1 // Copyright (c) 2012 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 ASH_WM_STATUS_AREA_LAYOUT_MANAGER_H_ 6 #define ASH_WM_STATUS_AREA_LAYOUT_MANAGER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/compiler_specific.h" 10 #include "ui/aura/layout_manager.h" 11 12 namespace ash { 13 class ShelfWidget; 14 15 // StatusAreaLayoutManager is a layout manager responsible for the status area. 16 // In any case when status area needs relayout it redirects this call to 17 // ShelfLayoutManager. 18 class StatusAreaLayoutManager : public aura::LayoutManager { 19 public: 20 explicit StatusAreaLayoutManager(ShelfWidget* shelf); 21 virtual ~StatusAreaLayoutManager(); 22 23 // Overridden from aura::LayoutManager: 24 virtual void OnWindowResized() OVERRIDE; 25 virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE; 26 virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE; 27 virtual void OnWindowRemovedFromLayout(aura::Window* child) OVERRIDE; 28 virtual void OnChildWindowVisibilityChanged(aura::Window* child, 29 bool visible) OVERRIDE; 30 virtual void SetChildBounds(aura::Window* child, 31 const gfx::Rect& requested_bounds) OVERRIDE; 32 33 private: 34 // Updates layout of the status area. Effectively calls ShelfLayoutManager 35 // to update layout of the shelf. 36 void LayoutStatusArea(); 37 38 // True when inside LayoutStatusArea method. 39 // Used to prevent calling itself again from SetChildBounds(). 40 bool in_layout_; 41 42 ShelfWidget* shelf_; 43 44 DISALLOW_COPY_AND_ASSIGN(StatusAreaLayoutManager); 45 }; 46 47 } // namespace ash 48 49 #endif // ASH_WM_STATUS_AREA_LAYOUT_MANAGER_H_ 50
