Revert 71879 due to compile failure - touch: Allow grabbing/ungrabbing touch ...

views/touchui/touch_factory.h

-// Copyright (c) 2011 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.
-
-#ifndef VIEWS_TOUCHUI_TOUCH_FACTORY_H_
-#define VIEWS_TOUCHUI_TOUCH_FACTORY_H_
-#pragma once
-
-#include <bitset>
-#include <vector>
-
-#include "base/singleton.h"
-
-typedef unsigned long Window;
-typedef struct _XDisplay Display;
-
-namespace views {
-
-// Functions related to determining touch devices.
-class TouchFactory {
- public:
-  // Returns the TouchFactory singleton.
-  static TouchFactory* GetInstance();
-
-  // Keep a list of touch devices so that it is possible to determine if a
-  // pointer event is a touch-event or a mouse-event. The list is reset each
-  // time this is called.
-  void SetTouchDeviceList(const std::vector<unsigned int>& devices);
-
-  // Is the device a touch-device?
-  bool IsTouchDevice(unsigned int deviceid);
-
-  // Grab the touch devices for the specified window on the specified display.
-  // Returns if grab was successful for all touch devices.
-  bool GrabTouchDevices(Display* display, ::Window window);
-
-  // Ungrab the touch devices. Returns if ungrab was successful for all touch
-  // devices.
-  bool UngrabTouchDevices(Display* display);
-
- private:
-  TouchFactory();
-
-  // Requirement for Signleton
-  friend struct DefaultSingletonTraits<TouchFactory>;
-
-  // NOTE: To keep track of touch devices, we currently maintain a lookup table
-  // to quickly decide if a device is a touch device or not. We also maintain a
-  // list of the touch devices. Ideally, there will be only one touch device,
-  // and instead of having the lookup table and the list, there will be a single
-  // identifier for the touch device. This can be completed after enough testing
-  // on real touch devices.
-
-  // A quick lookup table for determining if a device is a touch device.
-  std::bitset<128> touch_device_lookup_;
-
-  // The list of touch devices.
-  std::vector<int> touch_device_list_;
-
-  DISALLOW_COPY_AND_ASSIGN(TouchFactory);
-};
-
-}  // namespace views
-
-#endif  // VIEWS_TOUCHUI_TOUCH_FACTORY_H_