| // 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. |
| |
| #ifndef ASH_ROOT_WINDOW_CONTROLLER_H_ |
| #define ASH_ROOT_WINDOW_CONTROLLER_H_ |
| |
| #include <map> |
| |
| #include "ash/ash_export.h" |
| #include "ash/shelf/shelf_types.h" |
| #include "ash/shell_observer.h" |
| #include "ash/system/user/login_status.h" |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "ui/aura/window.h" |
| #include "ui/aura/window_tree_host.h" |
| #include "ui/base/ui_base_types.h" |
| |
| class SkBitmap; |
| |
| namespace aura { |
| class EventFilter; |
| class Window; |
| } |
| |
| namespace gfx { |
| class Point; |
| } |
| |
| namespace keyboard { |
| class KeyboardController; |
| } |
| |
| namespace ui { |
| class EventHandler; |
| } |
| |
| namespace views { |
| class Widget; |
| } |
| |
| namespace wm { |
| class InputMethodEventFilter; |
| class RootWindowEventFilter; |
| class ScopedCaptureClient; |
| } |
| |
| namespace ash { |
| class AshWindowTreeHost; |
| class AlwaysOnTopController; |
| class AnimatingDesktopController; |
| class DesktopBackgroundWidgetController; |
| class DockedWindowLayoutManager; |
| class PanelLayoutManager; |
| class RootWindowLayoutManager; |
| class ScreenDimmer; |
| class ShelfLayoutManager; |
| class ShelfWidget; |
| class StackingController; |
| class StatusAreaWidget; |
| class SystemBackgroundController; |
| class SystemModalContainerLayoutManager; |
| class SystemTray; |
| class TouchHudDebug; |
| class TouchHudProjection; |
| class WorkspaceController; |
| |
| #if defined(OS_CHROMEOS) |
| class BootSplashScreen; |
| class AccessibilityObserver; |
| #endif |
| |
| // This class maintains the per root window state for ash. This class |
| // owns the root window and other dependent objects that should be |
| // deleted upon the deletion of the root window. This object is |
| // indirectly owned and deleted by |DisplayController|. |
| // The RootWindowController for particular root window is stored in |
| // its property (RootWindowSettings) and can be obtained using |
| // |GetRootWindowController(aura::WindowEventDispatcher*)| function. |
| class ASH_EXPORT RootWindowController : public ShellObserver { |
| public: |
| // Creates and Initialize the RootWindowController for primary display. |
| static void CreateForPrimaryDisplay(AshWindowTreeHost* host); |
| |
| // Creates and Initialize the RootWindowController for secondary displays. |
| static void CreateForSecondaryDisplay(AshWindowTreeHost* host); |
| |
| // Creates and Initialize the RootWindowController for virtual |
| // keyboard displays. |
| static void CreateForVirtualKeyboardDisplay(AshWindowTreeHost* host); |
| |
| // Returns a RootWindowController that has a shelf for given |
| // |window|. This returns the RootWindowController for the |window|'s |
| // root window when multiple shelf mode is enabled, or the primary |
| // RootWindowController otherwise. |
| static RootWindowController* ForShelf(const aura::Window* window); |
| |
| // Returns a RootWindowController of the window's root window. |
| static RootWindowController* ForWindow(const aura::Window* window); |
| |
| // Returns the RootWindowController of the target root window. |
| static RootWindowController* ForTargetRootWindow(); |
| |
| // Returns container which contains a given |window|. |
| static aura::Window* GetContainerForWindow(aura::Window* window); |
| |
| virtual ~RootWindowController(); |
| |
| AshWindowTreeHost* ash_host() { return ash_host_.get(); } |
| const AshWindowTreeHost* ash_host() const { return ash_host_.get(); } |
| |
| aura::WindowTreeHost* GetHost(); |
| const aura::WindowTreeHost* GetHost() const; |
| aura::Window* GetRootWindow(); |
| const aura::Window* GetRootWindow() const; |
| |
| RootWindowLayoutManager* root_window_layout() { return root_window_layout_; } |
| |
| WorkspaceController* workspace_controller() { |
| return workspace_controller_.get(); |
| } |
| |
| AlwaysOnTopController* always_on_top_controller() { |
| return always_on_top_controller_.get(); |
| } |
| |
| ScreenDimmer* screen_dimmer() { return screen_dimmer_.get(); } |
| |
| // Access the shelf associated with this root window controller, |
| // NULL if no such shelf exists. |
| ShelfWidget* shelf() { return shelf_.get(); } |
| |
| // Get touch HUDs associated with this root window controller. |
| TouchHudDebug* touch_hud_debug() const { |
| return touch_hud_debug_; |
| } |
| TouchHudProjection* touch_hud_projection() const { |
| return touch_hud_projection_; |
| } |
| |
| // Set touch HUDs for this root window controller. The root window controller |
| // will not own the HUDs; their lifetimes are managed by themselves. Whenever |
| // the widget showing a HUD is being destroyed (e.g. because of detaching a |
| // display), the HUD deletes itself. |
| void set_touch_hud_debug(TouchHudDebug* hud) { |
| touch_hud_debug_ = hud; |
| } |
| void set_touch_hud_projection(TouchHudProjection* hud) { |
| touch_hud_projection_ = hud; |
| } |
| |
| DesktopBackgroundWidgetController* wallpaper_controller() { |
| return wallpaper_controller_.get(); |
| } |
| void SetWallpaperController(DesktopBackgroundWidgetController* controller); |
| AnimatingDesktopController* animating_wallpaper_controller() { |
| return animating_wallpaper_controller_.get(); |
| } |
| void SetAnimatingWallpaperController(AnimatingDesktopController* controller); |
| |
| // Access the shelf layout manager associated with this root |
| // window controller, NULL if no such shelf exists. |
| ShelfLayoutManager* GetShelfLayoutManager(); |
| |
| // Returns the system tray on this root window. Note that |
| // calling this on the root window that doesn't have a shelf will |
| // lead to a crash. |
| SystemTray* GetSystemTray(); |
| |
| // Shows context menu at the |location_in_screen|. This uses |
| // |ShellDelegate::CreateContextMenu| to define the content of the menu. |
| void ShowContextMenu(const gfx::Point& location_in_screen, |
| ui::MenuSourceType source_type); |
| |
| // Returns the layout-manager for the appropriate modal-container. If the |
| // window is inside the lockscreen modal container, then the layout manager |
| // for that is returned. Otherwise the layout manager for the default modal |
| // container is returned. |
| // If no window is specified (i.e. |window| is NULL), then the lockscreen |
| // modal container is used if the screen is currently locked. Otherwise, the |
| // default modal container is used. |
| SystemModalContainerLayoutManager* GetSystemModalLayoutManager( |
| aura::Window* window); |
| |
| aura::Window* GetContainer(int container_id); |
| const aura::Window* GetContainer(int container_id) const; |
| |
| // Show shelf view if it was created hidden (before session has started). |
| void ShowShelf(); |
| |
| // Called when the shelf associated with this root window is created. |
| void OnShelfCreated(); |
| |
| // Called when the login status changes after login (such as lock/unlock). |
| // TODO(oshima): Investigate if we can merge this and |OnLoginStateChanged|. |
| void UpdateAfterLoginStatusChange(user::LoginStatus status); |
| |
| // Called when the brightness/grayscale animation from white to the login |
| // desktop background image has started. Starts |boot_splash_screen_|'s |
| // hiding animation (if the screen is non-NULL). |
| void HandleInitialDesktopBackgroundAnimationStarted(); |
| |
| // Called when the wallpaper ainmation is finished. Updates |background_| |
| // to be black and drops |boot_splash_screen_| and moves the wallpaper |
| // controller into the root window controller. |widget| holds the wallpaper |
| // image, or NULL if the background is a solid color. |
| void OnWallpaperAnimationFinished(views::Widget* widget); |
| |
| // Deletes associated objects and clears the state, but doesn't delete |
| // the root window yet. This is used to delete a secondary displays' |
| // root window safely when the display disconnect signal is received, |
| // which may come while we're in the nested message loop. |
| void Shutdown(); |
| |
| // Deletes all child windows and performs necessary cleanup. |
| void CloseChildWindows(); |
| |
| // Moves child windows to |dest|. |
| void MoveWindowsTo(aura::Window* dest); |
| |
| // Force the shelf to query for it's current visibility state. |
| void UpdateShelfVisibility(); |
| |
| // Initialize touch HUDs if necessary. |
| void InitTouchHuds(); |
| |
| // Returns the topmost window or one of its transient parents, if any of them |
| // are in fullscreen mode. |
| const aura::Window* GetWindowForFullscreenMode() const; |
| |
| // Activate virtual keyboard on current root window controller. |
| void ActivateKeyboard(keyboard::KeyboardController* keyboard_controller); |
| |
| // Deactivate virtual keyboard on current root window controller. |
| void DeactivateKeyboard(keyboard::KeyboardController* keyboard_controller); |
| |
| // Tests if a window is associated with the virtual keyboard. |
| bool IsVirtualKeyboardWindow(aura::Window* window); |
| |
| private: |
| explicit RootWindowController(AshWindowTreeHost* host); |
| enum RootWindowType { |
| PRIMARY, |
| SECONDARY, |
| VIRTUAL_KEYBOARD |
| }; |
| |
| // Initializes the RootWindowController. |is_primary| is true if |
| // the controller is for primary display. |first_run_after_boot| is |
| // set to true only for primary root window after boot. |
| void Init(RootWindowType root_window_type, bool first_run_after_boot); |
| |
| void InitLayoutManagers(); |
| |
| // Initializes |system_background_| and possibly also |boot_splash_screen_|. |
| // |is_first_run_after_boot| determines the background's initial color. |
| void CreateSystemBackground(bool is_first_run_after_boot); |
| |
| // Creates each of the special window containers that holds windows of various |
| // types in the shell UI. |
| void CreateContainersInRootWindow(aura::Window* root_window); |
| |
| // Enables projection touch HUD. |
| void EnableTouchHudProjection(); |
| |
| // Disables projection touch HUD. |
| void DisableTouchHudProjection(); |
| |
| // Overridden from ShellObserver. |
| virtual void OnLoginStateChanged(user::LoginStatus status) OVERRIDE; |
| virtual void OnTouchHudProjectionToggled(bool enabled) OVERRIDE; |
| |
| scoped_ptr<AshWindowTreeHost> ash_host_; |
| RootWindowLayoutManager* root_window_layout_; |
| |
| scoped_ptr<StackingController> stacking_controller_; |
| |
| // The shelf for managing the shelf and the status widget. |
| scoped_ptr<ShelfWidget> shelf_; |
| |
| // An invisible/empty window used as a event target for |
| // |MouseCursorEventFilter| before a user logs in. |
| // (crbug.com/266987) |
| // Its container is |LockScreenBackgroundContainer| and |
| // this must be deleted before the container is deleted. |
| scoped_ptr<aura::Window> mouse_event_target_; |
| |
| // Manages layout of docked windows. Owned by DockedContainer. |
| DockedWindowLayoutManager* docked_layout_manager_; |
| |
| // Manages layout of panels. Owned by PanelContainer. |
| PanelLayoutManager* panel_layout_manager_; |
| |
| scoped_ptr<SystemBackgroundController> system_background_; |
| |
| #if defined(OS_CHROMEOS) |
| scoped_ptr<BootSplashScreen> boot_splash_screen_; |
| // Responsible for initializing TouchExplorationController when spoken |
| // feedback is on. |
| scoped_ptr<AccessibilityObserver> cros_accessibility_observer_; |
| #endif |
| |
| scoped_ptr<ScreenDimmer> screen_dimmer_; |
| scoped_ptr<WorkspaceController> workspace_controller_; |
| scoped_ptr<AlwaysOnTopController> always_on_top_controller_; |
| |
| // Heads-up displays for touch events. These HUDs are not owned by the root |
| // window controller and manage their own lifetimes. |
| TouchHudDebug* touch_hud_debug_; |
| TouchHudProjection* touch_hud_projection_; |
| |
| // Handles double clicks on the panel window header. |
| scoped_ptr<ui::EventHandler> panel_container_handler_; |
| |
| scoped_ptr<DesktopBackgroundWidgetController> wallpaper_controller_; |
| scoped_ptr<AnimatingDesktopController> animating_wallpaper_controller_; |
| scoped_ptr< ::wm::ScopedCaptureClient> capture_client_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RootWindowController); |
| }; |
| |
| |
| // Gets the RootWindowController for |root_window|. |
| ASH_EXPORT RootWindowController* GetRootWindowController( |
| const aura::Window* root_window); |
| |
| } // namespace ash |
| |
| #endif // ASH_ROOT_WINDOW_CONTROLLER_H_ |