Launching + Views

mojo/examples/html_viewer/html_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 "mojo/public/cpp/application/application.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/cpp/view_manager/view_manager_types.h"
+#include "mojo/services/public/cpp/view_manager/view_tree_node.h"
 #include "mojo/services/public/interfaces/launcher/launcher.mojom.h"
 
 namespace mojo {
 namespace examples {
 
 class HTMLViewer;
 
 class LaunchableConnection : public InterfaceImpl<launcher::Launchable> {
  public:
-  LaunchableConnection() {}
+  explicit LaunchableConnection(HTMLViewer* viewer) : viewer_(viewer) {}
   virtual ~LaunchableConnection() {}
 
  private:
   // Overridden from launcher::Launchable:
   virtual void OnLaunch(
       URLResponsePtr response,
-      ScopedDataPipeConsumerHandle response_body_stream) MOJO_OVERRIDE {
+      ScopedDataPipeConsumerHandle response_body_stream,
+      view_manager::Id node_id) MOJO_OVERRIDE {
     printf("In HTMLViewer, rendering url: %s\n", response->url.data());
     printf("HTML: \n");
     for (;;) {
       char buf[512];
       uint32_t num_bytes = sizeof(buf);
       MojoResult result = ReadDataRaw(
           response_body_stream.get(),
           buf,
           &num_bytes,
           MOJO_READ_DATA_FLAG_NONE);
       if (result == MOJO_RESULT_SHOULD_WAIT) {
         Wait(response_body_stream.get(),
              MOJO_WAIT_FLAG_READABLE,
              MOJO_DEADLINE_INDEFINITE);
       } else if (result == MOJO_RESULT_OK) {
         fwrite(buf, num_bytes, 1, stdout);
       } else {
         break;
       }
     }
     printf("\n>>>> EOF <<<<\n\n");
+
+    UpdateView();
   }
+
+  void UpdateView();
+
+  HTMLViewer* viewer_;
+
+  DISALLOW_COPY_AND_ASSIGN(LaunchableConnection);
 };
 
-class HTMLViewer : public Application {
+class HTMLViewer : public Application,
+                   public view_manager::ViewManagerDelegate  {
  public:
-  HTMLViewer() {}
+  HTMLViewer() : content_view_(NULL) {}
   virtual ~HTMLViewer() {}
 
  private:
+  friend class LaunchableConnection;
+
   // Overridden from Application:
-  virtual void Initialize() MOJO_OVERRIDE {
-    AddService<LaunchableConnection>();
+  virtual void Initialize() OVERRIDE {
+    AddService<LaunchableConnection>(this);
+    view_manager::ViewManager::Create(this, this);
   }
+
+  // Overridden from view_manager::ViewManagerDelegate:
+  virtual void OnRootAdded(view_manager::ViewManager* view_manager,
+                           view_manager::ViewTreeNode* root) OVERRIDE {
+    content_view_ = view_manager::View::Create(view_manager);
+    root->SetActiveView(content_view_);
+    content_view_->SetColor(SK_ColorRED);
+  }
+
+  view_manager::View* content_view_;
+
+  DISALLOW_COPY_AND_ASSIGN(HTMLViewer);
 };
 
+void LaunchableConnection::UpdateView() {
+  viewer_->content_view_->SetColor(SK_ColorGREEN);
+}
+
 }
 
 // static
 Application* Application::Create() {
   return new examples::HTMLViewer;
 }
 
 }