ozone: evdev: Add gesture property provider

ui/events/ozone/evdev/event_factory_evdev.h

 // Copyright 2014 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 UI_EVENTS_OZONE_EVDEV_EVENT_FACTORY_EVDEV_H_
 #define UI_EVENTS_OZONE_EVDEV_EVENT_FACTORY_EVDEV_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/task_runner.h"
 #include "ui/events/ozone/device/device_event_observer.h"
 #include "ui/events/ozone/evdev/event_converter_evdev.h"
 #include "ui/events/ozone/evdev/event_modifiers_evdev.h"
 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
 #include "ui/events/platform/platform_event_source.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace gfx {
 class PointF;
 }  // namespace gfx
 
 namespace ui {
 
 class CursorDelegateEvdev;
 class DeviceManager;
 
+#if defined(USE_EVDEV_GESTURES)
+class GesturePropertyProvider;
+#endif
+
 // Ozone events implementation for the Linux input subsystem ("evdev").
 class EVENTS_OZONE_EVDEV_EXPORT EventFactoryEvdev : public DeviceEventObserver,
                                                     public PlatformEventSource {
  public:
   EventFactoryEvdev(CursorDelegateEvdev* cursor,
                     DeviceManager* device_manager);
   virtual ~EventFactoryEvdev();
 
   void DispatchUiEvent(Event* event);
 
@@ skipping 24 matching lines @@
 
   // Task runner for event dispatch.
   scoped_refptr<base::TaskRunner> ui_task_runner_;
 
   // Modifier key state (shift, ctrl, etc).
   EventModifiersEvdev modifiers_;
 
   // Cursor movement.
   CursorDelegateEvdev* cursor_;
 
+#if defined(USE_EVDEV_GESTURES)
+  // Gesture library property provider (used by touchpads/mice).
+  scoped_ptr<GesturePropertyProvider> gesture_prop_provider_;
+#endif
+
   // Dispatch callback for events.
   EventDispatchCallback dispatch_callback_;
 
   // Support weak pointers for attach & detach callbacks.
   base::WeakPtrFactory<EventFactoryEvdev> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EventFactoryEvdev);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_EVENT_FACTORY_EVDEV_H_