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1 // Copyright 2016 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 #include "ash/wm_shell.h" | |
6 | |
7 #include <utility> | |
8 | |
9 #include "ash/accelerators/accelerator_controller.h" | |
10 #include "ash/public/cpp/shell_window_ids.h" | |
11 #include "ash/root_window_controller.h" | |
12 #include "ash/session/session_controller.h" | |
13 #include "ash/session/session_state_delegate.h" | |
14 #include "ash/shelf/app_list_shelf_item_delegate.h" | |
15 #include "ash/shell.h" | |
16 #include "ash/shell_delegate.h" | |
17 #include "ash/wm/root_window_finder.h" | |
18 #include "ash/wm/system_modal_container_layout_manager.h" | |
19 #include "ash/wm_window.h" | |
20 #include "base/bind.h" | |
21 #include "base/logging.h" | |
22 #include "base/memory/ptr_util.h" | |
23 #include "ui/display/display.h" | |
24 | |
25 namespace ash { | |
26 | |
27 // static | |
28 WmShell* WmShell::instance_ = nullptr; | |
29 | |
30 WmShell::~WmShell() { | |
31 DCHECK_EQ(this, instance_); | |
32 instance_ = nullptr; | |
33 } | |
34 | |
35 // static | |
36 WmShell* WmShell::Get() { | |
37 return instance_; | |
38 } | |
39 | |
40 void WmShell::Shutdown() { | |
41 } | |
42 | |
43 void WmShell::ShowContextMenu(const gfx::Point& location_in_screen, | |
44 ui::MenuSourceType source_type) { | |
45 // Bail if there is no active user session or if the screen is locked. | |
46 if (Shell::Get()->session_controller()->NumberOfLoggedInUsers() < 1 || | |
47 Shell::Get()->session_controller()->IsScreenLocked()) { | |
48 return; | |
49 } | |
50 | |
51 WmWindow* root = wm::GetRootWindowAt(location_in_screen); | |
52 root->GetRootWindowController()->ShowContextMenu(location_in_screen, | |
53 source_type); | |
54 } | |
55 | |
56 void WmShell::OnLockStateEvent(LockStateObserver::EventType event) { | |
57 for (auto& observer : lock_state_observers_) | |
58 observer.OnLockStateEvent(event); | |
59 } | |
60 | |
61 void WmShell::AddLockStateObserver(LockStateObserver* observer) { | |
62 lock_state_observers_.AddObserver(observer); | |
63 } | |
64 | |
65 void WmShell::RemoveLockStateObserver(LockStateObserver* observer) { | |
66 lock_state_observers_.RemoveObserver(observer); | |
67 } | |
68 | |
69 WmShell::WmShell() { | |
70 DCHECK(!instance_); | |
71 instance_ = this; | |
72 } | |
73 | |
74 RootWindowController* WmShell::GetPrimaryRootWindowController() { | |
75 return GetPrimaryRootWindow()->GetRootWindowController(); | |
76 } | |
77 | |
78 bool WmShell::IsForceMaximizeOnFirstRun() { | |
79 return Shell::Get()->shell_delegate()->IsForceMaximizeOnFirstRun(); | |
80 } | |
81 | |
82 bool WmShell::IsSystemModalWindowOpen() { | |
83 if (simulate_modal_window_open_for_testing_) | |
84 return true; | |
85 | |
86 // Traverse all system modal containers, and find its direct child window | |
87 // with "SystemModal" setting, and visible. | |
88 for (WmWindow* root : GetAllRootWindows()) { | |
89 WmWindow* system_modal = | |
90 root->GetChildByShellWindowId(kShellWindowId_SystemModalContainer); | |
91 if (!system_modal) | |
92 continue; | |
93 for (const WmWindow* child : system_modal->GetChildren()) { | |
94 if (child->IsSystemModal() && child->GetTargetVisibility()) { | |
95 return true; | |
96 } | |
97 } | |
98 } | |
99 return false; | |
100 } | |
101 | |
102 void WmShell::CreateModalBackground(WmWindow* window) { | |
103 for (WmWindow* root_window : GetAllRootWindows()) { | |
104 root_window->GetRootWindowController() | |
105 ->GetSystemModalLayoutManager(window) | |
106 ->CreateModalBackground(); | |
107 } | |
108 } | |
109 | |
110 void WmShell::OnModalWindowRemoved(WmWindow* removed) { | |
111 WmWindow::Windows root_windows = GetAllRootWindows(); | |
112 for (WmWindow* root_window : root_windows) { | |
113 if (root_window->GetRootWindowController() | |
114 ->GetSystemModalLayoutManager(removed) | |
115 ->ActivateNextModalWindow()) { | |
116 return; | |
117 } | |
118 } | |
119 for (WmWindow* root_window : root_windows) { | |
120 root_window->GetRootWindowController() | |
121 ->GetSystemModalLayoutManager(removed) | |
122 ->DestroyModalBackground(); | |
123 } | |
124 } | |
125 | |
126 } // namespace ash | |
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