Source/WebCore/platform/graphics/MediaPlaybackTarget.h

/*
 * 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. ``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
 * 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 MediaPlaybackTarget_h
#define MediaPlaybackTarget_h

#if ENABLE(WIRELESS_PLAYBACK_TARGET)

#include "MediaPlaybackTargetContext.h"
#include <wtf/NeverDestroyed.h>
#include <wtf/RefCounted.h>

namespace WebCore {

static const MediaPlaybackTargetContext& noMediaPlaybackTargetContext()
{
    static NeverDestroyed<MediaPlaybackTargetContext> context;
    return context;
}

class MediaPlaybackTarget : public RefCounted<MediaPlaybackTarget> {
public:
    virtual ~MediaPlaybackTarget() { }

    enum TargetType {
        None,
        AVFoundation,
        Mock,
    };
    virtual TargetType targetType() const { return None; }

    virtual const MediaPlaybackTargetContext& targetContext() const { return noMediaPlaybackTargetContext(); }
    virtual bool hasActiveRoute() const { return false; }
    virtual String deviceName() const { return emptyString(); }

protected:
    MediaPlaybackTarget() { }
};

}

#endif // ENABLE(WIRELESS_PLAYBACK_TARGET)

#endif