Revert "Transition modules/** to use ExceptionState"

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 10 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #if ENABLE(WEB_AUDIO)
 
 #include "modules/webaudio/AudioContext.h"
 
-#include "bindings/v8/ExceptionState.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/platform/audio/FFTFrame.h"
 #include "core/platform/audio/HRTFDatabaseLoader.h"
 #include "core/platform/audio/HRTFPanner.h"
 #include "modules/mediastream/MediaStream.h"
 #include "modules/webaudio/AnalyserNode.h"
 #include "modules/webaudio/AsyncAudioDecoder.h"
@@ skipping 240 matching lines @@
         return;
     m_isStopScheduled = true;
 
     // Don't call uninitialize() immediately here because the ScriptExecutionContext 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, ExceptionCode& ec)
 {
     RefPtr<AudioBuffer> audioBuffer = AudioBuffer::create(numberOfChannels, numberOfFrames, sampleRate);
     if (!audioBuffer.get()) {
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return 0;
     }
 
     return audioBuffer;
 }
 
-PassRefPtr<AudioBuffer> AudioContext::createBuffer(ArrayBuffer* arrayBuffer, bool mixToMono, ExceptionState& es)
+PassRefPtr<AudioBuffer> AudioContext::createBuffer(ArrayBuffer* arrayBuffer, bool mixToMono, ExceptionCode& ec)
 {
     ASSERT(arrayBuffer);
     if (!arrayBuffer) {
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return 0;
     }
 
     RefPtr<AudioBuffer> audioBuffer = AudioBuffer::createFromAudioFileData(arrayBuffer->data(), arrayBuffer->byteLength(), mixToMono, sampleRate());
     if (!audioBuffer.get()) {
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         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, ExceptionCode& ec)
 {
     if (!audioData) {
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         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, ExceptionCode& ec)
 {
     ASSERT(mediaElement);
     if (!mediaElement) {
-        es.throwDOMException(InvalidStateError);
+        ec = InvalidStateError;
         return 0;
     }
         
     ASSERT(isMainThread());
     lazyInitialize();
     
     // First check if this media element already has a source node.
     if (mediaElement->audioSourceNode()) {
-        es.throwDOMException(InvalidStateError);
+        ec = InvalidStateError;
         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, ExceptionCode& ec)
 {
     ASSERT(mediaStream);
     if (!mediaStream) {
-        es.throwDOMException(InvalidStateError);
+        ec = InvalidStateError;
         return 0;
     }
 
     ASSERT(isMainThread());
     lazyInitialize();
 
     AudioSourceProvider* provider = 0;
 
     MediaStreamTrackVector audioTracks = mediaStream->getAudioTracks();
 
@@ skipping 17 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(size_t bufferSize, ExceptionState& es)
+PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t bufferSize, ExceptionCode& ec)
 {
     // Set number of input/output channels to stereo by default.
-    return createScriptProcessor(bufferSize, 2, 2, es);
+    return createScriptProcessor(bufferSize, 2, 2, ec);
 }
 
-PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, ExceptionState& es)
+PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, ExceptionCode& ec)
 {
     // Set number of output channels to stereo by default.
-    return createScriptProcessor(bufferSize, numberOfInputChannels, 2, es);
+    return createScriptProcessor(bufferSize, numberOfInputChannels, 2, ec);
 }
 
-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, ExceptionCode& ec)
 {
     ASSERT(isMainThread());
     lazyInitialize();
     RefPtr<ScriptProcessorNode> node = ScriptProcessorNode::create(this, m_destinationNode->sampleRate(), bufferSize, numberOfInputChannels, numberOfOutputChannels);
 
     if (!node.get()) {
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return 0;
     }
 
     refNode(node.get()); // context keeps reference until we stop making javascript rendering callbacks
     return node;
 }
 
 PassRefPtr<BiquadFilterNode> AudioContext::createBiquadFilter()
 {
     ASSERT(isMainThread());
@@ skipping 36 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(ExceptionCode& ec)
 {
     const double defaultMaxDelayTime = 1;
-    return createDelay(defaultMaxDelayTime, es);
+    return createDelay(defaultMaxDelayTime, ec);
 }
 
-PassRefPtr<DelayNode> AudioContext::createDelay(double maxDelayTime, ExceptionState& es)
+PassRefPtr<DelayNode> AudioContext::createDelay(double maxDelayTime, ExceptionCode& ec)
 {
     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, ec);
+    if (ec)
         return 0;
     return node;
 }
 
-PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(ExceptionState& es)
+PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(ExceptionCode& ec)
 {
     const unsigned ChannelSplitterDefaultNumberOfOutputs = 6;
-    return createChannelSplitter(ChannelSplitterDefaultNumberOfOutputs, es);
+    return createChannelSplitter(ChannelSplitterDefaultNumberOfOutputs, ec);
 }
 
-PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(size_t numberOfOutputs, ExceptionState& es)
+PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(size_t numberOfOutputs, ExceptionCode& ec)
 {
     ASSERT(isMainThread());
     lazyInitialize();
 
     RefPtr<ChannelSplitterNode> node = ChannelSplitterNode::create(this, m_destinationNode->sampleRate(), numberOfOutputs);
 
     if (!node.get()) {
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return 0;
     }
 
     return node;
 }
 
-PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(ExceptionState& es)
+PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(ExceptionCode& ec)
 {
     const unsigned ChannelMergerDefaultNumberOfInputs = 6;
-    return createChannelMerger(ChannelMergerDefaultNumberOfInputs, es);
+    return createChannelMerger(ChannelMergerDefaultNumberOfInputs, ec);
 }
 
-PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(size_t numberOfInputs, ExceptionState& es)
+PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(size_t numberOfInputs, ExceptionCode& ec)
 {
     ASSERT(isMainThread());
     lazyInitialize();
 
     RefPtr<ChannelMergerNode> node = ChannelMergerNode::create(this, m_destinationNode->sampleRate(), numberOfInputs);
 
     if (!node.get()) {
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         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, ExceptionCode& ec)
 {
     ASSERT(isMainThread());
     
     if (!real || !imag || (real->length() != imag->length())) {
-        es.throwDOMException(SyntaxError);
+        ec = SyntaxError;
         return 0;
     }
     
     lazyInitialize();
     return PeriodicWave::create(sampleRate(), real, imag);
 }
 
 void AudioContext::notifyNodeFinishedProcessing(AudioNode* node)
 {
     ASSERT(isAudioThread());
@@ skipping 380 matching lines @@
 }
 
 void AudioContext::decrementActiveSourceCount()
 {
     atomicDecrement(&m_activeSourceCount);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)