3 * StatusNet, the distributed open-source microblogging tool
5 * Superclass for plugins that do "real time" updates of timelines using Ajax
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@status.net>
25 * @copyright 2009 StatusNet, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 if (!defined('STATUSNET') && !defined('LACONICA')) {
35 * Superclass for plugin to do realtime updates
37 * Based on experience with the Comet and Meteor plugins,
38 * this superclass extracts out some of the common functionality
42 * @author Evan Prodromou <evan@status.net>
43 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
44 * @link http://status.net/
47 class RealtimePlugin extends Plugin
49 protected $replyurl = null;
50 protected $favorurl = null;
51 protected $deleteurl = null;
54 * When it's time to initialize the plugin, calculate and
55 * pass the URLs we need.
58 function onInitializePlugin()
60 $this->replyurl = common_local_url('newnotice');
61 $this->favorurl = common_local_url('favor');
62 // FIXME: need to find a better way to pass this pattern in
63 $this->deleteurl = common_local_url('deletenotice',
64 array('notice' => '0000000000'));
68 function onEndShowScripts($action)
70 $timeline = $this->_getTimeline($action);
72 // If there's not a timeline on this page,
75 if (empty($timeline)) {
79 $scripts = $this->_getScripts();
81 foreach ($scripts as $script) {
82 $action->script($script);
85 $user = common_current_user();
87 if (!empty($user->id)) {
93 $action->elementStart('script', array('type' => 'text/javascript'));
95 $script = ' $(document).ready(function() { '.
96 $this->_updateInitialize($timeline, $user_id).
99 $action->raw($script);
101 $action->elementEnd('script');
106 function onEndNoticeSave($notice)
110 // XXX: Add other timelines; this is just for the public one
112 if ($notice->is_local ||
113 ($notice->is_local == 0 && !common_config('public', 'localonly'))) {
114 $paths[] = array('public');
117 $tags = $this->getNoticeTags($notice);
120 foreach ($tags as $tag) {
121 $paths[] = array('tag', $tag);
125 if (count($paths) > 0) {
127 $json = $this->noticeAsJson($notice);
131 foreach ($paths as $path) {
132 $timeline = $this->_pathToChannel($path);
133 $this->_publish($timeline, $json);
136 $this->_disconnect();
142 function onStartShowPageNotice($action)
144 $timeline = $this->_getTimeline($action);
145 if (!empty($timeline)) {
146 $base = $action->selfUrl();
147 if (mb_strstr($url, '?')) {
148 $url = $base . '&realtime=1';
150 $url = $base . '?realtime=1';
152 $title = $action->title();
153 $code = "window.open('$url', '$title', 'toolbar=no,resizable=yes,scrollbars=yes,status=yes,height=640,width=575');";
154 $action->element('a', array('href' => $base,
156 'id' => 'realtime_timeline',
157 'title' => _('Pop up')),
164 function onStartShowBody($action)
166 $realtime = $action->boolean('realtime');
171 $action->elementStart('body',
172 (common_current_user()) ? array('id' => $action->trimmed('action'),
173 'class' => 'user_in')
174 : array('id' => $action->trimmed('action')));
175 if (common_logged_in()) {
176 $action->showNoticeForm();
178 $action->showContent();
179 $action->elementEnd('body');
180 return false; // No default processing
183 function noticeAsJson($notice)
185 // FIXME: this code should be abstracted to a neutral third
186 // party, like Notice::asJson(). I'm not sure of the ethics
187 // of refactoring from within a plugin, so I'm just abusing
188 // the TwitterApiAction method. Don't do this unless you're me!
190 require_once(INSTALLDIR.'/lib/twitterapi.php');
192 $act = new TwitterApiAction('/dev/null');
194 $arr = $act->twitter_status_array($notice, true);
195 $arr['url'] = $notice->bestUrl();
196 $arr['html'] = htmlspecialchars($notice->rendered);
197 $arr['source'] = htmlspecialchars($arr['source']);
199 if (!empty($notice->reply_to)) {
200 $reply_to = Notice::staticGet('id', $notice->reply_to);
201 if (!empty($reply_to)) {
202 $arr['in_reply_to_status_url'] = $reply_to->bestUrl();
207 $profile = $notice->getProfile();
208 $arr['user']['profile_url'] = $profile->profileurl;
213 function getNoticeTags($notice)
217 $nt = new Notice_tag();
218 $nt->notice_id = $notice->id;
222 while ($nt->fetch()) {
233 // Push this up to Plugin
235 function log($level, $msg)
237 common_log($level, get_class($this) . ': '.$msg);
240 function _getScripts()
242 return array('plugins/Realtime/realtimeupdate.js',
243 'plugins/Realtime/json2.js');
246 function _updateInitialize($timeline, $user_id)
248 return "RealtimeUpdate.init($user_id, \"$this->replyurl\", \"$this->favorurl\", \"$this->deleteurl\"); ";
255 function _publish($timeline, $json)
259 function _disconnect()
263 function _pathToChannel($path)
268 function _getTimeline($action)
273 switch ($action->trimmed('action')) {
275 $path = array('public');
278 $tag = $action->trimmed('tag');
280 $path = array('tag', $tag);
287 if (!is_null($path)) {
288 $timeline = $this->_pathToChannel($path);