148 lines
3.9 KiB
C++
148 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ScriptProcessorNode_h_
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#define ScriptProcessorNode_h_
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#include "AudioNode.h"
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namespace mozilla {
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namespace dom {
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class AudioContext;
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class SharedBuffers;
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class ScriptProcessorNode final : public AudioNode
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{
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public:
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ScriptProcessorNode(AudioContext* aContext,
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uint32_t aBufferSize,
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uint32_t aNumberOfInputChannels,
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uint32_t aNumberOfOutputChannels);
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NS_DECL_ISUPPORTS_INHERITED
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IMPL_EVENT_HANDLER(audioprocess)
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void EventListenerAdded(nsIAtom* aType) override;
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void EventListenerRemoved(nsIAtom* aType) override;
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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AudioNode* Connect(AudioNode& aDestination, uint32_t aOutput,
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uint32_t aInput, ErrorResult& aRv) override
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{
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AudioNode* node = AudioNode::Connect(aDestination, aOutput, aInput, aRv);
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if (!aRv.Failed()) {
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UpdateConnectedStatus();
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}
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return node;
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}
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void Connect(AudioParam& aDestination, uint32_t aOutput,
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ErrorResult& aRv) override
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{
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AudioNode::Connect(aDestination, aOutput, aRv);
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if (!aRv.Failed()) {
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UpdateConnectedStatus();
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}
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}
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void Disconnect(ErrorResult& aRv) override
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{
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AudioNode::Disconnect(aRv);
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UpdateConnectedStatus();
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}
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void Disconnect(uint32_t aOutput, ErrorResult& aRv) override
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{
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AudioNode::Disconnect(aOutput, aRv);
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UpdateConnectedStatus();
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}
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void NotifyInputsChanged() override
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{
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UpdateConnectedStatus();
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}
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void NotifyHasPhantomInput() override
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{
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mHasPhantomInput = true;
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// No need to UpdateConnectedStatus() because there was previously an
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// input in InputNodes().
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}
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void Disconnect(AudioNode& aDestination, ErrorResult& aRv) override
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{
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AudioNode::Disconnect(aDestination, aRv);
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UpdateConnectedStatus();
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}
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void Disconnect(AudioNode& aDestination, uint32_t aOutput, ErrorResult& aRv) override
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{
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AudioNode::Disconnect(aDestination, aOutput, aRv);
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UpdateConnectedStatus();
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}
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void Disconnect(AudioNode& aDestination, uint32_t aOutput, uint32_t aInput, ErrorResult& aRv) override
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{
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AudioNode::Disconnect(aDestination, aOutput, aInput, aRv);
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UpdateConnectedStatus();
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}
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void Disconnect(AudioParam& aDestination, ErrorResult& aRv) override
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{
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AudioNode::Disconnect(aDestination, aRv);
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UpdateConnectedStatus();
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}
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void Disconnect(AudioParam& aDestination, uint32_t aOutput, ErrorResult& aRv) override
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{
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AudioNode::Disconnect(aDestination, aOutput, aRv);
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UpdateConnectedStatus();
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}
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void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) override
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{
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if (aChannelCount != ChannelCount()) {
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aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
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}
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return;
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}
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void SetChannelCountModeValue(ChannelCountMode aMode, ErrorResult& aRv) override
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{
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if (aMode != ChannelCountMode::Explicit) {
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aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
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}
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return;
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}
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uint32_t BufferSize() const
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{
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return mBufferSize;
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}
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uint32_t NumberOfOutputChannels() const
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{
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return mNumberOfOutputChannels;
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}
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using DOMEventTargetHelper::DispatchTrustedEvent;
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const char* NodeType() const override
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{
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return "ScriptProcessorNode";
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}
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size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
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size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
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private:
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virtual ~ScriptProcessorNode();
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void UpdateConnectedStatus();
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const uint32_t mBufferSize;
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const uint32_t mNumberOfOutputChannels;
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bool mHasPhantomInput = false;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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