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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "ScreenOrientationLockType.h"
#include "ScreenOrientationType.h"
#include <wtf/CompletionHandler.h>
#include <wtf/RefCounted.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class DeferredPromise;
class Exception;
class ScreenOrientation;
class ScreenOrientationManager : public CanMakeWeakPtr<ScreenOrientationManager> {
public:
WEBCORE_EXPORT virtual ~ScreenOrientationManager();
class Observer : public CanMakeWeakPtr<Observer> {
public:
virtual ~Observer() { }
virtual void screenOrientationDidChange(ScreenOrientationType) = 0;
};
virtual ScreenOrientationType currentOrientation() = 0;
virtual void lock(ScreenOrientationLockType, CompletionHandler<void(std::optional<Exception>&&)>&&) = 0;
virtual void unlock() = 0;
virtual void addObserver(Observer&) = 0;
virtual void removeObserver(Observer&) = 0;
void setLockPromise(ScreenOrientation&, Ref<DeferredPromise>&&);
ScreenOrientation* lockRequester() const;
RefPtr<DeferredPromise> takeLockPromise();
protected:
WEBCORE_EXPORT ScreenOrientationManager();
private:
RefPtr<DeferredPromise> m_lockPromise;
WeakPtr<ScreenOrientation> m_lockRequester;
};
} // namespace WebCore
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