more functions for working with localstorage

www/common/cryptpad-common.js

@@ -17,12 +17,10 @@ define([
         return secret;
     };
 
-    var rememberPad = common.rememberPad = window.rememberPad = function () {
-        // bail out early
-        if (!/#/.test(window.location.hash)) { return; }
-
-        var storageKey = 'CryptPad_RECENTPADS';
+    var storageKey = common.storageKey = 'CryptPad_RECENTPADS';
+    var timeframe = common.timeframe = 1000 * 60 * 60 * 24 * 30;
 
+    var getRecentPads = function () {
         var recentPadsStr = localStorage[storageKey];
 
         var recentPads = [];
@@ -34,17 +32,61 @@ define([
                 // just overwrite it.
             }
         }
+        return recentPads;
+    };
+
+    var setRecentPads = function (pads) {
+        localStorage[storageKey] = JSON.stringify(pads);
+    };
+
+    var rememberPad = common.rememberPad = window.rememberPad = function (title) {
+        // bail out early
+        if (!/#/.test(window.location.hash)) { return; }
+
+        var recentPads = getRecentPads();
 
         var now = new Date();
-        var timeframe = 1000 * 60 * 60 * 24 * 30;
 
         var out = recentPads.filter(function (pad) {
             return (pad && pad[0] !== window.location.href &&
                 (now.getTime() - new Date(pad[1]).getTime()) < timeframe);
         });
 
-        out.push([window.location.href, now]);
-        localStorage[storageKey] = JSON.stringify(out);
+        // href, atime, name
+        out.push([window.location.href, now, title || '']);
+        setRecentPads(out);
+    };
+
+    var setPadTitle = common.setPadTitle = function (name) {
+        var href = window.location.href;
+        var recent = getRecentPads();
+
+        var renamed = recent.map(function (pad) {
+            if (pad[0] === href) {
+                // update the atime
+                pad[1] = new Date().toISOString();
+
+                // set the name
+                pad[2] = name;
+            }
+            //console.log(pad);
+            return pad;
+        });
+
+        setRecentPads(renamed);
+    };
+
+    var getPadTitle = common.getPadTitle = function () {
+        var href = window.location.href;
+        var hashSlice = window.location.hash.slice(1,9);
+        var title = '';
+        getRecentPads().some(function (pad) {
+            if (pad[0] === href) {
+                title = pad[2] || hashSlice;
+                return true;
+            }
+        });
+        return title;
     };
 
     var importContent = common.importContent = function (type, f) {