Updated to Chrome 45 (2454) moved from SVN to git.

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;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+enum AudioContextState {
+    "suspended",
+    "running",
+    "closed"
+};
+
 [
     GarbageCollected,
     ActiveDOMObject,
     Conditional=WEB_AUDIO,
     Constructor,
     ConstructorCallWith=Document,
     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.
-    // FIXMEDART(ager): Auto-generate this custom method when the info about
-    // retaining typed arrays is in the IDL.
-    [RaisesException, DartCustom] void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, optional AudioBufferCallback errorCallback);
+    [RaisesException, MeasureAs=AudioContextDecodeAudioData] void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, optional AudioBufferCallback errorCallback);
 
     // Sources
-    AudioBufferSourceNode createBufferSource();
+    [RaisesException, MeasureAs=AudioContextCreateBufferSource] AudioBufferSourceNode createBufferSource();
 
-    [RaisesException] MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
+    [RaisesException, MeasureAs=AudioContextCreateMediaElementSource] MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
 
-    [RaisesException] MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
-    MediaStreamAudioDestinationNode createMediaStreamDestination();
+    [RaisesException, MeasureAs=AudioContextCreateMediaStreamSource, RaisesException] MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
+    [RaisesException, MeasureAs=AudioContextCreateMediaStreamDestination] MediaStreamAudioDestinationNode createMediaStreamDestination();
 
     // Processing nodes
-    GainNode createGain();
-    [RaisesException] DelayNode createDelay(optional double maxDelayTime);
-    BiquadFilterNode createBiquadFilter();
-    WaveShaperNode createWaveShaper();
-    PannerNode createPanner();
-    ConvolverNode createConvolver();
-    DynamicsCompressorNode createDynamicsCompressor();
-    AnalyserNode createAnalyser();
-    [RaisesException] ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize, optional unsigned long numberOfInputChannels, optional unsigned long numberOfOutputChannels);
-    OscillatorNode createOscillator();
-    [RaisesException] PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag);
+    [RaisesException, MeasureAs=AudioContextCreateGain] GainNode createGain();
+    [RaisesException, MeasureAs=AudioContextCreateDelay] DelayNode createDelay(optional double maxDelayTime);
+    [RaisesException, MeasureAs=AudioContextCreateBiquadFilter] BiquadFilterNode createBiquadFilter();
+    [RaisesException, MeasureAs=AudioContextCreateWaveShaper] WaveShaperNode createWaveShaper();
+    [RaisesException, MeasureAs=AudioContextCreatePanner] PannerNode createPanner();
+    [RaisesException, MeasureAs=AudioContextCreateConvolver] ConvolverNode createConvolver();
+    [RaisesException, MeasureAs=AudioContextCreateDynamicsCompressor] DynamicsCompressorNode createDynamicsCompressor();
+    [RaisesException, MeasureAs=AudioContextCreateAnalyser] AnalyserNode createAnalyser();
+    [RaisesException, MeasureAs=AudioContextCreateScriptProcessor, RaisesException] 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, RaisesException] PeriodicWave createPeriodicWave(Float32Array real, Float32Array imag);
 
     // Channel splitting and merging
-    [RaisesException] ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs);
-    [RaisesException] ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs);
+    [RaisesException, MeasureAs=AudioContextCreateChannelSplitter] ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs);
+    [RaisesException, MeasureAs=AudioContextCreateChannelMerger] ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs);
 
-    // Offline rendering
-    // void prepareOfflineBufferRendering(unsigned long numberOfChannels, unsigned long numberOfFrames, float sampleRate);
-    attribute EventHandler oncomplete;
-    void startRendering();
+    // 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;
 };