gecko-dev/content/media/webaudio/ScriptProcessorNode.h
Karl Tomlinson a6c6d85ac8 b=914033 use AudioContext::RegisterActiveNode() in ScriptProcessorNode r=ehsan
Storing references on the AudioContext instead of on the AudioNodes will allow
the AudioContext to report them to the cycle collector until offline rendering
starts.

--HG--
extra : transplant_source : %CD%5Els2%7F/%DD%5E%07%08%FE%29%5B%98%95%F3%11G%E6
2013-09-24 13:46:30 +12:00

104 lines
2.5 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 ScriptProcessorNode_h_
#define ScriptProcessorNode_h_
#include "AudioNode.h"
#include "nsAutoPtr.h"
namespace mozilla {
namespace dom {
class AudioContext;
class SharedBuffers;
class ScriptProcessorNode : public AudioNode
{
public:
ScriptProcessorNode(AudioContext* aContext,
uint32_t aBufferSize,
uint32_t aNumberOfInputChannels,
uint32_t aNumberOfOutputChannels);
virtual ~ScriptProcessorNode();
NS_DECL_ISUPPORTS_INHERITED
IMPL_EVENT_HANDLER(audioprocess)
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
virtual void Connect(AudioNode& aDestination, uint32_t aOutput,
uint32_t aInput, ErrorResult& aRv) MOZ_OVERRIDE
{
AudioNode::Connect(aDestination, aOutput, aInput, aRv);
if (!aRv.Failed()) {
MarkActive();
}
}
virtual void Connect(AudioParam& aDestination, uint32_t aOutput,
ErrorResult& aRv) MOZ_OVERRIDE
{
AudioNode::Connect(aDestination, aOutput, aRv);
if (!aRv.Failed()) {
MarkActive();
}
}
virtual void Disconnect(uint32_t aOutput, ErrorResult& aRv) MOZ_OVERRIDE
{
AudioNode::Disconnect(aOutput, aRv);
if (!aRv.Failed() && OutputNodes().IsEmpty() && OutputParams().IsEmpty()) {
MarkInactive();
}
}
virtual void SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv) MOZ_OVERRIDE
{
if (aChannelCount != ChannelCount()) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
}
return;
}
virtual void SetChannelCountModeValue(ChannelCountMode aMode, ErrorResult& aRv) MOZ_OVERRIDE
{
if (aMode != ChannelCountMode::Explicit) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
}
return;
}
uint32_t BufferSize() const
{
return mBufferSize;
}
SharedBuffers* GetSharedBuffers() const
{
return mSharedBuffers;
}
uint32_t NumberOfOutputChannels() const
{
return mNumberOfOutputChannels;
}
using nsDOMEventTargetHelper::DispatchTrustedEvent;
private:
nsAutoPtr<SharedBuffers> mSharedBuffers;
const uint32_t mBufferSize;
const uint32_t mNumberOfOutputChannels;
};
}
}
#endif