Revert "Delete the ViewManager and WindowManager services."

mojo/services/view_manager/cpp/lib/view_manager_client_impl.h

+// 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.
+
+#ifndef MOJO_SERVICES_VIEW_MANAGER_CPP_LIB_VIEW_MANAGER_CLIENT_IMPL_H_
+#define MOJO_SERVICES_VIEW_MANAGER_CPP_LIB_VIEW_MANAGER_CLIENT_IMPL_H_
+
+#include "mojo/public/cpp/bindings/binding.h"
+#include "view_manager/cpp/types.h"
+#include "view_manager/cpp/view.h"
+#include "view_manager/cpp/view_manager.h"
+#include "view_manager/interfaces/view_manager.mojom.h"
+#include "window_manager/interfaces/window_manager.mojom.h"
+
+namespace mojo {
+class Shell;
+class ViewManager;
+class ViewManagerDelegate;
+class ViewManagerTransaction;
+
+// Manages the connection with the View Manager service.
+class ViewManagerClientImpl : public ViewManager,
+                              public ViewManagerClient,
+                              public WindowManagerObserver {
+ public:
+  ViewManagerClientImpl(ViewManagerDelegate* delegate,
+                        Shell* shell,
+                        InterfaceRequest<ViewManagerClient> request,
+                        bool delete_on_error);
+  ~ViewManagerClientImpl() override;
+
+  bool connected() const { return !!service_; }
+  ConnectionSpecificId connection_id() const { return connection_id_; }
+
+  // API exposed to the view implementations that pushes local changes to the
+  // service.
+  void DestroyView(Id view_id);
+
+  // These methods take TransportIds. For views owned by the current connection,
+  // the connection id high word can be zero. In all cases, the TransportId 0x1
+  // refers to the root view.
+  void AddChild(Id child_id, Id parent_id);
+  void RemoveChild(Id child_id, Id parent_id);
+
+  void Reorder(Id view_id, Id relative_view_id, OrderDirection direction);
+
+  // Returns true if the specified view was created by this connection.
+  bool OwnsView(Id id) const;
+
+  void SetBounds(Id view_id, const Rect& bounds);
+  void SetSurfaceId(Id view_id, SurfaceIdPtr surface_id);
+  void SetFocus(Id view_id);
+  void SetVisible(Id view_id, bool visible);
+  void SetProperty(Id view_id,
+                   const std::string& name,
+                   const std::vector<uint8_t>& data);
+
+  void Embed(const String& url, Id view_id);
+  void Embed(const String& url,
+             Id view_id,
+             InterfaceRequest<ServiceProvider> services,
+             ServiceProviderPtr exposed_services);
+  void Embed(Id view_id, ViewManagerClientPtr client);
+
+  void set_change_acked_callback(const Callback<void(void)>& callback) {
+    change_acked_callback_ = callback;
+  }
+  void ClearChangeAckedCallback() { change_acked_callback_.reset(); }
+
+  // Start/stop tracking views. While tracked, they can be retrieved via
+  // ViewManager::GetViewById.
+  void AddView(View* view);
+  void RemoveView(Id view_id);
+
+  void SetViewManagerService(ViewManagerServicePtr service);
+
+ private:
+  friend class RootObserver;
+
+  typedef std::map<Id, View*> IdToViewMap;
+
+  Id CreateViewOnServer();
+
+  // Overridden from ViewManager:
+  const std::string& GetEmbedderURL() const override;
+  View* GetRoot() override;
+  View* GetViewById(Id id) override;
+  View* GetFocusedView() override;
+  View* CreateView() override;
+
+  // Overridden from ViewManagerClient:
+  void OnEmbed(ConnectionSpecificId connection_id,
+               const String& creator_url,
+               ViewDataPtr root,
+               ViewManagerServicePtr view_manager_service,
+               InterfaceRequest<ServiceProvider> services,
+               ServiceProviderPtr exposed_services,
+               ScopedMessagePipeHandle window_manager_pipe) override;
+  void OnEmbeddedAppDisconnected(Id view_id) override;
+  void OnViewBoundsChanged(Id view_id,
+                           RectPtr old_bounds,
+                           RectPtr new_bounds) override;
+  void OnViewViewportMetricsChanged(ViewportMetricsPtr old_metrics,
+                                    ViewportMetricsPtr new_metrics) override;
+  void OnViewHierarchyChanged(Id view_id,
+                              Id new_parent_id,
+                              Id old_parent_id,
+                              Array<ViewDataPtr> views) override;
+  void OnViewReordered(Id view_id,
+                       Id relative_view_id,
+                       OrderDirection direction) override;
+  void OnViewDeleted(Id view_id) override;
+  void OnViewVisibilityChanged(Id view_id, bool visible) override;
+  void OnViewDrawnStateChanged(Id view_id, bool drawn) override;
+  void OnViewSharedPropertyChanged(Id view_id,
+                                   const String& name,
+                                   Array<uint8_t> new_data) override;
+  void OnViewInputEvent(Id view_id,
+                        EventPtr event,
+                        const Callback<void()>& callback) override;
+  void OnPerformAction(Id view_id,
+                       const String& name,
+                       const Callback<void(bool)>& callback) override;
+
+  // Overridden from WindowManagerObserver:
+  void OnCaptureChanged(Id capture_view_id) override;
+  void OnFocusChanged(Id focused_view_id) override;
+  void OnActiveWindowChanged(Id focused_view_id) override;
+
+  void RootDestroyed(View* root);
+
+  void OnActionCompleted(bool success);
+
+  Callback<void(bool)> ActionCompletedCallback();
+
+  ConnectionSpecificId connection_id_;
+  ConnectionSpecificId next_id_;
+
+  std::string creator_url_;
+
+  Callback<void(void)> change_acked_callback_;
+
+  ViewManagerDelegate* delegate_;
+
+  View* root_;
+
+  IdToViewMap views_;
+
+  View* capture_view_;
+  View* focused_view_;
+  View* activated_view_;
+
+  WindowManagerPtr window_manager_;
+  Binding<WindowManagerObserver> wm_observer_binding_;
+
+  Binding<ViewManagerClient> binding_;
+  ViewManagerServicePtr service_;
+
+  MOJO_DISALLOW_COPY_AND_ASSIGN(ViewManagerClientImpl);
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_VIEW_MANAGER_CPP_LIB_VIEW_MANAGER_CLIENT_IMPL_H_