diff options
Diffstat (limited to 'trunk/etherpad/src/etherpad/pad/activepads.js')
-rw-r--r-- | trunk/etherpad/src/etherpad/pad/activepads.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/trunk/etherpad/src/etherpad/pad/activepads.js b/trunk/etherpad/src/etherpad/pad/activepads.js new file mode 100644 index 0000000..07f5e2e --- /dev/null +++ b/trunk/etherpad/src/etherpad/pad/activepads.js @@ -0,0 +1,52 @@ +/** + * Copyright 2009 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS-IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import("jsutils.cmp"); + +jimport("net.appjet.common.util.LimitedSizeMapping"); + +var HISTORY_SIZE = 100; + +function _getMap() { + if (!appjet.cache['activepads']) { + appjet.cache['activepads'] = { + map: new LimitedSizeMapping(HISTORY_SIZE) + }; + } + return appjet.cache['activepads'].map; +} + +function touch(padId) { + _getMap().put(padId, +(new Date)); +} + +function getActivePads() { + var m = _getMap(); + var a = m.listAllKeys().toArray(); + var activePads = []; + for (var i = 0; i < a.length; i++) { + activePads.push({ + padId: a[i], + timestamp: m.get(a[i]) + }); + } + + activePads.sort(function(a,b) { return cmp(b.timestamp,a.timestamp); }); + return activePads; +} + + + |