| // 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_SHELL_DELEGATE_H_ |
| #define ASH_SHELL_DELEGATE_H_ |
| #pragma once |
| |
| #include <vector> |
| |
| #include "ash/ash_export.h" |
| #include "ash/shell.h" |
| #include "base/callback.h" |
| #include "base/string16.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace views { |
| class Widget; |
| } |
| |
| namespace ash { |
| |
| class AppListViewDelegate; |
| class LauncherDelegate; |
| class LauncherModel; |
| struct LauncherItem; |
| class ScreenshotDelegate; |
| class SystemTray; |
| class SystemTrayDelegate; |
| class UserWallpaperDelegate; |
| |
| // Delegate of the Shell. |
| class ASH_EXPORT ShellDelegate { |
| public: |
| // Source requesting the window list. |
| enum CycleSource { |
| // Windows are going to be used for alt-tab (or F5). |
| SOURCE_KEYBOARD, |
| |
| // Windows are going to be cycled from the launcher. |
| SOURCE_LAUNCHER, |
| }; |
| |
| // The Shell owns the delegate. |
| virtual ~ShellDelegate() {} |
| |
| // Invoked to create a new status area. Can return NULL. |
| virtual views::Widget* CreateStatusArea() = 0; |
| |
| // Returns true if user has logged in. |
| virtual bool IsUserLoggedIn() = 0; |
| |
| // Invoked when a user locks the screen. |
| virtual void LockScreen() = 0; |
| |
| // Unlock the screen. Currently used only for tests. |
| virtual void UnlockScreen() = 0; |
| |
| // Returns true if the screen is currently locked. |
| virtual bool IsScreenLocked() const = 0; |
| |
| // Invoked when a user uses Ctrl-Shift-Q to close chrome. |
| virtual void Exit() = 0; |
| |
| // Invoked when a user uses Ctrl-N or Ctrl-Shift-N to open a new window. |
| virtual void NewWindow(bool incognito) = 0; |
| |
| // Invoked to create an AppListViewDelegate. Shell takes the ownership of |
| // the created delegate. |
| virtual AppListViewDelegate* CreateAppListViewDelegate() = 0; |
| |
| // Returns a list of windows to cycle with keyboard shortcuts (e.g. alt-tab |
| // or the window switching key). If |order_by_activity| is true then windows |
| // are returned in most-recently-used order with the currently active window |
| // at the front of the list. Otherwise any order may be returned. The list |
| // does not contain NULL pointers. |
| virtual std::vector<aura::Window*> GetCycleWindowList( |
| CycleSource source) const = 0; |
| |
| // Invoked to start taking partial screenshot. |
| virtual void StartPartialScreenshot( |
| ScreenshotDelegate* screenshot_delegate) = 0; |
| |
| // Creates a new LauncherDelegate. Shell takes ownership of the returned |
| // value. |
| virtual LauncherDelegate* CreateLauncherDelegate( |
| ash::LauncherModel* model) = 0; |
| |
| // Creates a system-tray delegate. Shell takes ownership of the delegate. |
| virtual SystemTrayDelegate* CreateSystemTrayDelegate(SystemTray* tray) = 0; |
| |
| // Creates a user wallpaper delegate. Shell takes ownership of the delegate. |
| virtual UserWallpaperDelegate* CreateUserWallpaperDelegate() = 0; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SHELL_DELEGATE_H_ |