| // Copyright 2018 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 ASH_SHELL_STATE_H_ |
| #define ASH_SHELL_STATE_H_ |
| |
| #include <stdint.h> |
| |
| #include "ash/ash_export.h" |
| #include "base/macros.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace ash { |
| |
| // TODO(jamescook): Move |root_window_for_new_windows_| to Shell and delete |
| // this class. |
| class ASH_EXPORT ShellState { |
| public: |
| ShellState(); |
| ~ShellState(); |
| |
| // Returns the root window that newly created windows should be added to. |
| // Value can be temporarily overridden using ScopedRootWindowForNewWindows. |
| // NOTE: This returns the root; newly created windows should be added to the |
| // appropriate container in the returned window. |
| aura::Window* GetRootWindowForNewWindows() const; |
| |
| // Updates the root window and notifies observers. |
| // NOTE: Prefer ScopedRootWindowForNewWindows. |
| void SetRootWindowForNewWindows(aura::Window* root); |
| |
| private: |
| friend class ScopedRootWindowForNewWindows; |
| |
| // Sends a state update to all clients. |
| void NotifyAllClients(); |
| |
| int64_t GetDisplayIdForNewWindows() const; |
| |
| // Sets the value and updates clients. |
| void SetScopedRootWindowForNewWindows(aura::Window* root); |
| |
| aura::Window* root_window_for_new_windows_ = nullptr; |
| |
| // See ScopedRootWindowForNewWindows. |
| aura::Window* scoped_root_window_for_new_windows_ = nullptr; |
| |
| DISALLOW_COPY_AND_ASSIGN(ShellState); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SHELL_STATE_H_ |