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/*
* 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 "Document.h"
#include "MediaConstraintsImpl.h"
#include "MediaDevicesRequest.h"
#include "MediaTrackSupportedConstraints.h"
#include "RealtimeMediaSourceCenter.h"
#include "UserMediaRequest.h"
namespace WebCore {
inline MediaDevices::MediaDevices(Document& document)
: ContextDestructionObserver(&document)
{
}
Ref<MediaDevices> MediaDevices::create(Document& document)
{
return adoptRef(*new MediaDevices(document));
}
Document* MediaDevices::document() const
{
return downcast<Document>(scriptExecutionContext());
}
static Ref<MediaConstraintsImpl> createMediaConstraintsImpl(const Variant<bool, MediaTrackConstraints>& constraints)
{
return WTF::switchOn(constraints,
[&] (bool constraints) {
return MediaConstraintsImpl::create({ }, { }, constraints);
},
[&] (const MediaTrackConstraints& constraints) {
return createMediaConstraintsImpl(constraints);
}
);
}
ExceptionOr<void> MediaDevices::getUserMedia(const StreamConstraints& constraints, Promise&& promise) const
{
auto* document = this->document();
if (!document)
return Exception { INVALID_STATE_ERR };
return UserMediaRequest::start(*document, createMediaConstraintsImpl(constraints.audio), createMediaConstraintsImpl(constraints.video), WTFMove(promise));
}
void MediaDevices::enumerateDevices(EnumerateDevicesPromise&& promise) const
{
auto* document = this->document();
if (!document)
return;
MediaDevicesRequest::create(*document, WTFMove(promise))->start();
}
MediaTrackSupportedConstraints MediaDevices::getSupportedConstraints()
{
auto& supported = RealtimeMediaSourceCenter::singleton().supportedConstraints();
MediaTrackSupportedConstraints result;
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;
}
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
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