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Diffstat (limited to 'blockly/accessible/audio.service.js')
-rw-r--r-- | blockly/accessible/audio.service.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/blockly/accessible/audio.service.js b/blockly/accessible/audio.service.js new file mode 100644 index 0000000..c358c08 --- /dev/null +++ b/blockly/accessible/audio.service.js @@ -0,0 +1,57 @@ +/** + * 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'); + } + }); |