Implement BaseAudioContext

third_party/WebKit/Source/modules/webaudio/AudioContext.idl

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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-enum AudioContextState {
-    "suspended",
-    "running",
-    "closed"
-};
-
 [
     ActiveScriptWrappable,
     Constructor,
     ConstructorCallWith=Document,
     DependentLifetime,
-    ImplementedAs=BaseAudioContext,
     NoInterfaceObject,
     RaisesException=Constructor,
-] interface AudioContext : EventTarget {
-    // All rendered audio ultimately connects to destination, which represents the audio hardware.
-    readonly attribute AudioDestinationNode destination;
-
-    // All scheduled times are relative to this time in seconds.
-    readonly attribute double currentTime;
-
-    // All AudioNodes in the context run at this sample-rate (sample-frames per second).
-    readonly attribute float sampleRate;
-
-    // All panning is relative to this listener.
-    readonly attribute AudioListener listener;
-
-    // Current state of the AudioContext
-    readonly attribute AudioContextState state;
-
-    [RaisesException] AudioBuffer createBuffer(unsigned long numberOfChannels, unsigned long numberOfFrames, float sampleRate);
-
-    // Asynchronous audio file data decoding.
-    [RaisesException, MeasureAs=AudioContextDecodeAudioData, CallWith=ScriptState] Promise<AudioBuffer> decodeAudioData(ArrayBuffer audioData, optional AudioBufferCallback successCallback, optional AudioBufferCallback errorCallback);
-
+] interface AudioContext : BaseAudioContext {
     // Sources
-    [RaisesException, MeasureAs=AudioContextCreateBufferSource] AudioBufferSourceNode createBufferSource();
-
-    [RaisesException, MeasureAs=AudioContextCreateMediaElementSource] MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
-
-    [RaisesException, MeasureAs=AudioContextCreateMediaStreamSource] MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
-    [RaisesException, MeasureAs=AudioContextCreateMediaStreamDestination] MediaStreamAudioDestinationNode createMediaStreamDestination();
-
-    // Processing nodes
-    [RaisesException, MeasureAs=AudioContextCreateGain] GainNode createGain();
-    [RaisesException, MeasureAs=AudioContextCreateDelay] DelayNode createDelay(optional double maxDelayTime);
-    [RaisesException, MeasureAs=AudioContextCreateBiquadFilter] BiquadFilterNode createBiquadFilter();
-    [RaisesException, MeasureAs=AudioContextCreateIIRFilter] IIRFilterNode createIIRFilter(sequence<double> feedForward, sequence<double> feedBack);
-    [RaisesException, MeasureAs=AudioContextCreateWaveShaper] WaveShaperNode createWaveShaper();
-    [RaisesException, MeasureAs=AudioContextCreatePannerAutomated] PannerNode createPanner();
-    [RaisesException, MeasureAs=AudioContextCreateConvolver] ConvolverNode createConvolver();
-    [RaisesException, MeasureAs=AudioContextCreateDynamicsCompressor] DynamicsCompressorNode createDynamicsCompressor();
-    [RaisesException, MeasureAs=AudioContextCreateAnalyser] AnalyserNode createAnalyser();
-    [RaisesException, MeasureAs=AudioContextCreateScriptProcessor] ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize, optional unsigned long numberOfInputChannels, optional unsigned long numberOfOutputChannels);
-    [RaisesException, MeasureAs=AudioContextCreateStereoPanner] StereoPannerNode createStereoPanner();
-    [RaisesException, MeasureAs=AudioContextCreateOscillator] OscillatorNode createOscillator();
-    [RaisesException, MeasureAs=AudioContextCreatePeriodicWave] PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag, optional PeriodicWaveConstraints options);
-
-    // Channel splitting and merging
-    [RaisesException, MeasureAs=AudioContextCreateChannelSplitter] ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs);
-    [RaisesException, MeasureAs=AudioContextCreateChannelMerger] ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs);
-
-    // Close
-    [MeasureAs=AudioContextClose, CallWith=ScriptState, ImplementedAs=closeContext] Promise<void> close();
-
-    // Pause/resume
-    [MeasureAs=AudioContextSuspend, CallWith=ScriptState, ImplementedAs=suspendContext] Promise<void> suspend();
-    [MeasureAs=AudioContextResume, CallWith=ScriptState, ImplementedAs=resumeContext] Promise<void> resume();
-
-    attribute EventHandler onstatechange;
+    // TODO(rtoy): The following methods should be here instead of in BaseAudioContext:
+    //
+    // createMediaElementSource(HTMLMediaElement mediaElement)
+    // createMediaStreamSource(MediaStream mediaStream)
+    // createMediaStreamDestination()
 };