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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_MEDIASTREAM_TRANSFERRED_MEDIA_STREAM_COMPONENT_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_MEDIASTREAM_TRANSFERRED_MEDIA_STREAM_COMPONENT_H_
#include "base/memory/raw_ptr.h"
#include "third_party/blink/public/platform/modules/mediastream/web_media_stream_track.h"
#include "third_party/blink/renderer/platform/audio/audio_source_provider.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_component.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_track_platform.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class MediaStreamSource;
class WebLocalFrame;
class PLATFORM_EXPORT TransferredMediaStreamComponent final
: public GarbageCollected<TransferredMediaStreamComponent>,
public MediaStreamComponent {
public:
// For carrying deserialized data to the TransferredMediaStreamComponent
// constructor.
struct TransferredValues {
String id;
};
explicit TransferredMediaStreamComponent(const TransferredValues& data);
TransferredMediaStreamComponent(const TransferredMediaStreamComponent&) =
delete;
TransferredMediaStreamComponent& operator=(
const TransferredMediaStreamComponent&) = delete;
void SetImplementation(MediaStreamComponent* component);
MediaStreamComponent* Clone() const override;
MediaStreamSource* Source() const override;
String Id() const override;
int UniqueId() const override;
MediaStreamSource::StreamType GetSourceType() const override;
const String& GetSourceName() const override;
MediaStreamSource::ReadyState GetReadyState() const override;
bool Remote() const override;
bool Enabled() const override;
void SetEnabled(bool enabled) override;
WebMediaStreamTrack::ContentHintType ContentHint() override;
void SetContentHint(WebMediaStreamTrack::ContentHintType) override;
MediaStreamTrackPlatform* GetPlatformTrack() const override;
void GetSettings(MediaStreamTrackPlatform::Settings&) override;
MediaStreamTrackPlatform::CaptureHandle GetCaptureHandle() override;
WebLocalFrame* CreationFrame() override;
void SetCreationFrameGetter(
base::RepeatingCallback<WebLocalFrame*()>) override;
void AddSourceObserver(MediaStreamSource::Observer* observer) override;
void AddSink(WebMediaStreamAudioSink* sink) override;
void AddSink(WebMediaStreamSink* sink,
const VideoCaptureDeliverFrameCB& callback,
MediaStreamVideoSink::IsSecure is_secure,
MediaStreamVideoSink::UsesAlpha uses_alpha) override;
String ToString() const override;
void Trace(Visitor*) const override;
private:
struct AddSinkArgs {
raw_ptr<WebMediaStreamSink> sink;
VideoCaptureDeliverFrameCB callback;
MediaStreamVideoSink::IsSecure is_secure;
MediaStreamVideoSink::UsesAlpha uses_alpha;
};
Member<MediaStreamComponent> component_;
TransferredValues data_;
HeapVector<Member<MediaStreamSource::Observer>> observers_;
Vector<AddSinkArgs> add_video_sink_calls_;
Vector<WebMediaStreamAudioSink*> add_audio_sink_calls_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_MEDIASTREAM_TRANSFERRED_MEDIA_STREAM_COMPONENT_H_
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