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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef UI_WM_CORE_TRANSIENT_WINDOW_STACKING_CLIENT_H_ | |
| 6 #define UI_WM_CORE_TRANSIENT_WINDOW_STACKING_CLIENT_H_ | |
| 7 | |
| 8 #include "ui/aura/client/window_stacking_client.h" | |
| 9 #include "ui/wm/wm_export.h" | |
| 10 | |
| 11 namespace wm { | |
| 12 | |
| 13 class TransientWindowManager; | |
| 14 | |
| 15 class WM_EXPORT TransientWindowStackingClient | |
| 16 : public aura::client::WindowStackingClient { | |
| 17 public: | |
| 18 TransientWindowStackingClient(); | |
| 19 virtual ~TransientWindowStackingClient(); | |
| 20 | |
| 21 // WindowStackingClient: | |
| 22 virtual bool AdjustStacking(aura::Window** child, | |
| 23 aura::Window** target, | |
| 24 aura::Window::StackDirection* direction) override; | |
| 25 | |
| 26 private: | |
| 27 // Purely for DCHECKs. | |
| 28 friend class TransientWindowManager; | |
| 29 | |
| 30 static TransientWindowStackingClient* instance_; | |
| 31 | |
| 32 DISALLOW_COPY_AND_ASSIGN(TransientWindowStackingClient); | |
| 33 }; | |
| 34 | |
| 35 } // namespace wm | |
| 36 | |
| 37 #endif // UI_WM_CORE_TRANSIENT_WINDOW_STACKING_CLIENT_H_ | |
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