Ports SystemModalContainerLayoutManager to ash/common

ash/common/wm_shell.h

 // 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.
 
 #ifndef ASH_COMMON_WM_SHELL_H_
 #define ASH_COMMON_WM_SHELL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 53 matching lines @@
 class SystemTrayNotifier;
 class ToastManager;
 class WallpaperController;
 class WallpaperDelegate;
 class WindowCycleController;
 class WindowCycleEventFilter;
 class WindowResizer;
 class WindowSelectorController;
 class WmActivationObserver;
 class WmDisplayObserver;
+class WmRootWindowController;
 class WmWindow;
 class WorkspaceEventHandler;
 
 enum class TaskSwitchSource;
 
 namespace wm {
 class MaximizeModeEventHandler;
 class WindowState;
 }
 
@@ skipping 83 matching lines @@
   }
 
   virtual WmWindow* NewWindow(ui::wm::WindowType window_type,
                               ui::LayerType layer_type) = 0;
 
   virtual WmWindow* GetFocusedWindow() = 0;
   virtual WmWindow* GetActiveWindow() = 0;
 
   virtual WmWindow* GetCaptureWindow() = 0;
 
+  // Convenience for GetPrimaryRootWindow()->GetRootWindowController().
+  WmRootWindowController* GetPrimaryRootWindowController();
+
   virtual WmWindow* GetPrimaryRootWindow() = 0;
 
   // Returns the root window for the specified display.
   virtual WmWindow* GetRootWindowForDisplayId(int64_t display_id) = 0;
 
   // Returns the root window that newly created windows should be added to.
   // Value can be temporarily overridden using ScopedRootWindowForNewWindows.
   // NOTE: this returns the root, newly created window should be added to the
   // appropriate container in the returned window.
   WmWindow* GetRootWindowForNewWindows();
@@ skipping 21 matching lines @@
   // the window size.
   virtual bool IsForceMaximizeOnFirstRun() = 0;
 
   // Sets work area insets of the display containing |window|, pings observers.
   virtual void SetDisplayWorkAreaInsets(WmWindow* window,
                                         const gfx::Insets& insets) = 0;
 
   // Returns true if a system-modal dialog window is currently open.
   bool IsSystemModalWindowOpen();
 
+  // Creates a modal background (a partially-opaque fullscreen window) on all
+  // displays for |window|.
+  void CreateModalBackground(WmWindow* window);
+
+  // Called when a modal window is removed. It will activate another modal
+  // window if any, or remove modal screens on all displays.
+  void OnModalWindowRemoved(WmWindow* removed);
+
   // For testing only: set simulation that a modal window is open
   void SimulateModalWindowOpenForTesting(bool modal_window_open) {
     simulate_modal_window_open_for_testing_ = modal_window_open;
   }
 
   // Shows the app list on the active root window.
   void ShowAppList();
 
   // Dismisses the app list.
   void DismissAppList();
@@ skipping 222 matching lines @@
   scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
 
 #if defined(OS_CHROMEOS)
   std::unique_ptr<LogoutConfirmationController> logout_confirmation_controller_;
 #endif
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_SHELL_H_