Mouse lock implementation, including the renderer side and the Windows version of the browser side.

content/browser/renderer_host/render_widget_host.h

 // Copyright (c) 2011 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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 #pragma once
 
 #include <deque>
 #include <string>
@@ skipping 174 matching lines @@
 
   // Called to notify the RenderWidget that its associated native window got
   // focused.
   virtual void GotFocus();
 
   // Tells the renderer it got/lost focus.
   void Focus();
   void Blur();
   virtual void LostCapture();
 
+  // Called to notify the RenderWidget that it has lost the mouse lock.
+  virtual void LostMouseLock();
+
   // Tells us whether the page is rendered directly via the GPU process.
   bool is_accelerated_compositing_active() {
     return is_accelerated_compositing_active_;
   }
 
   // Notifies the RenderWidgetHost that the View was destroyed.
   void ViewDestroyed();
 
   // Indicates if the page has finished loading.
   void SetIsLoading(bool is_loading);
@@ skipping 209 matching lines @@
   // RenderViewHostDelegate). The gestures that count are 1) any mouse down
   // event and 2) enter or space key presses.
   virtual void OnUserGesture() {}
 
   // Callbacks for notification when the renderer becomes unresponsive to user
   // input events, and subsequently responsive again. RenderViewHost overrides
   // these to tell its delegate to show the user a warning.
   virtual void NotifyRendererUnresponsive() {}
   virtual void NotifyRendererResponsive() {}
 
+  bool IsMouseLocked() const;
+
  protected:
   // true if a renderer has once been valid. We use this flag to display a sad
   // tab only when we lose our renderer and not if a paint occurs during
   // initialization.
   bool renderer_initialized_;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostTest, Resize);
   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostTest, ResizeThenCrash);
   FRIEND_TEST_ALL_PREFIXES(RenderWidgetHostTest, HiddenPaint);
@@ skipping 26 matching lines @@
 
   void OnMsgSetCursor(const WebCursor& cursor);
   void OnMsgImeUpdateTextInputState(ui::TextInputType type,
                                     bool can_compose_inline,
                                     const gfx::Rect& caret_rect);
   void OnMsgImeCompositionRangeChanged(const ui::Range& range);
   void OnMsgImeCancelComposition();
 
   void OnMsgDidActivateAcceleratedCompositing(bool activated);
 
+  void OnMsgLockMouse();
+  void OnMsgUnlockMouse();
+
 #if defined(OS_POSIX)
   void OnMsgGetScreenInfo(gfx::NativeViewId view,
                           WebKit::WebScreenInfo* results);
   void OnMsgGetWindowRect(gfx::NativeViewId window_id, gfx::Rect* results);
   void OnMsgGetRootWindowRect(gfx::NativeViewId window_id, gfx::Rect* results);
 #endif
 #if defined(OS_MACOSX)
   void OnMsgPluginFocusChanged(bool focused, int plugin_id);
   void OnMsgStartPluginIme();
   void OnAllocateFakePluginWindowHandle(bool opaque,
@@ skipping 195 matching lines @@
 
   std::vector<gfx::PluginWindowHandle> deferred_plugin_handles_;
 
   // The last scroll offset of the render widget.
   gfx::Point last_scroll_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_