Hook/TopBar: Rework interface for monitoring top bar

refs #6929

application/controllers/LayoutController.php

@@ -31,11 +31,11 @@ class LayoutController extends ActionController
     {
         $topbarHtmlParts = array();
 
-        /** @var Hook\Layout\TopBar $hook */
+        /** @var Hook\TopBarHook $hook */
         $hook = null;
 
         foreach (Hook::all('TopBar') as $hook) {
-            $topbarHtmlParts[] = $hook->getHtml($this->getRequest(), $this->view);
+            $topbarHtmlParts[] = $hook->getHtml($this->getRequest());
         }
 
         $this->view->topbarHtmlParts = $topbarHtmlParts;

library/Icinga/Web/Hook/TopBarHook.php

@@ -10,15 +10,14 @@ use Zend_View;
 /**
  * Hook to extend topbar items
  */
-abstract class TopBarHook
+abstract class TopBarHook extends WebBaseHook
 {
     /**
      * Function to generate top bar content
      *
      * @param   Request     $request
-     * @param   Zend_View   $view
      *
      * @return  string
      */
-    abstract public function getHtml($request, $view);
+    abstract public function getHtml($request);
 }

modules/monitoring/library/Monitoring/Web/Hook/TopBar.php

@@ -18,11 +18,10 @@ class TopBar extends TopBarHook
      * Function to generate top bar content
      *
      * @param   Request $request
-     * @param   Zend_View $view
      *
      * @return  string
      */
-    public function getHtml($request, $view)
+    public function getHtml($request)
     {
         $hostSummary = StatusSummaryView::fromRequest(
             $request,
@@ -50,7 +49,7 @@ class TopBar extends TopBarHook
             )
         )->getQuery()->fetchRow();
 
-        return $view->partial(
+        return $this->getView()->partial(
             'layout/topbar.phtml',
             'monitoring',
             array(