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/**
* AccessibleBlockly
*
* Copyright 2016 Google Inc.
* https://developers.google.com/blockly/
*
* 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.
*/
/**
* @fileoverview Angular2 Service that plays audio files.
* @author sll@google.com (Sean Lip)
*/
blocklyApp.AudioService = ng.core
.Class({
constructor: [function() {
// We do not play any audio unless a media path prefix is specified.
this.canPlayAudio = false;
if (ACCESSIBLE_GLOBALS.hasOwnProperty('mediaPathPrefix')) {
this.canPlayAudio = true;
var mediaPathPrefix = ACCESSIBLE_GLOBALS['mediaPathPrefix'];
this.AUDIO_PATHS_ = {
'connect': mediaPathPrefix + 'click.mp3',
'delete': mediaPathPrefix + 'delete.mp3'
};
}
// TODO(sll): Add ogg and mp3 fallbacks.
this.cachedAudioFiles_ = {};
}],
play_: function(audioId) {
if (this.canPlayAudio) {
if (!this.cachedAudioFiles_.hasOwnProperty(audioId)) {
this.cachedAudioFiles_[audioId] = new Audio(
this.AUDIO_PATHS_[audioId]);
}
this.cachedAudioFiles_[audioId].play();
}
},
playConnectSound: function() {
this.play_('connect');
},
playDeleteSound: function() {
this.play_('delete');
}
});
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