+class PublicAction extends Action
+{
+ /**
+ * page of the stream we're on; default = 1
+ */
+
+ var $page = null;
+
+ function isReadOnly()
+ {
+ return true;
+ }
+
+ /**
+ * Read and validate arguments
+ *
+ * @param array $args URL parameters
+ *
+ * @return boolean success value
+ */
+
+ function prepare($args)
+ {
+ parent::prepare($args);
+ $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
+
+ common_set_returnto($this->selfUrl());
+
+ return true;
+ }
+
+ /**
+ * handle request
+ *
+ * Show the public stream, using recipe method showPage()
+ *
+ * @param array $args arguments, mostly unused
+ *
+ * @return void
+ */
+
+ function handle($args)
+ {
+ parent::handle($args);
+
+ header('X-XRDS-Location: '. common_local_url('publicxrds'));
+
+ $this->showPage();
+ }
+
+ /**
+ * Title of the page
+ *
+ * @return page title, including page number if over 1
+ */
+
+ function title()
+ {
+ if ($this->page > 1) {
+ return sprintf(_('Public timeline, page %d'), $this->page);
+ } else {
+ return _('Public timeline');
+ }
+ }
+
+ /**
+ * Output <head> elements for RSS and Atom feeds
+ *
+ * @return void
+ */
+
+ function getFeeds()
+ {
+ return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
+ _('Public Stream Feed (RSS 1.0)')),
+ new Feed(Feed::RSS2,
+ common_local_url('api',
+ array('apiaction' => 'statuses',
+ 'method' => 'public_timeline.rss')),
+ _('Public Stream Feed (RSS 2.0)')),
+ new Feed(Feed::ATOM,
+ common_local_url('api',
+ array('apiaction' => 'statuses',
+ 'method' => 'public_timeline.atom')),
+ _('Public Stream Feed (Atom)')));
+ }
+
+ /**
+ * Extra head elements
+ *
+ * We include a <meta> element linking to the publicxrds page, for OpenID
+ * client-side authentication.
+ *
+ * @return void
+ */
+
+ function extraHead()
+ {
+ // for client side of OpenID authentication
+ $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
+ 'content' => common_local_url('publicxrds')));
+ }
+
+ /**
+ * Show tabset for this page
+ *
+ * Uses the PublicGroupNav widget
+ *
+ * @return void
+ * @see PublicGroupNav
+ */
+
+ function showLocalNav()
+ {
+ $nav = new PublicGroupNav($this);
+ $nav->show();
+ }
+
+ /**
+ * Fill the content area
+ *
+ * Shows a list of the notices in the public stream, with some pagination
+ * controls.
+ *
+ * @return void
+ */
+
+ function showContent()
+ {
+ $notice = Notice::publicStream(($this->page-1)*NOTICES_PER_PAGE,
+ NOTICES_PER_PAGE + 1);
+
+ if (!$notice) {
+ $this->serverError(_('Could not retrieve public stream.'));
+ return;
+ }
+
+ $nl = new NoticeList($notice, $this);
+
+ $cnt = $nl->show();
+
+ $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
+ $this->page, 'public');
+ }
+
+ function showSections()
+ {
+ // $top = new TopPostersSection($this);
+ // $top->show();
+ $pop = new PopularNoticeSection($this);
+ $pop->show();
+ $gbp = new GroupsByPostsSection($this);
+ $gbp->show();
+ $feat = new FeaturedUsersSection($this);
+ $feat->show();
+ }
+
+ function showAnonymousMessage()
+ {
+ $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
+ 'based on the Free Software [Laconica](http://laconi.ca/) tool. ' .
+ '[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ([Read more](%%doc.help%%))');
+ $this->elementStart('div', array('id' => 'anon_notice'));
+ $this->raw(common_markup_to_html($m));
+ $this->elementEnd('div');
+ }