chrome/browser/ui/panels/panel_mouse_watcher_observer.h

   1 // Copyright (c) 2011 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 CHROME_BROWSER_UI_PANELS_PANEL_MOUSE_WATCHER_OBSERVER_H_
   6 #define CHROME_BROWSER_UI_PANELS_PANEL_MOUSE_WATCHER_OBSERVER_H_
   7
   8 namespace gfx {
   9 class Point;
  10 }
  11
  12 // This observer interface should be implemented in order to receive
  13 // notifications from PanelMouseWatcher when the mouse moves.
  14 class PanelMouseWatcherObserver {
  15  public:
  16   // Called when the mouse moves.
  17   // |mouse_position| is in screen coordinates.
  18   virtual void OnMouseMove(const gfx::Point& mouse_position) = 0;
  19
  20  protected:
  21   virtual ~PanelMouseWatcherObserver() {}
  22 };
  23 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_MOUSE_WATCHER_OBSERVER_H_