b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
4 lines
No EOL
2.1 KiB
JavaScript
4 lines
No EOL
2.1 KiB
JavaScript
;;'use strict';function TonePlayer(){this._currentTone=null;this._isValid=true;this._player=new Audio();this._player.addEventListener('loadedmetadata',function(){if(this._player.src){this._isValid=true;this._player.dispatchEvent(new CustomEvent('validated',{detail:this._isValid}));}}.bind(this));this._player.addEventListener('error',function(){if(this._player.src){this._isValid=false;this._player.dispatchEvent(new CustomEvent('validated',{detail:this._isValid}));}}.bind(this));this._player.addEventListener('ended',function(){this._firePlayingCallback(false);}.bind(this));window.addEventListener('visibilitychange',function(){if(document.hidden){this.stop();this._setExclusiveMode(false);}}.bind(this));}
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TonePlayer.prototype={setTone:function(tone,callback){if(tone!==this._currentTone){this._firePlayingCallback(false);this._currentTone=tone;this._playingCallback=callback;if(tone&&tone.url){this._isValid=undefined;this._player.src=tone.url;this._player.play();this._firePlayingCallback(true);this._setExclusiveMode(true);}else{this._isValid=true;this._player.removeAttribute('src');this._player.load();}}else{if(!this._isValid){return;}
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if(this._player.paused||this._player.ended){this._player.currentTime=0;this._player.play();this._firePlayingCallback(true);this._setExclusiveMode(true);}else{this._player.pause();this._firePlayingCallback(false);}}},stop:function(){this._player.pause();this._firePlayingCallback(false);},get currentTone(){return this._currentTone;},isValid:function(callback){if(this._isValid!==undefined){callback(this._isValid);return;}
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this._player.addEventListener('validated',function validated(event){this.removeEventListener('validated',validated);callback(event.detail);});},_firePlayingCallback:function(playing){if(this._playingCallback){this._playingCallback(playing);}},_setExclusiveMode:function(exclusive){if(exclusive){if(!this._source){this._context=new AudioContext('ringer');this._source=this._context.createMediaElementSource(this._player);this._source.connect(this._context.destination);}}else{if(this._source){this._source.disconnect();this._context=null;this._source=null;}}}}; |