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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 #include "ash/wm/ash_focus_rules.h" | 5 #include "ash/wm/ash_focus_rules.h" |
6 | 6 |
7 #include "ash/shell.h" | 7 #include "ash/shell.h" |
8 #include "ash/shell_window_ids.h" | 8 #include "ash/shell_window_ids.h" |
9 #include "ash/wm/window_state.h" | 9 #include "ash/wm/window_state.h" |
10 #include "ui/aura/window.h" | 10 #include "ui/aura/window.h" |
11 | 11 |
12 namespace ash { | 12 namespace ash { |
13 namespace wm { | 13 namespace wm { |
14 namespace { | 14 namespace { |
15 | 15 |
16 // These are the list of container ids of containers which may contain windows | 16 // These are the list of container ids of containers which may contain windows |
17 // that need to be activated in the order that they should be activated. | 17 // that need to be activated in the order that they should be activated. |
18 const int kWindowContainerIds[] = { | 18 const int kWindowContainerIds[] = { |
19 internal::kShellWindowId_OverlayContainer, | 19 kShellWindowId_OverlayContainer, |
20 internal::kShellWindowId_LockSystemModalContainer, | 20 kShellWindowId_LockSystemModalContainer, |
21 internal::kShellWindowId_SettingBubbleContainer, | 21 kShellWindowId_SettingBubbleContainer, |
22 internal::kShellWindowId_LockScreenContainer, | 22 kShellWindowId_LockScreenContainer, |
23 internal::kShellWindowId_SystemModalContainer, | 23 kShellWindowId_SystemModalContainer, |
24 internal::kShellWindowId_AlwaysOnTopContainer, | 24 kShellWindowId_AlwaysOnTopContainer, |
25 internal::kShellWindowId_AppListContainer, | 25 kShellWindowId_AppListContainer, |
26 internal::kShellWindowId_DefaultContainer, | 26 kShellWindowId_DefaultContainer, |
27 | 27 |
28 // Docked, panel, launcher and status are intentionally checked after other | 28 // Docked, panel, launcher and status are intentionally checked after other |
29 // containers even though these layers are higher. The user expects their | 29 // containers even though these layers are higher. The user expects their |
30 // windows to be focused before these elements. | 30 // windows to be focused before these elements. |
31 internal::kShellWindowId_DockedContainer, | 31 kShellWindowId_DockedContainer, |
32 internal::kShellWindowId_PanelContainer, | 32 kShellWindowId_PanelContainer, |
33 internal::kShellWindowId_ShelfContainer, | 33 kShellWindowId_ShelfContainer, |
34 internal::kShellWindowId_StatusContainer, | 34 kShellWindowId_StatusContainer, }; |
35 }; | |
36 | 35 |
37 bool BelongsToContainerWithEqualOrGreaterId(const aura::Window* window, | 36 bool BelongsToContainerWithEqualOrGreaterId(const aura::Window* window, |
38 int container_id) { | 37 int container_id) { |
39 for (; window; window = window->parent()) { | 38 for (; window; window = window->parent()) { |
40 if (window->id() >= container_id) | 39 if (window->id() >= container_id) |
41 return true; | 40 return true; |
42 } | 41 } |
43 return false; | 42 return false; |
44 } | 43 } |
45 | 44 |
46 } // namespace | 45 } // namespace |
47 | 46 |
48 //////////////////////////////////////////////////////////////////////////////// | 47 //////////////////////////////////////////////////////////////////////////////// |
49 // AshFocusRules, public: | 48 // AshFocusRules, public: |
50 | 49 |
51 AshFocusRules::AshFocusRules() { | 50 AshFocusRules::AshFocusRules() { |
52 } | 51 } |
53 | 52 |
54 AshFocusRules::~AshFocusRules() { | 53 AshFocusRules::~AshFocusRules() { |
55 } | 54 } |
56 | 55 |
57 //////////////////////////////////////////////////////////////////////////////// | 56 //////////////////////////////////////////////////////////////////////////////// |
58 // AshFocusRules, ::wm::FocusRules: | 57 // AshFocusRules, ::wm::FocusRules: |
59 | 58 |
60 bool AshFocusRules::SupportsChildActivation(aura::Window* window) const { | 59 bool AshFocusRules::SupportsChildActivation(aura::Window* window) const { |
61 if (window->id() == internal::kShellWindowId_DefaultContainer) | 60 if (window->id() == kShellWindowId_DefaultContainer) |
62 return true; | 61 return true; |
63 | 62 |
64 for (size_t i = 0; i < arraysize(kWindowContainerIds); i++) { | 63 for (size_t i = 0; i < arraysize(kWindowContainerIds); i++) { |
65 if (window->id() == kWindowContainerIds[i]) | 64 if (window->id() == kWindowContainerIds[i]) |
66 return true; | 65 return true; |
67 } | 66 } |
68 return false; | 67 return false; |
69 } | 68 } |
70 | 69 |
71 bool AshFocusRules::IsWindowConsideredVisibleForActivation( | 70 bool AshFocusRules::IsWindowConsideredVisibleForActivation( |
72 aura::Window* window) const { | 71 aura::Window* window) const { |
73 if (BaseFocusRules::IsWindowConsideredVisibleForActivation(window)) | 72 if (BaseFocusRules::IsWindowConsideredVisibleForActivation(window)) |
74 return true; | 73 return true; |
75 | 74 |
76 // Minimized windows are hidden in their minimized state, but they can always | 75 // Minimized windows are hidden in their minimized state, but they can always |
77 // be activated. | 76 // be activated. |
78 if (wm::GetWindowState(window)->IsMinimized()) | 77 if (wm::GetWindowState(window)->IsMinimized()) |
79 return true; | 78 return true; |
80 | 79 |
81 return window->TargetVisibility() && (window->parent()->id() == | 80 return window->TargetVisibility() && |
82 internal::kShellWindowId_DefaultContainer || window->parent()->id() == | 81 (window->parent()->id() == kShellWindowId_DefaultContainer || |
83 internal::kShellWindowId_LockScreenContainer); | 82 window->parent()->id() == kShellWindowId_LockScreenContainer); |
84 } | 83 } |
85 | 84 |
86 bool AshFocusRules::CanActivateWindow(aura::Window* window) const { | 85 bool AshFocusRules::CanActivateWindow(aura::Window* window) const { |
87 // Clearing activation is always permissible. | 86 // Clearing activation is always permissible. |
88 if (!window) | 87 if (!window) |
89 return true; | 88 return true; |
90 | 89 |
91 if (!BaseFocusRules::CanActivateWindow(window)) | 90 if (!BaseFocusRules::CanActivateWindow(window)) |
92 return false; | 91 return false; |
93 | 92 |
94 if (Shell::GetInstance()->IsSystemModalWindowOpen()) { | 93 if (Shell::GetInstance()->IsSystemModalWindowOpen()) { |
95 return BelongsToContainerWithEqualOrGreaterId( | 94 return BelongsToContainerWithEqualOrGreaterId( |
96 window, internal::kShellWindowId_SystemModalContainer); | 95 window, kShellWindowId_SystemModalContainer); |
97 } | 96 } |
98 | 97 |
99 return true; | 98 return true; |
100 } | 99 } |
101 | 100 |
102 aura::Window* AshFocusRules::GetNextActivatableWindow( | 101 aura::Window* AshFocusRules::GetNextActivatableWindow( |
103 aura::Window* ignore) const { | 102 aura::Window* ignore) const { |
104 DCHECK(ignore); | 103 DCHECK(ignore); |
105 | 104 |
106 int starting_container_index = 0; | 105 int starting_container_index = 0; |
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159 if (*i != ignore && | 158 if (*i != ignore && |
160 window_state->CanActivate() && | 159 window_state->CanActivate() && |
161 !window_state->IsMinimized()) | 160 !window_state->IsMinimized()) |
162 return *i; | 161 return *i; |
163 } | 162 } |
164 return NULL; | 163 return NULL; |
165 } | 164 } |
166 | 165 |
167 } // namespace wm | 166 } // namespace wm |
168 } // namespace ash | 167 } // namespace ash |
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