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| 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_COMPACT_LAYOUT_MANAGER_H_ | |
| 6 #define ASH_WM_COMPACT_LAYOUT_MANAGER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include "ash/ash_export.h" | |
| 10 #include "ash/wm/base_layout_manager.h" | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "base/gtest_prod_util.h" | |
| 14 #include "ui/gfx/compositor/layer_animation_observer.h" | |
| 15 | |
| 16 namespace views { | |
| 17 class Widget; | |
| 18 } | |
| 19 | |
| 20 namespace ash { | |
| 21 namespace internal { | |
| 22 | |
| 23 // CompactLayoutManager is the LayoutManager used in compact window mode, | |
| 24 // which emulates the traditional Chrome OS window manager. Windows are always | |
| 25 // maximized, fill the screen, and only one tabbed browser window is visible at | |
| 26 // a time. The status area appears in the top-right corner of the screen. | |
| 27 class ASH_EXPORT CompactLayoutManager : public BaseLayoutManager, | |
| 28 public ui::ImplicitAnimationObserver { | |
| 29 public: | |
| 30 CompactLayoutManager(); | |
| 31 virtual ~CompactLayoutManager(); | |
| 32 | |
| 33 void set_status_area_widget(views::Widget* widget) { | |
| 34 status_area_widget_ = widget; | |
| 35 } | |
| 36 | |
| 37 // LayoutManager overrides: | |
| 38 virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE; | |
| 39 virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE; | |
| 40 virtual void OnChildWindowVisibilityChanged(aura::Window* child, | |
| 41 bool visibile) OVERRIDE; | |
| 42 virtual void SetChildBounds(aura::Window* child, | |
| 43 const gfx::Rect& requested_bounds) OVERRIDE; | |
| 44 | |
| 45 // aura::WindowObserver overrides: | |
| 46 virtual void OnWindowPropertyChanged(aura::Window* window, | |
| 47 const void* key, | |
| 48 intptr_t old) OVERRIDE; | |
| 49 virtual void OnWindowStackingChanged(aura::Window* window) OVERRIDE; | |
| 50 | |
| 51 // ui::LayerAnimationObserver overrides: | |
| 52 virtual void OnImplicitAnimationsCompleted() OVERRIDE; | |
| 53 | |
| 54 private: | |
| 55 FRIEND_TEST_ALL_PREFIXES(CompactLayoutManagerTest, TransitionTest); | |
| 56 FRIEND_TEST_ALL_PREFIXES(CompactLayoutManagerTest, CloseAllWindows); | |
| 57 | |
| 58 // Hides the status area if we are managing it and full screen windows are | |
| 59 // visible. | |
| 60 void UpdateStatusAreaVisibility(); | |
| 61 | |
| 62 // Start a slide in / out animation sequence for the layer. | |
| 63 // The underlying layer is translated to -|offset_x| position. | |
| 64 void AnimateSlideTo(int offset_x); | |
| 65 | |
| 66 // Layout all browser windows currently in the window cycle list. | |
| 67 // skip |skip_this_window| if we do not want the window to be laid out. | |
| 68 void LayoutWindows(aura::Window* skip_this_window); | |
| 69 | |
| 70 // Hides all but the |current_window_| in the windows list. If we | |
| 71 // cannot determine the |current_window_|, we do not hide any. | |
| 72 void HideWindows(); | |
| 73 | |
| 74 // Returns the next window after |window| in the window cycle list. | |
| 75 // This could return NULL if we cannot find a next window. | |
| 76 aura::Window* FindReplacementWindow(aura::Window* window); | |
| 77 | |
| 78 // Switches to a replacement window of |current_window_|. | |
| 79 void SwitchToReplacementWindow(); | |
| 80 | |
| 81 // Status area with clock, network, battery, etc. icons. May be NULL if the | |
| 82 // shelf is managing the status area. | |
| 83 views::Widget* status_area_widget_; | |
| 84 | |
| 85 // The browser window currently in the viewport. | |
| 86 aura::Window* current_window_; | |
| 87 | |
| 88 DISALLOW_COPY_AND_ASSIGN(CompactLayoutManager); | |
| 89 }; | |
| 90 | |
| 91 } // namespace ash | |
| 92 } // namespace internal | |
| 93 | |
| 94 #endif // ASH_WM_COMPACT_LAYOUT_MANAGER_H_ | |
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