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_ 24