/** Implements hook_views_query_alter()
 * Filtering heartbeat tabs' contents on User Profile page
 * @param object $view
 * @param views_plugin_query_default $query
 */
function oak_hacks_views_query_alter(&$view, &$query){
    $view_display_name = "{$view->name}.{$view->current_display}";
    switch ($view_display_name){
        # Filter heartbeat activity!
        case 'profile_user_feed.panel_pane_1':
            # QuickTab provides the argument, we filter
            if (!empty($view->args[1])){
                $query->add_where(1, 'heartbeat_activity.message_id', explode(',', $view->args[1]), 'IN'); # '' or heartbeat template id
                }
            # Filter-out short messages. They're used in Notifications, that's why we filter them on display
            #$query->add_where(1, 'heartbeat_activity.message_id', array('heartbeat_add_node_review'), 'NOT IN');
            break;

        default:
            if (0) # KILLER FEATURE: Hunt-down views
                dsm(array('view' => $view, 'query' => $query), "$view_display_name ({$view->human_name})");
        }
    }