| // 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 ScreenOrientationController_h |
| #define ScreenOrientationController_h |
| |
| #include "core/frame/PlatformEventController.h" |
| #include "platform/Supplementable.h" |
| #include "platform/Timer.h" |
| #include "public/platform/WebLockOrientationCallback.h" |
| #include "public/platform/WebScreenOrientationLockType.h" |
| #include "public/platform/WebScreenOrientationType.h" |
| |
| namespace blink { |
| |
| class FrameView; |
| class ScreenOrientation; |
| class WebScreenOrientationClient; |
| |
| class ScreenOrientationController FINAL |
| : public NoBaseWillBeGarbageCollectedFinalized<ScreenOrientationController> |
| , public WillBeHeapSupplement<LocalFrame> |
| , public PlatformEventController { |
| WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ScreenOrientationController); |
| WTF_MAKE_NONCOPYABLE(ScreenOrientationController); |
| public: |
| virtual ~ScreenOrientationController(); |
| |
| virtual void persistentHostHasBeenDestroyed() OVERRIDE; |
| |
| void setOrientation(ScreenOrientation*); |
| void notifyOrientationChanged(); |
| |
| void lock(WebScreenOrientationLockType, WebLockOrientationCallback*); |
| void unlock(); |
| |
| const LocalFrame& frame() const; |
| |
| static void provideTo(LocalFrame&, WebScreenOrientationClient*); |
| static ScreenOrientationController* from(LocalFrame&); |
| static const char* supplementName(); |
| |
| virtual void trace(Visitor*); |
| |
| private: |
| explicit ScreenOrientationController(LocalFrame&, WebScreenOrientationClient*); |
| static WebScreenOrientationType computeOrientation(FrameView*); |
| |
| // Inherited from PlatformEventController. |
| virtual void didUpdateData() OVERRIDE; |
| virtual void registerWithDispatcher() OVERRIDE; |
| virtual void unregisterWithDispatcher() OVERRIDE; |
| virtual bool hasLastData() OVERRIDE; |
| virtual void pageVisibilityChanged() OVERRIDE; |
| |
| void notifyDispatcher(); |
| |
| void updateOrientation(); |
| |
| void dispatchEventTimerFired(Timer<ScreenOrientationController>*); |
| |
| PersistentWillBeMember<ScreenOrientation> m_orientation; |
| WebScreenOrientationClient* m_client; |
| LocalFrame& m_frame; |
| Timer<ScreenOrientationController> m_dispatchEventTimer; |
| }; |
| |
| } // namespace blink |
| |
| #endif // ScreenOrientationController_h |