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

BUG=41781
TEST=Manual test in ppapi/examples/mouse_lock


Review URL: http://codereview.chromium.org/7863003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@102234 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 7 insertions, 0 deletions

diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 05a7d5f..0980575 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -42,6 +42,7 @@ class PlatformCanvas;
 }
 
 namespace WebKit {
+class WebInputEvent;
 class WebMouseEvent;
 class WebWidget;
 struct WebPopupMenuInfo;
@@ -300,6 +301,12 @@ class RenderWidget : public IPC::Channel::Listener,
   // just handled.
   virtual void DidHandleKeyEvent() {}
 
+  // Called by OnHandleInputEvent() to notify subclasses that a mouse event is
+  // about to be handled.
+  // Returns true if no further handling is needed. In that case, the event
+  // won't be sent to WebKit or trigger DidHandleMouseEvent().
+  virtual bool WillHandleMouseEvent(const WebKit::WebMouseEvent& event);
+
   // Called by OnHandleInputEvent() to notify subclasses that a mouse event was
   // just handled.
   virtual void DidHandleMouseEvent(const WebKit::WebMouseEvent& event) {}