDE;
 672 #endif
 673
 674   // WebMediaPlayerDelegate implementation -----------------------
 675
 676   virtual void DidPlay(blink::WebMediaPlayer* player) OVERRIDE;
 677   virtual void DidPause(blink::WebMediaPlayer* player) OVERRIDE;
 678   virtual void PlayerGone(blink::WebMediaPlayer* player) OVERRIDE;
 679
 680   // Please do not add your stuff randomly to the end here. If there is an
 681   // appropriate section, add it there. If not, there are some random functions
 682   // nearer to the top you can add it to.
 683
 684   // Cannot use std::set unfortunately since linked_ptr<> does not support
 685   // operator<.
 686   typedef std::vector<linked_ptr<ImageResourceFetcher> >
 687       ImageResourceFetcherList;
 688
 689  protected:
 690   // RenderWidget overrides:
 691   virtual void Close() OVERRIDE;
 692   virtual void OnResize(const ViewMsg_Resize_Params& params) OVERRIDE;
 693   virtual void DidInitiatePaint() OVERRIDE;
 694   virtual void DidFlushPaint() OVERRIDE;
 695   virtual PepperPluginInstanceImpl* GetBitmapForOptimizedPluginPaint(
 696       const gfx::Rect& paint_bounds,
 697       TransportDIB** dib,
 698       gfx::Rect* location,
 699       gfx::Rect* clip,
 700       float* scale_factor) OVERRIDE;
 701   virtual gfx::Vector2d GetScrollOffset() OVERRIDE;
 702   virtual void DidHandleKeyEvent() OVERRIDE;
 703   virtual bool WillHandleMouseEvent(
 704       const blink::WebMouseEvent& event) OVERRIDE;
 705   virtual bool WillHandleGestureEvent(
 706       const blink::WebGestureEvent& event) OVERRIDE;
 707   virtual void DidHandleMouseEvent(const blink::WebMouseEvent& event) OVERRIDE;
 708   virtual void DidHandleTouchEvent(const blink::WebTouchEvent& event) OVERRIDE;
 709   virtual bool HasTouchEventHandlersAt(const gfx::Point& point) const OVERRIDE;
 710   virtual void OnSetFocus(bool enable) OVERRIDE;
 711   virtual void OnWasHidden() OVERRIDE;
 712   virtual void OnWasShown(bool needs_repainting) OVERRIDE;
 713   virtual GURL GetURLForGraphicsContext3D() OVERRIDE;
 714   virtual bool ForceCompositingModeEnabled() OVERRIDE;
 715   virtual void OnImeSetComposition(
 716       const base::string16& text,
 717       const std::vector<blink::WebCompositionUnderline>& underlines,
 718       int selection_start,
 719       int selection_end) OVERRIDE;
 720   virtual void OnImeConfirmComposition(const base::string16& text,
 721                                        const gfx::Range& replacement_range,
 722                                        bool keep_selection) OVERRIDE;
 723   virtual void SetDeviceScaleFactor(float device_scale_factor) OVERRIDE;
 724   virtual ui::TextInputType GetTextInputType() OVERRIDE;
 725   virtual void GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) OVERRIDE;
 726 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(USE_AURA)
 727   virtual void GetCompositionCharacterBounds(
 728       std::vector<gfx::Rect>* character_bounds) OVERRIDE;
 729   virtual void GetCompositionRange(gfx::Range* range) OVERRIDE;
 730 #endif
 731   virtual bool CanComposeInline() OVERRIDE;
 732   virtual void DidCommitCompositorFrame() OVERRIDE;
 733   virtual void InstrumentWillBeginFrame(int frame_id) OVERRIDE;
 734   virtual void InstrumentDidBeginFrame() OVERRIDE;
 735   virtual void InstrumentDidCancelFrame() OVERRIDE;
 736   virtual void InstrumentWillComposite() OVERRIDE;
 737   virtual bool AllowPartialSwap() const OVERRIDE;
 738
 739  protected:
 740   explicit RenderViewImpl(RenderViewImplParams* params);
 741
 742   void Initialize(RenderViewImplParams* params);
 743   virtual void SetScreenMetricsEmulationParameters(
 744       float device_scale_factor,
 745       const gfx::Point& root_layer_offset,
 746       float root_layer_scale) OVERRIDE;
 747
 748   // Do not delete directly.  This class is reference counted.
 749   virtual ~RenderViewImpl();
 750
 751  private:
 752   // For unit tests.
 753   friend class ExternalPopupMenuTest;
 754   friend class PepperDeviceTest;
 755   friend class RendererAccessibilityTest;
 756   friend class RenderViewTest;
 757
 758   // TODO(nasko): Temporarily friend RenderFrameImpl, so we don't duplicate
 759   // utility functions needed in both classes, while we move frame specific
 760   // code away from this class.
 761   friend class RenderFrameImpl;
 762
 763   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuRemoveTest, RemoveOnChange);
 764   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, NormalCase);
 765   FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, ShowPopupThenNavigate);
 766   FRIEND_TEST_ALL_PREFIXES(RendererAccessibilityTest,
 767                            AccessibilityMessagesQueueWhileSwappedOut);
 768   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, DecideNavigationPolicyForWebUI);
 769   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 770                            DidFailProvisionalLoadWithErrorForError);
 771   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 772                            DidFailProvisionalLoadWithErrorForCancellation);
 773   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 774                            DontIgnoreBackAfterNavEntryLimit);
 775   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ImeComposition);
 776   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, InsertCharacters);
 777   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, JSBlockSentAfterPageLoad);
 778   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, LastCommittedUpdateState);
 779   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnExtendSelectionAndDelete);
 780   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnHandleKeyboardEvent);
 781   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnImeTypeChanged);
 782   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavStateChanged);
 783   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnSetTextDirection);
 784   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnUpdateWebPreferences);
 785   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SendSwapOutACK);
 786   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ReloadWhileSwappedOut);
 787   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 788                            SetEditableSelectionAndComposition);
 789   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, StaleNavigationsIgnored);
 790   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, UpdateTargetURLWithInvalidURL);
 791   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 792                            GetCompositionCharacterBoundsTest);
 793   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavigationHttpPost);
 794   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 795                            DecideNavigationPolicyHandlesAllTopLevel);
 796 #if defined(OS_MACOSX)
 797   FRIEND_TEST_ALL_PREFIXES(RenderViewTest, MacTestCmdUp);
 798 #endif
 799   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SetHistoryLengthAndPrune);
 800   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ZoomLimit);
 801   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, NavigateFrame);
 802   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, BasicRenderFrame);
 803   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, TextInputTypeWithPepper);
 804   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 805                            MessageOrderInDidChangeSelection);
 806   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SendCandidateWindowEvents);
 807   FRIEND_TEST_ALL_PREFIXES(SuppressErrorPageTest, Suppresses);
 808   FRIEND_TEST_ALL_PREFIXES(SuppressErrorPageTest, DoesNotSuppress);
 809
 810   typedef std::map<GURL, double> HostZoomLevels;
 811
 812   enum ErrorPageType {
 813     DNS_ERROR,
 814     HTTP_404,
 815     CONNECTION_ERROR,
 816   };
 817
 818   static void GetRedirectChain(blink::WebDataSource* ds,
 819                                std::vector<GURL>* result);
 820
 821   static blink::WebReferrerPolicy GetReferrerPolicyFromRequest(
 822       blink::WebFrame* frame,
 823       const blink::WebURLRequest& request);
 824
 825   static Referrer GetReferrerFromRequest(
 826       blink::WebFrame* frame,
 827       const blink::WebURLRequest& request);
 828
 829   static webkit_glue::WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
 830       const blink::WebURLResponse& response);
 831
 832   void UpdateURL(blink::WebFrame* frame);
 833   void UpdateTitle(blink::WebFrame* frame, const base::string16& title,
 834                    blink::WebTextDirection title_direction);
 835   void UpdateSessionHistory(blink::WebFrame* frame);
 836   void SendUpdateState(const blink::WebHistoryItem& item);
 837
 838   // Update current main frame's encoding and send it to browser window.
 839   // Since we want to let users see the right encoding info from menu
 840   // before finishing loading, we call the UpdateEncoding in
 841   // a) function:DidCommitLoadForFrame. When this function is called,
 842   // that means we have got first data. In here we try to get encoding
 843   // of page if it has been specified in http header.
 844   // b) function:DidReceiveTitle. When this function is called,
 845   // that means we have got specified title. Because in most of webpages,
 846   // title tags will follow meta tags. In here we try to get encoding of
 847   // page if it has been specified in meta tag.
 848   // c) function:DidFinishDocumentLoadForFrame. When this function is
 849   // called, that means we have got whole html page. In here we should
 850   // finally get right encoding of page.
 851   void UpdateEncoding(blink::WebFrame* frame,
 852                       const std::string& encoding_name);
 853
 854   void OpenURL(blink::WebFrame* frame,
 855                const GURL& url,
 856                const Referrer& referrer,
 857                blink::WebNavigationPolicy policy);
 858
 859   bool RunJavaScriptMessage(JavaScriptMessageType type,
 860                             const base::string16& message,
 861                             const base::string16& default_value,
 862                             const GURL& frame_url,
 863                             base::string16* result);
 864
 865   // Sends a message and runs a nested message loop.
 866   bool SendAndRunNestedMessageLoop(IPC::SyncMessage* message);
 867
 868   // Called when the "pinned to left/right edge" state needs to be updated.
 869   void UpdateScrollState(blink::WebFrame* frame);
 870
 871   // IPC message handlers ------------------------------------------------------
 872   //
 873   // The documentation for these functions should be in
 874   // content/common/*_messages.h for the message that the function is handling.
 875
 876   void OnCopy();
 877   void OnCut();
 878   void OnDelete();
 879   void OnExecuteEditCommand(const std::string& name, const std::string& value);
 880   void OnMoveCaret(const gfx::Point& point);
 881   void OnPaste();
 882   void OnPasteAndMatchStyle();
 883   void OnRedo();
 884   void OnReplace(const base::string16& text);
 885   void OnReplaceMisspelling(const base::string16& text);
 886   void OnScrollFocusedEditableNodeIntoRect(const gfx::Rect& rect);
 887   void OnSelectAll();
 888   void OnSelectRange(const gfx::Point& start, const gfx::Point& end);
 889   void OnSetEditCommandsForNextKeyEvent(const EditCommands& edit_commands);
 890   void OnUndo();
 891   void OnUnselect();
 892   void OnAllowBindings(int enabled_bindings_flags);
 893   void OnAllowScriptToClose(bool script_can_close);
 894   void OnCancelDownload(int32 download_id);
 895   void OnClearFocusedNode();
 896   void OnClosePage();
 897   void OnShowContextMenu(const gfx::Point& location);
 898   void OnCopyImageAt(int x, int y);
 899   void OnCSSInsertRequest(const base::string16& frame_xpath,
 900                           const std::string& css);
 901   void OnSetName(const std::string& name);
 902   void OnDeterminePageLanguage();
 903   void OnDisableScrollbarsForSmallWindows(
 904       const gfx::Size& disable_scrollbars_size_limit);
 905   void OnDragSourceEndedOrMoved(const gfx::Point& client_point,
 906                                 const gfx::Point& screen_point,
 907                                 bool ended,
 908                                 blink::WebDragOperation drag_operation);
 909   void OnDragSourceSystemDragEnded();
 910   void OnDragTargetDrop(const gfx::Point& client_pt,
 911                         const gfx::Point& screen_pt,
 912                         int key_modifiers);
 913   void OnDragTargetDragEnter(const DropData& drop_data,
 914                              const gfx::Point& client_pt,
 915                              const gfx::Point& screen_pt,
 916                              blink::WebDragOperationsMask operations_allowed,
 917                              int key_modifiers);
 918   void OnDragTargetDragLeave();
 919   void OnDragTargetDragOver(const gfx::Point& client_pt,
 920                             const gfx::Point& screen_pt,
 921                             blink::WebDragOperationsMask operations_allowed,
 922                             int key_modifiers);
 923   void OnEnablePreferredSizeChangedMode();
 924   void OnEnableAutoResize(const gfx::Size& min_size, const gfx::Size& max_size);
 925   void OnDisableAutoResize(const gfx::Size& new_size);
 926   void OnEnumerateDirectoryResponse(int id,
 927                                     const std::vector<base::FilePath>& paths);
 928   void OnExtendSelectionAndDelete(int before, int after);
 929   void OnFileChooserResponse(
 930       const std::vector<ui::SelectedFileInfo>& files);
 931   void OnFind(int request_id,
 932               const base::string16&,
 933               const blink::WebFindOptions&);
 934   void OnGetAllSavableResourceLinksForCurrentPage(const GURL& page_url);
 935   void OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
 936       const std::vector<GURL>& links,
 937       const std::vector<base::FilePath>& local_paths,
 938       const base::FilePath& local_directory_name);
 939   void OnMediaPlayerActionAt(const gfx::Point& location,
 940                              const blink::WebMediaPlayerAction& action);
 941   void OnOrientationChangeEvent(int orientation);
 942   void OnPluginActionAt(const gfx::Point& location,
 943                         const blink::WebPluginAction& action);
 944   void OnMoveOrResizeStarted();
 945   void OnNavigate(const ViewMsg_Navigate_Params& params);
 946   void OnPostMessageEvent(const ViewMsg_PostMessage_Params& params);
 947   void OnReleaseDisambiguationPopupDIB(TransportDIB::Handle dib_handle);
 948   void OnReloadFrame();
 949   void OnResetPageEncodingToDefault();
 950   void OnScriptEvalRequest(const base::string16& frame_xpath,
 951                            const base::string16& jscript,
 952                            int id,
 953                            bool notify_result);
 954   void OnSetAccessibilityMode(AccessibilityMode new_mode);
 955   void OnSetActive(bool active);
 956   void OnSetBackground(const SkBitmap& background);
 957   void OnSetCompositionFromExistingText(
 958       int start, int end,
 959       const std::vector<blink::WebCompositionUnderline>& underlines);
 960   void OnExitFullscreen();
 961   void OnSetEditableSelectionOffsets(int start, int end);
 962   void OnSetHistoryLengthAndPrune(int history_length, int32 minimum_page_id);
 963   void OnSetInitialFocus(bool reverse);
 964   void OnSetPageEncoding(const std::string& encoding_name);
 965   void OnSetRendererPrefs(const RendererPreferences& renderer_prefs);
 966   void OnSetWebUIProperty(const std::string& name, const std::string& value);
 967   void OnSetZoomLevel(double zoom_level);
 968   void OnSetZoomLevelForLoadingURL(const GURL& url, double zoom_level);
 969   void OnShouldClose();
 970   void OnStop();
 971   void OnStopFinding(StopFindAction action);
 972   void OnSuppressDialogsUntilSwapOut();
 973   void OnSwapOut();
 974   void OnThemeChanged();
 975   void OnUpdateTargetURLAck();
 976   void OnUpdateTimezone();
 977   void OnUpdateWebPreferences(const WebPreferences& prefs);
 978   void OnZoom(PageZoom zoom);
 979   void OnZoomFactor(PageZoom zoom, int zoom_center_x, int zoom_center_y);
 980   void OnEnableViewSourceMode();
 981   void OnDisownOpener();
 982   void OnWindowSnapshotCompleted(const int snapshot_id,
 983       const gfx::Size& size, const std::vector<unsigned char>& png);
 984 #if defined(OS_ANDROID)
 985   void OnActivateNearestFindResult(int request_id, float x, float y);
 986   void OnFindMatchRects(int current_version);
 987   void OnSelectPopupMenuItems(bool canceled,
 988                               const std::vector<int>& selected_indices);
 989   void OnUndoScrollFocusedEditableNodeIntoRect();
 990   void OnUpdateTopControlsState(bool enable_hiding,
 991                                 bool enable_showing,
 992                                 bool animate);
 993   void OnPauseVideo();
 994   void OnExtractSmartClipData(const gfx::Rect& rect);
 995 #elif defined(OS_MACOSX)
 996   void OnCopyToFindPboard();
 997   void OnPluginImeCompositionCompleted(const base::string16& text,
 998                                        int plugin_id);
 999   void OnSelectPopupMenuItem(int selected_index);
1000   void OnSetInLiveResize(bool in_live_resize);
1001   void OnSetWindowVisibility(bool visible);
1002   void OnWindowFrameChanged(const gfx::Rect& window_frame,
1003                             const gfx::Rect& view_frame);
1004 #endif
1005
1006   // Adding a new message handler? Please add it in alphabetical order above
1007   // and put it in the same position in the .cc file.
1008
1009   // Misc private functions ----------------------------------------------------
1010   void ZoomFactorHelper(PageZoom zoom, int zoom_center_x, int zoom_center_y,
1011                         float scaling_increment);
1012
1013   // Check whether the preferred size has changed.
1014   void CheckPreferredSize();
1015
1016   // Initializes |media_stream_client_|, returning true if successful. Returns
1017   // false if it wasn't possible to create a MediaStreamClient (e.g., WebRTC is
1018   // disabled) in which case |media_stream_client_| is NULL.
1019   bool InitializeMediaStreamClient();
1020
1021   // This callback is triggered when DownloadFavicon completes, either
1022   // succesfully or with a failure. See DownloadFavicon for more
1023   // details.
1024   void DidDownloadFavicon(ImageResourceFetcher* fetcher,
1025                           const SkBitmap& image);
1026
1027   // Requests to download a favicon image. When done, the RenderView is notified
1028   // by way of DidDownloadFavicon. Returns true if the request was successfully
1029   // started, false otherwise. id is used to uniquely identify the request and
1030   // passed back to the DidDownloadFavicon method. If the image has multiple
1031   // frames, the frame whose size is image_size is returned. If the image
1032   // doesn't have a frame at the specified size, the first is returned.
1033   bool DownloadFavicon(int id, const GURL& image_url, int image_size);
1034
1035   // Locates a sub frame with given xpath
1036   blink::WebFrame* GetChildFrame(const base::string16& frame_xpath) const;
1037
1038   // Returns the URL being loaded by the given frame's request.
1039   GURL GetLoadingUrl(blink::WebFrame* frame) const;
1040
1041   // Should only be called if this object wraps a PluginDocument.
1042   blink::WebPlugin* GetWebPluginFromPluginDocument();
1043
1044   // Returns true if the |params| navigation is to an entry that has been
1045   // cropped due to a recent navigation the browser did not know about.
1046   bool IsBackForwardToStaleEntry(const ViewMsg_Navigate_Params& params,
1047                                  bool is_reload);
1048
1049   // Make this RenderView show an empty, unscriptable page.
1050   void NavigateToSwappedOutURL(blink::WebFrame* frame);
1051
1052   // If we initiated a navigation, this function will populate |document_state|
1053   // with the navigation information saved in OnNavigate().
1054   void PopulateDocumentStateFromPending(DocumentState* document_state);
1055
1056   // Returns a new NavigationState populated with the navigation information
1057   // saved in OnNavigate().
1058   NavigationState* CreateNavigationStateFromPending();
1059
1060   // Processes the command-line flags --enable-viewport,
1061   // --enable-fixed-layout[=w,h] and --enable-pinch.
1062   void ProcessViewLayoutFlags(const CommandLine& command_line);
1063
1064 #if defined(OS_ANDROID)
1065   // Launch an Android content intent with the given URL.
1066   void LaunchAndroidContentIntent(const GURL& intent_url, size_t request_id);
1067
1068   blink::WebMediaPlayer* CreateAndroidWebMediaPlayer(
1069       blink::WebFrame* frame,
1070       const blink::WebURL& url,
1071       blink::WebMediaPlayerClient* client);
1072 #endif
1073
1074   blink::WebMediaPlayer* CreateWebMediaPlayerForMediaStream(
1075       blink::WebFrame* frame,
1076       const blink::WebURL& url,
1077       blink::WebMediaPlayerClient* client);
1078
1079   // Sends a reply to the current find operation handling if it was a
1080   // synchronous find request.
1081   void SendFindReply(int request_id,
1082                      int match_count,
1083                      int ordinal,
1084                      const blink::WebRect& selection_rect,
1085                      bool final_status_update);
1086
1087   // Starts nav_state_sync_timer_ if it isn't already running.
1088   void StartNavStateSyncTimerIfNecessary();
1089
1090   // Dispatches the current state of selection on the webpage to the browser if
1091   // it has changed.
1092   // TODO(varunjain): delete this method once we figure out how to keep
1093   // selection handles in sync with the webpage.
1094   void SyncSelectionIfRequired();
1095
1096 #if defined(OS_POSIX) && !defined(OS_MACOSX)
1097   void UpdateFontRenderingFromRendererPrefs();
1098 #else
1099   void UpdateFontRenderingFromRendererPrefs() {}
1100 #endif
1101
1102   // Update the target url and tell the browser that the target URL has changed.
1103   // If |url| is empty, show |fallback_url|.
1104   void UpdateTargetURL(const GURL& url, const GURL& fallback_url);
1105
1106   // Tells the browser what the new list of favicons for the webpage is.
1107   void SendUpdateFaviconURL(const std::vector<FaviconURL>& urls);
1108
1109   // Invoked from DidStopLoading(). Sends the current list of loaded favicons to
1110   // the browser.
1111   void DidStopLoadingIcons();
1112
1113   // Coordinate conversion -----------------------------------------------------
1114
1115   gfx::RectF ClientRectToPhysicalWindowRect(const gfx::RectF& rect) const;
1116
1117   // RenderFrameImpl accessible state ------------------------------------------
1118   // The following section is the set of methods that RenderFrameImpl needs
1119   // to access RenderViewImpl state. The set of state variables are page-level
1120   // specific, so they don't belong in RenderFrameImpl and should remain in
1121   // this object.
1122   ObserverList<RenderViewObserver>& observers() {
1123     return observers_;
1124   }
1125
1126   // TODO(nasko): Remove this method when we move to frame proxy objects, since
1127   // the concept of swapped out will be eliminated.
1128   void set_is_swapped_out(bool swapped_out) {
1129     is_swapped_out_ = swapped_out;
1130   }
1131
1132   NavigationGesture navigation_gesture() {
1133     return navigation_gesture_;
1134   }
1135   void set_navigation_gesture(NavigationGesture gesture) {
1136     navigation_gesture_ = gesture;
1137   }
1138
1139   // ---------------------------------------------------------------------------
1140   // ADDING NEW FUNCTIONS? Please keep private functions alphabetized and put
1141   // it in the same order in the .cc file as it was in the header.
1142   // ---------------------------------------------------------------------------
1143
1144   // Settings ------------------------------------------------------------------
1145
1146   WebPreferences webkit_preferences_;
1147   RendererPreferences renderer_preferences_;
1148
1149   HostZoomLevels host_zoom_levels_;
1150
1151   // Whether content state (such as form state, scroll position and page
1152   // contents) should be sent to the browser immediately. This is normally
1153   // false, but set to true by some tests.
1154   bool send_content_state_immediately_;
1155
1156   // Bitwise-ORed set of extra bindings that have been enabled.  See
1157   // BindingsPolicy for details.
1158   int enabled_bindings_;
1159
1160   // If true, we send IPC messages when |preferred_size_| changes.
1161   bool send_preferred_size_changes_;
1162
1163   // If non-empty, and |send_preferred_size_changes_| is true, disable drawing
1164   // scroll bars on windows smaller than this size.  Used for windows that the
1165   // browser resizes to the size of the content, such as browser action popups.
1166   // If a render view is set to the minimum size of its content, webkit may add
1167   // scroll bars.  This makes sense for fixed sized windows, but it does not
1168   // make sense when the size of the view was chosen to fit the content.
1169   // This setting ensures that no scroll bars are drawn.  The size limit exists
1170   // because if the view grows beyond a size known to the browser, scroll bars
1171   // should be drawn.
1172   gfx::Size disable_scrollbars_size_limit_;
1173
1174   // Loading state -------------------------------------------------------------
1175
1176   // True if the top level frame is currently being loaded.
1177   bool is_loading_;
1178
1179   // The gesture that initiated the current navigation.
1180   NavigationGesture navigation_gesture_;
1181
1182   // Used for popups.
1183   bool opened_by_user_gesture_;
1184
1185   // Whether this RenderView was created by a frame that was suppressing its
1186   // opener. If so, we may want to load pages in a separate process.  See
1187   // decidePolicyForNavigation for details.
1188   bool opener_suppressed_;
1189
1190   // Whether we must stop creating nested message loops for modal dialogs until
1191   // OnSwapOut is called.  This is necessary because modal dialogs have a
1192   // PageGroupLoadDeferrer on the stack that interferes with swapping out.
1193   bool suppress_dialogs_until_swap_out_;
1194
1195   // Holds state pertaining to a navigation that we initiated.  This is held by
1196   // the WebDataSource::ExtraData attribute.  We use pending_navigation_state_
1197   // as a temporary holder for the state until the WebDataSource corresponding
1198   // to the new navigation is created.  See DidCreateDataSource.
1199   scoped_ptr<ViewMsg_Navigate_Params> pending_navigation_params_;
1200
1201   // Timer used to delay the updating of nav state (see SyncNavigationState).
1202   base::OneShotTimer<RenderViewImpl> nav_state_sync_timer_;
1203
1204   // Page IDs ------------------------------------------------------------------
1205   // See documentation in RenderView.
1206   int32 page_id_;
1207
1208   // Indicates the ID of the last page that we sent a FrameNavigate to the
1209   // browser for. This is used to determine if the most recent transition
1210   // generated a history entry (less than page_id_), or not (equal to or
1211   // greater than). Note that this will be greater than page_id_ if the user
1212   // goes back.
1213   int32 last_page_id_sent_to_browser_;
1214
1215   // The next available page ID to use for this RenderView.  These IDs are
1216   // specific to a given RenderView and the frames within it.
1217   int32 next_page_id_;
1218
1219   // The offset of the current item in the history list.
1220   int history_list_offset_;
1221
1222   // The RenderView's current impression of the history length.  This includes
1223   // any items that have committed in this process, but because of cross-process
1224   // navigations, the history may have some entries that were committed in other
1225   // processes.  We won't know about them until the next navigation in this
1226   // process.
1227   int history_list_length_;
1228
1229   // The list of page IDs for each history item this RenderView knows about.
1230   // Some entries may be -1 if they were rendered by other processes or were
1231   // restored from a previous session.  This lets us detect attempts to
1232   // navigate to stale entries that have been cropped from our history.
1233   std::vector<int32> history_page_ids_;
1234
1235   // Page info -----------------------------------------------------------------
1236
1237   // The last gotten main frame's encoding.
1238   std::string last_encoding_name_;
1239
1240   // UI state ------------------------------------------------------------------
1241
1242   // The state of our target_url transmissions. When we receive a request to
1243   // send a URL to the browser, we set this to TARGET_INFLIGHT until an ACK
1244   // comes back - if a new request comes in before the ACK, we store the new
1245   // URL in pending_target_url_ and set the status to TARGET_PENDING. If an
1246   // ACK comes back and we are in TARGET_PENDING, we send the stored URL and
1247   // revert to TARGET_INFLIGHT.
1248   //
1249   // We don't need a queue of URLs to send, as only the latest is useful.
1250   enum {
1251     TARGET_NONE,
1252     TARGET_INFLIGHT,  // We have a request in-flight, waiting for an ACK
1253     TARGET_PENDING    // INFLIGHT + we have a URL waiting to be sent
1254   } target_url_status_;
1255
1256   // The URL we show the user in the status bar. We use this to determine if we
1257   // want to send a new one (we do not need to send duplicates). It will be
1258   // equal to either |mouse_over_url_| or |focus_url_|, depending on which was
1259   // updated last.
1260   GURL target_url_;
1261
1262   // The URL the user's mouse is hovering over.
1263   GURL mouse_over_url_;
1264
1265   // The URL that has keyboard focus.
1266   GURL focus_url_;
1267
1268   // The next target URL we want to send to the browser.
1269   GURL pending_target_url_;
1270
1271   // The text selection the last time DidChangeSelection got called. May contain
1272   // additional characters before and after the selected text, for IMEs. The
1273   // portion of this string that is the actual selected text starts at index
1274   // |selection_range_.GetMin() - selection_text_offset_| and has length
1275   // |selection_range_.length()|.
1276   base::string16 selection_text_;
1277   // The offset corresponding to the start of |selection_text_| in the document.
1278   size_t selection_text_offset_;
1279   // Range over the document corresponding to the actual selected text (which
1280   // could correspond to a substring of |selection_text_|; see above).
1281   gfx::Range selection_range_;
1282
1283 #if defined(OS_ANDROID)
1284   // Cache the old top controls state constraints. Used when updating
1285   // current value only without altering the constraints.
1286   cc::TopControlsState top_controls_constraints_;
1287 #endif
1288
1289   // View ----------------------------------------------------------------------
1290
1291   // Cache the preferred size of the page in order to prevent sending the IPC
1292   // when layout() recomputes but doesn't actually change sizes.
1293   gfx::Size preferred_size_;
1294
1295   // Used to delay determining the preferred size (to avoid intermediate
1296   // states for the sizes).
1297   base::OneShotTimer<RenderViewImpl> check_preferred_size_timer_;
1298
1299   // These store the "is main frame is scrolled all the way to the left
1300   // or right" state that was last sent to the browser.
1301   bool cached_is_main_frame_pinned_to_left_;
1302   bool cached_is_main_frame_pinned_to_right_;
1303
1304   // These store the "has scrollbars" state last sent to the browser.
1305   bool cached_has_main_frame_horizontal_scrollbar_;
1306   bool cached_has_main_frame_vertical_scrollbar_;
1307
1308   // Helper objects ------------------------------------------------------------
1309
1310   scoped_ptr<RenderFrameImpl> main_render_frame_;
1311
1312   // The next group of objects all implement RenderViewObserver, so are deleted
1313   // along with the RenderView automatically.  This is why we just store
1314   // weak references.
1315
1316   // Holds a reference to the service which provides desktop notifications.
1317   NotificationProvider* notification_provider_;
1318
1319   // The geolocation dispatcher attached to this view, lazily initialized.
1320   GeolocationDispatcher* geolocation_dispatcher_;
1321
1322   // The speech dispatcher attached to this view, lazily initialized.
1323   InputTagSpeechDispatcher* input_tag_speech_dispatcher_;
1324
1325   // The speech recognition dispatcher attached to this view, lazily
1326   // initialized.
1327   SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
1328
1329   // Device orientation dispatcher attached to this view; lazily initialized.
1330   DeviceOrientationDispatcher* device_orientation_dispatcher_;
1331
1332   // MediaStream dispatcher attached to this view; lazily initialized.
1333   MediaStreamDispatcher* media_stream_dispatcher_;
1334
1335   // BrowserPluginManager attached to this view; lazily initialized.
1336   scoped_refptr<BrowserPluginManager> browser_plugin_manager_;
1337
1338   // MediaStreamClient attached to this view; lazily initialized.
1339   MediaStreamClient* media_stream_client_;
1340   blink::WebUserMediaClient* web_user_media_client_;
1341
1342   // MidiClient attached to this view; lazily initialized.
1343   MidiDispatcher* midi_dispatcher_;
1344
1345   DevToolsAgent* devtools_agent_;
1346
1347   // The current accessibility mode.
1348   AccessibilityMode accessibility_mode_;
1349
1350   // Only valid if |accessibility_mode_| is anything other than
1351   // AccessibilityModeOff.
1352   RendererAccessibility* renderer_accessibility_;
1353
1354   // Mouse Lock dispatcher attached to this view.
1355   MouseLockDispatcher* mouse_lock_dispatcher_;
1356
1357 #if defined(OS_ANDROID)
1358   // Android Specific ---------------------------------------------------------
1359
1360   // The background color of the document body element. This is used as the
1361   // default background color for filling the screen areas for which we don't
1362   // have the actual content.
1363   SkColor body_background_color_;
1364
1365   // Expected id of the next content intent launched. Used to prevent scheduled
1366   // intents to be launched if aborted.
1367   size_t expected_content_intent_id_;
1368
1369   // List of click-based content detectors.
1370   typedef std::vector< linked_ptr<ContentDetector> > ContentDetectorList;
1371   ContentDetectorList content_detectors_;
1372
1373   // The media player manager for managing all the media players on this view
1374   // for communicating with the real media player objects in browser process.
1375   RendererMediaPlayerManager* media_player_manager_;
1376
1377   // A date/time picker object for date and time related input elements.
1378   scoped_ptr<RendererDateTimePicker> date_time_picker_client_;
1379 #endif
1380
1381   // Plugins -------------------------------------------------------------------
1382
1383   // All the currently active plugin delegates for this RenderView; kept so
1384   // that we can enumerate them to send updates about things like window
1385   // location or tab focus and visibily. These are non-owning references.
1386   std::set<WebPluginDelegateProxy*> plugin_delegates_;
1387
1388 #if defined(OS_WIN)
1389   // The ID of the focused NPAPI plug-in.
1390   int focused_plugin_id_;
1391 #endif
1392
1393 #if defined(ENABLE_PLUGINS)
1394   typedef std::set<PepperPluginInstanceImpl*> PepperPluginSet;
1395   PepperPluginSet active_pepper_instances_;
1396
1397   // TODO(jam): these belong on RenderFrame, once the browser knows which frame
1398   // is focused and sends the IPCs which use these to the correct frame. Until
1399   // then, we must store these on RenderView as that's the one place that knows
1400   // about all the RenderFrames for a page.
1401
1402   // Whether or not the focus is on a PPAPI plugin
1403   PepperPluginInstanceImpl* focused_pepper_plugin_;
1404
1405   // The plugin instance that received the last mouse event. It is set to NULL
1406   // if the last mouse event went to elements other than Pepper plugins.
1407   // |pepper_last_mouse_event_target_| is not owned by this class. We depend on
1408   // the RenderFrameImpl to NULL it out when it destructs.
1409   PepperPluginInstanceImpl* pepper_last_mouse_event_target_;
1410 #endif
1411
1412   // Misc ----------------------------------------------------------------------
1413
1414   // The current and pending file chooser completion objects. If the queue is
1415   // nonempty, the first item represents the currently running file chooser
1416   // callback, and the remaining elements are the other file chooser completion
1417   // still waiting to be run (in order).
1418   struct PendingFileChooser;
1419   std::deque< linked_ptr<PendingFileChooser> > file_chooser_completions_;
1420
1421   // The current directory enumeration callback
1422   std::map<int, blink::WebFileChooserCompletion*> enumeration_completions_;
1423   int enumeration_completion_id_;
1424
1425   // Reports load progress to the browser.
1426   scoped_ptr<LoadProgressTracker> load_progress_tracker_;
1427
1428   // The SessionStorage namespace that we're assigned to has an ID, and that ID
1429   // is passed to us upon creation.  WebKit asks for this ID upon first use and
1430   // uses it whenever asking the browser process to allocate new storage areas.
1431   int64 session_storage_namespace_id_;
1432
1433   // Stores edit commands associated to the next key event.
1434   // Shall be cleared as soon as the next key event is processed.
1435   EditCommands edit_commands_;
1436
1437   // The external popup for the currently showing select popup.
1438   scoped_ptr<ExternalPopupMenu> external_popup_menu_;
1439
1440   // The node that the context menu was pressed over.
1441   blink::WebNode context_menu_node_;
1442
1443   // All the registered observers.  We expect this list to be small, so vector
1444   // is fine.
1445   ObserverList<RenderViewObserver> observers_;
1446
1447   // Used to inform didChangeSelection() when it is called in the context
1448   // of handling a InputMsg_SelectRange IPC.
1449   bool handling_select_range_;
1450
1451   // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
1452   scoped_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
1453
1454   // State associated with the GetWindowSnapshot function.
1455   int next_snapshot_id_;
1456   typedef std::map<int, WindowSnapshotCallback> PendingSnapshotMap;
1457   PendingSnapshotMap pending_snapshots_;
1458
1459   // Allows to selectively disable partial buffer swap for this renderer's
1460   // compositor.
1461   bool allow_partial_swap_;
1462
1463   // This field stores drag/drop related info for the event that is currently
1464   // being handled. If the current event results in starting a drag/drop
1465   // session, this info is sent to the browser along with other drag/drop info.
1466   DragEventSourceInfo possible_drag_event_info_;
1467
1468   // NOTE: stats_collection_observer_ should be the last members because their
1469   // constructors call the AddObservers method of RenderViewImpl.
1470   scoped_ptr<StatsCollectionObserver> stats_collection_observer_;
1471
1472   // ---------------------------------------------------------------------------
1473   // ADDING NEW DATA? Please see if it fits appropriately in one of the above
1474   // sections rather than throwing it randomly at the end. If you're adding a
1475   // bunch of stuff, you should probably create a helper class and put your
1476   // data and methods on that to avoid bloating RenderView more.  You can
1477   // use the Observer interface to filter IPC messages and receive frame change
1478   // notifications.
1479   // ---------------------------------------------------------------------------
1480
1481   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
1482 };
1483
1484 }  // namespace content
1485
1486 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_