1 // Copyright (c) 2012 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 ASH_WM_GESTURES_SHELF_GESTURE_HANDLER_H_ 6 #define ASH_WM_GESTURES_SHELF_GESTURE_HANDLER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/memory/scoped_ptr.h" 10 11 namespace ui { 12 class GestureEvent; 13 } 14 15 namespace ash { 16 namespace internal { 17 18 class TrayGestureHandler; 19 20 // This manages gestures on the shelf (e.g. launcher, status tray) that affects 21 // the shelf visibility. 22 class ShelfGestureHandler { 23 public: 24 ShelfGestureHandler(); 25 virtual ~ShelfGestureHandler(); 26 27 // Processes a gesture event and updates the status of the shelf when 28 // appropriate. Returns true of the gesture has been handled and it should not 29 // be processed any farther, false otherwise. 30 bool ProcessGestureEvent(const ui::GestureEvent& event); 31 32 private: 33 bool drag_in_progress_; 34 35 scoped_ptr<TrayGestureHandler> tray_handler_; 36 37 DISALLOW_COPY_AND_ASSIGN(ShelfGestureHandler); 38 }; 39 40 } // namespace internal 41 } // namespace ash 42 43 #endif // ASH_WM_GESTURES_SHELF_GESTURE_HANDLER_H_ 44