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119 lines
2.8 KiB
JavaScript
119 lines
2.8 KiB
JavaScript
clippy.BASE_PATH = '//s3.amazonaws.com/clippy.js/Agents/';
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clippy.load = function (name, successCb, failCb) {
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var path = clippy.BASE_PATH + name;
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var mapDfd = clippy.load._loadMap(path);
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var agentDfd = clippy.load._loadAgent(name, path);
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var soundsDfd = clippy.load._loadSounds(name, path);
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var data;
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agentDfd.done(function (d) {
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data = d;
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});
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var sounds;
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soundsDfd.done(function (d) {
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sounds = d;
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});
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// wrapper to the success callback
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var cb = function () {
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var a = new clippy.Agent(path, data,sounds);
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successCb(a);
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};
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$.when(mapDfd, agentDfd, soundsDfd).done(cb).fail(failCb);
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};
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clippy.load._maps = {};
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clippy.load._loadMap = function (path) {
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var dfd = clippy.load._maps[path];
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if (dfd) return dfd;
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// set dfd if not defined
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dfd = clippy.load._maps[path] = $.Deferred();
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var src = path + '/map.png';
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var img = new Image();
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img.onload = dfd.resolve;
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img.onerror = dfd.reject;
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// start loading the map;
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img.setAttribute('src', src);
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return dfd.promise();
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};
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clippy.load._sounds = {};
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clippy.load._loadSounds = function (name, path) {
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var dfd = clippy.load._sounds[name];
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if (dfd) return dfd;
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// set dfd if not defined
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dfd = clippy.load._sounds[name] = $.Deferred();
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var audio = document.createElement('audio');
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var canPlayMp3 = !!audio.canPlayType && "" != audio.canPlayType('audio/mpeg');
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var canPlayOgg = !!audio.canPlayType && "" != audio.canPlayType('audio/ogg; codecs="vorbis"');
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if (!canPlayMp3 && !canPlayOgg) {
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dfd.resolve({});
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} else {
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var src = path + (canPlayMp3 ? '/sounds-mp3.js' : '/sounds-ogg.js');
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// load
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clippy.load._loadScript(src);
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}
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return dfd.promise()
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};
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clippy.load._data = {};
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clippy.load._loadAgent = function (name, path) {
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var dfd = clippy.load._data[name];
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if (dfd) return dfd;
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dfd = clippy.load._getAgentDfd(name);
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var src = path + '/agent.js';
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clippy.load._loadScript(src);
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return dfd.promise();
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};
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clippy.load._loadScript = function (src) {
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var script = document.createElement('script');
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script.setAttribute('src', src);
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script.setAttribute('async', 'async');
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script.setAttribute('type', 'text/javascript');
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document.head.appendChild(script);
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};
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clippy.load._getAgentDfd = function (name) {
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var dfd = clippy.load._data[name];
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if (!dfd) {
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dfd = clippy.load._data[name] = $.Deferred();
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}
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return dfd;
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};
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clippy.ready = function (name, data) {
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var dfd = clippy.load._getAgentDfd(name);
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dfd.resolve(data);
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};
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clippy.soundsReady = function (name, data) {
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var dfd = clippy.load._sounds[name];
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if (!dfd) {
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dfd = clippy.load._sounds[name] = $.Deferred();
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}
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dfd.resolve(data);
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};
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