Rename es => exceptionState in other than bindings/

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 = 4;
 unsigned AudioContext::s_hardwareContextCount = 0;
 
-PassRefPtr<AudioContext> AudioContext::create(Document& document, ExceptionState& es)
+PassRefPtr<AudioContext> AudioContext::create(Document& document, ExceptionState& exceptionState)
 {
     ASSERT(isMainThread());
     if (s_hardwareContextCount >= MaxHardwareContexts) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             SyntaxError,
             ExceptionMessages::failedToConstruct(
                 "AudioContext",
                 "number of hardware contexts reached maximum (" + String::number(MaxHardwareContexts) + ")."));
         return 0;
     }
 
     RefPtr<AudioContext> audioContext(adoptRef(new AudioContext(&document)));
     audioContext->suspendIfNeeded();
     return audioContext.release();
 }
 
-PassRefPtr<AudioContext> AudioContext::create(Document& document, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState& es)
+PassRefPtr<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, es);
+    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)
     , m_isAudioThreadFinished(false)
     , m_destinationNode(0)
     , m_isDeletionScheduled(false)
@@ skipping 166 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& es)
+PassRefPtr<AudioBuffer> AudioContext::createBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState& exceptionState)
 {
     RefPtr<AudioBuffer> audioBuffer = AudioBuffer::create(numberOfChannels, numberOfFrames, sampleRate);
     if (!audioBuffer.get()) {
         if (numberOfChannels > AudioContext::maxNumberOfChannels()) {
-            es.throwDOMException(
+            exceptionState.throwDOMException(
                 NotSupportedError,
                 ExceptionMessages::failedToConstruct(
                     "AudioBuffer",
                     "requested number of channels (" + String::number(numberOfChannels) + ") exceeds maximum (" + String::number(AudioContext::maxNumberOfChannels()) + ")"));
         } else if (sampleRate < AudioBuffer::minAllowedSampleRate() || sampleRate > AudioBuffer::maxAllowedSampleRate()) {
-            es.throwDOMException(
+            exceptionState.throwDOMException(
                 NotSupportedError,
                 ExceptionMessages::failedToConstruct(
                     "AudioBuffer",
                     "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) {
-            es.throwDOMException(
+            exceptionState.throwDOMException(
                 NotSupportedError,
                 ExceptionMessages::failedToConstruct(
                     "AudioBuffer",
                     "number of frames must be greater than 0."));
         } else {
-            es.throwDOMException(
+            exceptionState.throwDOMException(
                 NotSupportedError,
                 ExceptionMessages::failedToConstruct(
                     "AudioBuffer",
                     "unable to create buffer of " + String::number(numberOfChannels)
                     + " channel(s) of " + String::number(numberOfFrames)
                     + " frames each."));
         }
         return 0;
     }
 
     return audioBuffer;
 }
 
-PassRefPtr<AudioBuffer> AudioContext::createBuffer(ArrayBuffer* arrayBuffer, bool mixToMono, ExceptionState& es)
+PassRefPtr<AudioBuffer> AudioContext::createBuffer(ArrayBuffer* arrayBuffer, bool mixToMono, ExceptionState& exceptionState)
 {
     ASSERT(arrayBuffer);
     if (!arrayBuffer) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             SyntaxError,
             ExceptionMessages::failedToConstruct(
                 "AudioBuffer",
                 "invalid ArrayBuffer."));
         return 0;
     }
 
     RefPtr<AudioBuffer> audioBuffer = AudioBuffer::createFromAudioFileData(arrayBuffer->data(), arrayBuffer->byteLength(), mixToMono, sampleRate());
     if (!audioBuffer.get()) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             SyntaxError,
             ExceptionMessages::failedToConstruct(
                 "AudioBuffer",
                 "invalid audio data in ArrayBuffer."));
         return 0;
     }
 
     return audioBuffer;
 }
 
-void AudioContext::decodeAudioData(ArrayBuffer* audioData, PassRefPtr<AudioBufferCallback> successCallback, PassRefPtr<AudioBufferCallback> errorCallback, ExceptionState& es)
+void AudioContext::decodeAudioData(ArrayBuffer* audioData, PassRefPtr<AudioBufferCallback> successCallback, PassRefPtr<AudioBufferCallback> errorCallback, ExceptionState& exceptionState)
 {
     if (!audioData) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             SyntaxError,
             ExceptionMessages::failedToExecute(
                 "decodeAudioData",
                 "AudioContext",
                 "invalid ArrayBuffer for audioData."));
         return;
     }
     m_audioDecoder.decodeAsync(audioData, sampleRate(), successCallback, errorCallback);
 }
 
 PassRefPtr<AudioBufferSourceNode> AudioContext::createBufferSource()
 {
     ASSERT(isMainThread());
     lazyInitialize();
     RefPtr<AudioBufferSourceNode> node = AudioBufferSourceNode::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<MediaElementAudioSourceNode> AudioContext::createMediaElementSource(HTMLMediaElement* mediaElement, ExceptionState& es)
+PassRefPtr<MediaElementAudioSourceNode> AudioContext::createMediaElementSource(HTMLMediaElement* mediaElement, ExceptionState& exceptionState)
 {
     if (!mediaElement) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             InvalidStateError,
             ExceptionMessages::failedToConstruct(
                 "MediaElementAudioSourceNode",
                 "invalid HTMLMedialElement."));
         return 0;
     }
 
     ASSERT(isMainThread());
     lazyInitialize();
 
     // First check if this media element already has a source node.
     if (mediaElement->audioSourceNode()) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             InvalidStateError,
             ExceptionMessages::failedToConstruct(
                 "MediaElementAudioSourceNode",
                 "invalid HTMLMediaElement."));
         return 0;
     }
 
     RefPtr<MediaElementAudioSourceNode> node = MediaElementAudioSourceNode::create(this, mediaElement);
 
     mediaElement->setAudioSourceNode(node.get());
 
     refNode(node.get()); // context keeps reference until node is disconnected
     return node;
 }
 
-PassRefPtr<MediaStreamAudioSourceNode> AudioContext::createMediaStreamSource(MediaStream* mediaStream, ExceptionState& es)
+PassRefPtr<MediaStreamAudioSourceNode> AudioContext::createMediaStreamSource(MediaStream* mediaStream, ExceptionState& exceptionState)
 {
     if (!mediaStream) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             InvalidStateError,
             ExceptionMessages::failedToConstruct(
                 "MediaStreamAudioSourceNode",
                 "invalid MediaStream source"));
         return 0;
     }
 
     ASSERT(isMainThread());
     lazyInitialize();
 
@@ skipping 19 matching lines @@
     return node;
 }
 
 PassRefPtr<MediaStreamAudioDestinationNode> AudioContext::createMediaStreamDestination()
 {
     // FIXME: Add support for an optional argument which specifies the number of channels.
     // FIXME: The default should probably be stereo instead of mono.
     return MediaStreamAudioDestinationNode::create(this, 1);
 }
 
-PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(ExceptionState& es)
+PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(ExceptionState& exceptionState)
 {
     // Set number of input/output channels to stereo by default.
-    return createScriptProcessor(0, 2, 2, es);
+    return createScriptProcessor(0, 2, 2, exceptionState);
 }
 
-PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t bufferSize, ExceptionState& es)
+PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t bufferSize, ExceptionState& exceptionState)
 {
     // Set number of input/output channels to stereo by default.
-    return createScriptProcessor(bufferSize, 2, 2, es);
+    return createScriptProcessor(bufferSize, 2, 2, exceptionState);
 }
 
-PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, ExceptionState& es)
+PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, ExceptionState& exceptionState)
 {
     // Set number of output channels to stereo by default.
-    return createScriptProcessor(bufferSize, numberOfInputChannels, 2, es);
+    return createScriptProcessor(bufferSize, numberOfInputChannels, 2, exceptionState);
 }
 
-PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, size_t numberOfOutputChannels, ExceptionState& es)
+PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, size_t numberOfOutputChannels, ExceptionState& exceptionState)
 {
     ASSERT(isMainThread());
     lazyInitialize();
     RefPtr<ScriptProcessorNode> node = ScriptProcessorNode::create(this, m_destinationNode->sampleRate(), bufferSize, numberOfInputChannels, numberOfOutputChannels);
 
     if (!node.get()) {
         if (!numberOfInputChannels && !numberOfOutputChannels) {
-            es.throwDOMException(
+            exceptionState.throwDOMException(
                 IndexSizeError,
                 ExceptionMessages::failedToConstruct(
                     "ScriptProcessorNode",
                     "number of input channels and output channels cannot both be zero."));
         } else if (numberOfInputChannels > AudioContext::maxNumberOfChannels()) {
-            es.throwDOMException(
+            exceptionState.throwDOMException(
                 IndexSizeError,
                 ExceptionMessages::failedToConstruct(
                     "ScriptProcessorNode",
                     "number of input channels (" + String::number(numberOfInputChannels)
                     + ") exceeds maximum ("
                     + String::number(AudioContext::maxNumberOfChannels()) + ")."));
         } else if (numberOfOutputChannels > AudioContext::maxNumberOfChannels()) {
-            es.throwDOMException(
+            exceptionState.throwDOMException(
                 IndexSizeError,
                 ExceptionMessages::failedToConstruct(
                     "ScriptProcessorNode",
                     "number of output channels (" + String::number(numberOfInputChannels)
                     + ") exceeds maximum ("
                     + String::number(AudioContext::maxNumberOfChannels()) + ")."));
         } else {
-            es.throwDOMException(
+            exceptionState.throwDOMException(
                 IndexSizeError,
                 ExceptionMessages::failedToConstruct(
                     "ScriptProcessorNode",
                     "buffer size (" + String::number(bufferSize)
                     + ") must be a power of two between 256 and 16384."));
         }
         return 0;
     }
 
     refNode(node.get()); // context keeps reference until we stop making javascript rendering callbacks
@@ skipping 42 matching lines @@
     return AnalyserNode::create(this, m_destinationNode->sampleRate());
 }
 
 PassRefPtr<GainNode> AudioContext::createGain()
 {
     ASSERT(isMainThread());
     lazyInitialize();
     return GainNode::create(this, m_destinationNode->sampleRate());
 }
 
-PassRefPtr<DelayNode> AudioContext::createDelay(ExceptionState& es)
+PassRefPtr<DelayNode> AudioContext::createDelay(ExceptionState& exceptionState)
 {
     const double defaultMaxDelayTime = 1;
-    return createDelay(defaultMaxDelayTime, es);
+    return createDelay(defaultMaxDelayTime, exceptionState);
 }
 
-PassRefPtr<DelayNode> AudioContext::createDelay(double maxDelayTime, ExceptionState& es)
+PassRefPtr<DelayNode> AudioContext::createDelay(double maxDelayTime, ExceptionState& exceptionState)
 {
     ASSERT(isMainThread());
     lazyInitialize();
-    RefPtr<DelayNode> node = DelayNode::create(this, m_destinationNode->sampleRate(), maxDelayTime, es);
-    if (es.hadException())
+    RefPtr<DelayNode> node = DelayNode::create(this, m_destinationNode->sampleRate(), maxDelayTime, exceptionState);
+    if (exceptionState.hadException())
         return 0;
     return node;
 }
 
-PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(ExceptionState& es)
+PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(ExceptionState& exceptionState)
 {
     const unsigned ChannelSplitterDefaultNumberOfOutputs = 6;
-    return createChannelSplitter(ChannelSplitterDefaultNumberOfOutputs, es);
+    return createChannelSplitter(ChannelSplitterDefaultNumberOfOutputs, exceptionState);
 }
 
-PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(size_t numberOfOutputs, ExceptionState& es)
+PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(size_t numberOfOutputs, ExceptionState& exceptionState)
 {
     ASSERT(isMainThread());
     lazyInitialize();
 
     RefPtr<ChannelSplitterNode> node = ChannelSplitterNode::create(this, m_destinationNode->sampleRate(), numberOfOutputs);
 
     if (!node.get()) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             IndexSizeError,
             ExceptionMessages::failedToConstruct(
                 "ChannelSplitterNode",
                 "number of outputs (" + String::number(numberOfOutputs)
                 + ") must be between 1 and "
                 + String::number(AudioContext::maxNumberOfChannels()) + "."));
         return 0;
     }
 
     return node;
 }
 
-PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(ExceptionState& es)
+PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(ExceptionState& exceptionState)
 {
     const unsigned ChannelMergerDefaultNumberOfInputs = 6;
-    return createChannelMerger(ChannelMergerDefaultNumberOfInputs, es);
+    return createChannelMerger(ChannelMergerDefaultNumberOfInputs, exceptionState);
 }
 
-PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(size_t numberOfInputs, ExceptionState& es)
+PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(size_t numberOfInputs, ExceptionState& exceptionState)
 {
     ASSERT(isMainThread());
     lazyInitialize();
 
     RefPtr<ChannelMergerNode> node = ChannelMergerNode::create(this, m_destinationNode->sampleRate(), numberOfInputs);
 
     if (!node.get()) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             IndexSizeError,
             ExceptionMessages::failedToConstruct(
                 "ChannelMergerNode",
                 "number of inputs (" + String::number(numberOfInputs)
                 + ") must be between 1 and "
                 + String::number(AudioContext::maxNumberOfChannels()) + "."));
         return 0;
     }
 
     return node;
 }
 
 PassRefPtr<OscillatorNode> AudioContext::createOscillator()
 {
     ASSERT(isMainThread());
     lazyInitialize();
 
     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& es)
+PassRefPtr<PeriodicWave> AudioContext::createPeriodicWave(Float32Array* real, Float32Array* imag, ExceptionState& exceptionState)
 {
     ASSERT(isMainThread());
 
     if (!real) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             SyntaxError,
             ExceptionMessages::failedToConstruct(
                 "PeriodicWave",
                 "invalid real array"));
         return 0;
     }
 
     if (!imag) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             SyntaxError,
             ExceptionMessages::failedToConstruct(
                 "PeriodicWave",
                 "invalid imaginary array"));
         return 0;
     }
 
     if (real->length() != imag->length()) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             IndexSizeError,
             ExceptionMessages::failedToConstruct(
                 "PeriodicWave",
                 "length of real array (" + String::number(real->length())
                 + ") and length of imaginary array (" +  String::number(imag->length())
                 + ") must match."));
         return 0;
     }
 
     if (real->length() > 4096) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             IndexSizeError,
             ExceptionMessages::failedToConstruct(
                 "PeriodicWave",
                 "length of real array (" + String::number(real->length())
                 + ") exceeds allowed maximum of 4096"));
         return 0;
     }
 
     if (imag->length() > 4096) {
-        es.throwDOMException(
+        exceptionState.throwDOMException(
             IndexSizeError,
             ExceptionMessages::failedToConstruct(
                 "PeriodicWave",
                 "length of imaginary array (" + String::number(imag->length())
                 + ") exceeds allowed maximum of 4096"));
         return 0;
     }
 
     lazyInitialize();
     return PeriodicWave::create(sampleRate(), real, imag);
@@ skipping 385 matching lines @@
 }
 
 void AudioContext::decrementActiveSourceCount()
 {
     atomicDecrement(&m_activeSourceCount);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)