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| 1 // Copyright (c) 2011 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_AURA_SHELL_STATUS_AREA_LAYOUT_MANAGER_H_ | |
| 6 #define UI_AURA_SHELL_STATUS_AREA_LAYOUT_MANAGER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 #include "base/compiler_specific.h" | |
| 11 #include "ui/aura/layout_manager.h" | |
| 12 | |
| 13 namespace aura_shell { | |
| 14 namespace internal { | |
| 15 | |
| 16 class ShelfLayoutManager; | |
| 17 | |
| 18 // StatusAreaLayoutManager is a layout manager responsible for the status area. | |
| 19 // In any case when status area needs relayout it redirects this call to | |
| 20 // ShelfLayoutManager. | |
| 21 class StatusAreaLayoutManager : public aura::LayoutManager { | |
| 22 public: | |
| 23 explicit StatusAreaLayoutManager(ShelfLayoutManager* shelf); | |
| 24 virtual ~StatusAreaLayoutManager(); | |
| 25 | |
| 26 // Overridden from aura::LayoutManager: | |
| 27 virtual void OnWindowResized() OVERRIDE; | |
| 28 virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE; | |
| 29 virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE; | |
| 30 virtual void OnChildWindowVisibilityChanged(aura::Window* child, | |
| 31 bool visible) OVERRIDE; | |
| 32 virtual void SetChildBounds(aura::Window* child, | |
| 33 const gfx::Rect& requested_bounds) OVERRIDE; | |
| 34 | |
| 35 private: | |
| 36 // Updates layout of the status area. Effectively calls ShelfLayoutManager | |
| 37 // to update layout of the shelf. | |
| 38 void LayoutStatusArea(); | |
| 39 | |
| 40 // True when inside LayoutStatusArea method. | |
| 41 // Used to prevent calling itself again from SetChildBounds(). | |
| 42 bool in_layout_; | |
| 43 | |
| 44 ShelfLayoutManager* shelf_; | |
| 45 | |
| 46 DISALLOW_COPY_AND_ASSIGN(StatusAreaLayoutManager); | |
| 47 }; | |
| 48 | |
| 49 } // namespace internal | |
| 50 } // namespace aura_shell | |
| 51 | |
| 52 #endif // UI_AURA_SHELL_STATUS_AREA_LAYOUT_MANAGER_H_ | |
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