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shell.cc
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// Copyright (c) 2012 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/shell.h"
#include <algorithm>
#include <string>
#include <utility>
#include "ash/accelerators/accelerator_delegate.h"
#include "ash/accelerators/magnifier_key_scroller.h"
#include "ash/accelerators/spoken_feedback_toggler.h"
#include "ash/app_list/app_list_delegate_impl.h"
#include "ash/aura/wm_shell_aura.h"
#include "ash/autoclick/autoclick_controller.h"
#include "ash/common/accelerators/accelerator_controller.h"
#include "ash/common/accelerators/ash_focus_manager_factory.h"
#include "ash/common/accessibility_delegate.h"
#include "ash/common/ash_constants.h"
#include "ash/common/cast_config_controller.h"
#include "ash/common/devtools/ash_devtools_css_agent.h"
#include "ash/common/devtools/ash_devtools_dom_agent.h"
#include "ash/common/focus_cycler.h"
#include "ash/common/frame/custom_frame_view_ash.h"
#include "ash/common/gpu_support.h"
#include "ash/common/keyboard/keyboard_ui.h"
#include "ash/common/login_status.h"
#include "ash/common/palette_delegate.h"
#include "ash/common/session/session_state_delegate.h"
#include "ash/common/shelf/wm_shelf.h"
#include "ash/common/shell_delegate.h"
#include "ash/common/shell_observer.h"
#include "ash/common/system/brightness_control_delegate.h"
#include "ash/common/system/chromeos/bluetooth/bluetooth_notification_controller.h"
#include "ash/common/system/chromeos/brightness/brightness_controller_chromeos.h"
#include "ash/common/system/chromeos/keyboard_brightness_controller.h"
#include "ash/common/system/chromeos/network/sms_observer.h"
#include "ash/common/system/chromeos/power/power_status.h"
#include "ash/common/system/chromeos/session/logout_confirmation_controller.h"
#include "ash/common/system/keyboard_brightness_control_delegate.h"
#include "ash/common/system/locale/locale_notification_controller.h"
#include "ash/common/system/status_area_widget.h"
#include "ash/common/system/toast/toast_manager.h"
#include "ash/common/system/tray/system_tray_controller.h"
#include "ash/common/system/tray/system_tray_delegate.h"
#include "ash/common/system/tray/system_tray_notifier.h"
#include "ash/common/wallpaper/wallpaper_controller.h"
#include "ash/common/wallpaper/wallpaper_delegate.h"
#include "ash/common/wm/container_finder.h"
#include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
#include "ash/common/wm/maximize_mode/maximize_mode_window_manager.h"
#include "ash/common/wm/mru_window_tracker.h"
#include "ash/common/wm/root_window_finder.h"
#include "ash/common/wm/system_modal_container_layout_manager.h"
#include "ash/common/wm/window_positioner.h"
#include "ash/common/wm/workspace_controller.h"
#include "ash/common/wm_shell.h"
#include "ash/common/wm_window.h"
#include "ash/display/cursor_window_controller.h"
#include "ash/display/display_color_manager_chromeos.h"
#include "ash/display/display_configuration_controller.h"
#include "ash/display/display_error_observer_chromeos.h"
#include "ash/display/event_transformation_handler.h"
#include "ash/display/mouse_cursor_event_filter.h"
#include "ash/display/projecting_observer_chromeos.h"
#include "ash/display/resolution_notification_controller.h"
#include "ash/display/screen_ash.h"
#include "ash/display/screen_orientation_controller_chromeos.h"
#include "ash/display/screen_position_controller.h"
#include "ash/display/shutdown_observer_chromeos.h"
#include "ash/display/window_tree_host_manager.h"
#include "ash/drag_drop/drag_drop_controller.h"
#include "ash/first_run/first_run_helper_impl.h"
#include "ash/high_contrast/high_contrast_controller.h"
#include "ash/ime/input_method_event_handler.h"
#include "ash/laser/laser_pointer_controller.h"
#include "ash/magnifier/magnification_controller.h"
#include "ash/magnifier/partial_magnification_controller.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/root_window_controller.h"
#include "ash/shell_init_params.h"
#include "ash/sticky_keys/sticky_keys_controller.h"
#include "ash/system/chromeos/power/power_event_observer.h"
#include "ash/system/chromeos/power/video_activity_notifier.h"
#include "ash/system/chromeos/screen_layout_observer.h"
#include "ash/touch/ash_touch_transform_controller.h"
#include "ash/utility/screenshot_controller.h"
#include "ash/virtual_keyboard_controller.h"
#include "ash/wm/ash_focus_rules.h"
#include "ash/wm/ash_native_cursor_manager.h"
#include "ash/wm/event_client_impl.h"
#include "ash/wm/immersive_handler_factory_ash.h"
#include "ash/wm/lock_state_controller.h"
#include "ash/wm/overlay_event_filter.h"
#include "ash/wm/overview/scoped_overview_animation_settings_factory_aura.h"
#include "ash/wm/power_button_controller.h"
#include "ash/wm/resize_shadow_controller.h"
#include "ash/wm/screen_pinning_controller.h"
#include "ash/wm/system_gesture_event_filter.h"
#include "ash/wm/system_modal_container_event_filter.h"
#include "ash/wm/toplevel_window_event_handler.h"
#include "ash/wm/video_detector.h"
#include "ash/wm/window_animations.h"
#include "ash/wm/window_properties.h"
#include "ash/wm/window_util.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/memory/ptr_util.h"
#include "base/sys_info.h"
#include "base/threading/sequenced_worker_pool.h"
#include "base/trace_event/trace_event.h"
#include "chromeos/audio/audio_a11y_controller.h"
#include "chromeos/chromeos_switches.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/system/devicemode.h"
#include "components/ui_devtools/devtools_server.h"
#include "services/preferences/public/cpp/pref_client_store.h"
#include "services/preferences/public/interfaces/preferences.mojom.h"
#include "services/service_manager/public/cpp/connector.h"
#include "services/ui/public/interfaces/constants.mojom.h"
#include "ui/app_list/presenter/app_list.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/env.h"
#include "ui/aura/layout_manager.h"
#include "ui/aura/mus/user_activity_forwarder.h"
#include "ui/aura/window.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/base/ui_base_switches.h"
#include "ui/base/user_activity/user_activity_detector.h"
#include "ui/chromeos/user_activity_power_manager_notifier.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_animator.h"
#include "ui/display/display.h"
#include "ui/display/manager/chromeos/display_change_observer.h"
#include "ui/display/manager/chromeos/display_configurator.h"
#include "ui/display/manager/display_manager.h"
#include "ui/display/screen.h"
#include "ui/events/event_target_iterator.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/keyboard/keyboard_controller.h"
#include "ui/keyboard/keyboard_switches.h"
#include "ui/keyboard/keyboard_util.h"
#include "ui/views/corewm/tooltip_aura.h"
#include "ui/views/corewm/tooltip_controller.h"
#include "ui/views/focus/focus_manager_factory.h"
#include "ui/views/widget/native_widget_aura.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/accelerator_filter.h"
#include "ui/wm/core/compound_event_filter.h"
#include "ui/wm/core/focus_controller.h"
#include "ui/wm/core/shadow_controller.h"
#include "ui/wm/core/visibility_controller.h"
#include "ui/wm/core/window_modality_controller.h"
#if defined(USE_X11)
#include "ui/display/manager/chromeos/x11/native_display_delegate_x11.h"
#include "ui/gfx/x/x11_types.h" // nogncheck
#endif
#if defined(USE_OZONE)
#include "ui/display/types/native_display_delegate.h"
#include "ui/ozone/public/ozone_platform.h"
#endif
namespace ash {
namespace {
using aura::Window;
using views::Widget;
// A Corewm VisibilityController subclass that calls the Ash animation routine
// so we can pick up our extended animations. See ash/wm/window_animations.h.
class AshVisibilityController : public ::wm::VisibilityController {
public:
AshVisibilityController() {}
~AshVisibilityController() override {}
private:
// Overridden from ::wm::VisibilityController:
bool CallAnimateOnChildWindowVisibilityChanged(aura::Window* window,
bool visible) override {
return AnimateOnChildWindowVisibilityChanged(window, visible);
}
DISALLOW_COPY_AND_ASSIGN(AshVisibilityController);
};
} // namespace
// static
Shell* Shell::instance_ = nullptr;
// static
aura::WindowTreeClient* Shell::window_tree_client_ = nullptr;
// static
aura::WindowManagerClient* Shell::window_manager_client_ = nullptr;
// static
bool Shell::initially_hide_cursor_ = false;
////////////////////////////////////////////////////////////////////////////////
// Shell, public:
// static
Shell* Shell::CreateInstance(const ShellInitParams& init_params) {
CHECK(!instance_);
WmShell* wm_shell = init_params.wm_shell;
if (!wm_shell)
wm_shell = new WmShellAura();
instance_ = new Shell(base::WrapUnique<ShellDelegate>(init_params.delegate),
base::WrapUnique<WmShell>(wm_shell));
instance_->Init(init_params);
return instance_;
}
// static
Shell* Shell::Get() {
CHECK(instance_);
return instance_;
}
// static
bool Shell::HasInstance() {
return !!instance_;
}
// static
void Shell::DeleteInstance() {
delete instance_;
}
// static
RootWindowController* Shell::GetPrimaryRootWindowController() {
CHECK(HasInstance());
return GetRootWindowController(GetPrimaryRootWindow());
}
// static
Shell::RootWindowControllerList Shell::GetAllRootWindowControllers() {
CHECK(HasInstance());
RootWindowControllerList root_window_controllers;
for (WmWindow* root_window : instance_->wm_shell_->GetAllRootWindows())
root_window_controllers.push_back(root_window->GetRootWindowController());
return root_window_controllers;
}
// static
RootWindowController* Shell::GetRootWindowControllerWithDisplayId(
int64_t display_id) {
CHECK(HasInstance());
WmWindow* root_window =
instance_->wm_shell_->GetRootWindowForDisplayId(display_id);
return root_window ? root_window->GetRootWindowController() : nullptr;
}
// static
aura::Window* Shell::GetPrimaryRootWindow() {
CHECK(HasInstance());
return instance_->wm_shell_->GetPrimaryRootWindow()->aura_window();
}
// static
aura::Window* Shell::GetRootWindowForNewWindows() {
CHECK(Shell::HasInstance());
return WmWindow::GetAuraWindow(Shell::GetWmRootWindowForNewWindows());
}
// static
WmWindow* Shell::GetWmRootWindowForNewWindows() {
CHECK(Shell::HasInstance());
Shell* shell = Shell::GetInstance();
if (shell->scoped_root_window_for_new_windows_)
return shell->scoped_root_window_for_new_windows_;
return shell->root_window_for_new_windows_;
}
// static
aura::Window::Windows Shell::GetAllRootWindows() {
CHECK(HasInstance());
aura::Window::Windows windows;
for (WmWindow* window : instance_->wm_shell_->GetAllRootWindows())
windows.push_back(window->aura_window());
return windows;
}
// static
aura::Window* Shell::GetContainer(aura::Window* root_window, int container_id) {
return root_window->GetChildById(container_id);
}
// static
const aura::Window* Shell::GetContainer(const aura::Window* root_window,
int container_id) {
return root_window->GetChildById(container_id);
}
views::NonClientFrameView* Shell::CreateDefaultNonClientFrameView(
views::Widget* widget) {
// Use translucent-style window frames for dialogs.
return new CustomFrameViewAsh(widget);
}
void Shell::SetDisplayWorkAreaInsets(Window* contains,
const gfx::Insets& insets) {
wm_shell_->SetDisplayWorkAreaInsets(WmWindow::Get(contains), insets);
}
void Shell::OnLoginStateChanged(LoginStatus status) {
for (auto& observer : shell_observers_)
observer.OnLoginStateChanged(status);
}
void Shell::OnAppTerminating() {
for (auto& observer : shell_observers_)
observer.OnAppTerminating();
}
void Shell::OnLockStateChanged(bool locked) {
for (auto& observer : shell_observers_)
observer.OnLockStateChanged(locked);
#ifndef NDEBUG
// Make sure that there is no system modal in Lock layer when unlocked.
if (!locked) {
aura::Window::Windows containers = wm::GetContainersFromAllRootWindows(
kShellWindowId_LockSystemModalContainer, GetPrimaryRootWindow());
for (aura::Window* container : containers)
DCHECK(container->children().empty());
}
#endif
}
void Shell::OnCastingSessionStartedOrStopped(bool started) {
for (auto& observer : shell_observers_)
observer.OnCastingSessionStartedOrStopped(started);
}
void Shell::OnRootWindowAdded(WmWindow* root_window) {
for (auto& observer : shell_observers_)
observer.OnRootWindowAdded(root_window);
}
void Shell::CreateKeyboard() {
InitKeyboard();
GetPrimaryRootWindowController()->ActivateKeyboard(
keyboard::KeyboardController::GetInstance());
}
void Shell::DeactivateKeyboard() {
// TODO(jamescook): Move keyboard create and hide into WmShell.
keyboard_ui_->Hide();
if (keyboard::KeyboardController::GetInstance()) {
RootWindowControllerList controllers = GetAllRootWindowControllers();
for (RootWindowControllerList::iterator iter = controllers.begin();
iter != controllers.end(); ++iter) {
(*iter)->DeactivateKeyboard(keyboard::KeyboardController::GetInstance());
}
}
keyboard::KeyboardController::ResetInstance(nullptr);
}
bool Shell::ShouldSaveDisplaySettings() {
DCHECK(!wm_shell_->IsRunningInMash());
return !(
screen_orientation_controller_->ignore_display_configuration_updates() ||
resolution_notification_controller_->DoesNotificationTimeout());
}
aura::client::ActivationClient* Shell::activation_client() {
return focus_controller_.get();
}
void Shell::UpdateShelfVisibility() {
for (WmWindow* root : wm_shell_->GetAllRootWindows())
root->GetRootWindowController()->GetShelf()->UpdateVisibilityState();
}
WebNotificationTray* Shell::GetWebNotificationTray() {
return GetPrimaryRootWindowController()
->GetStatusAreaWidget()
->web_notification_tray();
}
bool Shell::HasPrimaryStatusArea() {
return !!GetPrimaryRootWindowController()->GetStatusAreaWidget();
}
SystemTray* Shell::GetPrimarySystemTray() {
return GetPrimaryRootWindowController()->GetSystemTray();
}
void Shell::SetTouchHudProjectionEnabled(bool enabled) {
if (is_touch_hud_projection_enabled_ == enabled)
return;
is_touch_hud_projection_enabled_ = enabled;
for (auto& observer : shell_observers_)
observer.OnTouchHudProjectionToggled(enabled);
}
FirstRunHelper* Shell::CreateFirstRunHelper() {
return new FirstRunHelperImpl;
}
void Shell::SetLargeCursorSizeInDip(int large_cursor_size_in_dip) {
window_tree_host_manager_->cursor_window_controller()
->SetLargeCursorSizeInDip(large_cursor_size_in_dip);
}
void Shell::SetCursorCompositingEnabled(bool enabled) {
window_tree_host_manager_->cursor_window_controller()
->SetCursorCompositingEnabled(enabled);
native_cursor_manager_->SetNativeCursorEnabled(!enabled);
}
void Shell::DoInitialWorkspaceAnimation() {
return GetPrimaryRootWindowController()
->workspace_controller()
->DoInitialAnimation();
}
void Shell::AddShellObserver(ShellObserver* observer) {
shell_observers_.AddObserver(observer);
}
void Shell::RemoveShellObserver(ShellObserver* observer) {
shell_observers_.RemoveObserver(observer);
}
void Shell::ShowAppList() {
// Show the app list on the default display for new windows.
app_list_->Show(
GetWmRootWindowForNewWindows()->GetDisplayNearestWindow().id());
}
void Shell::DismissAppList() {
app_list_->Dismiss();
}
void Shell::ToggleAppList() {
// Toggle the app list on the default display for new windows.
app_list_->ToggleAppList(
GetWmRootWindowForNewWindows()->GetDisplayNearestWindow().id());
}
bool Shell::IsAppListVisible() const {
return app_list_->IsVisible();
}
bool Shell::GetAppListTargetVisibility() const {
return app_list_->GetTargetVisibility();
}
void Shell::NotifyMaximizeModeStarted() {
for (auto& observer : shell_observers_)
observer.OnMaximizeModeStarted();
}
void Shell::NotifyMaximizeModeEnding() {
for (auto& observer : shell_observers_)
observer.OnMaximizeModeEnding();
}
void Shell::NotifyMaximizeModeEnded() {
for (auto& observer : shell_observers_)
observer.OnMaximizeModeEnded();
}
void Shell::NotifyOverviewModeStarting() {
for (auto& observer : shell_observers_)
observer.OnOverviewModeStarting();
}
void Shell::NotifyOverviewModeEnded() {
for (auto& observer : shell_observers_)
observer.OnOverviewModeEnded();
}
void Shell::NotifyFullscreenStateChanged(bool is_fullscreen,
WmWindow* root_window) {
for (auto& observer : shell_observers_)
observer.OnFullscreenStateChanged(is_fullscreen, root_window);
}
void Shell::NotifyPinnedStateChanged(WmWindow* pinned_window) {
for (auto& observer : shell_observers_)
observer.OnPinnedStateChanged(pinned_window);
}
void Shell::NotifyVirtualKeyboardActivated(bool activated,
WmWindow* root_window) {
for (auto& observer : shell_observers_)
observer.OnVirtualKeyboardStateChanged(activated, root_window);
}
void Shell::NotifyShelfCreatedForRootWindow(WmWindow* root_window) {
for (auto& observer : shell_observers_)
observer.OnShelfCreatedForRootWindow(root_window);
}
void Shell::NotifyShelfAlignmentChanged(WmWindow* root_window) {
for (auto& observer : shell_observers_)
observer.OnShelfAlignmentChanged(root_window);
}
void Shell::NotifyShelfAutoHideBehaviorChanged(WmWindow* root_window) {
for (auto& observer : shell_observers_)
observer.OnShelfAutoHideBehaviorChanged(root_window);
}
////////////////////////////////////////////////////////////////////////////////
// Shell, private:
Shell::Shell(std::unique_ptr<ShellDelegate> shell_delegate,
std::unique_ptr<WmShell> wm_shell)
: wm_shell_(std::move(wm_shell)),
brightness_control_delegate_(
base::MakeUnique<system::BrightnessControllerChromeos>()),
cast_config_(base::MakeUnique<CastConfigController>()),
focus_cycler_(base::MakeUnique<FocusCycler>()),
keyboard_brightness_control_delegate_(
base::MakeUnique<KeyboardBrightnessController>()),
locale_notification_controller_(
base::MakeUnique<LocaleNotificationController>()),
shell_delegate_(std::move(shell_delegate)),
system_tray_controller_(base::MakeUnique<SystemTrayController>()),
app_list_(base::MakeUnique<app_list::AppList>()),
link_handler_model_factory_(nullptr),
display_configurator_(new display::DisplayConfigurator()),
native_cursor_manager_(nullptr),
simulate_modal_window_open_for_testing_(false),
is_touch_hud_projection_enabled_(false) {
// TODO(sky): better refactor cash/mash dependencies. Perhaps put all cash
// state on WmShellAura. http://crbug.com/671246.
if (!wm_shell_->IsRunningInMash()) {
gpu_support_.reset(shell_delegate_->CreateGPUSupport());
display_manager_.reset(ScreenAsh::CreateDisplayManager());
window_tree_host_manager_.reset(new WindowTreeHostManager);
user_metrics_recorder_.reset(new UserMetricsRecorder);
}
PowerStatus::Initialize();
}
Shell::~Shell() {
TRACE_EVENT0("shutdown", "ash::Shell::Destructor");
const bool is_mash = wm_shell_->IsRunningInMash();
if (!is_mash)
user_metrics_recorder_->OnShellShuttingDown();
shell_delegate_->PreShutdown();
// Remove the focus from any window. This will prevent overhead and side
// effects (e.g. crashes) from changing focus during shutdown.
// See bug crbug.com/134502.
aura::client::GetFocusClient(GetPrimaryRootWindow())->FocusWindow(nullptr);
// Please keep in same order as in Init() because it's easy to miss one.
if (window_modality_controller_)
window_modality_controller_.reset();
if (!is_mash) {
RemovePreTargetHandler(
window_tree_host_manager_->input_method_event_handler());
}
RemovePreTargetHandler(magnifier_key_scroll_handler_.get());
magnifier_key_scroll_handler_.reset();
RemovePreTargetHandler(speech_feedback_handler_.get());
speech_feedback_handler_.reset();
RemovePreTargetHandler(overlay_filter_.get());
RemovePreTargetHandler(accelerator_filter_.get());
RemovePreTargetHandler(event_transformation_handler_.get());
RemovePreTargetHandler(toplevel_window_event_handler_.get());
RemovePostTargetHandler(toplevel_window_event_handler_.get());
if (!is_mash) {
RemovePreTargetHandler(system_gesture_filter_.get());
RemovePreTargetHandler(mouse_cursor_filter_.get());
}
RemovePreTargetHandler(modality_filter_.get());
// TooltipController is deleted with the Shell so removing its references.
RemovePreTargetHandler(tooltip_controller_.get());
screen_orientation_controller_.reset();
screen_layout_observer_.reset();
// Destroy the virtual keyboard controller before the maximize mode controller
// since the latters destructor triggers events that the former is listening
// to but no longer cares about.
virtual_keyboard_controller_.reset();
// Destroy maximize mode controller early on since it has some observers which
// need to be removed.
wm_shell_->DeleteMaximizeModeController();
// Destroy the keyboard before closing the shelf, since it will invoke a shelf
// layout.
DeactivateKeyboard();
toast_manager_.reset();
// Destroy SystemTrayDelegate before destroying the status area(s). Make sure
// to deinitialize the shelf first, as it is initialized after the delegate.
for (WmWindow* root : wm_shell_->GetAllRootWindows())
root->GetRootWindowController()->GetShelf()->ShutdownShelfWidget();
DeleteSystemTrayDelegate();
// Drag-and-drop must be canceled prior to close all windows.
drag_drop_controller_.reset();
// Controllers who have WindowObserver added must be deleted
// before |window_tree_host_manager_| is deleted.
// VideoActivityNotifier must be deleted before |video_detector_| is
// deleted because it's observing video activity through
// VideoDetector::Observer interface.
video_activity_notifier_.reset();
video_detector_.reset();
high_contrast_controller_.reset();
shadow_controller_.reset();
resize_shadow_controller_.reset();
// Has to happen before ~MruWindowTracker.
wm_shell_->DeleteWindowCycleController();
wm_shell_->DeleteWindowSelectorController();
CloseAllRootWindowChildWindows();
// MruWindowTracker must be destroyed after all windows have been deleted to
// avoid a possible crash when Shell is destroyed from a non-normal shutdown
// path. (crbug.com/485438).
wm_shell_->DeleteMruWindowTracker();
// These need a valid Shell instance to clean up properly, so explicitly
// delete them before invalidating the instance.
// Alphabetical. TODO(oshima): sort.
magnification_controller_.reset();
tooltip_controller_.reset();
event_client_.reset();
toplevel_window_event_handler_.reset();
visibility_controller_.reset();
power_button_controller_.reset();
lock_state_controller_.reset();
screen_pinning_controller_.reset();
resolution_notification_controller_.reset();
screenshot_controller_.reset();
mouse_cursor_filter_.reset();
modality_filter_.reset();
touch_transformer_controller_.reset();
audio_a11y_controller_.reset();
laser_pointer_controller_.reset();
partial_magnification_controller_.reset();
// This also deletes all RootWindows. Note that we invoke Shutdown() on
// WindowTreeHostManager before resetting |window_tree_host_manager_|, since
// destruction
// of its owned RootWindowControllers relies on the value.
ScreenAsh::CreateScreenForShutdown();
display_configuration_controller_.reset();
// AppListDelegateImpl depends upon AppList.
app_list_delegate_impl_.reset();
// These members access Shell in their destructors.
wallpaper_controller_.reset();
accessibility_delegate_.reset();
// Balances the Install() in Initialize().
views::FocusManagerFactory::Install(nullptr);
wm_shell_->Shutdown();
// Depends on |focus_controller_|, so must be destroyed before.
window_tree_host_manager_.reset();
focus_controller_->RemoveObserver(this);
focus_controller_.reset();
screen_position_controller_.reset();
display_color_manager_.reset();
if (display_change_observer_)
display_configurator_->RemoveObserver(display_change_observer_.get());
if (display_error_observer_)
display_configurator_->RemoveObserver(display_error_observer_.get());
if (projecting_observer_) {
display_configurator_->RemoveObserver(projecting_observer_.get());
RemoveShellObserver(projecting_observer_.get());
}
display_change_observer_.reset();
shutdown_observer_.reset();
PowerStatus::Shutdown();
// Ensure that DBusThreadManager outlives this Shell.
DCHECK(chromeos::DBusThreadManager::IsInitialized());
// Needs to happen right before |instance_| is reset.
wm_shell_.reset();
wallpaper_delegate_.reset();
pref_store_ = nullptr;
shell_delegate_.reset();
DCHECK(instance_ == this);
instance_ = nullptr;
}
void Shell::Init(const ShellInitParams& init_params) {
const bool is_mash = wm_shell_->IsRunningInMash();
blocking_pool_ = init_params.blocking_pool;
wallpaper_delegate_ = shell_delegate_->CreateWallpaperDelegate();
// Can be null in tests.
if (shell_delegate_->GetShellConnector()) {
prefs::mojom::PreferencesServiceFactoryPtr pref_factory_ptr;
shell_delegate_->GetShellConnector()->BindInterface(
prefs::mojom::kServiceName, &pref_factory_ptr);
pref_store_ = new preferences::PrefClientStore(std::move(pref_factory_ptr));
}
// Some delegates access WmShell during their construction. Create them here
// instead of the WmShell constructor.
accessibility_delegate_.reset(shell_delegate_->CreateAccessibilityDelegate());
palette_delegate_ = shell_delegate_->CreatePaletteDelegate();
toast_manager_ = base::MakeUnique<ToastManager>();
// Install the custom factory early on so that views::FocusManagers for Tray,
// Shelf, and WallPaper could be created by the factory.
views::FocusManagerFactory::Install(new AshFocusManagerFactory);
wallpaper_controller_ = base::MakeUnique<WallpaperController>(blocking_pool_);
// Start devtools server
devtools_server_ = ui::devtools::UiDevToolsServer::Create(nullptr);
if (devtools_server_) {
auto dom_backend = base::MakeUnique<devtools::AshDevToolsDOMAgent>();
auto css_backend =
base::MakeUnique<devtools::AshDevToolsCSSAgent>(dom_backend.get());
auto devtools_client = base::MakeUnique<ui::devtools::UiDevToolsClient>(
"Ash", devtools_server_.get());
devtools_client->AddAgent(std::move(dom_backend));
devtools_client->AddAgent(std::move(css_backend));
devtools_server_->AttachClient(std::move(devtools_client));
}
if (is_mash)
app_list_delegate_impl_ = base::MakeUnique<AppListDelegateImpl>();
// TODO(sky): move creation to WmShell.
if (!is_mash)
immersive_handler_factory_ = base::MakeUnique<ImmersiveHandlerFactoryAsh>();
scoped_overview_animation_settings_factory_.reset(
new ScopedOverviewAnimationSettingsFactoryAura);
window_positioner_.reset(new WindowPositioner(wm_shell_.get()));
if (!is_mash) {
native_cursor_manager_ = new AshNativeCursorManager;
cursor_manager_.reset(
new CursorManager(base::WrapUnique(native_cursor_manager_)));
}
shell_delegate_->PreInit();
bool display_initialized = true;
if (!is_mash) {
display_initialized = display_manager_->InitFromCommandLine();
display_configuration_controller_.reset(new DisplayConfigurationController(
display_manager_.get(), window_tree_host_manager_.get()));
#if defined(USE_OZONE)
display_configurator_->Init(
ui::OzonePlatform::GetInstance()->CreateNativeDisplayDelegate(),
!gpu_support_->IsPanelFittingDisabled());
#elif defined(USE_X11)
display_configurator_->Init(
base::MakeUnique<display::NativeDisplayDelegateX11>(),
!gpu_support_->IsPanelFittingDisabled());
#endif
}
// The DBusThreadManager must outlive this Shell. See the DCHECK in ~Shell.
chromeos::DBusThreadManager* dbus_thread_manager =
chromeos::DBusThreadManager::Get();
projecting_observer_.reset(
new ProjectingObserver(dbus_thread_manager->GetPowerManagerClient()));
display_configurator_->AddObserver(projecting_observer_.get());
AddShellObserver(projecting_observer_.get());
if (!display_initialized && chromeos::IsRunningAsSystemCompositor()) {
display_change_observer_ = base::MakeUnique<display::DisplayChangeObserver>(
display_configurator_.get(), display_manager_.get());
shutdown_observer_ =
base::MakeUnique<ShutdownObserver>(display_configurator_.get());
// Register |display_change_observer_| first so that the rest of
// observer gets invoked after the root windows are configured.
display_configurator_->AddObserver(display_change_observer_.get());
display_error_observer_.reset(new DisplayErrorObserver());
display_configurator_->AddObserver(display_error_observer_.get());
display_configurator_->set_state_controller(display_change_observer_.get());
display_configurator_->set_mirroring_controller(display_manager_.get());
display_configurator_->ForceInitialConfigure(
base::CommandLine::ForCurrentProcess()->HasSwitch(
chromeos::switches::kFirstExecAfterBoot)
? kChromeOsBootColor
: 0);
display_initialized = true;
}
display_color_manager_.reset(new DisplayColorManager(
display_configurator_.get(), init_params.blocking_pool));
if (!display_initialized)
display_manager_->InitDefaultDisplay();
if (!is_mash) {
display_manager_->RefreshFontParams();
aura::Env::GetInstance()->set_context_factory(init_params.context_factory);
aura::Env::GetInstance()->set_context_factory_private(
init_params.context_factory_private);
}
// The WindowModalityController needs to be at the front of the input event
// pretarget handler list to ensure that it processes input events when modal
// windows are active.
window_modality_controller_.reset(new ::wm::WindowModalityController(this));
env_filter_.reset(new ::wm::CompoundEventFilter);
AddPreTargetHandler(env_filter_.get());
// FocusController takes ownership of AshFocusRules.
focus_controller_ =
base::MakeUnique<::wm::FocusController>(new wm::AshFocusRules());
focus_controller_->AddObserver(this);
screen_position_controller_.reset(new ScreenPositionController);
wm_shell_->CreatePrimaryHost();
root_window_for_new_windows_ = WmWindow::Get(GetPrimaryRootWindow());
if (!is_mash) {
resolution_notification_controller_.reset(
new ResolutionNotificationController);
}
if (cursor_manager_) {
cursor_manager_->SetDisplay(
display::Screen::GetScreen()->GetPrimaryDisplay());
}
accelerator_controller_ = wm_shell_->CreateAcceleratorController();
wm_shell_->CreateMaximizeModeController();
if (!is_mash) {
AddPreTargetHandler(
window_tree_host_manager_->input_method_event_handler());
}
magnifier_key_scroll_handler_ = MagnifierKeyScroller::CreateHandler();
AddPreTargetHandler(magnifier_key_scroll_handler_.get());
speech_feedback_handler_ = SpokenFeedbackToggler::CreateHandler();
AddPreTargetHandler(speech_feedback_handler_.get());
// The order in which event filters are added is significant.
// ui::UserActivityDetector passes events to observers, so let them get
// rewritten first.
user_activity_detector_.reset(new ui::UserActivityDetector);
overlay_filter_.reset(new OverlayEventFilter);
AddPreTargetHandler(overlay_filter_.get());
AddShellObserver(overlay_filter_.get());
accelerator_filter_.reset(new ::wm::AcceleratorFilter(
std::unique_ptr<::wm::AcceleratorDelegate>(new AcceleratorDelegate),
accelerator_controller_->accelerator_history()));
AddPreTargetHandler(accelerator_filter_.get());
event_transformation_handler_.reset(new EventTransformationHandler);
AddPreTargetHandler(event_transformation_handler_.get());
toplevel_window_event_handler_.reset(
new ToplevelWindowEventHandler(wm_shell_.get()));
if (!is_mash) {
system_gesture_filter_.reset(new SystemGestureEventFilter);
AddPreTargetHandler(system_gesture_filter_.get());
}
sticky_keys_controller_.reset(new StickyKeysController);
if (!is_mash) {
screen_pinning_controller_.reset(
new ScreenPinningController(window_tree_host_manager_.get()));
}
lock_state_controller_ =
base::MakeUnique<LockStateController>(wm_shell_->shutdown_controller());
power_button_controller_.reset(
new PowerButtonController(lock_state_controller_.get()));
// Pass the initial display state to PowerButtonController.
power_button_controller_->OnDisplayModeChanged(
display_configurator_->cached_displays());
AddShellObserver(lock_state_controller_.get());
// The connector is unavailable in some tests.
if (is_mash && shell_delegate_->GetShellConnector()) {
ui::mojom::UserActivityMonitorPtr user_activity_monitor;
shell_delegate_->GetShellConnector()->BindInterface(ui::mojom::kServiceName,
&user_activity_monitor);
user_activity_forwarder_ = base::MakeUnique<aura::UserActivityForwarder>(
std::move(user_activity_monitor), user_activity_detector_.get());
}
drag_drop_controller_.reset(new DragDropController);
// |screenshot_controller_| needs to be created (and prepended as a
// pre-target handler) at this point, because |mouse_cursor_filter_| needs to
// process mouse events prior to screenshot session.
// See http://crbug.com/459214
screenshot_controller_.reset(new ScreenshotController());
if (!is_mash) {
mouse_cursor_filter_.reset(new MouseCursorEventFilter());
PrependPreTargetHandler(mouse_cursor_filter_.get());
}
// Create Controllers that may need root window.
// TODO(oshima): Move as many controllers before creating
// RootWindowController as possible.
visibility_controller_.reset(new AshVisibilityController);
laser_pointer_controller_.reset(new LaserPointerController());
partial_magnification_controller_.reset(new PartialMagnificationController());
magnification_controller_.reset(MagnificationController::CreateInstance());
wm_shell_->CreateMruWindowTracker();
autoclick_controller_.reset(AutoclickController::CreateInstance());
high_contrast_controller_.reset(new HighContrastController);
video_detector_.reset(new VideoDetector);
tooltip_controller_.reset(new views::corewm::TooltipController(
std::unique_ptr<views::corewm::Tooltip>(new views::corewm::TooltipAura)));
AddPreTargetHandler(tooltip_controller_.get());
modality_filter_.reset(new SystemModalContainerEventFilter(this));
AddPreTargetHandler(modality_filter_.get());
event_client_.reset(new EventClientImpl);
session_state_delegate_.reset(shell_delegate_->CreateSessionStateDelegate());
// Must occur after Shell has installed its early pre-target handlers (for
// example, WindowModalityController).
wm_shell_->CreatePointerWatcherAdapter();
resize_shadow_controller_.reset(new ResizeShadowController());
shadow_controller_.reset(new ::wm::ShadowController(focus_controller_.get()));
SetSystemTrayDelegate(
base::WrapUnique(shell_delegate_->CreateSystemTrayDelegate()));
// Create AshTouchTransformController before
// WindowTreeHostManager::InitDisplays()
// since AshTouchTransformController listens on
// WindowTreeHostManager::Observer::OnDisplaysInitialized().
if (!is_mash) {
touch_transformer_controller_.reset(new AshTouchTransformController(
display_configurator_.get(), display_manager_.get()));
}
keyboard_ui_ = wm_shell_->CreateKeyboardUI();
wm_shell_->InitHosts(init_params);
// Needs to be created after InitDisplays() since it may cause the virtual
// keyboard to be deployed.
if (!is_mash)
virtual_keyboard_controller_.reset(new VirtualKeyboardController);
audio_a11y_controller_.reset(new chromeos::AudioA11yController);
// Initialize the wallpaper after the RootWindowController has been created,
// otherwise the widget will not paint when restoring after a browser crash.
// Also, initialize after display initialization to ensure correct sizing.
wallpaper_delegate_->InitializeWallpaper();
if (cursor_manager_) {
if (initially_hide_cursor_)