Deprecate very backwards compatibility.

[mkws-moved-to-github.git] / src / mkws-core.js

diff --git a/src/mkws-core.js b/src/mkws-core.js
index 718c350..73f2b8d 100644 (file)
--- a/src/mkws-core.js
+++ b/src/mkws-core.js
@@ -109,24 +109,6 @@ mkws.log = function(string) {
 };
 
 
-// Incredible that the standard JavaScript runtime doesn't define a
-// unique windowId. Instead, we have to make one up. And since there's
-// no global area shared between windows, the best we can do for
-// ensuring uniqueness is generating a random ID and crossing our
-// fingers. We stash this in window.name, as it's the only place to
-// keep data that is preserved across reloads and within-site
-// navigation. pz2.js picks this up and uses it as part of the
-// cookie-name, to ensure each tab gets its own session.
-if (window.name) {
-  mkws.log("Using existing window.name '" + window.name + "'");
-} else {
-  // Ten chars from 26 alpha-numerics = 36^10 = 3.65e15 combinations.
-  // At one per second, it will take 116 million years to duplicate a session
-  window.name = Math.random().toString(36).slice(2, 12);
-  mkws.log("Generated new window.name '" + window.name + "'");
-}
-
-
 // Translation function.
 mkws.M = function(word) {
   var lang = mkws.config.lang;
@@ -269,6 +251,38 @@ mkws.pazpar2_url = function() {
 };
 
 
+// We put a session token in window.name, as it's the only place to
+// keep data that is preserved across reloads and within-site
+// navigation. pz2.js picks this up and uses it as part of the
+// cookie-name, to ensure we get a new session when we need one.
+//
+// We want to use different sessions for different windows/tabs (so
+// they don't receive each other's messages), different hosts and
+// different paths on a host (since in general these will
+// authenticate as different libraries). So the window name needs to
+// include the hostname and the path from the URL, plus the token.
+//
+var token;
+if (window.name) {
+  token = window.name.replace(/.*\//, '');
+  mkws.log("Reusing existing window token '" + token + "'");
+} else {
+  // Incredible that the standard JavaScript runtime doesn't define a
+  // unique windowId. Instead, we have to make one up. And since there's
+  // no global area shared between windows, the best we can do for
+  // ensuring uniqueness is generating a random ID and crossing our
+  // fingers.
+  //
+  // Ten chars from 26 alpha-numerics = 36^10 = 3.65e15 combinations.
+  // At one per second, it will take 116 million years to duplicate a token
+  token = Math.random().toString(36).slice(2, 12);
+  mkws.log("Generated new window token '" + token + "'");
+}
+
+window.name = window.location.hostname + window.location.pathname + '/' + token;
+mkws.log("Using window.name '" + window.name + "'");
+
+
 // wrapper to provide local copy of the jQuery object.
 (function($) {
   var log = mkws.log;
@@ -483,21 +497,6 @@ mkws.pazpar2_url = function() {
     if (message) greet += " :: " + message; 
     mkws.log(greet);
 
-    // TODO: Let's remove this soon
-    // Backwards compatibility: set new magic class names on any
-    // elements that have the old magic IDs.
-    var ids = [ "Switch", "Lang", "Search", "Pager", "Navi",
-                "Results", "Records", "Targets", "Ranking",
-                "Termlists", "Stat", "MOTD" ];
-    for (var i = 0; i < ids.length; i++) {
-      var id = 'mkws' + ids[i];
-      var node = $('#' + id);
-      if (node.attr('id')) {
-        node.addClass(id);
-        log("added magic class to '" + node.attr('id') + "'");
-      }
-    }
-
     // MKWS is not active until init() has been run against an object with widget nodes.
     // We only set initial configuration when MKWS is first activated.
     if (!mkws.isActive) {