15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef ASH_WM_GESTURES_TWO_FINGER_DRAG_HANDLER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define ASH_WM_GESTURES_TWO_FINGER_DRAG_HANDLER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window_observer.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace aura { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Window; 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ui { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class GestureEvent; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ash { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WindowResizer; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace internal { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This handles 2-finger drag gestures to move toplevel windows. 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class TwoFingerDragHandler : public aura::WindowObserver { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TwoFingerDragHandler(); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~TwoFingerDragHandler(); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Processes a gesture event and starts a drag, or updates/ends an in-progress 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // drag. Returns true if the event has been handled and should not be 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // processed any farther, false otherwise. 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ProcessGestureEvent(aura::Window* target, const ui::GestureEvent& event); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Reset(); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Overridden from aura::WindowObserver. 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnWindowVisibilityChanged(aura::Window* window, 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool visible) OVERRIDE; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int first_finger_hittest_; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<WindowResizer> window_resizer_; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(TwoFingerDragHandler); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ash 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // ASH_WM_GESTURES_TWO_FINGER_DRAG_HANDLER_H_ 56