Add createAnalyser

components/script/dom/baseaudiocontext.rs

@@ -2,13 +2,15 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use dom::analysernode::AnalyserNode;
 use dom::audiobuffer::AudioBuffer;
 use dom::audiobuffersourcenode::AudioBufferSourceNode;
 use dom::audiodestinationnode::AudioDestinationNode;
 use dom::audiolistener::AudioListener;
 use dom::audionode::MAX_CHANNEL_COUNT;
 use dom::bindings::callback::ExceptionHandling;
 use dom::bindings::cell::DomRefCell;
+use dom::bindings::codegen::Bindings::AnalyserNodeBinding::AnalyserOptions;
 use dom::bindings::codegen::Bindings::AudioBufferSourceNodeBinding::AudioBufferSourceOptions;
 use dom::bindings::codegen::Bindings::AudioNodeBinding::{ChannelCountMode, ChannelInterpretation};
 use dom::bindings::codegen::Bindings::AudioNodeBinding::AudioNodeOptions;
@@ -337,6 +339,11 @@ impl BaseAudioContextMethods for BaseAudioContext {
         PannerNode::new(&self.global().as_window(), &self, &PannerOptions::empty())
     }
 
+    /// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-createanalyser
+    fn CreateAnalyser(&self) -> Fallible<DomRoot<AnalyserNode>> {
+        AnalyserNode::new(&self.global().as_window(), &self, &AnalyserOptions::empty())
+    }
+
     /// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-createchannelmerger
     fn CreateChannelMerger(&self, count: u32) -> Fallible<DomRoot<ChannelMergerNode>> {
         let mut opts = ChannelMergerOptions::empty();

components/script/dom/webidls/BaseAudioContext.webidl

@@ -35,7 +35,7 @@ interface BaseAudioContext : EventTarget {
   // ScriptProcessorNode createScriptProcessor(optional unsigned long bufferSize = 0,
   //                                           optional unsigned long numberOfInputChannels = 2,
   //                                           optional unsigned long numberOfOutputChannels = 2);
-  // AnalyserNode createAnalyser();
+  [Throws] AnalyserNode createAnalyser();
   [Throws]  GainNode createGain();
   // DelayNode createDelay(optional double maxDelayTime = 1);
   // BiquadFilterNode createBiquadFilter();