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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/common/wm/container_finder.h" | |
| 6 | |
| 7 #include "ash/common/session/session_state_delegate.h" | |
| 8 #include "ash/common/wm/always_on_top_controller.h" | |
| 9 #include "ash/common/wm/root_window_finder.h" | |
| 10 #include "ash/common/wm/window_state.h" | |
| 11 #include "ash/common/wm_shell.h" | |
| 12 #include "ash/common/wm_window.h" | |
| 13 #include "ash/public/cpp/shell_window_ids.h" | |
| 14 #include "ash/public/cpp/window_properties.h" | |
| 15 #include "ash/root_window_controller.h" | |
| 16 #include "ui/gfx/geometry/rect.h" | |
| 17 | |
| 18 namespace ash { | |
| 19 namespace wm { | |
| 20 namespace { | |
| 21 | |
| 22 WmWindow* FindContainerRoot(WmShell* shell, const gfx::Rect& bounds) { | |
| 23 if (bounds == gfx::Rect()) | |
| 24 return shell->GetRootWindowForNewWindows(); | |
| 25 return GetRootWindowMatching(bounds); | |
| 26 } | |
| 27 | |
| 28 bool HasTransientParentWindow(const WmWindow* window) { | |
| 29 return window->GetTransientParent() && | |
| 30 window->GetTransientParent()->GetType() != ui::wm::WINDOW_TYPE_UNKNOWN; | |
| 31 } | |
| 32 | |
| 33 WmWindow* GetSystemModalContainer(WmWindow* root, WmWindow* window) { | |
| 34 DCHECK(window->IsSystemModal()); | |
| 35 | |
| 36 // If screen lock is not active and user session is active, | |
| 37 // all modal windows are placed into the normal modal container. | |
| 38 // In case of missing transient parent (it could happen for alerts from | |
| 39 // background pages) assume that the window belongs to user session. | |
| 40 if (!window->GetShell()->GetSessionStateDelegate()->IsUserSessionBlocked() || | |
| 41 !window->GetTransientParent()) { | |
| 42 return root->GetChildByShellWindowId(kShellWindowId_SystemModalContainer); | |
| 43 } | |
| 44 | |
| 45 // Otherwise those that originate from LockScreen container and above are | |
| 46 // placed in the screen lock modal container. | |
| 47 int window_container_id = | |
| 48 window->GetTransientParent()->GetParent()->GetShellWindowId(); | |
| 49 if (window_container_id < kShellWindowId_LockScreenContainer) | |
| 50 return root->GetChildByShellWindowId(kShellWindowId_SystemModalContainer); | |
| 51 return root->GetChildByShellWindowId(kShellWindowId_LockSystemModalContainer); | |
| 52 } | |
| 53 | |
| 54 WmWindow* GetContainerFromAlwaysOnTopController(WmWindow* root, | |
| 55 WmWindow* window) { | |
| 56 return root->GetRootWindowController() | |
| 57 ->always_on_top_controller() | |
| 58 ->GetContainer(window); | |
| 59 } | |
| 60 | |
| 61 } // namespace | |
| 62 | |
| 63 WmWindow* GetContainerForWindow(WmWindow* window) { | |
| 64 WmWindow* parent = window->GetParent(); | |
| 65 // The first parent with an explicit shell window ID is the container. | |
| 66 while (parent && parent->GetShellWindowId() == kShellWindowId_Invalid) | |
| 67 parent = parent->GetParent(); | |
| 68 return parent; | |
| 69 } | |
| 70 | |
| 71 WmWindow* GetDefaultParent(WmWindow* context, | |
| 72 WmWindow* window, | |
| 73 const gfx::Rect& bounds) { | |
| 74 WmWindow* target_root = nullptr; | |
| 75 WmWindow* transient_parent = window->GetTransientParent(); | |
| 76 if (transient_parent) { | |
| 77 // Transient window should use the same root as its transient parent. | |
| 78 target_root = transient_parent->GetRootWindow(); | |
| 79 } else { | |
| 80 target_root = FindContainerRoot(context->GetShell(), bounds); | |
| 81 } | |
| 82 | |
| 83 switch (window->GetType()) { | |
| 84 case ui::wm::WINDOW_TYPE_NORMAL: | |
| 85 case ui::wm::WINDOW_TYPE_POPUP: | |
| 86 if (window->IsSystemModal()) | |
| 87 return GetSystemModalContainer(target_root, window); | |
| 88 if (HasTransientParentWindow(window)) | |
| 89 return GetContainerForWindow(window->GetTransientParent()); | |
| 90 return GetContainerFromAlwaysOnTopController(target_root, window); | |
| 91 case ui::wm::WINDOW_TYPE_CONTROL: | |
| 92 return target_root->GetChildByShellWindowId( | |
| 93 kShellWindowId_UnparentedControlContainer); | |
| 94 case ui::wm::WINDOW_TYPE_PANEL: | |
| 95 if (window->aura_window()->GetProperty(kPanelAttachedKey)) | |
| 96 return target_root->GetChildByShellWindowId( | |
| 97 kShellWindowId_PanelContainer); | |
| 98 return GetContainerFromAlwaysOnTopController(target_root, window); | |
| 99 case ui::wm::WINDOW_TYPE_MENU: | |
| 100 return target_root->GetChildByShellWindowId(kShellWindowId_MenuContainer); | |
| 101 case ui::wm::WINDOW_TYPE_TOOLTIP: | |
| 102 return target_root->GetChildByShellWindowId( | |
| 103 kShellWindowId_DragImageAndTooltipContainer); | |
| 104 default: | |
| 105 NOTREACHED() << "Window " << window->GetShellWindowId() | |
| 106 << " has unhandled type " << window->GetType(); | |
| 107 break; | |
| 108 } | |
| 109 return nullptr; | |
| 110 } | |
| 111 | |
| 112 std::vector<WmWindow*> GetContainersFromAllRootWindows( | |
| 113 int container_id, | |
| 114 WmWindow* priority_root) { | |
| 115 std::vector<WmWindow*> containers; | |
| 116 for (WmWindow* root : WmShell::Get()->GetAllRootWindows()) { | |
| 117 WmWindow* container = root->GetChildByShellWindowId(container_id); | |
| 118 if (!container) | |
| 119 continue; | |
| 120 | |
| 121 if (priority_root && priority_root->Contains(container)) | |
| 122 containers.insert(containers.begin(), container); | |
| 123 else | |
| 124 containers.push_back(container); | |
| 125 } | |
| 126 return containers; | |
| 127 } | |
| 128 | |
| 129 } // namespace wm | |
| 130 } // namespace ash | |
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Chromium Code Reviews
Issue 2734683002:
chromeos: Move files in //ash/common to //ash, part 2 (Closed)
