jappixmini/jappix/js/features.js

   1 /*
   2
   3 Jappix - An open social platform
   4 This is the server features JS script for Jappix
   5
   6 -------------------------------------------------
   7
   8 License: AGPL
   9 Author: Vanaryon
  10 Last revision: 01/06/11
  11
  12 */
  13
  14 // Gets the features of a server
  15 function getFeatures() {
  16         /* REF: http://xmpp.org/extensions/xep-0030.html */
  17
  18         // Get the main values
  19         var to = getServer();
  20         var caps = con.server_caps;
  21         var xml = null;
  22
  23         // Try to get the stored data
  24         if(caps)
  25                 xml = XMLFromString(getPersistent('caps', caps));
  26
  27         // Any stored data?
  28         if(xml) {
  29                 handleFeatures(xml);
  30
  31                 logThis('Read server CAPS from cache.');
  32         }
  33
  34         // Not stored (or no CAPS)!
  35         else {
  36                 var iq = new JSJaCIQ();
  37
  38                 iq.setTo(to);
  39                 iq.setType('get');
  40                 iq.setQuery(NS_DISCO_INFO);
  41
  42                 con.send(iq, handleDiscoInfos);
  43
  44                 logThis('Read server CAPS from network.');
  45         }
  46 }
  47
  48 // Handles the features of a server
  49 function handleFeatures(xml) {
  50         // Selector
  51         var selector = $(xml);
  52
  53         // Markers
  54         var pep = false;
  55         var pubsub = false;
  56         var archive = false;
  57         var archive_auto = false;
  58         var archive_manual = false;
  59         var archive_manage = false;
  60         var archive_pref = false;
  61         var commands = false;
  62
  63         // Scan the features
  64         if(selector.find('identity[category=pubsub][type=pep]').size())
  65                 pep = true;
  66         if(selector.find('feature[var=' + NS_PUBSUB + ']').size())
  67                 pubsub = true;
  68         if(selector.find('feature[var=' + NS_URN_ARCHIVE + ']').size())
  69                 archive = true;
  70         if(selector.find('feature[var=' + NS_URN_AR_AUTO + ']').size())
  71                 archive_auto = true;
  72         if(selector.find('feature[var=' + NS_URN_AR_MANUAL + ']').size())
  73                 archive_manual = true;
  74         if(selector.find('feature[var=' + NS_URN_AR_MANAGE + ']').size())
  75                 archive_manage = true;
  76         if(selector.find('feature[var=' + NS_URN_AR_PREF + ']').size())
  77                 archive_pref = true;
  78         if(selector.find('feature[var=' + NS_COMMANDS + ']').size())
  79                 commands = true;
  80
  81         // Enable the pep elements if available
  82         if(pep) {
  83                 // Update our database
  84                 enableFeature('pep');
  85
  86                 // Get the microblog
  87                 getInitMicroblog();
  88
  89                 // Get the notifications
  90                 getNotifications();
  91
  92                 // Geolocate the user
  93                 geolocate();
  94
  95                 // Enable microblogging send tools
  96                 waitMicroblog('sync');
  97                 $('.postit.attach').css('display', 'block');
  98
  99                 logThis('XMPP server supports PEP.', 3);
 100         }
 101
 102         // Disable microblogging send tools (no PEP!)
 103         else {
 104                 waitMicroblog('unsync');
 105
 106                 logThis('XMPP server does not support PEP.', 2);
 107         }
 108
 109         // Enable the pubsub features if available
 110         if(pubsub)
 111                 enableFeature(NS_PUBSUB);
 112
 113         // Enable the archiving features if available
 114         if(archive)
 115                 enableFeature(NS_URN_ARCHIVE);
 116
 117         // Enable the archiving sub-features if available
 118         if(archive_pref)
 119                 enableFeature(NS_URN_AR_PREF);
 120         if(archive_auto)
 121                 enableFeature(NS_URN_AR_AUTO);
 122         if(archive_manual)
 123                 enableFeature(NS_URN_AR_MANUAL);
 124         if(archive_manage)
 125                 enableFeature(NS_URN_AR_MANAGE);
 126
 127         // Enable the commands features if available
 128         if(commands)
 129                 enableFeature(NS_COMMANDS);
 130
 131         // Hide the private life fieldset if nothing to show
 132         if(!pep && !archive_pref)
 133                 $('#options fieldset.privacy').hide();
 134
 135         // Apply the features
 136         applyFeatures('talk');
 137
 138         // Process the buddy-list height
 139         if(pep)
 140                 adaptRoster();
 141
 142         return false;
 143 }
 144
 145 // The function to apply the features to an element
 146 function applyFeatures(id) {
 147         // Path to the elements
 148         var path = '#' + id + ' .';
 149
 150         // PEP features
 151         if(enabledPEP())
 152                 $(path + 'pep-hidable').show();
 153
 154         // PubSub features
 155         if(enabledPubSub())
 156                 $(path + 'pubsub-hidable').show();
 157
 158         // Archives features
 159         if(enabledArchives() || enabledArchives('auto') || enabledArchives('manual') || enabledArchives('manage')) {
 160                 $(path + 'archives-hidable:not(.pref)').show();
 161
 162                 // Sub-feature: archives preferences
 163                 if(enabledArchives('pref'))
 164                         $(path + 'archives-hidable.pref').show();
 165         }
 166
 167         // Commands features
 168         if(enabledCommands())
 169                 $(path + 'commands-hidable').show();
 170
 171         // XMPP links (browser feature)
 172         if(navigator.registerProtocolHandler)
 173                 $(path + 'xmpplinks-hidable').show();
 174 }
 175
 176 // Enables a feature
 177 function enableFeature(feature) {
 178         setDB('feature', feature, 'true');
 179 }
 180
 181 // Checks if a feature is enabled
 182 function enabledFeature(feature) {
 183         if(getDB('feature', feature) == 'true')
 184                 return true;
 185         else
 186                 return false;
 187 }
 188
 189 // Returns the XMPP server PEP support
 190 function enabledPEP() {
 191         return enabledFeature('pep');
 192 }
 193
 194 // Returns the XMPP server PubSub support
 195 function enabledPubSub() {
 196         return enabledFeature(NS_PUBSUB);
 197 }
 198
 199 // Returns the XMPP server archives support
 200 function enabledArchives(sub) {
 201         var xmlns = NS_URN_ARCHIVE;
 202
 203         // Any sub element sent?
 204         if(sub)
 205                 xmlns += ':' + sub;
 206
 207         return enabledFeature(xmlns);
 208 }
 209
 210 // Returns the XMPP server commands support
 211 function enabledCommands() {
 212         return enabledFeature(NS_COMMANDS);
 213 }