js/update-location.js

   1 /* vim: set expandtab sw=4 ts=4 sts=4: */
   2 /**
   3  * Scripts to update location to allow bookmarking of frameset
   4  * and restoring the bookmark once the page is loaded.
   5  *
   6  */
   7
   8 var hash_to_set = "";
   9 var hash_init_done = 0;
  10
  11 /**
  12  * Sets hash part in URL, either calls itself in parent frame or does the
  13  * work itself. The hash is not set directly if we did not yet process old
  14  * one.
  15  */
  16 function setURLHash(hash)
  17 {
  18     if (jQuery.browser.webkit) {
  19         /*
  20          * Setting hash leads to reload in webkit:
  21          * http://www.quirksmode.org/bugreports/archives/2005/05/Safari_13_visual_anomaly_with_windowlocationhref.html
  22          */
  23         return;
  24     }
  25     if (window.parent != window && window.parent.setURLHash) {
  26         window.parent.setURLHash(hash);
  27     } else {
  28         /* Do not set if we're not updating frameset */
  29         var path = window.location.pathname;
  30         if (path.substring(path.length - 9, path.length) != "index.php") {
  31             return;
  32         }
  33         if (hash_init_done) {
  34             window.location.hash = "PMAURL:" + hash;
  35             fix_favicon();
  36         } else {
  37             hash_to_set = "PMAURL:" + hash;
  38         }
  39     }
  40 }
  41
  42 // Fix favicon disappearing in Firefox when setting location.hash
  43 // See bug #3448485
  44 function fix_favicon() {
  45     if (jQuery.browser.mozilla) {
  46         // Move the link tags for the favicon to the bottom
  47         // of the head element to force a reload of the favicon
  48         $('head > link[href=\\.\\/favicon\\.ico]').appendTo('head');
  49     }
  50 }
  51
  52 /**
  53  * Handler for changing url according to the hash part, which is updated
  54  * on each page to allow bookmarks.
  55  */
  56 $(document).ready(function(){
  57     /* Don't do anything if we're not root Window */
  58     if (window.parent != window && window.parent.setURLHash) {
  59         return;
  60     }
  61     /* Check if hash contains parameters */
  62     if (window.location.hash.substring(0, 8) == '#PMAURL:') {
  63         window.location = 'index.php?' + window.location.hash.substring(8);
  64         return;
  65     }
  66     /* Check if we should set URL */
  67     if (hash_to_set != "") {
  68         window.location.hash = hash_to_set;
  69         hash_to_set = "";
  70         fix_favicon();
  71     }
  72     /* Indicate that we're done (and we are not going to change location */
  73     hash_init_done = 1;
  74 })