1 // Copyright 2014 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 DeviceOrientationController_h 6 #define DeviceOrientationController_h 7 8 #include "core/dom/DocumentSupplementable.h" 9 #include "core/frame/DeviceSingleWindowEventController.h" 10 11 namespace WebCore { 12 13 class DeviceOrientationData; 14 class Event; 15 16 class DeviceOrientationController FINAL : public NoBaseWillBeGarbageCollectedFinalized<DeviceOrientationController>, public DeviceSingleWindowEventController, public DocumentSupplement { 17 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DeviceOrientationController); 18 public: 19 virtual ~DeviceOrientationController(); 20 21 static const char* supplementName(); 22 static DeviceOrientationController& from(Document&); 23 24 // Inherited from DeviceSingleWindowEventController. 25 void didUpdateData() OVERRIDE; 26 27 void setOverride(DeviceOrientationData*); 28 void clearOverride(); 29 30 virtual void trace(Visitor*) OVERRIDE; 31 32 private: 33 explicit DeviceOrientationController(Document&); 34 35 // Inherited from DeviceEventControllerBase. 36 virtual void registerWithDispatcher() OVERRIDE; 37 virtual void unregisterWithDispatcher() OVERRIDE; 38 virtual bool hasLastData() OVERRIDE; 39 40 // Inherited from DeviceSingleWindowEventController. 41 virtual PassRefPtrWillBeRawPtr<Event> lastEvent() const OVERRIDE; 42 virtual const AtomicString& eventTypeName() const OVERRIDE; 43 virtual bool isNullEvent(Event*) const OVERRIDE; 44 45 DeviceOrientationData* lastData() const; 46 47 RefPtrWillBeMember<DeviceOrientationData> m_overrideOrientationData; 48 }; 49 50 } // namespace WebCore 51 52 #endif // DeviceOrientationController_h 53
