| // 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 ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_BACKDROP_DELEGATE_H_ |
| #define ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_BACKDROP_DELEGATE_H_ |
| |
| #include "ash/ash_export.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace ash { |
| |
| // A delegate which can be set to create and control a backdrop which gets |
| // placed below the top level window. |
| class ASH_EXPORT BackdropDelegate { |
| public: |
| virtual ~BackdropDelegate() {} |
| |
| // Returns true if |window| should have a backdrop. |
| virtual bool HasBackdrop(aura::Window* window) = 0; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_BACKDROP_DELEGATE_H_ |