chromeos: Move files in //ash/common to //ash, part 2

ash/common/wm_shell.cc

-// 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_shell.h"
-
-#include <utility>
-
-#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/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/keyboard/keyboard_ui.h"
-#include "ash/common/media_controller.h"
-#include "ash/common/new_window_controller.h"
-#include "ash/common/palette_delegate.h"
-#include "ash/common/session/session_controller.h"
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/shelf/app_list_shelf_item_delegate.h"
-#include "ash/common/shelf/shelf_controller.h"
-#include "ash/common/shelf/shelf_delegate.h"
-#include "ash/common/shelf/shelf_model.h"
-#include "ash/common/shelf/shelf_window_watcher.h"
-#include "ash/common/shell_delegate.h"
-#include "ash/common/shutdown_controller.h"
-#include "ash/common/wallpaper/wallpaper_controller.h"
-#include "ash/common/wallpaper/wallpaper_delegate.h"
-#include "ash/common/wm/immersive_context_ash.h"
-#include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
-#include "ash/common/wm/mru_window_tracker.h"
-#include "ash/common/wm/overview/window_selector_controller.h"
-#include "ash/common/wm/root_window_finder.h"
-#include "ash/common/wm/system_modal_container_layout_manager.h"
-#include "ash/common/wm/window_cycle_controller.h"
-#include "ash/common/wm_activation_observer.h"
-#include "ash/common/wm_window.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/root_window_controller.h"
-#include "ash/shell.h"
-#include "ash/system/brightness/brightness_controller_chromeos.h"
-#include "ash/system/brightness_control_delegate.h"
-#include "ash/system/keyboard_brightness_control_delegate.h"
-#include "ash/system/keyboard_brightness_controller.h"
-#include "ash/system/locale/locale_notification_controller.h"
-#include "ash/system/network/vpn_list.h"
-#include "ash/system/session/logout_confirmation_controller.h"
-#include "ash/system/toast/toast_manager.h"
-#include "ash/system/tray/system_tray_controller.h"
-#include "ash/system/tray/system_tray_delegate.h"
-#include "ash/system/tray/system_tray_notifier.h"
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
-#include "base/threading/sequenced_worker_pool.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 "ui/app_list/presenter/app_list.h"
-#include "ui/display/display.h"
-#include "ui/views/focus/focus_manager_factory.h"
-#include "ui/wm/public/activation_client.h"
-
-namespace ash {
-
-// static
-WmShell* WmShell::instance_ = nullptr;
-
-WmShell::~WmShell() {
-  session_controller_->RemoveSessionStateObserver(this);
-}
-
-// static
-void WmShell::Set(WmShell* instance) {
-  instance_ = instance;
-}
-
-// static
-WmShell* WmShell::Get() {
-  return instance_;
-}
-
-void WmShell::Initialize(const scoped_refptr<base::SequencedWorkerPool>& pool) {
-  blocking_pool_ = pool;
-
-  // Some delegates access WmShell during their construction. Create them here
-  // instead of the WmShell constructor.
-  accessibility_delegate_.reset(delegate_->CreateAccessibilityDelegate());
-  palette_delegate_ = delegate_->CreatePaletteDelegate();
-  toast_manager_.reset(new ToastManager);
-
-  // Create the app list item in the shelf data model.
-  AppListShelfItemDelegate::CreateAppListItemAndDelegate(shelf_model());
-
-  // 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_.reset(new WallpaperController(blocking_pool_));
-
-  // Start devtools server
-  devtools_server_ = ui::devtools::UiDevToolsServer::Create(nullptr);
-  if (devtools_server_) {
-    auto dom_backend = base::MakeUnique<devtools::AshDevToolsDOMAgent>(this);
-    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));
-  }
-}
-
-void WmShell::Shutdown() {
-  if (added_activation_observer_)
-    Shell::GetInstance()->activation_client()->RemoveObserver(this);
-
-  // These members access WmShell in their destructors.
-  wallpaper_controller_.reset();
-  accessibility_delegate_.reset();
-
-  // ShelfWindowWatcher has window observers and a pointer to the shelf model.
-  shelf_window_watcher_.reset();
-  // ShelfItemDelegate subclasses it owns have complex cleanup to run (e.g. ARC
-  // shelf items in Chrome) so explicitly shutdown early.
-  shelf_model()->DestroyItemDelegates();
-  // Must be destroyed before FocusClient.
-  shelf_delegate_.reset();
-
-  // Balances the Install() in Initialize().
-  views::FocusManagerFactory::Install(nullptr);
-
-  // Removes itself as an observer of |pref_store_|.
-  shelf_controller_.reset();
-}
-
-ShelfModel* WmShell::shelf_model() {
-  return shelf_controller_->model();
-}
-
-void WmShell::ShowContextMenu(const gfx::Point& location_in_screen,
-                              ui::MenuSourceType source_type) {
-  // Bail if there is no active user session or if the screen is locked.
-  if (GetSessionStateDelegate()->NumberOfLoggedInUsers() < 1 ||
-      GetSessionStateDelegate()->IsScreenLocked()) {
-    return;
-  }
-
-  WmWindow* root = wm::GetRootWindowAt(location_in_screen);
-  root->GetRootWindowController()->ShowContextMenu(location_in_screen,
-                                                   source_type);
-}
-
-void WmShell::CreateShelfView() {
-  // Must occur after SessionStateDelegate creation and user login.
-  DCHECK(GetSessionStateDelegate());
-  DCHECK_GT(GetSessionStateDelegate()->NumberOfLoggedInUsers(), 0);
-  CreateShelfDelegate();
-
-  for (WmWindow* root_window : GetAllRootWindows())
-    root_window->GetRootWindowController()->CreateShelfView();
-}
-
-void WmShell::CreateShelfDelegate() {
-  // May be called multiple times as shelves are created and destroyed.
-  if (shelf_delegate_)
-    return;
-  // Must occur after SessionStateDelegate creation and user login because
-  // Chrome's implementation of ShelfDelegate assumes it can get information
-  // about multi-profile login state.
-  DCHECK(GetSessionStateDelegate());
-  DCHECK_GT(GetSessionStateDelegate()->NumberOfLoggedInUsers(), 0);
-  shelf_delegate_.reset(delegate_->CreateShelfDelegate(shelf_model()));
-  shelf_window_watcher_.reset(new ShelfWindowWatcher(shelf_model()));
-}
-
-void WmShell::OnMaximizeModeStarted() {
-  for (auto& observer : shell_observers_)
-    observer.OnMaximizeModeStarted();
-}
-
-void WmShell::OnMaximizeModeEnding() {
-  for (auto& observer : shell_observers_)
-    observer.OnMaximizeModeEnding();
-}
-
-void WmShell::OnMaximizeModeEnded() {
-  for (auto& observer : shell_observers_)
-    observer.OnMaximizeModeEnded();
-}
-
-void WmShell::UpdateAfterLoginStatusChange(LoginStatus status) {
-  for (WmWindow* root_window : GetAllRootWindows()) {
-    root_window->GetRootWindowController()->UpdateAfterLoginStatusChange(
-        status);
-  }
-}
-
-void WmShell::NotifyFullscreenStateChanged(bool is_fullscreen,
-                                           WmWindow* root_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnFullscreenStateChanged(is_fullscreen, root_window);
-}
-
-void WmShell::NotifyPinnedStateChanged(WmWindow* pinned_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnPinnedStateChanged(pinned_window);
-}
-
-void WmShell::NotifyVirtualKeyboardActivated(bool activated) {
-  for (auto& observer : shell_observers_)
-    observer.OnVirtualKeyboardStateChanged(activated);
-}
-
-void WmShell::NotifyShelfCreatedForRootWindow(WmWindow* root_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnShelfCreatedForRootWindow(root_window);
-}
-
-void WmShell::NotifyShelfAlignmentChanged(WmWindow* root_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnShelfAlignmentChanged(root_window);
-}
-
-void WmShell::NotifyShelfAutoHideBehaviorChanged(WmWindow* root_window) {
-  for (auto& observer : shell_observers_)
-    observer.OnShelfAutoHideBehaviorChanged(root_window);
-}
-
-void WmShell::AddActivationObserver(WmActivationObserver* observer) {
-  if (!added_activation_observer_) {
-    added_activation_observer_ = true;
-    Shell::GetInstance()->activation_client()->AddObserver(this);
-  }
-  activation_observers_.AddObserver(observer);
-}
-
-void WmShell::RemoveActivationObserver(WmActivationObserver* observer) {
-  activation_observers_.RemoveObserver(observer);
-}
-
-void WmShell::AddShellObserver(ShellObserver* observer) {
-  shell_observers_.AddObserver(observer);
-}
-
-void WmShell::RemoveShellObserver(ShellObserver* observer) {
-  shell_observers_.RemoveObserver(observer);
-}
-
-void WmShell::OnLockStateEvent(LockStateObserver::EventType event) {
-  for (auto& observer : lock_state_observers_)
-    observer.OnLockStateEvent(event);
-}
-
-void WmShell::AddLockStateObserver(LockStateObserver* observer) {
-  lock_state_observers_.AddObserver(observer);
-}
-
-void WmShell::RemoveLockStateObserver(LockStateObserver* observer) {
-  lock_state_observers_.RemoveObserver(observer);
-}
-
-void WmShell::SetShelfDelegateForTesting(
-    std::unique_ptr<ShelfDelegate> test_delegate) {
-  shelf_delegate_ = std::move(test_delegate);
-}
-
-void WmShell::SetPaletteDelegateForTesting(
-    std::unique_ptr<PaletteDelegate> palette_delegate) {
-  palette_delegate_ = std::move(palette_delegate);
-}
-
-WmShell::WmShell(std::unique_ptr<ShellDelegate> shell_delegate)
-    : delegate_(std::move(shell_delegate)),
-      app_list_(base::MakeUnique<app_list::AppList>()),
-      brightness_control_delegate_(
-          base::MakeUnique<system::BrightnessControllerChromeos>()),
-      cast_config_(base::MakeUnique<CastConfigController>()),
-      focus_cycler_(base::MakeUnique<FocusCycler>()),
-      immersive_context_(base::MakeUnique<ImmersiveContextAsh>()),
-      keyboard_brightness_control_delegate_(
-          base::MakeUnique<KeyboardBrightnessController>()),
-      locale_notification_controller_(
-          base::MakeUnique<LocaleNotificationController>()),
-      media_controller_(base::MakeUnique<MediaController>()),
-      new_window_controller_(base::MakeUnique<NewWindowController>()),
-      session_controller_(base::MakeUnique<SessionController>()),
-      shelf_controller_(base::MakeUnique<ShelfController>()),
-      shutdown_controller_(base::MakeUnique<ShutdownController>()),
-      system_tray_controller_(base::MakeUnique<SystemTrayController>()),
-      system_tray_notifier_(base::MakeUnique<SystemTrayNotifier>()),
-      vpn_list_(base::MakeUnique<VpnList>()),
-      wallpaper_delegate_(delegate_->CreateWallpaperDelegate()),
-      window_cycle_controller_(base::MakeUnique<WindowCycleController>()),
-      window_selector_controller_(
-          base::MakeUnique<WindowSelectorController>()) {
-  session_controller_->AddSessionStateObserver(this);
-
-  prefs::mojom::PreferencesServiceFactoryPtr pref_factory_ptr;
-  // Can be null in tests.
-  if (!delegate_->GetShellConnector())
-    return;
-  delegate_->GetShellConnector()->BindInterface(prefs::mojom::kServiceName,
-                                                &pref_factory_ptr);
-  pref_store_ = new preferences::PrefClientStore(std::move(pref_factory_ptr));
-}
-
-RootWindowController* WmShell::GetPrimaryRootWindowController() {
-  return GetPrimaryRootWindow()->GetRootWindowController();
-}
-
-WmWindow* WmShell::GetRootWindowForNewWindows() {
-  if (scoped_root_window_for_new_windows_)
-    return scoped_root_window_for_new_windows_;
-  return root_window_for_new_windows_;
-}
-
-bool WmShell::IsSystemModalWindowOpen() {
-  if (simulate_modal_window_open_for_testing_)
-    return true;
-
-  // Traverse all system modal containers, and find its direct child window
-  // with "SystemModal" setting, and visible.
-  for (WmWindow* root : GetAllRootWindows()) {
-    WmWindow* system_modal =
-        root->GetChildByShellWindowId(kShellWindowId_SystemModalContainer);
-    if (!system_modal)
-      continue;
-    for (const WmWindow* child : system_modal->GetChildren()) {
-      if (child->IsSystemModal() && child->GetTargetVisibility()) {
-        return true;
-      }
-    }
-  }
-  return false;
-}
-
-void WmShell::CreateModalBackground(WmWindow* window) {
-  for (WmWindow* root_window : GetAllRootWindows()) {
-    root_window->GetRootWindowController()
-        ->GetSystemModalLayoutManager(window)
-        ->CreateModalBackground();
-  }
-}
-
-void WmShell::OnModalWindowRemoved(WmWindow* removed) {
-  WmWindow::Windows root_windows = GetAllRootWindows();
-  for (WmWindow* root_window : root_windows) {
-    if (root_window->GetRootWindowController()
-            ->GetSystemModalLayoutManager(removed)
-            ->ActivateNextModalWindow()) {
-      return;
-    }
-  }
-  for (WmWindow* root_window : root_windows) {
-    root_window->GetRootWindowController()
-        ->GetSystemModalLayoutManager(removed)
-        ->DestroyModalBackground();
-  }
-}
-
-void WmShell::ShowAppList() {
-  // Show the app list on the default display for new windows.
-  app_list_->Show(GetRootWindowForNewWindows()->GetDisplayNearestWindow().id());
-}
-
-void WmShell::DismissAppList() {
-  app_list_->Dismiss();
-}
-
-void WmShell::ToggleAppList() {
-  // Toggle the app list on the default display for new windows.
-  app_list_->ToggleAppList(
-      GetRootWindowForNewWindows()->GetDisplayNearestWindow().id());
-}
-
-bool WmShell::IsApplistVisible() const {
-  return app_list_->IsVisible();
-}
-
-bool WmShell::GetAppListTargetVisibility() const {
-  return app_list_->GetTargetVisibility();
-}
-
-void WmShell::SetKeyboardUI(std::unique_ptr<KeyboardUI> keyboard_ui) {
-  keyboard_ui_ = std::move(keyboard_ui);
-}
-
-void WmShell::SetSystemTrayDelegate(
-    std::unique_ptr<SystemTrayDelegate> delegate) {
-  DCHECK(delegate);
-  system_tray_delegate_ = std::move(delegate);
-  system_tray_delegate_->Initialize();
-  // Accesses WmShell in its constructor.
-  logout_confirmation_controller_.reset(new LogoutConfirmationController(
-      base::Bind(&SystemTrayController::SignOut,
-                 base::Unretained(system_tray_controller_.get()))));
-}
-
-void WmShell::DeleteSystemTrayDelegate() {
-  DCHECK(system_tray_delegate_);
-  // Accesses WmShell in its destructor.
-  logout_confirmation_controller_.reset();
-  system_tray_delegate_.reset();
-}
-
-void WmShell::DeleteWindowCycleController() {
-  window_cycle_controller_.reset();
-}
-
-void WmShell::DeleteWindowSelectorController() {
-  window_selector_controller_.reset();
-}
-
-void WmShell::CreateMaximizeModeController() {
-  maximize_mode_controller_.reset(new MaximizeModeController);
-}
-
-void WmShell::DeleteMaximizeModeController() {
-  maximize_mode_controller_.reset();
-}
-
-void WmShell::CreateMruWindowTracker() {
-  mru_window_tracker_.reset(new MruWindowTracker);
-}
-
-void WmShell::DeleteMruWindowTracker() {
-  mru_window_tracker_.reset();
-}
-
-void WmShell::DeleteToastManager() {
-  toast_manager_.reset();
-}
-
-void WmShell::SetAcceleratorController(
-    std::unique_ptr<AcceleratorController> accelerator_controller) {
-  accelerator_controller_ = std::move(accelerator_controller);
-}
-
-void WmShell::SessionStateChanged(session_manager::SessionState state) {
-  // Create the shelf when a session becomes active. It's safe to do this
-  // multiple times (e.g. initial login vs. multiprofile add session).
-  if (state == session_manager::SessionState::ACTIVE)
-    CreateShelfView();
-}
-
-void WmShell::OnWindowActivated(
-    aura::client::ActivationChangeObserver::ActivationReason reason,
-    aura::Window* gained_active,
-    aura::Window* lost_active) {
-  WmWindow* gained_active_wm = WmWindow::Get(gained_active);
-  WmWindow* lost_active_wm = WmWindow::Get(lost_active);
-  if (gained_active_wm)
-    set_root_window_for_new_windows(gained_active_wm->GetRootWindow());
-  for (auto& observer : activation_observers_)
-    observer.OnWindowActivated(gained_active_wm, lost_active_wm);
-}
-
-void WmShell::OnAttemptToReactivateWindow(aura::Window* request_active,
-                                          aura::Window* actual_active) {
-  for (auto& observer : activation_observers_) {
-    observer.OnAttemptToReactivateWindow(WmWindow::Get(request_active),
-                                         WmWindow::Get(actual_active));
-  }
-}
-
-}  // namespace ash