Move mus to //services/ui

components/mus/ws/window_manager_window_tree_factory_set.h

-// Copyright 2016 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 COMPONENTS_MUS_WS_WINDOW_MANAGER_WINDOW_TREE_FACTORY_SET_H_
-#define COMPONENTS_MUS_WS_WINDOW_MANAGER_WINDOW_TREE_FACTORY_SET_H_
-
-#include <stdint.h>
-
-#include <memory>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/observer_list.h"
-#include "components/mus/public/interfaces/window_manager_window_tree_factory.mojom.h"
-#include "components/mus/ws/user_id_tracker_observer.h"
-
-namespace mus {
-namespace ws {
-
-class UserIdTracker;
-class WindowManagerState;
-class WindowManagerWindowTreeFactory;
-class WindowManagerWindowTreeFactorySetObserver;
-class WindowServer;
-class WindowTree;
-
-namespace test {
-class WindowManagerWindowTreeFactorySetTestApi;
-}
-
-// WindowManagerWindowTreeFactorySet tracks the set of registered
-// WindowManagerWindowTreeHostFactories.
-class WindowManagerWindowTreeFactorySet : public UserIdTrackerObserver {
- public:
-  WindowManagerWindowTreeFactorySet(WindowServer* window_server,
-                                    UserIdTracker* tracker);
-  ~WindowManagerWindowTreeFactorySet() override;
-
-  WindowServer* window_server() { return window_server_; }
-
-  // Creates a new WindowManagerWindowTreeFactory for the specified user,
-  // unless one has been set, in which case the call is ignored. The newly
-  // created WindowManagerWindowTreeFactory does not immediately have a
-  // WindowTree associated with it.
-  WindowManagerWindowTreeFactory* Add(
-      const UserId& user_id,
-      mojo::InterfaceRequest<mojom::WindowManagerWindowTreeFactory> request);
-
-  // Returns the WindowManagerState for the specified user, or null if
-  // not yet set.
-  WindowManagerState* GetWindowManagerStateForUser(const UserId& user_id);
-
-  // Deletes the WindowManagerWindowTreeFactory associated with |tree|. Does
-  // nothing if there is no WindowManagerWindowTreeFactory associated with
-  // |tree|.
-  void DeleteFactoryAssociatedWithTree(WindowTree* tree);
-
-  // Returns all the factories, even those that may not have a WindowTree
-  // associated with them.
-  std::vector<WindowManagerWindowTreeFactory*> GetFactories();
-
-  void AddObserver(WindowManagerWindowTreeFactorySetObserver* observer);
-  void RemoveObserver(WindowManagerWindowTreeFactorySetObserver* observer);
-
- private:
-  friend class WindowManagerWindowTreeFactory;
-  friend class test::WindowManagerWindowTreeFactorySetTestApi;
-
-  // Called by WindowManagerWindowTreeFactory when CreateWindowTree() has
-  // been called.
-  void OnWindowManagerWindowTreeFactoryReady(
-      WindowManagerWindowTreeFactory* factory);
-
-  // UserIdTrackerObserver:
-  void OnUserIdRemoved(const UserId& id) override;
-
-  // Set to true the first time a valid factory has been found.
-  bool got_valid_factory_ = false;
-  UserIdTracker* id_tracker_;
-  WindowServer* window_server_;
-
-  std::map<UserId, std::unique_ptr<WindowManagerWindowTreeFactory>> factories_;
-
-  base::ObserverList<WindowManagerWindowTreeFactorySetObserver> observers_;
-
-  DISALLOW_COPY_AND_ASSIGN(WindowManagerWindowTreeFactorySet);
-};
-
-}  // namespace ws
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_WS_WINDOW_MANAGER_WINDOW_TREE_FACTORY_SET_H_