1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_
#define ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_
#include <set>
#include "ash/ash_export.h"
#include "ash/shell_observer.h"
#include "ash/wm/window_state_observer.h"
#include "ash/wm/wm_types.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ui/aura/client/activation_change_observer.h"
#include "ui/aura/layout_manager.h"
#include "ui/aura/window_observer.h"
#include "ui/gfx/rect.h"
namespace aura {
class RootWindow;
class Window;
}
namespace ui {
class Layer;
}
namespace ash {
namespace wm {
class WindowState;
class WMEvent;
}
namespace internal {
class ShelfLayoutManager;
// LayoutManager used on the window created for a workspace.
class ASH_EXPORT WorkspaceLayoutManager
: public aura::LayoutManager,
public aura::WindowObserver,
public aura::client::ActivationChangeObserver,
public ShellObserver,
public wm::WindowStateObserver {
public:
explicit WorkspaceLayoutManager(aura::Window* window);
virtual ~WorkspaceLayoutManager();
void SetShelf(internal::ShelfLayoutManager* shelf);
// Overridden from aura::LayoutManager:
virtual void OnWindowResized() OVERRIDE {}
virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE;
virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE;
virtual void OnWindowRemovedFromLayout(aura::Window* child) OVERRIDE;
virtual void OnChildWindowVisibilityChanged(aura::Window* child,
bool visibile) OVERRIDE;
virtual void SetChildBounds(aura::Window* child,
const gfx::Rect& requested_bounds) OVERRIDE;
// ash::ShellObserver overrides:
virtual void OnDisplayWorkAreaInsetsChanged() OVERRIDE;
// Overriden from WindowObserver:
virtual void OnWindowHierarchyChanged(
const WindowObserver::HierarchyChangeParams& params) OVERRIDE;
virtual void OnWindowPropertyChanged(aura::Window* window,
const void* key,
intptr_t old) OVERRIDE;
virtual void OnWindowStackingChanged(aura::Window* window) OVERRIDE;
virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
virtual void OnWindowBoundsChanged(aura::Window* window,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) OVERRIDE;
// aura::client::ActivationChangeObserver overrides:
virtual void OnWindowActivated(aura::Window* gained_active,
aura::Window* lost_active) OVERRIDE;
// WindowStateObserver overrides:
virtual void OnPostWindowStateTypeChange(
wm::WindowState* window_state,
wm::WindowStateType old_type) OVERRIDE;
private:
typedef std::set<aura::Window*> WindowSet;
// Adjusts the bounds of all managed windows when the display area changes.
// This happens when the display size, work area insets has changed.
// If this is called for a display size change (i.e. |event|
// is DISPLAY_RESIZED), the non-maximized/non-fullscreen
// windows are readjusted to make sure the window is completely within the
// display region. Otherwise, it makes sure at least some parts of the window
// is on display.
void AdjustAllWindowsBoundsForWorkAreaChange(const wm::WMEvent* event);
// Updates the visibility state of the shelf.
void UpdateShelfVisibility();
// Updates the fullscreen state of the workspace and notifies Shell if it
// has changed.
void UpdateFullscreenState();
internal::ShelfLayoutManager* shelf_;
aura::Window* window_;
aura::Window* root_window_;
// Set of windows we're listening to.
WindowSet windows_;
// The work area in the coordinates of |window_|.
gfx::Rect work_area_in_parent_;
// True if this workspace is currently in fullscreen mode.
bool is_fullscreen_;
DISALLOW_COPY_AND_ASSIGN(WorkspaceLayoutManager);
};
} // namespace internal
} // namespace ash
#endif // ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_H_
|
