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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MediaStreamTrackAudioSourceNode_h_
#define MediaStreamTrackAudioSourceNode_h_
#include "AudioNode.h"
#include "AudioNodeEngine.h"
#include "mozilla/dom/MediaStreamTrack.h"
#include "mozilla/WeakPtr.h"
#include "PrincipalChangeObserver.h"
namespace mozilla::dom {
class AudioContext;
struct MediaStreamTrackAudioSourceOptions;
class MediaStreamTrackAudioSourceNodeEngine final : public AudioNodeEngine {
public:
explicit MediaStreamTrackAudioSourceNodeEngine(AudioNode* aNode)
: AudioNodeEngine(aNode), mEnabled(false) {}
bool IsEnabled() const { return mEnabled; }
enum Parameters { ENABLE };
void SetInt32Parameter(uint32_t aIndex, int32_t aValue) override {
switch (aIndex) {
case ENABLE:
mEnabled = !!aValue;
break;
default:
NS_ERROR("MediaStreamTrackAudioSourceNodeEngine bad parameter index");
}
}
private:
bool mEnabled;
};
class MediaStreamTrackAudioSourceNode
: public AudioNode,
public PrincipalChangeObserver<MediaStreamTrack>,
public SupportsWeakPtr {
public:
static already_AddRefed<MediaStreamTrackAudioSourceNode> Create(
AudioContext& aContext,
const MediaStreamTrackAudioSourceOptions& aOptions, ErrorResult& aRv);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaStreamTrackAudioSourceNode,
AudioNode)
static already_AddRefed<MediaStreamTrackAudioSourceNode> Constructor(
const GlobalObject& aGlobal, AudioContext& aAudioContext,
const MediaStreamTrackAudioSourceOptions& aOptions, ErrorResult& aRv) {
return Create(aAudioContext, aOptions, aRv);
}
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
void DestroyMediaTrack() override;
uint16_t NumberOfInputs() const override { return 0; }
const char* NodeType() const override {
return "MediaStreamTrackAudioSourceNode";
}
virtual const char* CrossOriginErrorString() const {
return "MediaStreamTrackAudioSourceNodeCrossOrigin";
}
size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
// From PrincipalChangeObserver<MediaStreamTrack>.
void PrincipalChanged(MediaStreamTrack* aMediaStreamTrack) override;
protected:
explicit MediaStreamTrackAudioSourceNode(AudioContext* aContext);
void Init(MediaStreamTrack* aMediaStreamTrack, ErrorResult& aRv);
void Destroy();
virtual ~MediaStreamTrackAudioSourceNode();
class TrackListener : public MediaStreamTrackConsumer {
public:
explicit TrackListener(MediaStreamTrackAudioSourceNode* aNode)
: mNode(aNode) {}
void NotifyEnded(MediaStreamTrack* aTrack) override {
if (mNode) {
mNode->MarkInactive();
mNode->DestroyMediaTrack();
mNode = nullptr;
}
}
private:
WeakPtr<MediaStreamTrackAudioSourceNode> mNode;
};
private:
RefPtr<MediaInputPort> mInputPort;
RefPtr<MediaStreamTrack> mInputTrack;
TrackListener mTrackListener;
};
} // namespace mozilla::dom
#endif
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