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35 lines
972 B
JavaScript
35 lines
972 B
JavaScript
var Whisper = Whisper || {};
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(function () {
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'use strict';
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// This is an ephemeral collection of global notification messages to be
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// presented in some nice way to the user. In this case they will fade in/out
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// one at a time.
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var queue = new Backbone.Collection();
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var view = new (Backbone.View.extend({
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className: 'help',
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initialize: function() {
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this.$el.appendTo($('body'));
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this.listenToOnce(queue, 'add', this.presentNext);
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},
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presentNext: function() {
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var next = queue.shift();
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if (next) {
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this.$el.text(next.get('message')).fadeIn(this.setFadeOut.bind(this));
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} else {
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this.listenToOnce(queue, 'add', this.presentNext);
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}
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},
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setFadeOut: function() {
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setTimeout(this.fadeOut.bind(this), 1500);
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},
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fadeOut: function() {
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this.$el.fadeOut(this.presentNext.bind(this));
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},
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}))();
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Whisper.notify = function(str) { queue.add({message: str}); }
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})();
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