Shutdown cleanup

mojo/examples/png_viewer/png_viewer.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 
+#include "base/message_loop/message_loop.h"
 #include "base/strings/string_tokenizer.h"
 #include "mojo/examples/media_viewer/media_viewer.mojom.h"
 #include "mojo/public/cpp/application/application_connection.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/services/public/cpp/view_manager/node.h"
 #include "mojo/services/public/cpp/view_manager/types.h"
 #include "mojo/services/public/cpp/view_manager/view.h"
 #include "mojo/services/public/cpp/view_manager/view_manager.h"
 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
 #include "mojo/services/public/interfaces/navigation/navigation.mojom.h"
@@ skipping 142 matching lines @@
 
   // Overridden from view_manager::ViewManagerDelegate:
   virtual void OnRootAdded(view_manager::ViewManager* view_manager,
                            view_manager::Node* root) OVERRIDE {
     content_view_ = view_manager::View::Create(view_manager);
     root->SetActiveView(content_view_);
     content_view_->SetColor(SK_ColorGRAY);
     if (!bitmap_.isNull())
       DrawBitmap();
   }
+  virtual void OnViewManagerDisconnected(
+      view_manager::ViewManager* view_manager) OVERRIDE {
+    base::MessageLoop::current()->Quit();
+  }
 
   void DrawBitmap() {
     if (!content_view_)
       return;
 
     skia::RefPtr<SkCanvas> canvas(skia::AdoptRef(skia::CreatePlatformCanvas(
         content_view_->node()->bounds().width(),
         content_view_->node()->bounds().height(),
         true)));
     canvas->drawColor(SK_ColorGRAY);
@@ skipping 30 matching lines @@
 }
 
 }  // namespace examples
 
 // static
 ApplicationDelegate* ApplicationDelegate::Create() {
   return new examples::PNGViewer;
 }
 
 }  // namespace mojo