gecko-dev/dom/media/webaudio/MediaElementAudioSourceNode.h

70 строки
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 MediaElementAudioSourceNode_h_
#define MediaElementAudioSourceNode_h_
#include "MediaStreamAudioSourceNode.h"
namespace mozilla {
namespace dom {
class AudioContext;
struct MediaElementAudioSourceOptions;
class MediaElementAudioSourceNode final : public MediaStreamAudioSourceNode {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaElementAudioSourceNode,
MediaStreamAudioSourceNode)
static already_AddRefed<MediaElementAudioSourceNode> Create(
AudioContext& aAudioContext,
const MediaElementAudioSourceOptions& aOptions, ErrorResult& aRv);
static already_AddRefed<MediaElementAudioSourceNode> Constructor(
const GlobalObject& aGlobal, AudioContext& aAudioContext,
const MediaElementAudioSourceOptions& aOptions, ErrorResult& aRv) {
return Create(aAudioContext, aOptions, aRv);
}
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
const char* NodeType() const override {
return "MediaElementAudioSourceNode";
}
const char* CrossOriginErrorString() const override {
return "MediaElementAudioSourceNodeCrossOrigin";
}
size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override {
return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
}
HTMLMediaElement* MediaElement();
private:
explicit MediaElementAudioSourceNode(AudioContext* aContext,
HTMLMediaElement* aElement);
~MediaElementAudioSourceNode() = default;
void Destroy() override;
// If AudioContext was not allowed to start, we would try to start it when
// source starts.
void ListenForAllowedToPlay(const MediaElementAudioSourceOptions& aOptions);
MozPromiseRequestHolder<GenericNonExclusivePromise> mAllowedToPlayRequest;
RefPtr<HTMLMediaElement> mElement;
};
} // namespace dom
} // namespace mozilla
#endif