michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef ScriptProcessorNode_h_
michael@0: #define ScriptProcessorNode_h_
michael@0: 
michael@0: #include "AudioNode.h"
michael@0: #include "nsAutoPtr.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class AudioContext;
michael@0: class SharedBuffers;
michael@0: 
michael@0: class ScriptProcessorNode : public AudioNode
michael@0: {
michael@0: public:
michael@0:   ScriptProcessorNode(AudioContext* aContext,
michael@0:                       uint32_t aBufferSize,
michael@0:                       uint32_t aNumberOfInputChannels,
michael@0:                       uint32_t aNumberOfOutputChannels);
michael@0:   virtual ~ScriptProcessorNode();
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   IMPL_EVENT_HANDLER(audioprocess)
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void Connect(AudioNode& aDestination, uint32_t aOutput,
michael@0:                        uint32_t aInput, ErrorResult& aRv) MOZ_OVERRIDE
michael@0:   {
michael@0:     AudioNode::Connect(aDestination, aOutput, aInput, aRv);
michael@0:     if (!aRv.Failed()) {
michael@0:       MarkActive();
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   virtual void Connect(AudioParam& aDestination, uint32_t aOutput,
michael@0:                        ErrorResult& aRv) MOZ_OVERRIDE
michael@0:   {
michael@0:     AudioNode::Connect(aDestination, aOutput, aRv);
michael@0:     if (!aRv.Failed()) {
michael@0:       MarkActive();
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   virtual void Disconnect(uint32_t aOutput, ErrorResult& aRv) MOZ_OVERRIDE
michael@0:   {
michael@0:     AudioNode::Disconnect(aOutput, aRv);
michael@0:     if (!aRv.Failed() && OutputNodes().IsEmpty() && OutputParams().IsEmpty()) {
michael@0:       MarkInactive();
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   virtual void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) MOZ_OVERRIDE
michael@0:   {
michael@0:     if (aChannelCount != ChannelCount()) {
michael@0:       aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
michael@0:     }
michael@0:     return;
michael@0:   }
michael@0:   virtual void SetChannelCountModeValue(ChannelCountMode aMode, ErrorResult& aRv) MOZ_OVERRIDE
michael@0:   {
michael@0:     if (aMode != ChannelCountMode::Explicit) {
michael@0:       aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
michael@0:     }
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   uint32_t BufferSize() const
michael@0:   {
michael@0:     return mBufferSize;
michael@0:   }
michael@0: 
michael@0:   SharedBuffers* GetSharedBuffers() const
michael@0:   {
michael@0:     return mSharedBuffers;
michael@0:   }
michael@0: 
michael@0:   uint32_t NumberOfOutputChannels() const
michael@0:   {
michael@0:     return mNumberOfOutputChannels;
michael@0:   }
michael@0: 
michael@0:   using DOMEventTargetHelper::DispatchTrustedEvent;
michael@0: 
michael@0:   virtual const char* NodeType() const
michael@0:   {
michael@0:     return "ScriptProcessorNode";
michael@0:   }
michael@0: 
michael@0:   virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0:   virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:   nsAutoPtr<SharedBuffers> mSharedBuffers;
michael@0:   const uint32_t mBufferSize;
michael@0:   const uint32_t mNumberOfOutputChannels;
michael@0: };
michael@0: 
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif
michael@0: