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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 DeviceOrientationController_h
#define DeviceOrientationController_h
#include "core/dom/Document.h"
#include "core/frame/DeviceSingleWindowEventController.h"
#include "modules/ModulesExport.h"
namespace blink {
class DeviceOrientationData;
class DeviceOrientationDispatcher;
class Event;
class MODULES_EXPORT DeviceOrientationController
: public DeviceSingleWindowEventController,
public Supplement<Document> {
USING_GARBAGE_COLLECTED_MIXIN(DeviceOrientationController);
public:
~DeviceOrientationController() override;
static const char* supplementName();
static DeviceOrientationController& from(Document&);
// Inherited from DeviceSingleWindowEventController.
void didUpdateData() override;
void didAddEventListener(LocalDOMWindow*,
const AtomicString& eventType) override;
void setOverride(DeviceOrientationData*);
void clearOverride();
DECLARE_VIRTUAL_TRACE();
protected:
explicit DeviceOrientationController(Document&);
virtual DeviceOrientationDispatcher& dispatcherInstance() const;
private:
// Inherited from DeviceEventControllerBase.
void registerWithDispatcher() override;
void unregisterWithDispatcher() override;
bool hasLastData() override;
// Inherited from DeviceSingleWindowEventController.
Event* lastEvent() const override;
const AtomicString& eventTypeName() const override;
bool isNullEvent(Event*) const override;
DeviceOrientationData* lastData() const;
Member<DeviceOrientationData> m_overrideOrientationData;
};
} // namespace blink
#endif // DeviceOrientationController_h
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