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Side by Side Diff: ash/wm/base_layout_manager.h

Issue 24108003: [Cleanup] Rename WindowSettings to WindowState (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 3 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef ASH_WM_BASE_LAYOUT_MANAGER_H_ 5 #ifndef ASH_WM_BASE_LAYOUT_MANAGER_H_
6 #define ASH_WM_BASE_LAYOUT_MANAGER_H_ 6 #define ASH_WM_BASE_LAYOUT_MANAGER_H_
7 7
8 #include <set> 8 #include <set>
9 9
10 #include "ash/ash_export.h" 10 #include "ash/ash_export.h"
11 #include "ash/shell_observer.h" 11 #include "ash/shell_observer.h"
12 #include "ash/wm/window_settings.h" 12 #include "ash/wm/window_state.h"
13 #include "base/basictypes.h" 13 #include "base/basictypes.h"
14 #include "base/compiler_specific.h" 14 #include "base/compiler_specific.h"
15 #include "ui/aura/client/activation_change_observer.h" 15 #include "ui/aura/client/activation_change_observer.h"
16 #include "ui/aura/layout_manager.h" 16 #include "ui/aura/layout_manager.h"
17 #include "ui/aura/window_observer.h" 17 #include "ui/aura/window_observer.h"
18 #include "ui/base/events/event_handler.h" 18 #include "ui/base/events/event_handler.h"
19 #include "ui/base/ui_base_types.h" 19 #include "ui/base/ui_base_types.h"
20 20
21 namespace aura { 21 namespace aura {
22 class RootWindow; 22 class RootWindow;
23 class Window; 23 class Window;
24 } 24 }
25 25
26 namespace ash { 26 namespace ash {
27 namespace wm {
28 class WindowState;
29 }
30
27 namespace internal { 31 namespace internal {
28 32
29 // BaseLayoutManager is the simplest possible implementation for a window 33 // BaseLayoutManager is the simplest possible implementation for a window
30 // layout manager. It listens for changes to kShowStateKey and resizes the 34 // layout manager. It listens for changes to kShowStateKey and resizes the
31 // window appropriately. Subclasses should be sure to invoke the base class 35 // window appropriately. Subclasses should be sure to invoke the base class
32 // for adding and removing windows, otherwise show state will not be tracked 36 // for adding and removing windows, otherwise show state will not be tracked
33 // properly. 37 // properly.
34 class ASH_EXPORT BaseLayoutManager 38 class ASH_EXPORT BaseLayoutManager
35 : public aura::LayoutManager, 39 : public aura::LayoutManager,
36 public aura::WindowObserver, 40 public aura::WindowObserver,
37 public aura::client::ActivationChangeObserver, 41 public aura::client::ActivationChangeObserver,
38 public ShellObserver, 42 public ShellObserver,
39 public wm::WindowSettings::Observer { 43 public wm::WindowState::Observer {
40 public: 44 public:
41 typedef std::set<aura::Window*> WindowSet; 45 typedef std::set<aura::Window*> WindowSet;
42 46
43 explicit BaseLayoutManager(aura::RootWindow* root_window); 47 explicit BaseLayoutManager(aura::RootWindow* root_window);
44 virtual ~BaseLayoutManager(); 48 virtual ~BaseLayoutManager();
45 49
46 const WindowSet& windows() const { return windows_; } 50 const WindowSet& windows() const { return windows_; }
47 51
48 // Given a |window| and tentative |restore_bounds|, returns new bounds that 52 // Given a |window| and tentative |restore_bounds|, returns new bounds that
49 // ensure that at least a few pixels of the screen background are visible 53 // ensure that at least a few pixels of the screen background are visible
(...skipping 27 matching lines...) Expand all
77 // ash::ShellObserver overrides: 81 // ash::ShellObserver overrides:
78 virtual void OnDisplayWorkAreaInsetsChanged() OVERRIDE; 82 virtual void OnDisplayWorkAreaInsetsChanged() OVERRIDE;
79 83
80 protected: 84 protected:
81 enum AdjustWindowReason { 85 enum AdjustWindowReason {
82 ADJUST_WINDOW_DISPLAY_SIZE_CHANGED, 86 ADJUST_WINDOW_DISPLAY_SIZE_CHANGED,
83 ADJUST_WINDOW_WORK_AREA_INSETS_CHANGED, 87 ADJUST_WINDOW_WORK_AREA_INSETS_CHANGED,
84 }; 88 };
85 89
86 // Invoked from OnWindowPropertyChanged() if |kShowStateKey| changes. 90 // Invoked from OnWindowPropertyChanged() if |kShowStateKey| changes.
87 virtual void ShowStateChanged(aura::Window* window, 91 virtual void ShowStateChanged(wm::WindowState* window_state,
88 ui::WindowShowState last_show_state); 92 ui::WindowShowState last_show_state);
89 93
90 // Adjusts the window's bounds when the display area changes for given 94 // Adjusts the window's bounds when the display area changes for given
91 // window. This happens when the display size, work area insets or 95 // window. This happens when the display size, work area insets or
92 // the display on which the window exists has changed. 96 // the display on which the window exists has changed.
93 // If this is called for a display size change (i.e. |reason| 97 // If this is called for a display size change (i.e. |reason|
94 // is ADJUST_WINDOW_DISPLAY_SIZE_CHANGED), the non-maximized/non-fullscreen 98 // is ADJUST_WINDOW_DISPLAY_SIZE_CHANGED), the non-maximized/non-fullscreen
95 // windows are readjusted to make sure the window is completely within the 99 // windows are readjusted to make sure the window is completely within the
96 // display region. Otherwise, it makes sure at least some parts of the window 100 // display region. Otherwise, it makes sure at least some parts of the window
97 // is on display. 101 // is on display.
98 virtual void AdjustAllWindowsBoundsForWorkAreaChange( 102 virtual void AdjustAllWindowsBoundsForWorkAreaChange(
99 AdjustWindowReason reason); 103 AdjustWindowReason reason);
100 104
101 // Adjusts the sizes of the specific window in respond to a screen change or 105 // Adjusts the sizes of the specific window in respond to a screen change or
102 // display-area size change. 106 // display-area size change.
103 virtual void AdjustWindowBoundsForWorkAreaChange(aura::Window* window, 107 virtual void AdjustWindowBoundsForWorkAreaChange(
104 AdjustWindowReason reason); 108 wm::WindowState* window_state,
109 AdjustWindowReason reason);
105 110
106 aura::RootWindow* root_window() { return root_window_; } 111 aura::RootWindow* root_window() { return root_window_; }
107 112
108 private: 113 private:
109 // Update window bounds based on a change in show state. 114 // Update window bounds based on a change in show state.
110 void UpdateBoundsFromShowState(aura::Window* window); 115 void UpdateBoundsFromShowState(wm::WindowState* controller);
111 116
112 // Set of windows we're listening to. 117 // Set of windows we're listening to.
113 WindowSet windows_; 118 WindowSet windows_;
114 119
115 aura::RootWindow* root_window_; 120 aura::RootWindow* root_window_;
116 121
117 DISALLOW_COPY_AND_ASSIGN(BaseLayoutManager); 122 DISALLOW_COPY_AND_ASSIGN(BaseLayoutManager);
118 }; 123 };
119 124
120 } // namespace internal 125 } // namespace internal
121 } // namespace ash 126 } // namespace ash
122 127
123 #endif // ASH_WM_BASE_LAYOUT_MANAGER_H_ 128 #endif // ASH_WM_BASE_LAYOUT_MANAGER_H_
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