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/*
* Copyright (C) 2015 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.
*/
#ifndef MediaSessionInterruptionProvider_h
#define MediaSessionInterruptionProvider_h
#if ENABLE(MEDIA_SESSION)
#include <wtf/RefCounted.h>
namespace WebCore {
enum class MediaSessionInterruptingCategory {
Content,
Transient,
TransientSolo
};
class MediaSessionInterruptionProviderClient {
public:
virtual void didReceiveStartOfInterruptionNotification(MediaSessionInterruptingCategory) = 0;
virtual void didReceiveEndOfInterruptionNotification(MediaSessionInterruptingCategory) = 0;
protected:
virtual ~MediaSessionInterruptionProviderClient() = default;
};
class MediaSessionInterruptionProvider : public RefCounted<MediaSessionInterruptionProvider> {
public:
explicit MediaSessionInterruptionProvider(MediaSessionInterruptionProviderClient&);
virtual ~MediaSessionInterruptionProvider();
// To be overridden by subclasses.
virtual void beginListeningForInterruptions() = 0;
virtual void stopListeningForInterruptions() = 0;
MediaSessionInterruptionProviderClient& client() const { return *m_client; }
private:
MediaSessionInterruptionProviderClient* m_client;
};
} // namespace WebCore
#endif // ENABLE(MEDIA_SESSION)
#endif /* MediaSessionInterruptionProvider_h */