blob: 4b5048e0eff13099887bf99c7e384f21a9d70bdb [file] [log] [blame]
// Copyright 2016 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.
#include "ash/common/wm_root_window_controller.h"
#include "ash/common/session/session_state_delegate.h"
#include "ash/common/shelf/shelf_layout_manager.h"
#include "ash/common/shelf/shelf_widget.h"
#include "ash/common/shelf/wm_shelf.h"
#include "ash/common/shell_delegate.h"
#include "ash/common/system/status_area_widget.h"
#include "ash/common/wallpaper/wallpaper_delegate.h"
#include "ash/common/wallpaper/wallpaper_widget_controller.h"
#include "ash/common/wm/always_on_top_controller.h"
#include "ash/common/wm/container_finder.h"
#include "ash/common/wm/dock/docked_window_layout_manager.h"
#include "ash/common/wm/lock_layout_manager.h"
#include "ash/common/wm/panels/panel_layout_manager.h"
#include "ash/common/wm/root_window_layout_manager.h"
#include "ash/common/wm/system_modal_container_layout_manager.h"
#include "ash/common/wm/window_state.h"
#include "ash/common/wm/wm_snap_to_pixel_layout_manager.h"
#include "ash/common/wm/workspace/workspace_layout_manager.h"
#include "ash/common/wm/workspace_controller.h"
#include "ash/common/wm_shell.h"
#include "ash/common/wm_window.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "base/memory/ptr_util.h"
#include "ui/base/models/menu_model.h"
#include "ui/views/controls/menu/menu_model_adapter.h"
#include "ui/views/controls/menu/menu_runner.h"
namespace ash {
namespace {
// Scales |value| that is originally between 0 and |src_max| to be between
// 0 and |dst_max|.
float ToRelativeValue(int value, int src_max, int dst_max) {
return static_cast<float>(value) / static_cast<float>(src_max) * dst_max;
}
// Uses ToRelativeValue() to scale the origin of |bounds_in_out|. The
// width/height are not changed.
void MoveOriginRelativeToSize(const gfx::Size& src_size,
const gfx::Size& dst_size,
gfx::Rect* bounds_in_out) {
gfx::Point origin = bounds_in_out->origin();
bounds_in_out->set_origin(gfx::Point(
ToRelativeValue(origin.x(), src_size.width(), dst_size.width()),
ToRelativeValue(origin.y(), src_size.height(), dst_size.height())));
}
// Reparents |window| to |new_parent|.
void ReparentWindow(WmWindow* window, WmWindow* new_parent) {
const gfx::Size src_size = window->GetParent()->GetBounds().size();
const gfx::Size dst_size = new_parent->GetBounds().size();
// Update the restore bounds to make it relative to the display.
wm::WindowState* state = window->GetWindowState();
gfx::Rect restore_bounds;
bool has_restore_bounds = state->HasRestoreBounds();
bool update_bounds =
(state->IsNormalOrSnapped() || state->IsMinimized()) &&
new_parent->GetShellWindowId() != kShellWindowId_DockedContainer;
gfx::Rect local_bounds;
if (update_bounds) {
local_bounds = state->window()->GetBounds();
MoveOriginRelativeToSize(src_size, dst_size, &local_bounds);
}
if (has_restore_bounds) {
restore_bounds = state->GetRestoreBoundsInParent();
MoveOriginRelativeToSize(src_size, dst_size, &restore_bounds);
}
new_parent->AddChild(window);
// Docked windows have bounds handled by the layout manager in AddChild().
if (update_bounds)
window->SetBounds(local_bounds);
if (has_restore_bounds)
state->SetRestoreBoundsInParent(restore_bounds);
}
// Reparents the appropriate set of windows from |src| to |dst|.
void ReparentAllWindows(WmWindow* src, WmWindow* dst) {
// Set of windows to move.
const int kContainerIdsToMove[] = {
kShellWindowId_DefaultContainer,
kShellWindowId_DockedContainer,
kShellWindowId_PanelContainer,
kShellWindowId_AlwaysOnTopContainer,
kShellWindowId_SystemModalContainer,
kShellWindowId_LockSystemModalContainer,
kShellWindowId_UnparentedControlContainer,
kShellWindowId_OverlayContainer,
};
const int kExtraContainerIdsToMoveInUnifiedMode[] = {
kShellWindowId_LockScreenContainer,
kShellWindowId_LockScreenWallpaperContainer,
};
std::vector<int> container_ids(
kContainerIdsToMove,
kContainerIdsToMove + arraysize(kContainerIdsToMove));
// Check the display mode as this is also necessary when trasitioning between
// mirror and unified mode.
if (WmShell::Get()->IsInUnifiedModeIgnoreMirroring()) {
for (int id : kExtraContainerIdsToMoveInUnifiedMode)
container_ids.push_back(id);
}
for (int id : container_ids) {
WmWindow* src_container = src->GetChildByShellWindowId(id);
WmWindow* dst_container = dst->GetChildByShellWindowId(id);
while (!src_container->GetChildren().empty()) {
// Restart iteration from the source container windows each time as they
// may change as a result of moving other windows.
WmWindow::Windows src_container_children = src_container->GetChildren();
WmWindow::Windows::const_iterator iter = src_container_children.begin();
while (iter != src_container_children.end() &&
SystemModalContainerLayoutManager::IsModalBackground(*iter)) {
++iter;
}
// If the entire window list is modal background windows then stop.
if (iter == src_container_children.end())
break;
ReparentWindow(*iter, dst_container);
}
}
}
// Creates a new window for use as a container.
WmWindow* CreateContainer(int window_id, const char* name, WmWindow* parent) {
WmWindow* window = WmShell::Get()->NewWindow(ui::wm::WINDOW_TYPE_UNKNOWN,
ui::LAYER_NOT_DRAWN);
window->SetShellWindowId(window_id);
window->SetName(name);
parent->AddChild(window);
if (window_id != kShellWindowId_UnparentedControlContainer)
window->Show();
return window;
}
} // namespace
WmRootWindowController::WmRootWindowController(WmWindow* root) : root_(root) {}
WmRootWindowController::~WmRootWindowController() {
if (animating_wallpaper_widget_controller_.get())
animating_wallpaper_widget_controller_->StopAnimating();
}
void WmRootWindowController::SetWallpaperWidgetController(
WallpaperWidgetController* controller) {
wallpaper_widget_controller_.reset(controller);
}
void WmRootWindowController::SetAnimatingWallpaperWidgetController(
AnimatingWallpaperWidgetController* controller) {
if (animating_wallpaper_widget_controller_.get())
animating_wallpaper_widget_controller_->StopAnimating();
animating_wallpaper_widget_controller_.reset(controller);
}
wm::WorkspaceWindowState WmRootWindowController::GetWorkspaceWindowState() {
return workspace_controller_ ? workspace_controller()->GetWindowState()
: wm::WORKSPACE_WINDOW_STATE_DEFAULT;
}
SystemModalContainerLayoutManager*
WmRootWindowController::GetSystemModalLayoutManager(WmWindow* window) {
WmWindow* modal_container = nullptr;
if (window) {
WmWindow* window_container = wm::GetContainerForWindow(window);
if (window_container &&
window_container->GetShellWindowId() >=
kShellWindowId_LockScreenContainer) {
modal_container = GetContainer(kShellWindowId_LockSystemModalContainer);
} else {
modal_container = GetContainer(kShellWindowId_SystemModalContainer);
}
} else {
int modal_window_id =
WmShell::Get()->GetSessionStateDelegate()->IsUserSessionBlocked()
? kShellWindowId_LockSystemModalContainer
: kShellWindowId_SystemModalContainer;
modal_container = GetContainer(modal_window_id);
}
return modal_container ? static_cast<SystemModalContainerLayoutManager*>(
modal_container->GetLayoutManager())
: nullptr;
}
void WmRootWindowController::CreateShelf() {
WmShelf* shelf = GetShelf();
if (shelf->IsShelfInitialized())
return;
shelf->InitializeShelf();
if (panel_layout_manager_)
panel_layout_manager_->SetShelf(shelf);
if (docked_window_layout_manager_) {
docked_window_layout_manager_->SetShelf(shelf);
if (shelf->shelf_layout_manager())
docked_window_layout_manager_->AddObserver(shelf->shelf_layout_manager());
}
// Notify shell observers that the shelf has been created.
// TODO(jamescook): Move this into WmShelf::InitializeShelf(). This will
// require changing AttachedPanelWidgetTargeter's access to WmShelf.
WmShell::Get()->NotifyShelfCreatedForRootWindow(GetWindow());
shelf->shelf_widget()->PostCreateShelf();
}
void WmRootWindowController::ShowShelf() {
WmShelf* shelf = GetShelf();
if (!shelf->IsShelfInitialized())
return;
// TODO(jamescook): Move this into WmShelf.
shelf->shelf_widget()->SetShelfVisibility(true);
shelf->shelf_widget()->status_area_widget()->Show();
}
WmWindow* WmRootWindowController::GetContainer(int container_id) {
return root_->GetChildByShellWindowId(container_id);
}
const WmWindow* WmRootWindowController::GetContainer(int container_id) const {
return root_->GetChildByShellWindowId(container_id);
}
void WmRootWindowController::ShowContextMenu(
const gfx::Point& location_in_screen,
ui::MenuSourceType source_type) {
ShellDelegate* delegate = WmShell::Get()->delegate();
DCHECK(delegate);
menu_model_.reset(delegate->CreateContextMenu(GetShelf(), nullptr));
if (!menu_model_)
return;
menu_model_adapter_.reset(new views::MenuModelAdapter(
menu_model_.get(), base::Bind(&WmRootWindowController::OnMenuClosed,
base::Unretained(this))));
// The wallpaper controller may not be set yet if the user clicked on the
// status area before the initial animation completion. See crbug.com/222218
if (!wallpaper_widget_controller())
return;
menu_runner_.reset(new views::MenuRunner(
menu_model_adapter_->CreateMenu(),
views::MenuRunner::CONTEXT_MENU | views::MenuRunner::ASYNC));
ignore_result(
menu_runner_->RunMenuAt(wallpaper_widget_controller()->widget(), nullptr,
gfx::Rect(location_in_screen, gfx::Size()),
views::MENU_ANCHOR_TOPLEFT, source_type));
}
void WmRootWindowController::OnInitialWallpaperAnimationStarted() {}
void WmRootWindowController::OnWallpaperAnimationFinished(
views::Widget* widget) {
WmShell::Get()->wallpaper_delegate()->OnWallpaperAnimationFinished();
// Only removes old component when wallpaper animation finished. If we
// remove the old one before the new wallpaper is done fading in there will
// be a white flash during the animation.
if (animating_wallpaper_widget_controller()) {
WallpaperWidgetController* controller =
animating_wallpaper_widget_controller()->GetController(true);
DCHECK_EQ(controller->widget(), widget);
// Release the old controller and close its wallpaper widget.
SetWallpaperWidgetController(controller);
}
}
void WmRootWindowController::UpdateAfterLoginStatusChange(LoginStatus status) {
StatusAreaWidget* status_area_widget =
GetShelf()->shelf_widget()->status_area_widget();
if (status_area_widget)
status_area_widget->UpdateAfterLoginStatusChange(status);
}
void WmRootWindowController::MoveWindowsTo(WmWindow* dest) {
// Clear the workspace controller, so it doesn't incorrectly update the shelf.
workspace_controller_.reset();
ReparentAllWindows(GetWindow(), dest);
}
void WmRootWindowController::CreateContainers() {
// These containers are just used by PowerButtonController to animate groups
// of containers simultaneously without messing up the current transformations
// on those containers. These are direct children of the root window; all of
// the other containers are their children.
// The wallpaper container is not part of the lock animation, so it is not
// included in those animate groups. When the screen is locked, the wallpaper
// is moved to the lock screen wallpaper container (and moved back on unlock).
// Ensure that there's an opaque layer occluding the non-lock-screen layers.
WmWindow* wallpaper_container = CreateContainer(
kShellWindowId_WallpaperContainer, "WallpaperContainer", root_);
wallpaper_container->SetChildWindowVisibilityChangesAnimated();
WmWindow* non_lock_screen_containers =
CreateContainer(kShellWindowId_NonLockScreenContainersContainer,
"NonLockScreenContainersContainer", root_);
// Clip all windows inside this container, as half pixel of the window's
// texture may become visible when the screen is scaled. crbug.com/368591.
non_lock_screen_containers->SetMasksToBounds(true);
WmWindow* lock_wallpaper_containers =
CreateContainer(kShellWindowId_LockScreenWallpaperContainer,
"LockScreenWallpaperContainer", root_);
lock_wallpaper_containers->SetChildWindowVisibilityChangesAnimated();
WmWindow* lock_screen_containers =
CreateContainer(kShellWindowId_LockScreenContainersContainer,
"LockScreenContainersContainer", root_);
WmWindow* lock_screen_related_containers =
CreateContainer(kShellWindowId_LockScreenRelatedContainersContainer,
"LockScreenRelatedContainersContainer", root_);
CreateContainer(kShellWindowId_UnparentedControlContainer,
"UnparentedControlContainer", non_lock_screen_containers);
WmWindow* default_container =
CreateContainer(kShellWindowId_DefaultContainer, "DefaultContainer",
non_lock_screen_containers);
default_container->SetChildWindowVisibilityChangesAnimated();
default_container->SetSnapsChildrenToPhysicalPixelBoundary();
default_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
default_container->SetChildrenUseExtendedHitRegion();
WmWindow* always_on_top_container =
CreateContainer(kShellWindowId_AlwaysOnTopContainer,
"AlwaysOnTopContainer", non_lock_screen_containers);
always_on_top_container->SetChildWindowVisibilityChangesAnimated();
always_on_top_container->SetSnapsChildrenToPhysicalPixelBoundary();
always_on_top_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
WmWindow* docked_container =
CreateContainer(kShellWindowId_DockedContainer, "DockedContainer",
non_lock_screen_containers);
docked_container->SetChildWindowVisibilityChangesAnimated();
docked_container->SetSnapsChildrenToPhysicalPixelBoundary();
docked_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
docked_container->SetChildrenUseExtendedHitRegion();
WmWindow* shelf_container =
CreateContainer(kShellWindowId_ShelfContainer, "ShelfContainer",
non_lock_screen_containers);
shelf_container->SetSnapsChildrenToPhysicalPixelBoundary();
shelf_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
shelf_container->SetLockedToRoot(true);
WmWindow* panel_container =
CreateContainer(kShellWindowId_PanelContainer, "PanelContainer",
non_lock_screen_containers);
panel_container->SetSnapsChildrenToPhysicalPixelBoundary();
panel_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
WmWindow* shelf_bubble_container =
CreateContainer(kShellWindowId_ShelfBubbleContainer,
"ShelfBubbleContainer", non_lock_screen_containers);
shelf_bubble_container->SetSnapsChildrenToPhysicalPixelBoundary();
shelf_bubble_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
shelf_bubble_container->SetLockedToRoot(true);
WmWindow* app_list_container =
CreateContainer(kShellWindowId_AppListContainer, "AppListContainer",
non_lock_screen_containers);
app_list_container->SetSnapsChildrenToPhysicalPixelBoundary();
app_list_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
WmWindow* modal_container =
CreateContainer(kShellWindowId_SystemModalContainer,
"SystemModalContainer", non_lock_screen_containers);
modal_container->SetSnapsChildrenToPhysicalPixelBoundary();
modal_container->SetChildWindowVisibilityChangesAnimated();
modal_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
modal_container->SetChildrenUseExtendedHitRegion();
// TODO(beng): Figure out if we can make this use
// SystemModalContainerEventFilter instead of stops_event_propagation.
WmWindow* lock_container =
CreateContainer(kShellWindowId_LockScreenContainer, "LockScreenContainer",
lock_screen_containers);
lock_container->SetSnapsChildrenToPhysicalPixelBoundary();
lock_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
// TODO(beng): stopsevents
WmWindow* lock_modal_container =
CreateContainer(kShellWindowId_LockSystemModalContainer,
"LockSystemModalContainer", lock_screen_containers);
lock_modal_container->SetSnapsChildrenToPhysicalPixelBoundary();
lock_modal_container->SetChildWindowVisibilityChangesAnimated();
lock_modal_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
lock_modal_container->SetChildrenUseExtendedHitRegion();
WmWindow* status_container =
CreateContainer(kShellWindowId_StatusContainer, "StatusContainer",
lock_screen_related_containers);
status_container->SetSnapsChildrenToPhysicalPixelBoundary();
status_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
status_container->SetLockedToRoot(true);
WmWindow* settings_bubble_container =
CreateContainer(kShellWindowId_SettingBubbleContainer,
"SettingBubbleContainer", lock_screen_related_containers);
settings_bubble_container->SetChildWindowVisibilityChangesAnimated();
settings_bubble_container->SetSnapsChildrenToPhysicalPixelBoundary();
settings_bubble_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
settings_bubble_container->SetLockedToRoot(true);
WmWindow* virtual_keyboard_parent_container = CreateContainer(
kShellWindowId_ImeWindowParentContainer, "VirtualKeyboardParentContainer",
lock_screen_related_containers);
virtual_keyboard_parent_container->SetSnapsChildrenToPhysicalPixelBoundary();
virtual_keyboard_parent_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
WmWindow* menu_container =
CreateContainer(kShellWindowId_MenuContainer, "MenuContainer",
lock_screen_related_containers);
menu_container->SetChildWindowVisibilityChangesAnimated();
menu_container->SetSnapsChildrenToPhysicalPixelBoundary();
menu_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
WmWindow* drag_drop_container = CreateContainer(
kShellWindowId_DragImageAndTooltipContainer,
"DragImageAndTooltipContainer", lock_screen_related_containers);
drag_drop_container->SetChildWindowVisibilityChangesAnimated();
drag_drop_container->SetSnapsChildrenToPhysicalPixelBoundary();
drag_drop_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
WmWindow* overlay_container =
CreateContainer(kShellWindowId_OverlayContainer, "OverlayContainer",
lock_screen_related_containers);
overlay_container->SetSnapsChildrenToPhysicalPixelBoundary();
overlay_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
#if defined(OS_CHROMEOS)
WmWindow* mouse_cursor_container = CreateContainer(
kShellWindowId_MouseCursorContainer, "MouseCursorContainer", root_);
mouse_cursor_container->SetBoundsInScreenBehaviorForChildren(
WmWindow::BoundsInScreenBehavior::USE_SCREEN_COORDINATES);
#endif
CreateContainer(kShellWindowId_PowerButtonAnimationContainer,
"PowerButtonAnimationContainer", root_);
}
void WmRootWindowController::CreateLayoutManagers() {
GetShelf()->CreateShelfWidget(GetWindow());
root_window_layout_manager_ = new wm::RootWindowLayoutManager(root_);
root_->SetLayoutManager(base::WrapUnique(root_window_layout_manager_));
WmWindow* default_container = GetContainer(kShellWindowId_DefaultContainer);
// Installs WorkspaceLayoutManager on |default_container|.
workspace_controller_.reset(new WorkspaceController(default_container));
WmWindow* modal_container = GetContainer(kShellWindowId_SystemModalContainer);
DCHECK(modal_container);
modal_container->SetLayoutManager(
base::MakeUnique<SystemModalContainerLayoutManager>(modal_container));
WmWindow* lock_modal_container =
GetContainer(kShellWindowId_LockSystemModalContainer);
DCHECK(lock_modal_container);
lock_modal_container->SetLayoutManager(
base::MakeUnique<SystemModalContainerLayoutManager>(
lock_modal_container));
WmWindow* lock_container = GetContainer(kShellWindowId_LockScreenContainer);
DCHECK(lock_container);
lock_container->SetLayoutManager(
base::MakeUnique<LockLayoutManager>(lock_container));
WmWindow* always_on_top_container =
GetContainer(kShellWindowId_AlwaysOnTopContainer);
DCHECK(always_on_top_container);
always_on_top_controller_ =
base::MakeUnique<AlwaysOnTopController>(always_on_top_container);
// Create Docked windows layout manager
WmWindow* docked_container = GetContainer(kShellWindowId_DockedContainer);
docked_window_layout_manager_ =
new DockedWindowLayoutManager(docked_container);
docked_container->SetLayoutManager(
base::WrapUnique(docked_window_layout_manager_));
// Create Panel layout manager
WmWindow* panel_container = GetContainer(kShellWindowId_PanelContainer);
panel_layout_manager_ = new PanelLayoutManager(panel_container);
panel_container->SetLayoutManager(base::WrapUnique(panel_layout_manager_));
wm::WmSnapToPixelLayoutManager::InstallOnContainers(root_);
}
void WmRootWindowController::ResetRootForNewWindowsIfNecessary() {
WmShell* shell = WmShell::Get();
// Change the target root window before closing child windows. If any child
// being removed triggers a relayout of the shelf it will try to build a
// window list adding windows from the target root window's containers which
// may have already gone away.
if (shell->GetRootWindowForNewWindows() == GetWindow()) {
// The root window for new windows is being destroyed. Switch to the primary
// root window if possible.
WmWindow* primary_root = shell->GetPrimaryRootWindow();
shell->set_root_window_for_new_windows(
primary_root == GetWindow() ? nullptr : primary_root);
}
}
void WmRootWindowController::CloseChildWindows() {
// NOTE: this may be called multiple times.
// |panel_layout_manager_| needs to be shut down before windows are destroyed.
if (panel_layout_manager_) {
panel_layout_manager_->Shutdown();
panel_layout_manager_ = nullptr;
}
// |docked_window_layout_manager_| needs to be shut down before windows are
// destroyed.
if (docked_window_layout_manager_) {
docked_window_layout_manager_->Shutdown();
docked_window_layout_manager_ = nullptr;
}
WmShelf* shelf = GetShelf();
shelf->ShutdownShelfWidget();
workspace_controller_.reset();
// Explicitly destroy top level windows. We do this because such windows may
// query the RootWindow for state.
WmWindowTracker non_toplevel_windows;
non_toplevel_windows.Add(root_);
while (!non_toplevel_windows.windows().empty()) {
WmWindow* non_toplevel_window = non_toplevel_windows.Pop();
WmWindowTracker toplevel_windows;
for (WmWindow* child : non_toplevel_window->GetChildren()) {
if (!ShouldDestroyWindowInCloseChildWindows(child))
continue;
if (child->HasNonClientArea())
toplevel_windows.Add(child);
else
non_toplevel_windows.Add(child);
}
while (!toplevel_windows.windows().empty())
toplevel_windows.Pop()->Destroy();
}
// And then remove the containers.
while (!root_->GetChildren().empty()) {
WmWindow* child = root_->GetChildren()[0];
if (ShouldDestroyWindowInCloseChildWindows(child))
child->Destroy();
else
root_->RemoveChild(child);
}
shelf->DestroyShelfWidget();
// CloseChildWindows() may be called twice during the shutdown of ash
// unittests. Avoid notifying WmShelf that the shelf has been destroyed twice.
if (shelf->IsShelfInitialized())
shelf->ShutdownShelf();
}
void WmRootWindowController::OnMenuClosed() {
menu_runner_.reset();
menu_model_adapter_.reset();
menu_model_.reset();
GetShelf()->UpdateVisibilityState();
}
} // namespace ash