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 $this->repeaturl = common_local_url('repeat');
63 // FIXME: need to find a better way to pass this pattern in
64 $this->deleteurl = common_local_url('deletenotice',
65 array('notice' => '0000000000'));
69 function onEndShowScripts($action)
71 $timeline = $this->_getTimeline($action);
73 // If there's not a timeline on this page,
76 if (empty($timeline)) {
80 $base = $action->selfUrl();
81 if (mb_strstr($base, '?')) {
82 $url = $base . '&realtime=1';
84 $url = $base . '?realtime=1';
87 $scripts = $this->_getScripts();
89 foreach ($scripts as $script) {
90 $action->script($script);
93 $user = common_current_user();
95 if (!empty($user->id)) {
101 if ($action->boolean('realtime')) {
102 $realtimeUI = ' RealtimeUpdate.initPopupWindow();';
105 $pluginPath = common_path('plugins/Realtime/');
106 $realtimeUI = ' RealtimeUpdate.initActions("'.$url.'", "'.$timeline.'", "'. $pluginPath .'");';
109 $i18n = $this->_getMessages();
110 $script = ' $(document).ready(function() { '.
111 'RealtimeUpdate._messages=' . json_encode($i18n) . ';' .
113 $this->_updateInitialize($timeline, $user_id).
115 $action->inlineScript($script);
120 function onEndShowStatusNetStyles($action)
122 $action->cssLink('plugins/Realtime/realtimeupdate.css',
123 null, 'screen, projection, tv');
127 function onHandleQueuedNotice($notice)
131 // Add to the author's timeline
133 $user = User::staticGet('id', $notice->profile_id);
136 $paths[] = array('showstream', $user->nickname);
139 // Add to the public timeline
141 if ($notice->is_local == Notice::LOCAL_PUBLIC ||
142 ($notice->is_local == Notice::REMOTE_OMB && !common_config('public', 'localonly'))) {
143 $paths[] = array('public');
146 // Add to the tags timeline
148 $tags = $this->getNoticeTags($notice);
151 foreach ($tags as $tag) {
152 $paths[] = array('tag', $tag);
156 // Add to inbox timelines
159 $ni = $notice->whoGets();
161 foreach (array_keys($ni) as $user_id) {
162 $user = User::staticGet('id', $user_id);
163 $paths[] = array('all', $user->nickname);
166 // Add to the replies timeline
168 $reply = new Reply();
169 $reply->notice_id = $notice->id;
171 if ($reply->find()) {
172 while ($reply->fetch()) {
173 $user = User::staticGet('id', $reply->profile_id);
175 $paths[] = array('replies', $user->nickname);
180 // Add to the group timeline
183 $gi = new Group_inbox();
184 $gi->notice_id = $notice->id;
187 while ($gi->fetch()) {
188 $ug = User_group::staticGet('id', $gi->group_id);
189 $paths[] = array('showgroup', $ug->nickname);
193 if (count($paths) > 0) {
195 $json = $this->noticeAsJson($notice);
199 foreach ($paths as $path) {
200 $timeline = $this->_pathToChannel($path);
201 $this->_publish($timeline, $json);
204 $this->_disconnect();
210 function onStartShowBody($action)
212 $realtime = $action->boolean('realtime');
217 $action->elementStart('body',
218 (common_current_user()) ? array('id' => $action->trimmed('action'),
219 'class' => 'user_in realtime-popup')
220 : array('id' => $action->trimmed('action'),
221 'class'=> 'realtime-popup'));
223 // XXX hack to deal with JS that tries to get the
224 // root url from page output
226 $action->elementStart('address');
227 $action->element('a', array('class' => 'url',
228 'href' => common_local_url('public')),
230 $action->elementEnd('address');
232 if (common_logged_in()) {
233 $action->showNoticeForm();
236 $action->showContentBlock();
237 $action->showScripts();
238 $action->elementEnd('body');
239 return false; // No default processing
242 function noticeAsJson($notice)
244 // FIXME: this code should be abstracted to a neutral third
245 // party, like Notice::asJson(). I'm not sure of the ethics
246 // of refactoring from within a plugin, so I'm just abusing
247 // the ApiAction method. Don't do this unless you're me!
249 $act = new ApiAction('/dev/null');
251 $arr = $act->twitterStatusArray($notice, true);
252 $arr['url'] = $notice->bestUrl();
253 $arr['html'] = htmlspecialchars($notice->rendered);
254 $arr['source'] = htmlspecialchars($arr['source']);
255 $arr['conversation_url'] = $this->getConversationUrl($notice);
257 $profile = $notice->getProfile();
258 $arr['user']['profile_url'] = $profile->profileurl;
260 // Add needed repeat data
262 if (!empty($notice->repeat_of)) {
263 $original = Notice::staticGet('id', $notice->repeat_of);
264 if (!empty($original)) {
265 $arr['retweeted_status']['url'] = $original->bestUrl();
266 $arr['retweeted_status']['html'] = htmlspecialchars($original->rendered);
267 $arr['retweeted_status']['source'] = htmlspecialchars($original->source);
268 $originalProfile = $original->getProfile();
269 $arr['retweeted_status']['user']['profile_url'] = $originalProfile->profileurl;
270 $arr['retweeted_status']['conversation_url'] = $this->getConversationUrl($original);
278 function getNoticeTags($notice)
282 $nt = new Notice_tag();
283 $nt->notice_id = $notice->id;
287 while ($nt->fetch()) {
298 function getConversationUrl($notice)
302 if ($notice->hasConversation()) {
303 $conv = Conversation::staticGet(
305 $notice->conversation
307 $convurl = $conv->uri;
309 if(empty($convurl)) {
311 "Couldn't find Conversation ID %d to make 'in context'"
312 . "link for Notice ID %d",
313 $notice->conversation,
317 common_log(LOG_WARNING, $msg);
319 $convurl .= '#notice-' . $notice->id;
326 function _getScripts()
328 return array('plugins/Realtime/realtimeupdate.js');
332 * Any i18n messages that need to be loaded at runtime.
333 * @return array of string key to output text string pairs
335 function _getMessages()
338 // TRANS: Text label for realtime view "play" button, usually replaced by an icon.
339 'play' => _m('BUTTON', 'Play'),
340 // TRANS: Tooltip for realtime view "play" button.
341 'play_tooltip' => _m('TOOLTIP', 'Play'),
342 // TRANS: Text label for realtime view "pause" button
343 'pause' => _m('BUTTON', 'Pause'),
344 // TRANS: Tooltip for realtime view "pause" button
345 'pause_tooltip' => _m('TOOLTIP', 'Pause'),
346 // TRANS: Text label for realtime view "popup" button, usually replaced by an icon.
347 'popup' => _m('BUTTON', 'Pop up'),
348 // TRANS: Tooltip for realtime view "popup" button.
349 'popup_tooltip' => _m('TOOLTIP', 'Pop up in a window'),
353 function _updateInitialize($timeline, $user_id)
355 return "RealtimeUpdate.init($user_id, \"$this->replyurl\", \"$this->favorurl\", \"$this->repeaturl\", \"$this->deleteurl\"); ";
362 function _publish($timeline, $json)
366 function _disconnect()
370 function _pathToChannel($path)
375 function _getTimeline($action)
380 $action_name = $action->trimmed('action');
382 switch ($action_name) {
384 $path = array('public');
387 $tag = $action->trimmed('tag');
389 $path = array('tag', $tag);
396 $nickname = common_canonical_nickname($action->trimmed('nickname'));
397 if (!empty($nickname)) {
398 $path = array($action_name, $nickname);
406 $timeline = $this->_pathToChannel($path);