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 "cc/resources/shared_bitmap.h"
  26 #include "content/common/content_export.h"
  27 #include "content/common/drag_event_source_info.h"
  28 #include "content/common/edit_command.h"
  29 #include "content/common/frame_message_enums.h"
  30 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  31 #include "content/common/navigation_gesture.h"
  32 #include "content/common/view_message_enums.h"
  33 #include "content/public/common/page_zoom.h"
  34 #include "content/public/common/referrer.h"
  35 #include "content/public/common/renderer_preferences.h"
  36 #include "content/public/common/stop_find_action.h"
  37 #include "content/public/common/top_controls_state.h"
  38 #include "content/public/common/web_preferences.h"
  39 #include "content/public/renderer/render_view.h"
  40 #include "content/renderer/mouse_lock_dispatcher.h"
  41 #include "content/renderer/render_frame_impl.h"
  42 #include "content/renderer/render_widget.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/platform/WebPageVisibilityState.h"
  47 #include "third_party/WebKit/public/web/WebAXObject.h"
  48 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
  49 #include "third_party/WebKit/public/web/WebDataSource.h"
  50 #include "third_party/WebKit/public/web/WebElement.h"
  51 #include "third_party/WebKit/public/web/WebHistoryItem.h"
  52 #include "third_party/WebKit/public/web/WebIconURL.h"
  53 #include "third_party/WebKit/public/web/WebInputEvent.h"
  54 #include "third_party/WebKit/public/web/WebNavigationType.h"
  55 #include "third_party/WebKit/public/web/WebNode.h"
  56 #include "third_party/WebKit/public/web/WebPageSerializerClient.h"
  57 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
  58 #include "third_party/WebKit/public/web/WebViewClient.h"
  59 #include "ui/base/window_open_disposition.h"
  60 #include "ui/surface/transport_dib.h"
  61
  62 #if defined(OS_ANDROID)
  63 #include "content/renderer/android/content_detector.h"
  64 #include "content/renderer/android/renderer_date_time_picker.h"
  65 #include "third_party/WebKit/public/web/WebContentDetectionResult.h"
  66 #endif
  67
  68 #if defined(COMPILER_MSVC)
  69 // RenderViewImpl is a diamond-shaped hierarchy, with WebWidgetClient at the
  70 // root. VS warns when we inherit the WebWidgetClient method implementations
  71 // from RenderWidget.  It's safe to ignore that warning.
  72 #pragma warning(disable: 4250)
  73 #endif
  74
  75 class SkBitmap;
  76 struct PP_NetAddress_Private;
  77 struct ViewMsg_New_Params;
  78 struct ViewMsg_Resize_Params;
  79 struct ViewMsg_StopFinding_Params;
  80
  81 namespace base {
  82 class CommandLine;
  83 }
  84
  85 namespace blink {
  86 class WebApplicationCacheHost;
  87 class WebApplicationCacheHostClient;
  88 class WebDOMMessageEvent;
  89 class WebDataSource;
  90 class WebDateTimeChooserCompletion;
  91 class WebDragData;
  92 class WebGestureEvent;
  93 class WebIconURL;
  94 class WebImage;
  95 class WebPeerConnection00Handler;
  96 class WebPeerConnection00HandlerClient;
  97 class WebMouseEvent;
  98 class WebPeerConnectionHandler;
  99 class WebPeerConnectionHandlerClient;
 100 class WebSpeechRecognizer;
 101 class WebStorageNamespace;
 102 class WebTouchEvent;
 103 class WebURLRequest;
 104 struct WebActiveWheelFlingParameters;
 105 struct WebDateTimeChooserParams;
 106 struct WebFileChooserParams;
 107 struct WebFindOptions;
 108 struct WebMediaPlayerAction;
 109 struct WebPluginAction;
 110 struct WebPoint;
 111 struct WebWindowFeatures;
 112
 113 #if defined(OS_ANDROID)
 114 class WebHitTestResult;
 115 #endif
 116 }  // namespace blink
 117
 118 namespace content {
 119
 120 class HistoryController;
 121 class HistoryEntry;
 122 class MouseLockDispatcher;
 123 class PageState;
 124 class PepperPluginInstanceImpl;
 125 class RenderViewImplTest;
 126 class RenderViewObserver;
 127 class RenderViewTest;
 128 class RendererDateTimePicker;
 129 class RendererWebColorChooserImpl;
 130 class SpeechRecognitionDispatcher;
 131 class WebPluginDelegateProxy;
 132 struct DropData;
 133 struct FaviconURL;
 134 struct FileChooserParams;
 135 struct FileChooserFileInfo;
 136 struct RenderViewImplParams;
 137
 138 #if defined(OS_ANDROID)
 139 class WebMediaPlayerProxyAndroid;
 140 #endif
 141
 142 //
 143 // RenderView is an object that manages a WebView object, and provides a
 144 // communication interface with an embedding application process.
 145 //
 146 // DEPRECATED: RenderViewImpl is being removed as part of the SiteIsolation
 147 // project. New code should be added to RenderFrameImpl instead.
 148 //
 149 // For context, please see https://crbug.com/467770 and
 150 // http://www.chromium.org/developers/design-documents/site-isolation.
 151 class CONTENT_EXPORT RenderViewImpl
 152     : public RenderWidget,
 153       NON_EXPORTED_BASE(public blink::WebViewClient),
 154       NON_EXPORTED_BASE(public blink::WebPageSerializerClient),
 155       public RenderView,
 156       public base::SupportsWeakPtr<RenderViewImpl> {
 157  public:
 158   // Creates a new RenderView. |opener_id| is the routing ID of the RenderView
 159   // responsible for creating this RenderView. Note that if the original opener
 160   // has been closed, |window_was_created_with_opener| will be true and
 161   // |opener_id| will be MSG_ROUTING_NONE. When |swapped_out| is true, the
 162   // |proxy_routing_id| is specified, so a RenderFrameProxy can be created for
 163   // this RenderView's main RenderFrame.
 164   static RenderViewImpl* Create(CompositorDependencies* compositor_deps,
 165                                 const ViewMsg_New_Params& params,
 166                                 bool was_created_by_renderer);
 167
 168   // Used by content_layouttest_support to hook into the creation of
 169   // RenderViewImpls.
 170   static void InstallCreateHook(RenderViewImpl* (*create_render_view_impl)(
 171       CompositorDependencies* compositor_deps,
 172       const ViewMsg_New_Params&));
 173
 174   // Returns the RenderViewImpl containing the given WebView.
 175   static RenderViewImpl* FromWebView(blink::WebView* webview);
 176
 177   // Returns the RenderViewImpl for the given routing ID.
 178   static RenderViewImpl* FromRoutingID(int routing_id);
 179
 180   // May return NULL when the view is closing.
 181   blink::WebView* webview() const;
 182
 183   const WebPreferences& webkit_preferences() const {
 184     return webkit_preferences_;
 185   }
 186
 187   const RendererPreferences& renderer_preferences() const {
 188     return renderer_preferences_;
 189   }
 190
 191   void set_send_content_state_immediately(bool value) {
 192     send_content_state_immediately_ = value;
 193   }
 194
 195   MouseLockDispatcher* mouse_lock_dispatcher() {
 196     return mouse_lock_dispatcher_;
 197   }
 198
 199   HistoryController* history_controller() {
 200     return history_controller_.get();
 201   }
 202
 203   // Functions to add and remove observers for this object.
 204   void AddObserver(RenderViewObserver* observer);
 205   void RemoveObserver(RenderViewObserver* observer);
 206
 207   // Returns the StatsCollectionObserver associated with this view, or NULL
 208   // if one wasn't created;
 209   StatsCollectionObserver* GetStatsCollectionObserver() {
 210     return stats_collection_observer_.get();
 211   }
 212
 213   // Adds the given file chooser request to the file_chooser_completion_ queue
 214   // (see that var for more) and requests the chooser be displayed if there are
 215   // no other waiting items in the queue.
 216   //
 217   // Returns true if the chooser was successfully scheduled. False means we
 218   // didn't schedule anything.
 219   bool ScheduleFileChooser(const FileChooserParams& params,
 220                            blink::WebFileChooserCompletion* completion);
 221
 222 #if defined(OS_ANDROID)
 223   void DismissDateTimeDialog();
 224 #endif
 225
 226   bool is_loading() const { return frames_in_progress_ != 0; }
 227
 228   void FrameDidStartLoading(blink::WebFrame* frame);
 229   void FrameDidStopLoading(blink::WebFrame* frame);
 230
 231   // Sets the zoom level and notifies observers. Doesn't call zoomLevelChanged,
 232   // as that is only for changes that aren't initiated by the client.
 233   void SetZoomLevel(double zoom_level);
 234
 235   // Plugin-related functions --------------------------------------------------
 236
 237 #if defined(ENABLE_PLUGINS)
 238   // Get/set the plugin which will be used as to handle document find requests.
 239   void set_plugin_find_handler(PepperPluginInstanceImpl* plugin) {
 240     plugin_find_handler_ = plugin;
 241   }
 242   PepperPluginInstanceImpl* plugin_find_handler() {
 243     return plugin_find_handler_;
 244   }
 245
 246   PepperPluginInstanceImpl* focused_pepper_plugin() {
 247     return focused_pepper_plugin_;
 248   }
 249   PepperPluginInstanceImpl* pepper_last_mouse_event_target() {
 250     return pepper_last_mouse_event_target_;
 251   }
 252   void set_pepper_last_mouse_event_target(PepperPluginInstanceImpl* plugin) {
 253     pepper_last_mouse_event_target_ = plugin;
 254   }
 255
 256 #if defined(OS_MACOSX) || defined(OS_WIN)
 257   // Informs the render view that the given plugin has gained or lost focus.
 258   void PluginFocusChanged(bool focused, int plugin_id);
 259 #endif
 260
 261 #if defined(OS_MACOSX)
 262   // Starts plugin IME.
 263   void StartPluginIme();
 264 #endif
 265
 266   // Indicates that the given instance has been created.
 267   void PepperInstanceCreated(PepperPluginInstanceImpl* instance);
 268
 269   // Indicates that the given instance is being destroyed. This is called from
 270   // the destructor, so it's important that the instance is not dereferenced
 271   // from this call.
 272   void PepperInstanceDeleted(PepperPluginInstanceImpl* instance);
 273
 274   // Notification that the given plugin is focused or unfocused.
 275   void PepperFocusChanged(PepperPluginInstanceImpl* instance, bool focused);
 276
 277   void RegisterPluginDelegate(WebPluginDelegateProxy* delegate);
 278   void UnregisterPluginDelegate(WebPluginDelegateProxy* delegate);
 279 #endif  // ENABLE_PLUGINS
 280
 281   void TransferActiveWheelFlingAnimation(
 282       const blink::WebActiveWheelFlingParameters& params);
 283
 284   // Returns true if the focused element is editable text from the perspective
 285   // of IME support (also used for on-screen keyboard). Works correctly inside
 286   // supported PPAPI plugins.
 287   bool HasIMETextFocus();
 288
 289   // Synchronously sends the current navigation state to the browser.
 290   void SendUpdateState();
 291
 292   // Returns the length of the session history of this RenderView. Note that
 293   // this only coincides with the actual length of the session history if this
 294   // RenderView is the currently active RenderView of a WebContents.
 295   unsigned GetLocalSessionHistoryLengthForTesting() const;
 296
 297   // Invokes OnSetFocus and marks the widget as active depending on the value
 298   // of |enable|. This is used for layout tests that need to control the focus
 299   // synchronously from the renderer.
 300   void SetFocusAndActivateForTesting(bool enable);
 301
 302   // Change the device scale factor and force the compositor to resize.
 303   void SetDeviceScaleFactorForTesting(float factor);
 304
 305   // Change the device ICC color profile while running a layout test.
 306   void SetDeviceColorProfileForTesting(const std::vector<char>& color_profile);
 307   void ResetDeviceColorProfileForTesting() override;
 308
 309   // Used to force the size of a window when running layout tests.
 310   void ForceResizeForTesting(const gfx::Size& new_size);
 311
 312   void UseSynchronousResizeModeForTesting(bool enable);
 313
 314   // Control autoresize mode.
 315   void EnableAutoResizeForTesting(const gfx::Size& min_size,
 316                                   const gfx::Size& max_size);
 317   void DisableAutoResizeForTesting(const gfx::Size& new_size);
 318
 319   // IPC::Listener implementation ----------------------------------------------
 320
 321   bool OnMessageReceived(const IPC::Message& msg) override;
 322
 323   // blink::WebWidgetClient implementation ------------------------------------
 324
 325   // Most methods are handled by RenderWidget.
 326   virtual void didFocus();
 327   virtual void didBlur();
 328   virtual void show(blink::WebNavigationPolicy policy);
 329   virtual bool requestPointerLock();
 330   virtual void requestPointerUnlock();
 331   virtual bool isPointerLocked();
 332   virtual void didHandleGestureEvent(const blink::WebGestureEvent& event,
 333                                      bool event_cancelled) override;
 334   virtual void onMouseDown(const blink::WebNode& mouse_down_node) override;
 335
 336   virtual void initializeLayerTreeView() override;
 337
 338   // blink::WebViewClient implementation --------------------------------------
 339
 340   virtual blink::WebView* createView(blink::WebLocalFrame* creator,
 341                                      const blink::WebURLRequest& request,
 342                                      const blink::WebWindowFeatures& features,
 343                                      const blink::WebString& frame_name,
 344                                      blink::WebNavigationPolicy policy,
 345                                      bool suppress_opener);
 346   virtual blink::WebWidget* createPopupMenu(blink::WebPopupType popup_type);
 347   virtual blink::WebStorageNamespace* createSessionStorageNamespace();
 348   virtual void printPage(blink::WebLocalFrame* frame);
 349   virtual bool enumerateChosenDirectory(
 350       const blink::WebString& path,
 351       blink::WebFileChooserCompletion* chooser_completion);
 352   virtual void saveImageFromDataURL(const blink::WebString& data_url);
 353   virtual void didCancelCompositionOnSelectionChange();
 354   virtual bool handleCurrentKeyboardEvent();
 355   virtual bool runFileChooser(
 356       const blink::WebFileChooserParams& params,
 357       blink::WebFileChooserCompletion* chooser_completion);
 358   void SetValidationMessageDirection(base::string16* main_text,
 359                                      blink::WebTextDirection main_text_hint,
 360                                      base::string16* sub_text,
 361                                      blink::WebTextDirection sub_text_hint);
 362   virtual void showValidationMessage(const blink::WebRect& anchor_in_root_view,
 363                                      const blink::WebString& main_text,
 364                                      blink::WebTextDirection main_text_hint,
 365                                      const blink::WebString& sub_text,
 366                                      blink::WebTextDirection hint) override;
 367   virtual void hideValidationMessage() override;
 368   virtual void moveValidationMessage(
 369       const blink::WebRect& anchor_in_root_view) override;
 370   virtual void setStatusText(const blink::WebString& text);
 371   virtual void setMouseOverURL(const blink::WebURL& url);
 372   virtual void setKeyboardFocusURL(const blink::WebURL& url);
 373   virtual void startDragging(blink::WebLocalFrame* frame,
 374                              const blink::WebDragData& data,
 375                              blink::WebDragOperationsMask mask,
 376                              const blink::WebImage& image,
 377                              const blink::WebPoint& imageOffset);
 378   virtual bool acceptsLoadDrops();
 379   virtual void focusNext();
 380   virtual void focusPrevious();
 381   virtual void focusedNodeChanged(const blink::WebNode& fromNode,
 382                                   const blink::WebNode& toNode);
 383   virtual void didUpdateLayout();
 384 #if defined(OS_ANDROID) || defined(USE_AURA)
 385   virtual bool didTapMultipleTargets(
 386       const blink::WebSize& inner_viewport_offset,
 387       const blink::WebRect& touch_rect,
 388       const blink::WebVector<blink::WebRect>& target_rects);
 389 #endif
 390   virtual blink::WebString acceptLanguages();
 391   virtual void navigateBackForwardSoon(int offset);
 392   virtual int historyBackListCount();
 393   virtual int historyForwardListCount();
 394   virtual blink::WebSpeechRecognizer* speechRecognizer();
 395   virtual void zoomLimitsChanged(double minimum_level, double maximum_level);
 396   virtual void zoomLevelChanged();
 397   virtual void pageScaleFactorChanged();
 398   virtual double zoomLevelToZoomFactor(double zoom_level) const;
 399   virtual double zoomFactorToZoomLevel(double factor) const;
 400   virtual blink::WebPageVisibilityState visibilityState() const;
 401   virtual void draggableRegionsChanged();
 402
 403 #if defined(OS_ANDROID)
 404   virtual void scheduleContentIntent(const blink::WebURL& intent);
 405   virtual void cancelScheduledContentIntents();
 406   virtual blink::WebContentDetectionResult detectContentAround(
 407       const blink::WebHitTestResult& touch_hit);
 408
 409   // Only used on Android since all other platforms implement
 410   // date and time input fields using MULTIPLE_FIELDS_UI
 411   virtual bool openDateTimeChooser(const blink::WebDateTimeChooserParams&,
 412                                    blink::WebDateTimeChooserCompletion*);
 413   virtual void didScrollWithKeyboard(const blink::WebSize& delta);
 414 #endif
 415
 416   // blink::WebPageSerializerClient implementation ----------------------------
 417
 418   virtual void didSerializeDataForFrame(
 419       const blink::WebURL& frame_url,
 420       const blink::WebCString& data,
 421       PageSerializationStatus status) override;
 422
 423   // RenderView implementation -------------------------------------------------
 424
 425   bool Send(IPC::Message* message) override;
 426   RenderFrameImpl* GetMainRenderFrame() override;
 427   int GetRoutingID() const override;
 428   gfx::Size GetSize() const override;
 429   WebPreferences& GetWebkitPreferences() override;
 430   void SetWebkitPreferences(const WebPreferences& preferences) override;
 431   blink::WebView* GetWebView() override;
 432   bool IsEditableNode(const blink::WebNode& node) const override;
 433   bool ShouldDisplayScrollbars(int width, int height) const override;
 434   int GetEnabledBindings() const override;
 435   bool GetContentStateImmediately() const override;
 436   blink::WebPageVisibilityState GetVisibilityState() const override;
 437   void DidStartLoading() override;
 438   void DidStopLoading() override;
 439   void Repaint(const gfx::Size& size) override;
 440   void SetEditCommandForNextKeyEvent(const std::string& name,
 441                                      const std::string& value) override;
 442   void ClearEditCommands() override;
 443   SSLStatus GetSSLStatusOfFrame(blink::WebFrame* frame) const override;
 444   const std::string& GetAcceptLanguages() const override;
 445 #if defined(OS_ANDROID)
 446   void UpdateTopControlsState(TopControlsState constraints,
 447                               TopControlsState current,
 448                               bool animate) override;
 449 #endif
 450   bool uses_temporary_zoom_level() const { return uses_temporary_zoom_level_; }
 451
 452   // Please do not add your stuff randomly to the end here. If there is an
 453   // appropriate section, add it there. If not, there are some random functions
 454   // nearer to the top you can add it to.
 455
 456  protected:
 457   // RenderWidget overrides:
 458   void Close() override;
 459   void OnResize(const ViewMsg_Resize_Params& params) override;
 460   void DidInitiatePaint() override;
 461   void DidFlushPaint() override;
 462   gfx::Vector2d GetScrollOffset() override;
 463   void DidHandleKeyEvent() override;
 464   bool WillHandleMouseEvent(const blink::WebMouseEvent& event) override;
 465   bool WillHandleGestureEvent(const blink::WebGestureEvent& event) override;
 466   bool HasTouchEventHandlersAt(const gfx::Point& point) const override;
 467   void OnSetFocus(bool enable) override;
 468   void OnWasHidden() override;
 469   void OnWasShown(bool needs_repainting,
 470                   const ui::LatencyInfo& latency_info) override;
 471   GURL GetURLForGraphicsContext3D() override;
 472   void OnImeSetComposition(
 473       const base::string16& text,
 474       const std::vector<blink::WebCompositionUnderline>& underlines,
 475       int selection_start,
 476       int selection_end) override;
 477   void OnImeConfirmComposition(const base::string16& text,
 478                                const gfx::Range& replacement_range,
 479                                bool keep_selection) override;
 480   void SetDeviceScaleFactor(float device_scale_factor) override;
 481   bool SetDeviceColorProfile(const std::vector<char>& color_profile) override;
 482   void OnOrientationChange() override;
 483   ui::TextInputType GetTextInputType() override;
 484   void GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) override;
 485   void FocusChangeComplete() override;
 486   void GetCompositionCharacterBounds(
 487       std::vector<gfx::Rect>* character_bounds) override;
 488   void GetCompositionRange(gfx::Range* range) override;
 489   bool CanComposeInline() override;
 490   void DidCommitCompositorFrame() override;
 491   void DidCompletePageScaleAnimation() override;
 492
 493  protected:
 494   RenderViewImpl(CompositorDependencies* compositor_deps,
 495                  const ViewMsg_New_Params& params);
 496
 497   void Initialize(const ViewMsg_New_Params& params,
 498                   bool was_created_by_renderer);
 499   void SetScreenMetricsEmulationParameters(
 500       bool enabled,
 501       const blink::WebDeviceEmulationParams& params) override;
 502
 503   // Do not delete directly.  This class is reference counted.
 504   virtual ~RenderViewImpl();
 505
 506  private:
 507   // For unit tests.
 508   friend class DevToolsAgentTest;
 509   friend class RenderViewImplTest;
 510   friend class RenderViewTest;
 511   friend class RendererAccessibilityTest;
 512
 513   // TODO(nasko): Temporarily friend RenderFrameImpl, so we don't duplicate
 514   // utility functions needed in both classes, while we move frame specific
 515   // code away from this class.
 516   friend class RenderFrameImpl;
 517
 518   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, RenderFrameMessageAfterDetach);
 519   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, DecideNavigationPolicyForWebUI);
 520   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 521                            DidFailProvisionalLoadWithErrorForError);
 522   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 523                            DidFailProvisionalLoadWithErrorForCancellation);
 524   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ImeComposition);
 525   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, InsertCharacters);
 526   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, JSBlockSentAfterPageLoad);
 527   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, LastCommittedUpdateState);
 528   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnHandleKeyboardEvent);
 529   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnImeTypeChanged);
 530   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavStateChanged);
 531   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnSetTextDirection);
 532   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnUpdateWebPreferences);
 533   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 534                            SetEditableSelectionAndComposition);
 535   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, StaleNavigationsIgnored);
 536   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 537                            DontIgnoreBackAfterNavEntryLimit);
 538   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, UpdateTargetURLWithInvalidURL);
 539   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 540                            GetCompositionCharacterBoundsTest);
 541   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavigationHttpPost);
 542   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ScreenMetricsEmulation);
 543   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 544                            DecideNavigationPolicyHandlesAllTopLevel);
 545 #if defined(OS_MACOSX)
 546   FRIEND_TEST_ALL_PREFIXES(RenderViewTest, MacTestCmdUp);
 547 #endif
 548   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SetHistoryLengthAndOffset);
 549   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ZoomLimit);
 550   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, NavigateFrame);
 551   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, BasicRenderFrame);
 552   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, TextInputTypeWithPepper);
 553   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
 554                            MessageOrderInDidChangeSelection);
 555   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SendCandidateWindowEvents);
 556   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, RenderFrameClearedAfterClose);
 557   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, PaintAfterSwapOut);
 558   FRIEND_TEST_ALL_PREFIXES(SuppressErrorPageTest, Suppresses);
 559   FRIEND_TEST_ALL_PREFIXES(SuppressErrorPageTest, DoesNotSuppress);
 560
 561   typedef std::map<GURL, double> HostZoomLevels;
 562
 563   enum ErrorPageType {
 564     DNS_ERROR,
 565     HTTP_404,
 566     CONNECTION_ERROR,
 567   };
 568
 569   // Old WebFrameClient implementations ----------------------------------------
 570
 571   // RenderViewImpl used to be a WebFrameClient, but now RenderFrameImpl is the
 572   // WebFrameClient. However, many implementations of WebFrameClient methods
 573   // still live here and are called from RenderFrameImpl. These implementations
 574   // are to be moved to RenderFrameImpl <http://crbug.com/361761>.
 575
 576   void didChangeIcon(blink::WebLocalFrame*, blink::WebIconURL::Type);
 577   void didUpdateCurrentHistoryItem(blink::WebLocalFrame* frame);
 578   void didChangeScrollOffset(blink::WebLocalFrame* frame);
 579
 580   static Referrer GetReferrerFromRequest(
 581       blink::WebFrame* frame,
 582       const blink::WebURLRequest& request);
 583
 584   static WindowOpenDisposition NavigationPolicyToDisposition(
 585       blink::WebNavigationPolicy policy);
 586
 587   void ApplyWebPreferencesInternal(const WebPreferences& prefs,
 588                                    blink::WebView* web_view,
 589                                    CompositorDependencies* compositor_deps);
 590
 591   // Sends a message and runs a nested message loop.
 592   bool SendAndRunNestedMessageLoop(IPC::SyncMessage* message);
 593
 594   // IPC message handlers ------------------------------------------------------
 595   //
 596   // The documentation for these functions should be in
 597   // content/common/*_messages.h for the message that the function is handling.
 598   void OnExecuteEditCommand(const std::string& name, const std::string& value);
 599   void OnMoveCaret(const gfx::Point& point);
 600   void OnScrollFocusedEditableNodeIntoRect(const gfx::Rect& rect);
 601   void OnSetEditCommandsForNextKeyEvent(const EditCommands& edit_commands);
 602   void OnAllowBindings(int enabled_bindings_flags);
 603   void OnAllowScriptToClose(bool script_can_close);
 604   void OnCancelDownload(int32 download_id);
 605   void OnClearFocusedElement();
 606   void OnClosePage();
 607   void OnClose();
 608
 609   void OnShowContextMenu(ui::MenuSourceType source_type,
 610                          const gfx::Point& location);
 611   void OnCopyImageAt(int x, int y);
 612   void OnSaveImageAt(int x, int y);
 613   void OnDeterminePageLanguage();
 614   void OnDisableScrollbarsForSmallWindows(
 615       const gfx::Size& disable_scrollbars_size_limit);
 616   void OnDragSourceEnded(const gfx::Point& client_point,
 617                          const gfx::Point& screen_point,
 618                          blink::WebDragOperation drag_operation);
 619   void OnDragSourceSystemDragEnded();
 620   void OnDragTargetDrop(const gfx::Point& client_pt,
 621                         const gfx::Point& screen_pt,
 622                         int key_modifiers);
 623   void OnDragTargetDragEnter(const DropData& drop_data,
 624                              const gfx::Point& client_pt,
 625                              const gfx::Point& screen_pt,
 626                              blink::WebDragOperationsMask operations_allowed,
 627                              int key_modifiers);
 628   void OnDragTargetDragLeave();
 629   void OnDragTargetDragOver(const gfx::Point& client_pt,
 630                             const gfx::Point& screen_pt,
 631                             blink::WebDragOperationsMask operations_allowed,
 632                             int key_modifiers);
 633   void OnEnablePreferredSizeChangedMode();
 634   void OnEnableAutoResize(const gfx::Size& min_size, const gfx::Size& max_size);
 635   void OnDisableAutoResize(const gfx::Size& new_size);
 636   void OnEnumerateDirectoryResponse(int id,
 637                                     const std::vector<base::FilePath>& paths);
 638   void OnFileChooserResponse(
 639       const std::vector<content::FileChooserFileInfo>& files);
 640   void OnFind(int request_id,
 641               const base::string16&,
 642               const blink::WebFindOptions&);
 643   void OnGetAllSavableResourceLinksForCurrentPage(const GURL& page_url);
 644   void OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
 645       const std::vector<GURL>& links,
 646       const std::vector<base::FilePath>& local_paths,
 647       const base::FilePath& local_directory_name);
 648   void OnMediaPlayerActionAt(const gfx::Point& location,
 649                              const blink::WebMediaPlayerAction& action);
 650   void OnPluginActionAt(const gfx::Point& location,
 651                         const blink::WebPluginAction& action);
 652   void OnMoveOrResizeStarted();
 653   void OnReleaseDisambiguationPopupBitmap(const cc::SharedBitmapId& id);
 654   void OnResetPageEncodingToDefault();
 655   void OnSetActive(bool active);
 656   void OnSetBackgroundOpaque(bool opaque);
 657   void OnExitFullscreen();
 658   void OnSetHistoryOffsetAndLength(int history_offset, int history_length);
 659   void OnSetInitialFocus(bool reverse);
 660   void OnSetPageEncoding(const std::string& encoding_name);
 661   void OnSetRendererPrefs(const RendererPreferences& renderer_prefs);
 662   void OnSetWebUIProperty(const std::string& name, const std::string& value);
 663   void OnSetZoomLevelForLoadingURL(const GURL& url, double zoom_level);
 664   void OnSetZoomLevelForView(bool uses_temporary_zoom_level, double level);
 665   void OnStopFinding(StopFindAction action);
 666   void OnSuppressDialogsUntilSwapOut();
 667   void OnThemeChanged();
 668   void OnUpdateTargetURLAck();
 669   void OnUpdateWebPreferences(const WebPreferences& prefs);
 670   void OnResetPageScale();
 671   void OnZoom(PageZoom zoom);
 672   void OnEnableViewSourceMode();
 673   void OnForceRedraw(int request_id);
 674   void OnSelectWordAroundCaret();
 675 #if defined(OS_ANDROID)
 676   void OnActivateNearestFindResult(int request_id, float x, float y);
 677   void OnFindMatchRects(int current_version);
 678   void OnUndoScrollFocusedEditableNodeIntoRect();
 679   void OnUpdateTopControlsState(bool enable_hiding,
 680                                 bool enable_showing,
 681                                 bool animate);
 682   void OnExtractSmartClipData(const gfx::Rect& rect);
 683 #elif defined(OS_MACOSX)
 684   void OnGetRenderedText();
 685   void OnPluginImeCompositionCompleted(const base::string16& text,
 686                                        int plugin_id);
 687   void OnSetInLiveResize(bool in_live_resize);
 688   void OnSetWindowVisibility(bool visible);
 689   void OnWindowFrameChanged(const gfx::Rect& window_frame,
 690                             const gfx::Rect& view_frame);
 691 #endif
 692
 693   // Adding a new message handler? Please add it in alphabetical order above
 694   // and put it in the same position in the .cc file.
 695
 696   // Misc private functions ----------------------------------------------------
 697   // Check whether the preferred size has changed.
 698   void CheckPreferredSize();
 699
 700   // Gets the currently focused element, if any.
 701   blink::WebElement GetFocusedElement() const;
 702
 703   // Called to get the WebPlugin to handle find requests in the document.
 704   // Returns NULL if there is no such WebPlugin.
 705   blink::WebPlugin* GetWebPluginForFind();
 706
 707 #if defined(OS_ANDROID)
 708   // Launch an Android content intent with the given URL.
 709   void LaunchAndroidContentIntent(const GURL& intent_url, size_t request_id);
 710 #endif
 711
 712   // Sends a reply to the current find operation handling if it was a
 713   // synchronous find request.
 714   void SendFindReply(int request_id,
 715                      int match_count,
 716                      int ordinal,
 717                      const blink::WebRect& selection_rect,
 718                      bool final_status_update);
 719
 720   // Starts nav_state_sync_timer_ if it isn't already running.
 721   void StartNavStateSyncTimerIfNecessary();
 722
 723 #if defined(OS_WIN) || (defined(OS_POSIX) && !defined(OS_MACOSX))
 724   void UpdateFontRenderingFromRendererPrefs();
 725 #else
 726   void UpdateFontRenderingFromRendererPrefs() {}
 727 #endif
 728
 729   // Update the target url and tell the browser that the target URL has changed.
 730   // If |url| is empty, show |fallback_url|.
 731   void UpdateTargetURL(const GURL& url, const GURL& fallback_url);
 732
 733   // Tells the browser what the new list of favicons for the webpage is.
 734   void SendUpdateFaviconURL(const std::vector<FaviconURL>& urls);
 735
 736   // Invoked from DidStopLoading(). Sends the current list of loaded favicons to
 737   // the browser.
 738   void DidStopLoadingIcons();
 739
 740   // Coordinate conversion -----------------------------------------------------
 741
 742   gfx::RectF ClientRectToPhysicalWindowRect(const gfx::RectF& rect) const;
 743
 744   // RenderFrameImpl accessible state ------------------------------------------
 745   // The following section is the set of methods that RenderFrameImpl needs
 746   // to access RenderViewImpl state. The set of state variables are page-level
 747   // specific, so they don't belong in RenderFrameImpl and should remain in
 748   // this object.
 749   base::ObserverList<RenderViewObserver>& observers() { return observers_; }
 750
 751   // TODO(nasko): Remove this method when we move to frame proxy objects, since
 752   // the concept of swapped out will be eliminated.
 753   void set_is_swapped_out(bool swapped_out) {
 754     is_swapped_out_ = swapped_out;
 755   }
 756
 757   NavigationGesture navigation_gesture() {
 758     return navigation_gesture_;
 759   }
 760   void set_navigation_gesture(NavigationGesture gesture) {
 761     navigation_gesture_ = gesture;
 762   }
 763
 764   // Platform specific theme preferences if any are updated here.
 765 #if defined(OS_WIN)
 766   void UpdateThemePrefs();
 767 #else
 768   void UpdateThemePrefs() {}
 769 #endif
 770
 771   // ---------------------------------------------------------------------------
 772   // ADDING NEW FUNCTIONS? Please keep private functions alphabetized and put
 773   // it in the same order in the .cc file as it was in the header.
 774   // ---------------------------------------------------------------------------
 775
 776   // Settings ------------------------------------------------------------------
 777
 778   WebPreferences webkit_preferences_;
 779   RendererPreferences renderer_preferences_;
 780
 781   HostZoomLevels host_zoom_levels_;
 782
 783   // Whether content state (such as form state, scroll position and page
 784   // contents) should be sent to the browser immediately. This is normally
 785   // false, but set to true by some tests.
 786   bool send_content_state_immediately_;
 787
 788   // Bitwise-ORed set of extra bindings that have been enabled.  See
 789   // BindingsPolicy for details.
 790   int enabled_bindings_;
 791
 792   // If true, we send IPC messages when |preferred_size_| changes.
 793   bool send_preferred_size_changes_;
 794
 795   // If non-empty, and |send_preferred_size_changes_| is true, disable drawing
 796   // scroll bars on windows smaller than this size.  Used for windows that the
 797   // browser resizes to the size of the content, such as browser action popups.
 798   // If a render view is set to the minimum size of its content, webkit may add
 799   // scroll bars.  This makes sense for fixed sized windows, but it does not
 800   // make sense when the size of the view was chosen to fit the content.
 801   // This setting ensures that no scroll bars are drawn.  The size limit exists
 802   // because if the view grows beyond a size known to the browser, scroll bars
 803   // should be drawn.
 804   gfx::Size disable_scrollbars_size_limit_;
 805
 806   // Loading state -------------------------------------------------------------
 807
 808   // The gesture that initiated the current navigation.
 809   // TODO(nasko): Move to RenderFrame, as this is per-frame state.
 810   NavigationGesture navigation_gesture_;
 811
 812   // Used for popups.
 813   bool opened_by_user_gesture_;
 814
 815   // Whether this RenderView was created by a frame that was suppressing its
 816   // opener. If so, we may want to load pages in a separate process.  See
 817   // decidePolicyForNavigation for details.
 818   bool opener_suppressed_;
 819
 820   // Whether we must stop creating nested message loops for modal dialogs until
 821   // OnSwapOut is called.  This is necessary because modal dialogs have a
 822   // PageGroupLoadDeferrer on the stack that interferes with swapping out.
 823   bool suppress_dialogs_until_swap_out_;
 824
 825   // Timer used to delay the updating of nav state (see
 826   // StartNavStateSyncTimerIfNecessary).
 827   base::OneShotTimer<RenderViewImpl> nav_state_sync_timer_;
 828
 829   // Page IDs ------------------------------------------------------------------
 830   // See documentation in RenderView.
 831   int32 page_id_;
 832
 833   // The next available page ID to use for this RenderView.  These IDs are
 834   // specific to a given RenderView and the frames within it.
 835   int32 next_page_id_;
 836
 837   // The offset of the current item in the history list.
 838   int history_list_offset_;
 839
 840   // The RenderView's current impression of the history length.  This includes
 841   // any items that have committed in this process, but because of cross-process
 842   // navigations, the history may have some entries that were committed in other
 843   // processes.  We won't know about them until the next navigation in this
 844   // process.
 845   int history_list_length_;
 846
 847   // Counter to track how many frames have sent start notifications but not stop
 848   // notifications. TODO(avi): Remove this once DidStartLoading/DidStopLoading
 849   // are gone.
 850   int frames_in_progress_;
 851
 852   // UI state ------------------------------------------------------------------
 853
 854   // The state of our target_url transmissions. When we receive a request to
 855   // send a URL to the browser, we set this to TARGET_INFLIGHT until an ACK
 856   // comes back - if a new request comes in before the ACK, we store the new
 857   // URL in pending_target_url_ and set the status to TARGET_PENDING. If an
 858   // ACK comes back and we are in TARGET_PENDING, we send the stored URL and
 859   // revert to TARGET_INFLIGHT.
 860   //
 861   // We don't need a queue of URLs to send, as only the latest is useful.
 862   enum {
 863     TARGET_NONE,
 864     TARGET_INFLIGHT,  // We have a request in-flight, waiting for an ACK
 865     TARGET_PENDING    // INFLIGHT + we have a URL waiting to be sent
 866   } target_url_status_;
 867
 868   // The URL we show the user in the status bar. We use this to determine if we
 869   // want to send a new one (we do not need to send duplicates). It will be
 870   // equal to either |mouse_over_url_| or |focus_url_|, depending on which was
 871   // updated last.
 872   GURL target_url_;
 873
 874   // The URL the user's mouse is hovering over.
 875   GURL mouse_over_url_;
 876
 877   // The URL that has keyboard focus.
 878   GURL focus_url_;
 879
 880   // The next target URL we want to send to the browser.
 881   GURL pending_target_url_;
 882
 883   // Indicates whether this view overrides url-based zoom settings.
 884   bool uses_temporary_zoom_level_;
 885
 886 #if defined(OS_ANDROID)
 887   // Cache the old top controls state constraints. Used when updating
 888   // current value only without altering the constraints.
 889   TopControlsState top_controls_constraints_;
 890 #endif
 891
 892   // View ----------------------------------------------------------------------
 893
 894   // Cache the preferred size of the page in order to prevent sending the IPC
 895   // when layout() recomputes but doesn't actually change sizes.
 896   gfx::Size preferred_size_;
 897
 898   // Used to delay determining the preferred size (to avoid intermediate
 899   // states for the sizes).
 900   base::OneShotTimer<RenderViewImpl> check_preferred_size_timer_;
 901
 902   // Bookkeeping to suppress redundant scroll and focus requests for an already
 903   // scrolled and focused editable node.
 904   bool has_scrolled_focused_editable_node_into_rect_;
 905   gfx::Rect rect_for_scrolled_focused_editable_node_;
 906
 907   // Helper objects ------------------------------------------------------------
 908
 909   RenderFrameImpl* main_render_frame_;
 910
 911   // The next group of objects all implement RenderViewObserver, so are deleted
 912   // along with the RenderView automatically.  This is why we just store
 913   // weak references.
 914
 915   // The speech recognition dispatcher attached to this view, lazily
 916   // initialized.
 917   SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
 918
 919   // Mouse Lock dispatcher attached to this view.
 920   MouseLockDispatcher* mouse_lock_dispatcher_;
 921
 922   scoped_ptr<HistoryController> history_controller_;
 923
 924 #if defined(OS_ANDROID)
 925   // Android Specific ---------------------------------------------------------
 926
 927   // Expected id of the next content intent launched. Used to prevent scheduled
 928   // intents to be launched if aborted.
 929   size_t expected_content_intent_id_;
 930
 931   // List of click-based content detectors.
 932   typedef std::vector< linked_ptr<ContentDetector> > ContentDetectorList;
 933   ContentDetectorList content_detectors_;
 934
 935   // A date/time picker object for date and time related input elements.
 936   scoped_ptr<RendererDateTimePicker> date_time_picker_client_;
 937 #endif
 938
 939   // Plugins -------------------------------------------------------------------
 940
 941   // All the currently active plugin delegates for this RenderView; kept so
 942   // that we can enumerate them to send updates about things like window
 943   // location or tab focus and visibily. These are non-owning references.
 944   std::set<WebPluginDelegateProxy*> plugin_delegates_;
 945
 946 #if defined(OS_WIN)
 947   // The ID of the focused NPAPI plugin.
 948   int focused_plugin_id_;
 949 #endif
 950
 951 #if defined(ENABLE_PLUGINS)
 952   PepperPluginInstanceImpl* plugin_find_handler_;
 953
 954   typedef std::set<PepperPluginInstanceImpl*> PepperPluginSet;
 955   PepperPluginSet active_pepper_instances_;
 956
 957   // TODO(jam): these belong on RenderFrame, once the browser knows which frame
 958   // is focused and sends the IPCs which use these to the correct frame. Until
 959   // then, we must store these on RenderView as that's the one place that knows
 960   // about all the RenderFrames for a page.
 961
 962   // Whether or not the focus is on a PPAPI plugin
 963   PepperPluginInstanceImpl* focused_pepper_plugin_;
 964
 965   // The plugin instance that received the last mouse event. It is set to NULL
 966   // if the last mouse event went to elements other than Pepper plugins.
 967   // |pepper_last_mouse_event_target_| is not owned by this class. We depend on
 968   // the RenderFrameImpl to NULL it out when it destructs.
 969   PepperPluginInstanceImpl* pepper_last_mouse_event_target_;
 970 #endif
 971
 972   // Misc ----------------------------------------------------------------------
 973
 974   // The current and pending file chooser completion objects. If the queue is
 975   // nonempty, the first item represents the currently running file chooser
 976   // callback, and the remaining elements are the other file chooser completion
 977   // still waiting to be run (in order).
 978   struct PendingFileChooser;
 979   std::deque< linked_ptr<PendingFileChooser> > file_chooser_completions_;
 980
 981   // The current directory enumeration callback
 982   std::map<int, blink::WebFileChooserCompletion*> enumeration_completions_;
 983   int enumeration_completion_id_;
 984
 985   // The SessionStorage namespace that we're assigned to has an ID, and that ID
 986   // is passed to us upon creation.  WebKit asks for this ID upon first use and
 987   // uses it whenever asking the browser process to allocate new storage areas.
 988   int64 session_storage_namespace_id_;
 989
 990   // Stores edit commands associated to the next key event.
 991   // Shall be cleared as soon as the next key event is processed.
 992   EditCommands edit_commands_;
 993
 994   // All the registered observers.  We expect this list to be small, so vector
 995   // is fine.
 996   base::ObserverList<RenderViewObserver> observers_;
 997
 998   // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
 999   scoped_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
1000
1001   // This field stores drag/drop related info for the event that is currently
1002   // being handled. If the current event results in starting a drag/drop
1003   // session, this info is sent to the browser along with other drag/drop info.
1004   DragEventSourceInfo possible_drag_event_info_;
1005
1006   // NOTE: stats_collection_observer_ should be the last members because their
1007   // constructors call the AddObservers method of RenderViewImpl.
1008   scoped_ptr<StatsCollectionObserver> stats_collection_observer_;
1009
1010   typedef std::map<cc::SharedBitmapId, cc::SharedBitmap*> BitmapMap;
1011   BitmapMap disambiguation_bitmaps_;
1012
1013   bool page_scale_factor_is_one_;
1014
1015   // ---------------------------------------------------------------------------
1016   // ADDING NEW DATA? Please see if it fits appropriately in one of the above
1017   // sections rather than throwing it randomly at the end. If you're adding a
1018   // bunch of stuff, you should probably create a helper class and put your
1019   // data and methods on that to avoid bloating RenderView more.  You can
1020   // use the Observer interface to filter IPC messages and receive frame change
1021   // notifications.
1022   // ---------------------------------------------------------------------------
1023
1024   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
1025 };
1026
1027 }  // namespace content
1028
1029 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_