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/*
* Copyright (C) 2015 Ericsson AB. All rights reserved.
* Copyright (C) 2016 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.
* 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.
*/
#pragma once
#if ENABLE(MEDIA_STREAM)
#include "EventTarget.h"
#include "ExceptionOr.h"
#include "JSDOMPromiseDeferred.h"
#include "MediaTrackConstraints.h"
#include "RealtimeMediaSourceCenter.h"
#include "Timer.h"
#include <wtf/WeakPtr.h>
namespace WebCore {
class Document;
class MediaDeviceInfo;
class MediaStream;
struct MediaTrackSupportedConstraints;
class MediaDevices : public RefCounted<MediaDevices>, public ContextDestructionObserver, public EventTargetWithInlineData {
public:
static Ref<MediaDevices> create(Document&);
~MediaDevices();
Document* document() const;
using Promise = DOMPromiseDeferred<IDLInterface<MediaStream>>;
using EnumerateDevicesPromise = DOMPromiseDeferred<IDLSequence<IDLInterface<MediaDeviceInfo>>>;
enum class DisplayCaptureSurfaceType {
Monitor,
Window,
Application,
Browser,
};
struct StreamConstraints {
Variant<bool, MediaTrackConstraints> video;
Variant<bool, MediaTrackConstraints> audio;
};
ExceptionOr<void> getUserMedia(const StreamConstraints&, Promise&&) const;
ExceptionOr<void> getDisplayMedia(const StreamConstraints&, Promise&&) const;
void enumerateDevices(EnumerateDevicesPromise&&) const;
MediaTrackSupportedConstraints getSupportedConstraints();
using RefCounted<MediaDevices>::ref;
using RefCounted<MediaDevices>::deref;
private:
explicit MediaDevices(Document&);
void scheduledEventTimerFired();
// EventTargetWithInlineData.
EventTargetInterface eventTargetInterface() const override { return MediaDevicesEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return m_scriptExecutionContext; }
void refEventTarget() override { ref(); }
void derefEventTarget() override { deref(); }
WeakPtr<MediaDevices> createWeakPtr() { return m_weakPtrFactory.createWeakPtr(*this); }
Timer m_scheduledEventTimer;
std::optional<RealtimeMediaSourceCenter::DevicesChangedObserverToken> m_deviceChangedToken;
WeakPtrFactory<MediaDevices> m_weakPtrFactory;
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)