/*
 * Copyright (C) 2015 Ericsson AB. 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.
 * 3. Neither the name of Ericsson nor the names of its contributors
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER 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.
 */

#include "config.h"
#include "MediaDevices.h"

#if ENABLE(MEDIA_STREAM)

#include "Dictionary.h"
#include "Document.h"
#include "MediaDevicesRequest.h"
#include "MediaStream.h"
#include "MediaTrackSupportedConstraints.h"
#include "RealtimeMediaSourceCenter.h"
#include "UserMediaController.h"
#include "UserMediaRequest.h"

namespace WebCore {

Ref<MediaDevices> MediaDevices::create(Document* document)
{
    return adoptRef(*new MediaDevices(document));
}

MediaDevices::MediaDevices(Document* document)
    : ContextDestructionObserver(document)
{
}

MediaDevices::~MediaDevices()
{
}

Document* MediaDevices::document() const
{
    return static_cast<Document*>(scriptExecutionContext());
}

void MediaDevices::getUserMedia(const Dictionary& options, RefPtr<DeferredPromise> promise, ExceptionCode& ec) const
{
    UserMediaRequest::start(document(), options, promise.release(), ec);
}

void MediaDevices::enumerateDevices(RefPtr<DeferredPromise> promise, ExceptionCode& ec) const
{
    RefPtr<MediaDevicesRequest> request = MediaDevicesRequest::create(document(), promise.release(), ec);
    if (request)
        request->start();
}

PassOwnPtr<MediaTrackSupportedConstraints> MediaDevices::getSupportedConstraints()
{
    auto& supported = RealtimeMediaSourceCenter::singleton().supportedConstraints();
    OwnPtr<MediaTrackSupportedConstraints> result = adoptPtr(new MediaTrackSupportedConstraints());
    result->width = supported.supportsWidth();
    result->height = supported.supportsHeight();
    result->aspectRatio = supported.supportsAspectRatio();
    result->frameRate = supported.supportsFrameRate();
    result->facingMode = supported.supportsFacingMode();
    result->volume = supported.supportsVolume();
    result->sampleRate = supported.supportsSampleRate();
    result->sampleSize = supported.supportsSampleSize();
    result->echoCancellation = supported.supportsEchoCancellation();
    result->deviceId = supported.supportsDeviceId();
    result->groupId = supported.supportsGroupId();
    return result.release();
}

} // namespace WebCore

#endif // ENABLE(MEDIA_STREAM)
