Revert "Delete the ViewManager and WindowManager services."

services/kiosk_wm/kiosk_wm_controller.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 "services/kiosk_wm/kiosk_wm_controller.h"
+
+#include "services/kiosk_wm/merged_service_provider.h"
+#include "services/window_manager/basic_focus_rules.h"
+#include "services/window_manager/window_manager_root.h"
+
+namespace kiosk_wm {
+
+KioskWMController::KioskWMController(window_manager::WindowManagerRoot* wm_root)
+    : window_manager_root_(wm_root),
+      root_(nullptr),
+      content_(nullptr),
+      navigator_host_(this),
+      weak_factory_(this) {
+  exposed_services_impl_.AddService(this);
+}
+
+KioskWMController::~KioskWMController() {}
+
+base::WeakPtr<KioskWMController> KioskWMController::GetWeakPtr() {
+  return weak_factory_.GetWeakPtr();
+}
+
+void KioskWMController::OnEmbed(
+    mojo::View* root,
+    mojo::InterfaceRequest<mojo::ServiceProvider> services,
+    mojo::ServiceProviderPtr exposed_services) {
+  // KioskWMController does not support being embedded more than once.
+  CHECK(!root_);
+
+  root_ = root;
+  root_->AddObserver(this);
+
+  // Resize to match the Nexus 5 aspect ratio:
+  window_manager_root_->SetViewportSize(gfx::Size(320, 640));
+
+  content_ = root->view_manager()->CreateView();
+  content_->SetBounds(root_->bounds());
+  root_->AddChild(content_);
+  content_->SetVisible(true);
+
+  window_manager_root_->InitFocus(
+      make_scoped_ptr(new window_manager::BasicFocusRules(root_)));
+  window_manager_root_->accelerator_manager()->Register(
+      ui::Accelerator(ui::VKEY_BROWSER_BACK, 0),
+      ui::AcceleratorManager::kNormalPriority, this);
+}
+
+void KioskWMController::Embed(
+    const mojo::String& url,
+    mojo::InterfaceRequest<mojo::ServiceProvider> services,
+    mojo::ServiceProviderPtr exposed_services) {
+  // KioskWMController is embedded in a WindowManagerRoot. WindowManagerRoot
+  // queues pending embed requests while we connect to the ViewManager. This
+  // method should only be called once ::OnEmbed has been called.
+  CHECK(content_);
+
+  merged_service_provider_.reset(
+      new MergedServiceProvider(exposed_services.Pass(), this));
+  content_->Embed(url, services.Pass(),
+                  merged_service_provider_->GetServiceProviderPtr().Pass());
+
+  navigator_host_.RecordNavigation(url);
+}
+
+void KioskWMController::Create(
+    mojo::ApplicationConnection* connection,
+    mojo::InterfaceRequest<mojo::NavigatorHost> request) {
+  navigator_host_.Bind(request.Pass());
+}
+
+void KioskWMController::OnViewManagerDisconnected(
+    mojo::ViewManager* view_manager) {
+  root_ = nullptr;
+  delete this;
+}
+
+void KioskWMController::OnViewDestroyed(mojo::View* view) {
+  view->RemoveObserver(this);
+}
+
+void KioskWMController::OnViewBoundsChanged(mojo::View* view,
+                                            const mojo::Rect& old_bounds,
+                                            const mojo::Rect& new_bounds) {
+  content_->SetBounds(new_bounds);
+}
+
+// Convenience method:
+void KioskWMController::ReplaceContentWithURL(const mojo::String& url) {
+  Embed(url, nullptr, nullptr);
+}
+
+bool KioskWMController::AcceleratorPressed(const ui::Accelerator& accelerator,
+                                           mojo::View* target) {
+  if (accelerator.key_code() != ui::VKEY_BROWSER_BACK)
+    return false;
+  navigator_host_.RequestNavigateHistory(-1);
+  return true;
+}
+
+bool KioskWMController::CanHandleAccelerators() const {
+  return true;
+}
+
+}  // namespace kiosk_wm