Implement BaseAudioContext

third_party/WebKit/Source/modules/webaudio/OfflineAudioContext.cpp

 /*
  * Copyright (C) 2012, 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 36 matching lines @@
         return nullptr;
     }
 
     Document* document = toDocument(context);
 
     if (!numberOfFrames) {
         exceptionState.throwDOMException(SyntaxError, "number of frames cannot be zero.");
         return nullptr;
     }
 
-    if (numberOfChannels > AbstractAudioContext::maxNumberOfChannels()) {
+    if (numberOfChannels > BaseAudioContext::maxNumberOfChannels()) {
         exceptionState.throwDOMException(
             IndexSizeError,
             ExceptionMessages::indexOutsideRange<unsigned>(
                 "number of channels",
                 numberOfChannels,
                 0,
                 ExceptionMessages::InclusiveBound,
-                AbstractAudioContext::maxNumberOfChannels(),
+                BaseAudioContext::maxNumberOfChannels(),
                 ExceptionMessages::InclusiveBound));
         return nullptr;
     }
 
     if (!AudioUtilities::isValidAudioBufferSampleRate(sampleRate)) {
         exceptionState.throwDOMException(
             IndexSizeError,
             ExceptionMessages::indexOutsideRange(
                 "sampleRate", sampleRate,
                 AudioUtilities::minAudioBufferSampleRate(), ExceptionMessages::InclusiveBound,
@@ skipping 10 matching lines @@
             + ", " + String::number(numberOfFrames)
             + ", " + String::number(sampleRate)
             + ")");
     }
 
     audioContext->suspendIfNeeded();
     return audioContext;
 }
 
 OfflineAudioContext::OfflineAudioContext(Document* document, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState& exceptionState)
-    : AbstractAudioContext(document, numberOfChannels, numberOfFrames, sampleRate)
+    : BaseAudioContext(document, numberOfChannels, numberOfFrames, sampleRate)
     , m_isRenderingStarted(false)
     , m_totalRenderFrames(numberOfFrames)
 {
     // Create a new destination for offline rendering.
     m_renderTarget = AudioBuffer::create(numberOfChannels, numberOfFrames, sampleRate);
 
     // Throw an exception if the render target is not ready.
     if (m_renderTarget) {
         m_destinationNode = OfflineAudioDestinationNode::create(this, m_renderTarget.get());
     } else {
@@ skipping 10 matching lines @@
 
 OfflineAudioContext::~OfflineAudioContext()
 {
 }
 
 DEFINE_TRACE(OfflineAudioContext)
 {
     visitor->trace(m_renderTarget);
     visitor->trace(m_completeResolver);
     visitor->trace(m_scheduledSuspends);
-    AbstractAudioContext::trace(visitor);
+    BaseAudioContext::trace(visitor);
 }
 
 ScriptPromise OfflineAudioContext::startOfflineRendering(ScriptState* scriptState)
 {
     ASSERT(isMainThread());
 
     // Calling close() on an OfflineAudioContext is not supported/allowed,
     // but it might well have been stopped by its execution context.
     //
     // See: crbug.com/435867
@@ skipping 40 matching lines @@
     return ScriptPromise::rejectWithDOMException(
         scriptState,
         DOMException::create(
             InvalidAccessError,
             "cannot close an OfflineAudioContext."));
 }
 
 ScriptPromise OfflineAudioContext::suspendContext(ScriptState* scriptState)
 {
     // This CANNOT be called on OfflineAudioContext; this is only to implement
-    // the pure virtual interface from AbstractAudioContext.
+    // the pure virtual interface from BaseAudioContext.
     RELEASE_NOTREACHED();
 
     return ScriptPromise();
 }
 
 ScriptPromise OfflineAudioContext::suspendContext(ScriptState* scriptState, double when)
 {
     ASSERT(isMainThread());
 
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
@@ skipping 190 matching lines @@
     // Note that the GraphLock is required before this check. Since this needs
     // to run on the audio thread, OfflineGraphAutoLocker must be used.
     if (m_scheduledSuspends.contains(currentSampleFrame()))
         return true;
 
     return false;
 }
 
 } // namespace blink