root/Source/platform/exported/WebMediaStreamTrack.cpp

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DEFINITIONS

This source file includes following definitions.
  1. extraData
  2. owner
  3. setOwner
  4. initialize
  5. initialize
  6. reset
  7. isEnabled
  8. id
  9. source
  10. extraData
  11. setExtraData
  12. setSourceProvider
  13. assign

/*
 * 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 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.
 */

#include "config.h"

#include "public/platform/WebMediaStreamTrack.h"

#include "platform/mediastream/MediaStreamComponent.h"
#include "platform/mediastream/MediaStreamSource.h"
#include "public/platform/WebAudioSourceProvider.h"
#include "public/platform/WebMediaStream.h"
#include "public/platform/WebMediaStreamSource.h"
#include "public/platform/WebString.h"
#include "wtf/Vector.h"

using namespace WebCore;

namespace blink {

namespace {

class ExtraDataContainer : public MediaStreamComponent::ExtraData {
public:
    explicit ExtraDataContainer(PassOwnPtr<WebMediaStreamTrack::ExtraData> extraData) : m_extraData(extraData) { }

    WebMediaStreamTrack::ExtraData* extraData() { return m_extraData.get(); }

private:
    OwnPtr<WebMediaStreamTrack::ExtraData> m_extraData;
};

} // namespace

WebMediaStreamTrack WebMediaStreamTrack::ExtraData::owner()
{
    ASSERT(m_owner);
    return WebMediaStreamTrack(m_owner);
}

void WebMediaStreamTrack::ExtraData::setOwner(WebCore::MediaStreamComponent* owner)
{
    ASSERT(!m_owner);
    m_owner = owner;
}

WebMediaStreamTrack::WebMediaStreamTrack(PassRefPtr<WebCore::MediaStreamComponent> mediaStreamComponent)
    : m_private(mediaStreamComponent)
{
}

WebMediaStreamTrack::WebMediaStreamTrack(WebCore::MediaStreamComponent* mediaStreamComponent)
    : m_private(mediaStreamComponent)
{
}

WebMediaStreamTrack& WebMediaStreamTrack::operator=(WebCore::MediaStreamComponent* mediaStreamComponent)
{
    m_private = mediaStreamComponent;
    return *this;
}

void WebMediaStreamTrack::initialize(const WebMediaStreamSource& source)
{
    m_private = MediaStreamComponent::create(source);
}

void WebMediaStreamTrack::initialize(const WebString& id, const WebMediaStreamSource& source)
{
    m_private = MediaStreamComponent::create(id, source);
}

void WebMediaStreamTrack::reset()
{
    m_private.reset();
}

WebMediaStreamTrack::operator PassRefPtr<MediaStreamComponent>() const
{
    return m_private.get();
}

WebMediaStreamTrack::operator MediaStreamComponent*() const
{
    return m_private.get();
}

bool WebMediaStreamTrack::isEnabled() const
{
    ASSERT(!m_private.isNull());
    return m_private->enabled();
}

WebString WebMediaStreamTrack::id() const
{
    ASSERT(!m_private.isNull());
    return m_private->id();
}

WebMediaStreamSource WebMediaStreamTrack::source() const
{
    ASSERT(!m_private.isNull());
    return WebMediaStreamSource(m_private->source());
}

WebMediaStreamTrack::ExtraData* WebMediaStreamTrack::extraData() const
{
    MediaStreamComponent::ExtraData* data = m_private->extraData();
    if (!data)
        return 0;
    return static_cast<ExtraDataContainer*>(data)->extraData();
}

void WebMediaStreamTrack::setExtraData(ExtraData* extraData)
{
    ASSERT(!m_private.isNull());

    if (extraData)
        extraData->setOwner(m_private.get());

    m_private->setExtraData(adoptPtr(new ExtraDataContainer(adoptPtr(extraData))));
}

void WebMediaStreamTrack::setSourceProvider(WebAudioSourceProvider* provider)
{
#if ENABLE(WEB_AUDIO)
    ASSERT(!m_private.isNull());
    m_private->setSourceProvider(provider);
#endif // ENABLE(WEB_AUDIO)
}

void WebMediaStreamTrack::assign(const WebMediaStreamTrack& other)
{
    m_private = other.m_private;
}

} // namespace blink

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