/* -*- 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