private function renderWatchAction(PhabricatorProject $project)
 {
     $viewer = $this->getViewer();
     $id = $project->getID();
     if (!$viewer->isLoggedIn()) {
         $is_watcher = false;
         $is_ancestor = false;
     } else {
         $viewer_phid = $viewer->getPHID();
         $is_watcher = $project->isUserWatcher($viewer_phid);
         $is_ancestor = $project->isUserAncestorWatcher($viewer_phid);
     }
     if ($is_ancestor && !$is_watcher) {
         $watch_icon = 'fa-eye';
         $watch_text = pht('Watching Ancestor');
         $watch_href = "/project/watch/{$id}/?via=profile";
         $watch_disabled = true;
     } else {
         if (!$is_watcher) {
             $watch_icon = 'fa-eye';
             $watch_text = pht('Watch Project');
             $watch_href = "/project/watch/{$id}/?via=profile";
             $watch_disabled = false;
         } else {
             $watch_icon = 'fa-eye-slash';
             $watch_text = pht('Unwatch Project');
             $watch_href = "/project/unwatch/{$id}/?via=profile";
             $watch_disabled = false;
         }
     }
     $watch_icon = id(new PHUIIconView())->setIcon($watch_icon);
     return id(new PHUIButtonView())->setTag('a')->setWorkflow(true)->setIcon($watch_icon)->setText($watch_text)->setHref($watch_href)->setDisabled($watch_disabled);
 }
 private function renderWatchAction(PhabricatorProject $project)
 {
     $viewer = $this->getViewer();
     $viewer_phid = $viewer->getPHID();
     $id = $project->getID();
     $is_watcher = $viewer_phid && $project->isUserWatcher($viewer_phid);
     if (!$is_watcher) {
         $watch_icon = 'fa-eye';
         $watch_text = pht('Watch Project');
         $watch_href = "/project/watch/{$id}/?via=profile";
     } else {
         $watch_icon = 'fa-eye-slash';
         $watch_text = pht('Unwatch Project');
         $watch_href = "/project/unwatch/{$id}/?via=profile";
     }
     $watch_icon = id(new PHUIIconView())->setIcon($watch_icon);
     return id(new PHUIButtonView())->setTag('a')->setWorkflow(true)->setIcon($watch_icon)->setText($watch_text)->setHref($watch_href);
 }