Get rid of custom bindings for AudioContext's constructor

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 40 matching lines @@
 #include "modules/webaudio/ChannelSplitterNode.h"
 #include "modules/webaudio/ConvolverNode.h"
 #include "modules/webaudio/DefaultAudioDestinationNode.h"
 #include "modules/webaudio/DelayNode.h"
 #include "modules/webaudio/DynamicsCompressorNode.h"
 #include "modules/webaudio/GainNode.h"
 #include "modules/webaudio/MediaElementAudioSourceNode.h"
 #include "modules/webaudio/MediaStreamAudioDestinationNode.h"
 #include "modules/webaudio/MediaStreamAudioSourceNode.h"
 #include "modules/webaudio/OfflineAudioCompletionEvent.h"
+#include "modules/webaudio/OfflineAudioContext.h"
 #include "modules/webaudio/OfflineAudioDestinationNode.h"
 #include "modules/webaudio/OscillatorNode.h"
 #include "modules/webaudio/PannerNode.h"
 #include "modules/webaudio/PeriodicWave.h"
 #include "modules/webaudio/ScriptProcessorNode.h"
 #include "modules/webaudio/WaveShaperNode.h"
 
 #if DEBUG_AUDIONODE_REFERENCES
 #include <stdio.h>
 #endif
@@ skipping 17 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)
+PassRefPtr<AudioContext> AudioContext::create(Document& document, ExceptionState& es)
 {
-    ASSERT(document);
     ASSERT(isMainThread());
-    if (s_hardwareContextCount >= MaxHardwareContexts)
+    if (s_hardwareContextCount >= MaxHardwareContexts) {
+        es.throwDOMException(
+            SyntaxError,
+            ExceptionMessages::failedToConstruct(
+                "AudioContext",
+                "number of hardware contexts reached maximum (" + String::number(MaxHardwareContexts) + ")."));
         return 0;
+    }
 
-    RefPtr<AudioContext> audioContext(adoptRef(new AudioContext(document)));
+    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)
+{
+    document.addConsoleMessage(JSMessageSource, WarningMessageLevel, "Deprecated AudioContext constructor: use OfflineAudioContext instead");
+    return OfflineAudioContext::create(&document, numberOfChannels, numberOfFrames, sampleRate, es);
+}
+
 // 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)
     , m_automaticPullNodesNeedUpdating(false)
     , m_connectionCount(0)
@@ skipping 977 matching lines @@
 }
 
 void AudioContext::decrementActiveSourceCount()
 {
     atomicDecrement(&m_activeSourceCount);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)