Source/platform/mediastream/MediaStreamTrackSourcesRequest.h

/*
 * Copyright (C) 2013 Google 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 GOOGLE 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 GOOGLE 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef MediaStreamTrackSourcesRequest_h
#define MediaStreamTrackSourcesRequest_h

#include "platform/heap/Handle.h"
#include "public/platform/WebVector.h"
#include "wtf/Forward.h"
#include "wtf/PassOwnPtr.h"

namespace blink {

class WebSourceInfo;

class MediaStreamTrackSourcesRequest : public GarbageCollectedFinalized<MediaStreamTrackSourcesRequest> {
public:
    class ExtraData {
    public:
        virtual ~ExtraData() { }
    };

    virtual ~MediaStreamTrackSourcesRequest() { }

    virtual String origin() = 0;
    virtual void requestSucceeded(const WebVector<WebSourceInfo>&) = 0;

    ExtraData* extraData() const { return m_extraData.get(); }
    void setExtraData(PassOwnPtr<ExtraData> extraData) { m_extraData = extraData; }

    virtual void trace(Visitor*) { }

protected:
    MediaStreamTrackSourcesRequest() { }

private:
    OwnPtr<ExtraData> m_extraData;
};

} // namespace blink

#endif // MediaStreamTrackSourcesRequest_h