Window Manager service..

mojo/services/window_manager/window_manager_app.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/services/window_manager/window_manager_app.h"
+
+#include "base/message_loop/message_loop.h"
+#include "mojo/aura/aura_init.h"
+#include "mojo/aura/window_tree_host_mojo.h"
+#include "mojo/public/cpp/application/application_connection.h"
+#include "mojo/services/public/cpp/view_manager/node.h"
+#include "mojo/services/public/cpp/view_manager/view_manager.h"
+#include "mojo/services/window_manager/window_manager_service_impl.h"
+#include "ui/wm/core/capture_controller.h"
+
+namespace mojo {
+
+////////////////////////////////////////////////////////////////////////////////
+// WindowManagerApp, public:
+
+WindowManagerApp::WindowManagerApp() : view_manager_(NULL), root_(NULL) {}
+WindowManagerApp::~WindowManagerApp() {}
+
+void WindowManagerApp::AddConnection(WindowManagerServiceImpl* connection) {
+  DCHECK(connections_.find(connection) == connections_.end());
+  connections_.insert(connection);
+}
+
+void WindowManagerApp::RemoveConnection(WindowManagerServiceImpl* connection) {
+  DCHECK(connections_.find(connection) != connections_.end());
+  connections_.erase(connection);
+}
+
+view_manager::Id WindowManagerApp::OpenWindow() {
+  view_manager::Node* node = view_manager::Node::Create(view_manager_);
+  root_->AddChild(node);
+  return node->id();
+}
+
+void WindowManagerApp::SetCapture(view_manager::Id node) {
+  capture_client_->capture_client()->SetCapture(GetWindowForNodeId(node));
+  // TODO(beng): notify connected clients that capture has changed, probably
+  //             by implementing some capture-client observer.
+}
+
+bool WindowManagerApp::IsReady() const {
+  return view_manager_ && root_;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// WindowManagerApp, ApplicationDelegate implementation:
+
+void WindowManagerApp::Initialize(ApplicationImpl* impl) {
+  aura_init_.reset(new AuraInit);
+}
+
+bool WindowManagerApp::ConfigureIncomingConnection(
+    ApplicationConnection* connection) {
+  connection->AddService<WindowManagerServiceImpl>(this);
+  view_manager::ViewManager::ConfigureIncomingConnection(connection, this);
+  return true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// WindowManagerApp, view_manager::ViewManagerDelegate implementation:
+
+void WindowManagerApp::OnRootAdded(view_manager::ViewManager* view_manager,
+                                   view_manager::Node* root) {
+  DCHECK(!view_manager_ && !root_);
+  view_manager_ = view_manager;
+  root_ = root;
+
+  window_tree_host_.reset(new WindowTreeHostMojo(root_, this));
+
+  capture_client_.reset(
+      new wm::ScopedCaptureClient(window_tree_host_->window()));
+
+  // TODO(beng): Create the universe.
+
+  for (Connections::const_iterator it = connections_.begin();
+       it != connections_.end(); ++it) {
+    (*it)->NotifyReady();
+  }
+}
+
+void WindowManagerApp::OnViewManagerDisconnected(
+    view_manager::ViewManager* view_manager) {
+  DCHECK_EQ(view_manager_, view_manager);
+  view_manager_ = NULL;
+  base::MessageLoop::current()->Quit();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// WindowManagerApp, WindowTreeHostMojoDelegate implementation:
+
+void WindowManagerApp::CompositorContentsChanged(const SkBitmap& bitmap) {
+  // We draw nothing.
+  NOTREACHED();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// WindowManagerApp, private:
+
+aura::Window* WindowManagerApp::GetWindowForNodeId(
+    view_manager::Id node) const {
+  NOTIMPLEMENTED();
+  return NULL;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// ApplicationDelegate, public:
+
+// static
+ApplicationDelegate* ApplicationDelegate::Create() {
+  return new WindowManagerApp;
+}
+
+}  // namespace mojo