mozart: Initial commit of the launcher.

services/ui/launcher/launcher_app.h

+// Copyright 2015 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.
+
+#ifndef SERVICES_UI_LAUNCHER_LAUNCHER_APP_H_
+#define SERVICES_UI_LAUNCHER_LAUNCHER_APP_H_
+
+#include <memory>
+
+#include "mojo/common/tracing_impl.h"
+#include "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/services/native_viewport/interfaces/native_viewport.mojom.h"
+#include "mojo/services/surfaces/interfaces/display.mojom.h"
+#include "mojo/services/ui/views/interfaces/view_provider.mojom.h"
+
+namespace launcher {
+
+class LauncherViewTree;
+
+class LauncherApp : public mojo::ApplicationDelegate,
+                    public mojo::NativeViewportEventDispatcher {
+ public:
+  LauncherApp();
+  ~LauncherApp() override;
+
+ private:
+  // |ApplicationDelegate|:
+  void Initialize(mojo::ApplicationImpl* app) override;
+
+  // |NativeViewportEventDispatcher|:
+  void OnEvent(mojo::EventPtr event,
+               const mojo::Callback<void()>& callback) override;
+
+  void InitViewport();
+  void OnViewportConnectionError();
+  void OnViewportCreated(mojo::ViewportMetricsPtr metrics);
+  void OnViewportMetricsChanged(mojo::ViewportMetricsPtr metrics);
+  void RequestUpdatedViewportMetrics();
+
+  void OnViewManagerConnectionError();
+
+  void LaunchClient(std::string app_url);
+  void OnClientConnectionError();
+  void OnClientViewCreated(mojo::ui::ViewTokenPtr view_token);
+
+  void UpdateClientView();
+
+  mojo::ApplicationImpl* app_impl_;
+  mojo::TracingImpl tracing_;
+
+  mojo::NativeViewportPtr viewport_service_;
+  mojo::Binding<NativeViewportEventDispatcher>
+      viewport_event_dispatcher_binding_;
+
+  std::unique_ptr<LauncherViewTree> view_tree_;
+
+  mojo::ui::ViewProviderPtr client_view_provider_;
+  mojo::ui::ViewTokenPtr client_view_token_;
+
+  DISALLOW_COPY_AND_ASSIGN(LauncherApp);
+};
+
+}  // namespace launcher
+
+#endif  // SERVICES_UI_LAUNCHER_LAUNCHER_APP_H_