Implement cancel() API on a Notification object so that script can cancel or ...

chrome/browser/views/notifications/balloon_view.h

 // Copyright (c) 2009 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.
 
 // Draws the view for the balloons.
 
 #ifndef CHROME_BROWSER_VIEWS_NOTIFICATIONS_BALLOON_VIEW_H_
 #define CHROME_BROWSER_VIEWS_NOTIFICATIONS_BALLOON_VIEW_H_
 
 #include "app/gfx/path.h"
@@ skipping 27 matching lines @@
                         public views::View,
                         public NotificationObserver,
                         public AnimationDelegate {
  public:
   BalloonViewImpl();
   ~BalloonViewImpl();
 
   // BalloonView interface.
   void Show(Balloon* balloon);
   void RepositionToBalloon();
-  void Close();
+  void Close(bool by_user);
 
  private:
   // Overridden from views::View.
   virtual void Paint(gfx::Canvas* canvas);
   virtual void DidChangeBounds(const gfx::Rect& previous,
                                const gfx::Rect& current);
   virtual gfx::Size GetPreferredSize() {
     return gfx::Size(1000, 1000);
   }
 
   // NotificationObserver method.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // AnimationDelegate method.
   virtual void AnimationProgressed(const Animation* animation);
 
   // How to mask the balloon contents to fit within the frame.
   // Populates |path| with the outline.
   void GetContentsMask(const gfx::Rect& contents_rect, gfx::Path* path) const;
 
   // Adjust the contents window size to be appropriate for the frame.
   void SizeContentsWindow();
 
   // Do the delayed close work.
-  void DelayedClose();
+  void DelayedClose(bool by_user);
 
   // The height of the balloon's shelf.
   // The shelf is where is close button is located.
   int GetShelfHeight() const;
 
   // The width of the frame (not including any shadow).
   int GetFrameWidth() const;
 
   // The height of the frame (not including any shadow).
   int GetTotalFrameHeight() const;
@@ skipping 39 matching lines @@
   scoped_ptr<SlideAnimation> animation_;
   gfx::Rect anim_frame_start_;
   gfx::Rect anim_frame_end_;
 
   NotificationRegistrar notification_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BalloonViewImpl);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_NOTIFICATIONS_BALLOON_VIEW_H_