hacks/Hack.js

   1 /* Copyright 2011 The Dominion of Awesome
   2  * See COPYING for licensing information */
   3 enyo.kind({
   4         name: "Hack",
   5         kind: "VFlexBox",
   6         preferences: [],
   7         create: function() {
   8                 this.inherited(arguments);
   9                 try {
  10                         var str = localStorage['hacks/' + this.kind];
  11                         if (str)
  12                                 this.setPreferences(JSON.parse(str), true, true);
  13                 } catch(e) {
  14                         enyo.log("Could not load preferences: " + e.toString());
  15                 }
  16         },
  17         stop: function() {
  18         },
  19         start: function() {
  20         },
  21         resize: function() {
  22         },
  23         hidden: function() {
  24         },
  25         getPreferencesMetadata: function() {
  26                 return this.preferences;
  27         },
  28         getPreferences: function() {
  29                 var o = {};
  30                 for (var i = 0; i < this.preferences.length; i++) {
  31                         var p = this.preferences[i];
  32                         o[p.name] = this[p.name];
  33                 }
  34                 return o;
  35         },
  36         setPreferences: function(prefs, nosave, nonotify) {
  37                 for (var i in prefs) {
  38                         if (this[i] == undefined)
  39                                 throw new Error('Cannot set nonexistent preference "' + i + '"');
  40                         this[i] = prefs[i];
  41                 }
  42                 if (!nosave)
  43                         this.savePreferences();
  44                 if (!nonotify)
  45                         this.preferencesChanged();
  46         },
  47         savePreferences: function() {
  48                 try {
  49                         localStorage['hacks/' + this.kind] = JSON.stringify(this.getPreferences());
  50                 } catch(e) {
  51                         enyo.log("Could not save prefs: " + e.toString());
  52                 }
  53         },
  54         resetPreferences: function() {
  55                 delete localStorage['hacks/' + this.kind];
  56         },
  57         preferencesChanged: function() { }
  58 });