mods/_standard/social/lib/js/container.js

   1 var Container = Class.create();
   2 Container.prototype = {
   3         maxHeight: 4096,
   4
   5         initialize: function() {
   6                 // rpc services our container supports
   7                 gadgets.rpc.register('resize_iframe', this.setHeight);
   8                 gadgets.rpc.register('set_pref', this.setUserPref);
   9                 gadgets.rpc.register('set_title', this.setTitle);
  10                 gadgets.rpc.register('requestNavigateTo', this.requestNavigateTo);
  11         },
  12
  13         setHeight: function(height) {
  14                 if ($(this.f) != undefined) {
  15                         // compensate for margin/padding offsets in some browsers (ugly hack but functional)
  16                         height += 28;
  17                         // change the height of the gadget iframe, limit to maxHeight height
  18                         if (height > gadgets.container.maxHeight) {
  19                                 height = gadgets.container.maxHeight;
  20                         }
  21                         Element.setStyle($(this.f), {'height':height+'px'});
  22                 }
  23         },
  24
  25         _parseIframeUrl: function(url) {
  26                 // parse the iframe url to extract the key = value pairs from it
  27                 var ret = new Object();
  28                 var hashParams = url.replace(/#.*$/, '').split('&');
  29                 var param = key = val = '';
  30                 for (i = 0 ; i < hashParams.length; i++) {
  31                         param = hashParams[i];
  32                         key = param.substr(0, param.indexOf('='));
  33                         val = param.substr(param.indexOf('=') + 1);
  34                         ret[key] = val;
  35                 }
  36                 return ret;
  37         },
  38
  39         setUserPref: function(editToken, name, value) {
  40                 // we use the security token to tell our backend who this is (app/mod/viewer)
  41                 // since it's the only fail safe way of doing so
  42                 if ($(this.f) != undefined) {
  43                         var params = gadgets.container._parseIframeUrl($(this.f).src);
  44                         //TODO use params.st to make the store request, it holds the owner / viewer / app id / mod id required
  45                         new Ajax.Request('./mods/_standard/social/set_prefs.php', {method: 'get', parameters: { name: name, value: value, st: params.st }});
  46                 }
  47         },
  48
  49         setTitle: function(title) {
  50                 var element = $(this.f+'_title');
  51                 if (element != undefined) {
  52                         // update the title, and make sure we don't break it's html
  53                         element.update(title.replace(/&/g, '&amp;').replace(/</g, '&lt;'));
  54                 }
  55         },
  56
  57         _getUrlForView: function(view, person, app, mod) {
  58                 if (view === 'home') {
  59                         return './mods/_standard/social/index.php';
  60                 } else if (view === 'profile') {
  61                         return '/sprofile.php?id='+person;
  62                 } else if (view === 'canvas') {
  63                         return './mods/_standard/social/applications.php?app_id='+app;
  64                 } else {
  65                         return null;
  66                 }
  67         },
  68
  69         requestNavigateTo: function(view, opt_params) {
  70                 if ($(this.f) != undefined) {
  71                         var params = gadgets.container._parseIframeUrl($(this.f).src);
  72                         var url = gadgets.container._getUrlForView(view, params.owner, params.aid, params.mid);
  73                         if (opt_params) {
  74                                 var paramStr = Object.toJSON(opt_params);
  75                                 if (paramStr.length > 0) {
  76                                         url += '?appParams=' + encodeURIComponent(paramStr);
  77                                 }
  78                         }
  79                         if (url && document.location.href.indexOf(url) == -1) {
  80                                 document.location.href = url;
  81                         }
  82                 }
  83         }
  84 }
  85
  86 /**
  87  * Create the container class on page load
  88  */
  89 gadgets.container = new Container();