Move webaudio to oilpan

Source/modules/webaudio/AudioContext.cpp

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 71 matching lines @@
 {
     // FIXME: It would be nice if the minimum sample-rate could be less than 44.1KHz,
     // but that will require some fixes in HRTFPanner::fftSizeForSampleRate(), and some testing there.
     return sampleRate >= 44100 && sampleRate <= 96000;
 }
 
 // Don't allow more than this number of simultaneous AudioContexts talking to hardware.
 const unsigned MaxHardwareContexts = 6;
 unsigned AudioContext::s_hardwareContextCount = 0;
 
-PassRefPtr<AudioContext> AudioContext::create(Document& document, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<AudioContext> AudioContext::create(Document& document, ExceptionState& exceptionState)
 {
     ASSERT(isMainThread());
     if (s_hardwareContextCount >= MaxHardwareContexts) {
         exceptionState.throwDOMException(
             SyntaxError,
             "number of hardware contexts reached maximum (" + String::number(MaxHardwareContexts) + ").");
         return nullptr;
     }
 
-    RefPtr<AudioContext> audioContext(adoptRef(new AudioContext(&document)));
+    RefPtrWillBeRawPtr<AudioContext> audioContext(adoptRefWillBeRefCountedGarbageCollected(new AudioContext(&document)));
     audioContext->suspendIfNeeded();
     return audioContext.release();
 }
 
-PassRefPtr<AudioContext> AudioContext::create(Document& document, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<AudioContext> AudioContext::create(Document& document, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState& exceptionState)
 {
     document.addConsoleMessage(JSMessageSource, WarningMessageLevel, "Deprecated AudioContext constructor: use OfflineAudioContext instead");
     return OfflineAudioContext::create(&document, numberOfChannels, numberOfFrames, sampleRate, exceptionState);
 }
 
 // Constructor for rendering to the audio hardware.
 AudioContext::AudioContext(Document* document)
     : ActiveDOMObject(document)
     , m_isStopScheduled(false)
     , m_isInitialized(false)
@@ skipping 151 matching lines @@
         return;
     m_isStopScheduled = true;
 
     // Don't call uninitialize() immediately here because the ExecutionContext is in the middle
     // of dealing with all of its ActiveDOMObjects at this point. uninitialize() can de-reference other
     // ActiveDOMObjects so let's schedule uninitialize() to be called later.
     // FIXME: see if there's a more direct way to handle this issue.
     callOnMainThread(stopDispatch, this);
 }
 
-PassRefPtr<AudioBuffer> AudioContext::createBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<AudioBuffer> AudioContext::createBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState& exceptionState)
 {
-    RefPtr<AudioBuffer> audioBuffer = AudioBuffer::create(numberOfChannels, numberOfFrames, sampleRate);
+    RefPtrWillBeRawPtr<AudioBuffer> audioBuffer = AudioBuffer::create(numberOfChannels, numberOfFrames, sampleRate);
     if (!audioBuffer.get()) {
         if (numberOfChannels > AudioContext::maxNumberOfChannels()) {
             exceptionState.throwDOMException(
                 NotSupportedError,
                 "requested number of channels (" + String::number(numberOfChannels) + ") exceeds maximum (" + String::number(AudioContext::maxNumberOfChannels()) + ")");
         } else if (sampleRate < AudioBuffer::minAllowedSampleRate() || sampleRate > AudioBuffer::maxAllowedSampleRate()) {
             exceptionState.throwDOMException(
                 NotSupportedError,
                 "requested sample rate (" + String::number(sampleRate)
                 + ") does not lie in the allowed range of "
                 + String::number(AudioBuffer::minAllowedSampleRate())
                 + "-" + String::number(AudioBuffer::maxAllowedSampleRate()) + " Hz");
         } else if (!numberOfFrames) {
             exceptionState.throwDOMException(
                 NotSupportedError,
                 "number of frames must be greater than 0.");
         } else {
             exceptionState.throwDOMException(
                 NotSupportedError,
                 "unable to create buffer of " + String::number(numberOfChannels)
                 + " channel(s) of " + String::number(numberOfFrames)
                 + " frames each.");
         }
         return nullptr;
     }
 
     return audioBuffer;
 }
 
-PassRefPtr<AudioBuffer> AudioContext::createBuffer(ArrayBuffer* arrayBuffer, bool mixToMono, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<AudioBuffer> AudioContext::createBuffer(ArrayBuffer* arrayBuffer, bool mixToMono, ExceptionState& exceptionState)
 {
     ASSERT(arrayBuffer);
     if (!arrayBuffer) {
         exceptionState.throwDOMException(
             SyntaxError,
             "invalid ArrayBuffer.");
         return nullptr;
     }
 
-    RefPtr<AudioBuffer> audioBuffer = AudioBuffer::createFromAudioFileData(arrayBuffer->data(), arrayBuffer->byteLength(), mixToMono, sampleRate());
+    RefPtrWillBeRawPtr<AudioBuffer> audioBuffer = AudioBuffer::createFromAudioFileData(arrayBuffer->data(), arrayBuffer->byteLength(), mixToMono, sampleRate());
     if (!audioBuffer.get()) {
         exceptionState.throwDOMException(
             SyntaxError,
             "invalid audio data in ArrayBuffer.");
         return nullptr;
     }
 
     return audioBuffer;
 }
 
@@ skipping 267 matching lines @@
 
     RefPtr<OscillatorNode> node = OscillatorNode::create(this, m_destinationNode->sampleRate());
 
     // Because this is an AudioScheduledSourceNode, the context keeps a reference until it has finished playing.
     // When this happens, AudioScheduledSourceNode::finish() calls AudioContext::notifyNodeFinishedProcessing().
     refNode(node.get());
 
     return node;
 }
 
-PassRefPtr<PeriodicWave> AudioContext::createPeriodicWave(Float32Array* real, Float32Array* imag, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<PeriodicWave> AudioContext::createPeriodicWave(Float32Array* real, Float32Array* imag, ExceptionState& exceptionState)
 {
     ASSERT(isMainThread());
 
     if (!real) {
         exceptionState.throwDOMException(
             SyntaxError,
             "invalid real array");
         return nullptr;
     }
 
@@ skipping 416 matching lines @@
 void AudioContext::incrementActiveSourceCount()
 {
     atomicIncrement(&m_activeSourceCount);
 }
 
 void AudioContext::decrementActiveSourceCount()
 {
     atomicDecrement(&m_activeSourceCount);
 }
 
+void AudioContext::trace(Visitor* visitor)
+{
+    visitor->trace(m_renderTarget);
+    visitor->trace(m_listener);
+}
+
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)