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/* -*- 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 ScriptProcessorNode_h_
#define ScriptProcessorNode_h_
#include "AudioNode.h"
#include "mozilla/ErrorResult.h"
namespace mozilla::dom {
class AudioContext;
class SharedBuffers;
class ScriptProcessorNode final : public AudioNode {
public:
ScriptProcessorNode(AudioContext* aContext, uint32_t aBufferSize,
uint32_t aNumberOfInputChannels,
uint32_t aNumberOfOutputChannels);
NS_INLINE_DECL_REFCOUNTING_INHERITED(ScriptProcessorNode, AudioNode)
IMPL_EVENT_HANDLER(audioprocess)
using EventTarget::EventListenerAdded;
void EventListenerAdded(nsAtom* aType) override;
using EventTarget::EventListenerRemoved;
void EventListenerRemoved(nsAtom* aType) override;
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
AudioNode* Connect(AudioNode& aDestination, uint32_t aOutput, uint32_t aInput,
ErrorResult& aRv) override {
AudioNode* node = AudioNode::Connect(aDestination, aOutput, aInput, aRv);
if (!aRv.Failed()) {
UpdateConnectedStatus();
}
return node;
}
void Connect(AudioParam& aDestination, uint32_t aOutput,
ErrorResult& aRv) override {
AudioNode::Connect(aDestination, aOutput, aRv);
if (!aRv.Failed()) {
UpdateConnectedStatus();
}
}
void Disconnect(ErrorResult& aRv) override {
AudioNode::Disconnect(aRv);
UpdateConnectedStatus();
}
void Disconnect(uint32_t aOutput, ErrorResult& aRv) override {
AudioNode::Disconnect(aOutput, aRv);
UpdateConnectedStatus();
}
void NotifyInputsChanged() override { UpdateConnectedStatus(); }
void NotifyHasPhantomInput() override {
mHasPhantomInput = true;
// No need to UpdateConnectedStatus() because there was previously an
// input in InputNodes().
}
void Disconnect(AudioNode& aDestination, ErrorResult& aRv) override {
AudioNode::Disconnect(aDestination, aRv);
UpdateConnectedStatus();
}
void Disconnect(AudioNode& aDestination, uint32_t aOutput,
ErrorResult& aRv) override {
AudioNode::Disconnect(aDestination, aOutput, aRv);
UpdateConnectedStatus();
}
void Disconnect(AudioNode& aDestination, uint32_t aOutput, uint32_t aInput,
ErrorResult& aRv) override {
AudioNode::Disconnect(aDestination, aOutput, aInput, aRv);
UpdateConnectedStatus();
}
void Disconnect(AudioParam& aDestination, ErrorResult& aRv) override {
AudioNode::Disconnect(aDestination, aRv);
UpdateConnectedStatus();
}
void Disconnect(AudioParam& aDestination, uint32_t aOutput,
ErrorResult& aRv) override {
AudioNode::Disconnect(aDestination, aOutput, aRv);
UpdateConnectedStatus();
}
void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) override {
if (aChannelCount != ChannelCount()) {
// Spec says to throw InvalidStateError, but see
// https://github.com/WebAudio/web-audio-api/issues/2153
aRv.ThrowNotSupportedError(
"Cannot change channel count of ScriptProcessorNode");
}
}
void SetChannelCountModeValue(ChannelCountMode aMode,
ErrorResult& aRv) override {
if (aMode != ChannelCountMode::Explicit) {
// Spec says to throw InvalidStateError, but see
// https://github.com/WebAudio/web-audio-api/issues/2154
aRv.ThrowNotSupportedError(
"Cannot change channel count mode of ScriptProcessorNode");
}
}
uint32_t BufferSize() const { return mBufferSize; }
uint32_t NumberOfOutputChannels() const { return mNumberOfOutputChannels; }
using DOMEventTargetHelper::DispatchTrustedEvent;
const char* NodeType() const override { return "ScriptProcessorNode"; }
size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
private:
virtual ~ScriptProcessorNode();
void UpdateConnectedStatus();
const uint32_t mBufferSize;
const uint32_t mNumberOfOutputChannels;
bool mHasPhantomInput = false;
};
} // namespace mozilla::dom
#endif
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