refactoring mouse lock to support pepper and WebKit

content/renderer/render_view_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 49 matching lines @@
 
 class DeviceOrientationDispatcher;
 class DevToolsAgent;
 class ExternalPopupMenu;
 class GeolocationDispatcher;
 class GURL;
 class JavaBridgeDispatcher;
 class LoadProgressTracker;
 class MediaStreamDispatcher;
 class MediaStreamImpl;
+class MouseLockDispatcher;
 class NotificationProvider;
 class PepperDeviceTest;
 struct PP_NetAddress_Private;
 class RenderWidgetFullscreenPepper;
 class RendererAccessibility;
 class SkBitmap;
 class SpeechInputDispatcher;
 struct ViewMsg_Navigate_Params;
 struct ViewMsg_StopFinding_Params;
 struct ViewMsg_SwapOut_Params;
@@ skipping 126 matching lines @@
 
   MediaStreamDispatcher* media_stream_dispatcher() {
     return media_stream_dispatcher_;
   }
 
   // Current P2PSocketDispatcher. Set to NULL if P2P API is disabled.
   content::P2PSocketDispatcher* p2p_socket_dispatcher() {
     return p2p_socket_dispatcher_;
   }
 
+  MouseLockDispatcher* mouse_lock_dispatcher() {
+    return mouse_lock_dispatcher_;
+  }
+
   WebKit::WebPeerConnectionHandler* CreatePeerConnectionHandler(
       WebKit::WebPeerConnectionHandlerClient* client);
 
   // Functions to add and remove observers for this object.
   void AddObserver(content::RenderViewObserver* observer);
   void RemoveObserver(content::RenderViewObserver* observer);
 
   // Adds the given file chooser request to the file_chooser_completion_ queue
   // (see that var for more) and requests the chooser be displayed if there are
   // no other waiting items in the queue.
@@ skipping 84 matching lines @@
 
   // WebKit::WebWidgetClient implementation ------------------------------------
 
   // Most methods are handled by RenderWidget.
   virtual void didFocus();
   virtual void didBlur();
   virtual void show(WebKit::WebNavigationPolicy policy);
   virtual void runModal();
   virtual bool enterFullScreen();
   virtual void exitFullScreen();
+  virtual bool requestPointerLock();
+  virtual void requestPointerUnlock();
+  virtual bool isPointerLocked();
 
   // WebKit::WebViewClient implementation --------------------------------------
 
   virtual WebKit::WebView* createView(
       WebKit::WebFrame* creator,
       const WebKit::WebURLRequest& request,
       const WebKit::WebWindowFeatures& features,
       const WebKit::WebString& frame_name);
   virtual WebKit::WebWidget* createPopupMenu(WebKit::WebPopupType popup_type);
   virtual WebKit::WebWidget* createPopupMenu(
@@ skipping 473 matching lines @@
   void OnEnumerateDirectoryResponse(int id, const std::vector<FilePath>& paths);
   void OnExecuteEditCommand(const std::string& name, const std::string& value);
   void OnFileChooserResponse(const std::vector<FilePath>& paths);
   void OnFind(int request_id, const string16&, const WebKit::WebFindOptions&);
   void OnFindReplyAck();
   void OnGetAllSavableResourceLinksForCurrentPage(const GURL& page_url);
   void OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
       const std::vector<GURL>& links,
       const std::vector<FilePath>& local_paths,
       const FilePath& local_directory_name);
-  void OnLockMouseACK(bool succeeded);
   void OnMediaPlayerActionAt(const gfx::Point& location,
                              const WebKit::WebMediaPlayerAction& action);
   void OnPluginActionAt(const gfx::Point& location,
                         const WebKit::WebPluginAction& action);
-  void OnMouseLockLost();
   void OnMoveOrResizeStarted();
   CONTENT_EXPORT void OnNavigate(const ViewMsg_Navigate_Params& params);
   void OnPaste();
   void OnPasteAndMatchStyle();
 #if defined(OS_MACOSX)
   void OnPluginImeCompositionCompleted(const string16& text, int plugin_id);
 #endif
   void OnRedo();
   void OnReloadFrame();
   void OnReplace(const string16& text);
@@ skipping 332 matching lines @@
   // Dispatches all P2P socket used by the renderer.
   content::P2PSocketDispatcher* p2p_socket_dispatcher_;
 
   DevToolsAgent* devtools_agent_;
 
   RendererAccessibility* renderer_accessibility_;
 
   // Java Bridge dispatcher attached to this view; lazily initialized.
   scoped_ptr<JavaBridgeDispatcher> java_bridge_dispatcher_;
 
+  // Mouse Lock dispatcher attached to this view.
+  MouseLockDispatcher* mouse_lock_dispatcher_;
+
   // Misc ----------------------------------------------------------------------
 
   // The current and pending file chooser completion objects. If the queue is
   // nonempty, the first item represents the currently running file chooser
   // callback, and the remaining elements are the other file chooser completion
   // still waiting to be run (in order).
   struct PendingFileChooser;
   std::deque< linked_ptr<PendingFileChooser> > file_chooser_completions_;
 
   // The current directory enumeration callback
@@ skipping 38 matching lines @@
   scoped_ptr<LoadProgressTracker> load_progress_tracker_;
 
   // All the registered observers.  We expect this list to be small, so vector
   // is fine.
   ObserverList<content::RenderViewObserver> observers_;
 
   // Used to inform didChangeSelection() when it is called in the context
   // of handling a ViewMsg_SelectRange IPC.
   bool handling_select_range_;
 
+  // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
+  scoped_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
+
   // Plugins -------------------------------------------------------------------
 
   // All the currently active plugin delegates for this RenderView; kept so
   // that we can enumerate them to send updates about things like window
   // location or tab focus and visibily. These are non-owning references.
   std::set<WebPluginDelegateProxy*> plugin_delegates_;
 
 #if defined(OS_WIN)
   // The ID of the focused NPAPI plug-in.
   int focused_plugin_id_;
 #endif
 
   // NOTE: pepper_delegate_ should be last member because its constructor calls
   // AddObservers method of RenderViewImpl from c-tor.
   PepperPluginDelegateImpl pepper_delegate_;
 
   // ---------------------------------------------------------------------------
   // ADDING NEW DATA? Please see if it fits appropriately in one of the above
   // sections rather than throwing it randomly at the end. If you're adding a
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.  You can
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_