+mkws.pazpar2_url = function() {
+ if (mkws.config.pazpar2_url) {
+ mkws.log("using pre-baked pazpar2_url '" + mkws.config.pazpar2_url + "'");
+ return mkws.config.pazpar2_url;
+ } else {
+ var s = document.location.protocol + "//" + mkws.config.pp2_hostname + "/" + mkws.config.pp2_path + "/";
+ mkws.log("generated pazpar2_url '" + s + "'");
+ return s;
+ }
+};
+
+
+// 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($) {