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// 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/FrameDestructionObserver.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 FrameDestructionObserver
, public PlatformEventController {
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ScreenOrientationController);
WTF_MAKE_NONCOPYABLE(ScreenOrientationController);
public:
virtual ~ScreenOrientationController();
void setOrientation(ScreenOrientation*);
void notifyOrientationChanged();
void lock(WebScreenOrientationLockType, WebLockOrientationCallback*);
void unlock();
static void provideTo(LocalFrame&, WebScreenOrientationClient*);
static ScreenOrientationController* from(LocalFrame&);
static const char* supplementName();
virtual void trace(Visitor*) override;
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;
// Inherited from FrameDestructionObserver.
virtual void willDetachFrameHost() override;
void notifyDispatcher();
void updateOrientation();
void dispatchEventTimerFired(Timer<ScreenOrientationController>*);
bool isActiveAndVisible() const;
PersistentWillBeMember<ScreenOrientation> m_orientation;
WebScreenOrientationClient* m_client;
Timer<ScreenOrientationController> m_dispatchEventTimer;
};
} // namespace blink
#endif // ScreenOrientationController_h
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