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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/common/container_finder.h" | |
| 6 | |
| 7 #include "ash/wm/common/always_on_top_controller.h" | |
| 8 #include "ash/wm/common/root_window_finder.h" | |
| 9 #include "ash/wm/common/window_state.h" | |
| 10 #include "ash/wm/common/wm_globals.h" | |
| 11 #include "ash/wm/common/wm_root_window_controller.h" | |
| 12 #include "ash/wm/common/wm_shell_window_ids.h" | |
| 13 #include "ash/wm/common/wm_window.h" | |
| 14 #include "ui/gfx/geometry/rect.h" | |
| 15 | |
| 16 namespace ash { | |
| 17 namespace wm { | |
| 18 namespace { | |
| 19 | |
| 20 WmWindow* FindContainerRoot(WmGlobals* globals, const gfx::Rect& bounds) { | |
| 21 if (bounds == gfx::Rect()) | |
| 22 return globals->GetRootWindowForNewWindows(); | |
| 23 return GetRootWindowMatching(bounds); | |
| 24 } | |
| 25 | |
| 26 bool HasTransientParentWindow(const WmWindow* window) { | |
| 27 return window->GetTransientParent() && | |
| 28 window->GetTransientParent()->GetType() != ui::wm::WINDOW_TYPE_UNKNOWN; | |
| 29 } | |
| 30 | |
| 31 WmWindow* GetSystemModalContainer(WmWindow* root, WmWindow* window) { | |
| 32 DCHECK(window->IsSystemModal()); | |
| 33 | |
| 34 // If screen lock is not active and user session is active, | |
| 35 // all modal windows are placed into the normal modal container. | |
| 36 // In case of missing transient parent (it could happen for alerts from | |
| 37 // background pages) assume that the window belongs to user session. | |
| 38 if (!window->GetGlobals()->IsUserSessionBlocked() || | |
| 39 !window->GetTransientParent()) { | |
| 40 return root->GetChildByShellWindowId(kShellWindowId_SystemModalContainer); | |
| 41 } | |
| 42 | |
| 43 // Otherwise those that originate from LockScreen container and above are | |
| 44 // placed in the screen lock modal container. | |
| 45 int window_container_id = | |
| 46 window->GetTransientParent()->GetParent()->GetShellWindowId(); | |
| 47 if (window_container_id < kShellWindowId_LockScreenContainer) | |
| 48 return root->GetChildByShellWindowId(kShellWindowId_SystemModalContainer); | |
| 49 return root->GetChildByShellWindowId(kShellWindowId_LockSystemModalContainer); | |
| 50 } | |
| 51 | |
| 52 WmWindow* GetContainerFromAlwaysOnTopController(WmWindow* root, | |
| 53 WmWindow* window) { | |
| 54 return root->GetRootWindowController() | |
| 55 ->GetAlwaysOnTopController() | |
| 56 ->GetContainer(window); | |
| 57 } | |
| 58 | |
| 59 } // namespace | |
| 60 | |
| 61 WmWindow* GetContainerForWindow(WmWindow* window) { | |
| 62 WmWindow* container = window->GetParent(); | |
| 63 while (container && container->GetType() != ui::wm::WINDOW_TYPE_UNKNOWN) | |
| 64 container = container->GetParent(); | |
| 65 return container; | |
| 66 } | |
| 67 | |
| 68 WmWindow* GetDefaultParent(WmWindow* context, | |
| 69 WmWindow* window, | |
| 70 const gfx::Rect& bounds) { | |
| 71 WmWindow* target_root = nullptr; | |
| 72 WmWindow* transient_parent = window->GetTransientParent(); | |
| 73 if (transient_parent) { | |
| 74 // Transient window should use the same root as its transient parent. | |
| 75 target_root = transient_parent->GetRootWindow(); | |
| 76 } else { | |
| 77 target_root = FindContainerRoot(context->GetGlobals(), bounds); | |
| 78 } | |
| 79 | |
| 80 switch (window->GetType()) { | |
| 81 case ui::wm::WINDOW_TYPE_NORMAL: | |
| 82 case ui::wm::WINDOW_TYPE_POPUP: | |
| 83 if (window->IsSystemModal()) | |
| 84 return GetSystemModalContainer(target_root, window); | |
| 85 if (HasTransientParentWindow(window)) | |
| 86 return GetContainerForWindow(window->GetTransientParent()); | |
| 87 return GetContainerFromAlwaysOnTopController(target_root, window); | |
| 88 case ui::wm::WINDOW_TYPE_CONTROL: | |
| 89 return target_root->GetChildByShellWindowId( | |
| 90 kShellWindowId_UnparentedControlContainer); | |
| 91 case ui::wm::WINDOW_TYPE_PANEL: | |
| 92 if (window->GetWindowState()->panel_attached()) | |
| 93 return target_root->GetChildByShellWindowId( | |
| 94 kShellWindowId_PanelContainer); | |
| 95 return GetContainerFromAlwaysOnTopController(target_root, window); | |
| 96 case ui::wm::WINDOW_TYPE_MENU: | |
| 97 return target_root->GetChildByShellWindowId(kShellWindowId_MenuContainer); | |
| 98 case ui::wm::WINDOW_TYPE_TOOLTIP: | |
| 99 return target_root->GetChildByShellWindowId( | |
| 100 kShellWindowId_DragImageAndTooltipContainer); | |
| 101 default: | |
| 102 NOTREACHED() << "Window " << window->GetShellWindowId() | |
| 103 << " has unhandled type " << window->GetType(); | |
| 104 break; | |
| 105 } | |
| 106 return nullptr; | |
| 107 } | |
| 108 | |
| 109 } // namespace wm | |
| 110 } // namespace ash | |
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Chromium Code Reviews
Issue 2030593002:
Renames ash/wm/common into ash/common/wm (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master