js/main.js

   1 /*
   2  *      Copyright 2012  Samsung Electronics Co., Ltd
   3  *
   4  *      Licensed under the Flora License, Version 1.0 (the "License");
   5  *      you may not use this file except in compliance with the License.
   6  *      You may obtain a copy of the License at
   7  *
   8  *              http://floralicense.org/license/
   9  *
  10  *      Unless required by applicable law or agreed to in writing, software
  11  *      distributed under the License is distributed on an "AS IS" BASIS,
  12  *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *      See the License for the specific language governing permissions and
  14  *      limitations under the License.
  15  */
  16
  17 /*jslint devel: true*/
  18 /*global $, tizen, App  */
  19
  20 /**
  21  * This file acts as a loader for the application and its dependencies
  22  *
  23  * First, the 'app.js' script is loaded .
  24  * Then, scripts defined in 'app.requires' are loaded.
  25  * Finally, the app is initialised - the app is instantiated ('app = new App()')
  26  * and 'app.init()' is called.
  27  */
  28
  29
  30 var app = null;
  31
  32 (function () { // strict mode wrapper
  33         'use strict';
  34
  35         ({
  36                 /**
  37                  * Loader init - load the App constructor
  38                  */
  39                 init: function init() {
  40                         var self = this;
  41                         $.getScript('js/app.js')
  42                                 .done(function () {
  43                                         // once the app is loaded, create the app object
  44                                         // and load the libraries
  45                                         app = new App();
  46                                         self.loadLibs();
  47                                 })
  48                                 .fail(this.onGetScriptError);
  49                 },
  50
  51                 /**
  52                  * Load dependencies
  53                  */
  54                 loadLibs: function loadLibs() {
  55                         var loadedLibs = 0;
  56                         if ($.isArray(app.requires)) {
  57                                 $.each(app.requires, function (index, filename) {
  58                                         $.getScript(filename)
  59                                                 .done(function () {
  60                                                         loadedLibs += 1;
  61                                                         if (loadedLibs >= app.requires.length) {
  62                                                                 // All dependencies are loaded - initialise the app
  63                                                                 app.init();
  64                                                         }
  65                                                 })
  66                                                 .fail(this.onGetScriptError);
  67                                 });
  68                         }
  69                 },
  70
  71                 /**
  72                  * Handle ajax errors
  73                  */
  74                 onGetScriptError: function onGetScriptError(e, jqxhr, setting, exception) {
  75                         console.error('An error occurred: ' + e.message);
  76                 }
  77         }).init(); // run the loader
  78 }());