A new WM bootstrap flow

mojo/examples/wm_flow/wm/wm.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_delegate.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/window_manager_delegate.h"
+#include "mojo/services/window_manager/window_manager_app.h"
+
+namespace examples {
+
+class SimpleWM : public mojo::ApplicationDelegate,
+                 public mojo::view_manager::ViewManagerDelegate,
+                 public mojo::view_manager::WindowManagerDelegate {
+ public:
+  SimpleWM()
+      : window_manager_app_(new mojo::WindowManagerApp(this)),
+        view_manager_(NULL),
+        root_(NULL),
+        window_container_(NULL),
+        next_window_origin_(10, 10) {}
+  virtual ~SimpleWM() {}
+
+ private:
+  // Overridden from mojo::ApplicationDelegate:
+  virtual void Initialize(mojo::ApplicationImpl* impl) MOJO_OVERRIDE {
+    window_manager_app_->Initialize(impl);
+  }
+  virtual bool ConfigureIncomingConnection(
+      mojo::ApplicationConnection* connection) MOJO_OVERRIDE {
+    window_manager_app_->ConfigureIncomingConnection(connection);
+    return true;
+  }
+
+  // Overridden from mojo::view_manager::ViewManagerDelegate:
+  virtual void OnRootAdded(
+      mojo::view_manager::ViewManager* view_manager,
+      mojo::view_manager::Node* root) MOJO_OVERRIDE {
+    view_manager_ = view_manager;
+    root_ = root;
+    view_manager_->SetWindowManagerDelegate(this);
+
+    window_container_ = mojo::view_manager::Node::Create(view_manager_);
+    window_container_->SetBounds(root_->bounds());
+    root_->AddChild(window_container_);
+
+  }
+  virtual void OnViewManagerDisconnected(
+      mojo::view_manager::ViewManager* view_manager) MOJO_OVERRIDE {
+    view_manager_ = NULL;
+    root_ = NULL;
+  }
+
+  // Overridden from mojo::view_manager::WindowManagerDelegate:
+  virtual void Embed(const mojo::String& url) MOJO_OVERRIDE {
+    mojo::view_manager::Node* embed_node =
+        mojo::view_manager::Node::Create(view_manager_);
+    embed_node->SetBounds(gfx::Rect(next_window_origin_, gfx::Size(400, 400)));
+    window_container_->AddChild(embed_node);
+    embed_node->Embed(url);
+    next_window_origin_.Offset(50, 50);
+  }
+  virtual void DispatchEvent(mojo::view_manager::View* target,
+                             mojo::EventPtr event) MOJO_OVERRIDE {
+    view_manager_->DispatchEvent(target, event.Pass());
+  }
+
+  scoped_ptr<mojo::WindowManagerApp> window_manager_app_;
+
+  mojo::view_manager::ViewManager* view_manager_;
+  mojo::view_manager::Node* root_;
+  mojo::view_manager::Node* window_container_;
+
+  gfx::Point next_window_origin_;
+
+  DISALLOW_COPY_AND_ASSIGN(SimpleWM);
+};
+
+}  // namespace examples
+
+namespace mojo {
+
+// static
+ApplicationDelegate* ApplicationDelegate::Create() {
+  return new examples::SimpleWM;
+}
+
+}  // namespace