move shims to new shims module

Author: therewasaguy

Gruntfile.js

@@ -65,6 +65,7 @@ module.exports = function(grunt) {
             'Tone' : 'node_modules/tone/Tone',
             'automation-timeline': 'node_modules/web-audio-automation-timeline/build/automation-timeline-amd',
             'panner' : 'src/panner',
+            'shims': 'src/shims',
             'audiocontext': 'src/audiocontext',
             'master': 'src/master',
             'helpers': 'src/helpers',

src/app.js

@@ -2,6 +2,7 @@
 
 define(function (require) {
 
+  require('shims');
   require('audiocontext');
   var p5SOUND = require('master');
   require('helpers');

src/audiocontext.js

@@ -1,151 +1,6 @@
 'use strict';
 
 define(function () {
-
-  /* AudioContext Monkeypatch
-     Copyright 2013 Chris Wilson
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-         http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
-  */
-  (function () {
-    function fixSetTarget(param) {
-      if (!param) // if NYI, just return
-        return;
-      if (!param.setTargetAtTime)
-        param.setTargetAtTime = param.setTargetValueAtTime;
-    }
-
-    if (window.hasOwnProperty('webkitAudioContext') &&
-        !window.hasOwnProperty('AudioContext')) {
-      window.AudioContext = window.webkitAudioContext;
-
-      if (typeof AudioContext.prototype.createGain !== 'function')
-        AudioContext.prototype.createGain = AudioContext.prototype.createGainNode;
-      if (typeof AudioContext.prototype.createDelay !== 'function')
-        AudioContext.prototype.createDelay = AudioContext.prototype.createDelayNode;
-      if (typeof AudioContext.prototype.createScriptProcessor !== 'function')
-        AudioContext.prototype.createScriptProcessor = AudioContext.prototype.createJavaScriptNode;
-      if (typeof AudioContext.prototype.createPeriodicWave !== 'function')
-        AudioContext.prototype.createPeriodicWave = AudioContext.prototype.createWaveTable;
-
-
-      AudioContext.prototype.internal_createGain = AudioContext.prototype.createGain;
-      AudioContext.prototype.createGain = function() {
-        var node = this.internal_createGain();
-        fixSetTarget(node.gain);
-        return node;
-      };
-
-      AudioContext.prototype.internal_createDelay = AudioContext.prototype.createDelay;
-      AudioContext.prototype.createDelay = function(maxDelayTime) {
-        var node = maxDelayTime ? this.internal_createDelay(maxDelayTime) : this.internal_createDelay();
-        fixSetTarget(node.delayTime);
-        return node;
-      };
-
-      AudioContext.prototype.internal_createBufferSource = AudioContext.prototype.createBufferSource;
-      AudioContext.prototype.createBufferSource = function() {
-        var node = this.internal_createBufferSource();
-        if (!node.start) {
-          node.start = function ( when, offset, duration ) {
-            if ( offset || duration )
-              this.noteGrainOn( when || 0, offset, duration );
-            else
-              this.noteOn( when || 0 );
-          };
-        } else {
-          node.internal_start = node.start;
-          node.start = function( when, offset, duration ) {
-            if( typeof duration !== 'undefined' )
-              node.internal_start( when || 0, offset, duration );
-            else
-              node.internal_start( when || 0, offset || 0 );
-          };
-        }
-        if (!node.stop) {
-          node.stop = function ( when ) {
-            this.noteOff( when || 0 );
-          };
-        } else {
-          node.internal_stop = node.stop;
-          node.stop = function( when ) {
-            node.internal_stop( when || 0 );
-          };
-        }
-        fixSetTarget(node.playbackRate);
-        return node;
-      };
-
-      AudioContext.prototype.internal_createDynamicsCompressor = AudioContext.prototype.createDynamicsCompressor;
-      AudioContext.prototype.createDynamicsCompressor = function() {
-        var node = this.internal_createDynamicsCompressor();
-        fixSetTarget(node.threshold);
-        fixSetTarget(node.knee);
-        fixSetTarget(node.ratio);
-        fixSetTarget(node.reduction);
-        fixSetTarget(node.attack);
-        fixSetTarget(node.release);
-        return node;
-      };
-
-      AudioContext.prototype.internal_createBiquadFilter = AudioContext.prototype.createBiquadFilter;
-      AudioContext.prototype.createBiquadFilter = function() {
-        var node = this.internal_createBiquadFilter();
-        fixSetTarget(node.frequency);
-        fixSetTarget(node.detune);
-        fixSetTarget(node.Q);
-        fixSetTarget(node.gain);
-        return node;
-      };
-
-      if (typeof AudioContext.prototype.createOscillator !== 'function') {
-        AudioContext.prototype.internal_createOscillator = AudioContext.prototype.createOscillator;
-        AudioContext.prototype.createOscillator = function() {
-          var node = this.internal_createOscillator();
-          if (!node.start) {
-            node.start = function ( when ) {
-              this.noteOn( when || 0 );
-            };
-          } else {
-            node.internal_start = node.start;
-            node.start = function ( when ) {
-              node.internal_start( when || 0);
-            };
-          }
-          if (!node.stop) {
-            node.stop = function ( when ) {
-              this.noteOff( when || 0 );
-            };
-          } else {
-            node.internal_stop = node.stop;
-            node.stop = function( when ) {
-              node.internal_stop( when || 0 );
-            };
-          }
-          if (!node.setPeriodicWave)
-            node.setPeriodicWave = node.setWaveTable;
-          fixSetTarget(node.frequency);
-          fixSetTarget(node.detune);
-          return node;
-        };
-      }
-    }
-
-    if (window.hasOwnProperty('webkitOfflineAudioContext') &&
-        !window.hasOwnProperty('OfflineAudioContext')) {
-      window.OfflineAudioContext = window.webkitOfflineAudioContext;
-    }
-
-  })(window);
-  // <-- end MonkeyPatch.
-
   // Create the Audio Context
   var audiocontext = new window.AudioContext();
 
@@ -162,58 +17,6 @@ define(function () {
     return audiocontext;
   };
 
-  // Polyfill for AudioIn, also handled by p5.dom createCapture
-  navigator.getUserMedia = navigator.getUserMedia ||
-    navigator.webkitGetUserMedia ||
-    navigator.mozGetUserMedia ||
-    navigator.msGetUserMedia;
-
-
-  /**
-   * Determine which filetypes are supported (inspired by buzz.js)
-   * The audio element (el) will only be used to test browser support for various audio formats
-   */
-  var el = document.createElement('audio');
-
-  p5.prototype.isSupported = function() {
-    return !!el.canPlayType;
-  };
-  var isOGGSupported = function() {
-    return !!el.canPlayType && el.canPlayType('audio/ogg; codecs="vorbis"');
-  };
-  var isMP3Supported = function() {
-    return !!el.canPlayType && el.canPlayType('audio/mpeg;');
-  };
-  var isWAVSupported = function() {
-    return !!el.canPlayType && el.canPlayType('audio/wav; codecs="1"');
-  };
-  var isAACSupported = function() {
-    return !!el.canPlayType && (el.canPlayType('audio/x-m4a;') || el.canPlayType('audio/aac;'));
-  };
-  var isAIFSupported = function() {
-    return !!el.canPlayType && el.canPlayType('audio/x-aiff;');
-  };
-  p5.prototype.isFileSupported = function(extension) {
-    switch(extension.toLowerCase())
-    {
-      case 'mp3':
-        return isMP3Supported();
-      case 'wav':
-        return isWAVSupported();
-      case 'ogg':
-        return isOGGSupported();
-      case 'aac':
-      case 'm4a':
-      case 'mp4':
-        return isAACSupported();
-      case 'aif':
-      case 'aiff':
-        return isAIFSupported();
-      default:
-        return false;
-    }
-  };
-
   // if it is iOS, we have to have a user interaction to start Web Audio
   // http://paulbakaus.com/tutorials/html5/web-audio-on-ios/
   var iOS =  navigator.userAgent.match(/(iPad|iPhone|iPod)/g) ? true : false ;
@@ -243,4 +46,5 @@ define(function () {
     // TO DO: fake touch event so that audio will just start
   }
 
+  return audiocontext;
 });