ash/shell_delegate.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ASH_SHELL_DELEGATE_H_
   6 #define ASH_SHELL_DELEGATE_H_
   7
   8 #include <string>
   9
  10 #include "ash/ash_export.h"
  11 #include "ash/shell.h"
  12 #include "base/callback.h"
  13 #include "base/strings/string16.h"
  14
  15 namespace app_list {
  16 class AppListViewDelegate;
  17 }
  18
  19 namespace aura {
  20 class RootWindow;
  21 class Window;
  22 }
  23
  24 namespace content {
  25 class BrowserContext;
  26 }
  27
  28 namespace ui {
  29 class MenuModel;
  30 }
  31
  32 namespace views {
  33 class Widget;
  34 }
  35
  36 namespace keyboard {
  37 class KeyboardControllerProxy;
  38 }
  39
  40 namespace ash {
  41
  42 class AccessibilityDelegate;
  43 class CapsLockDelegate;
  44 class MediaDelegate;
  45 class NewWindowDelegate;
  46 class WindowTreeHostFactory;
  47 class SessionStateDelegate;
  48 class ShelfDelegate;
  49 class ShelfItemDelegate;
  50 class ShelfModel;
  51 class SystemTrayDelegate;
  52 class UserWallpaperDelegate;
  53 struct ShelfItem;
  54
  55 // Delegate of the Shell.
  56 class ASH_EXPORT ShellDelegate {
  57  public:
  58   // The Shell owns the delegate.
  59   virtual ~ShellDelegate() {}
  60
  61   // Returns true if this is the first time that the shell has been run after
  62   // the system has booted.  false is returned after the shell has been
  63   // restarted, typically due to logging in as a guest or logging out.
  64   virtual bool IsFirstRunAfterBoot() const = 0;
  65
  66   // Returns true if multi-profiles feature is enabled.
  67   virtual bool IsMultiProfilesEnabled() const = 0;
  68
  69   // Returns true if incognito mode is allowed for the user.
  70   // Incognito windows are restricted for supervised users.
  71   virtual bool IsIncognitoAllowed() const = 0;
  72
  73   // Returns true if we're running in forced app mode.
  74   virtual bool IsRunningInForcedAppMode() const = 0;
  75
  76   // Called before processing |Shell::Init()| so that the delegate
  77   // can perform tasks necessary before the shell is initialized.
  78   virtual void PreInit() = 0;
  79
  80   // Shuts down the environment.
  81   virtual void Shutdown() = 0;
  82
  83   // Invoked when the user uses Ctrl-Shift-Q to close chrome.
  84   virtual void Exit() = 0;
  85
  86   // Create a shell-specific keyboard::KeyboardControllerProxy
  87   virtual keyboard::KeyboardControllerProxy*
  88       CreateKeyboardControllerProxy() = 0;
  89
  90   // Get the active browser context. This will get us the active profile
  91   // in chrome.
  92   virtual content::BrowserContext* GetActiveBrowserContext() = 0;
  93
  94   // Invoked to create an AppListViewDelegate. Shell takes the ownership of
  95   // the created delegate.
  96   virtual app_list::AppListViewDelegate* CreateAppListViewDelegate() = 0;
  97
  98   // Creates a new ShelfDelegate. Shell takes ownership of the returned
  99   // value.
 100   virtual ShelfDelegate* CreateShelfDelegate(ShelfModel* model) = 0;
 101
 102   // Creates a system-tray delegate. Shell takes ownership of the delegate.
 103   virtual SystemTrayDelegate* CreateSystemTrayDelegate() = 0;
 104
 105   // Creates a user wallpaper delegate. Shell takes ownership of the delegate.
 106   virtual UserWallpaperDelegate* CreateUserWallpaperDelegate() = 0;
 107
 108   // Creates a caps lock delegate. Shell takes ownership of the delegate.
 109   virtual CapsLockDelegate* CreateCapsLockDelegate() = 0;
 110
 111   // Creates a session state delegate. Shell takes ownership of the delegate.
 112   virtual SessionStateDelegate* CreateSessionStateDelegate() = 0;
 113
 114   // Creates a accessibility delegate. Shell takes ownership of the delegate.
 115   virtual AccessibilityDelegate* CreateAccessibilityDelegate() = 0;
 116
 117   // Creates an application delegate. Shell takes ownership of the delegate.
 118   virtual NewWindowDelegate* CreateNewWindowDelegate() = 0;
 119
 120   // Creates a media delegate. Shell takes ownership of the delegate.
 121   virtual MediaDelegate* CreateMediaDelegate() = 0;
 122
 123   // Creates a menu model of the context for the |root_window|.
 124   // When a ContextMenu is used for an item created by ShelfWindowWatcher,
 125   // passes its ShelfItemDelegate and ShelfItem.
 126   virtual ui::MenuModel* CreateContextMenu(
 127       aura::Window* root_window,
 128       ash::ShelfItemDelegate* item_delegate,
 129       ash::ShelfItem* item) = 0;
 130
 131   // Creates a root window host factory. Shell takes ownership of the returned
 132   // value.
 133   virtual WindowTreeHostFactory* CreateWindowTreeHostFactory() = 0;
 134
 135   // Creates a GPU support object. Shell takes ownership of the object.
 136   virtual GPUSupport* CreateGPUSupport() = 0;
 137
 138   // Get the product name.
 139   virtual base::string16 GetProductName() const = 0;
 140 };
 141
 142 }  // namespace ash
 143
 144 #endif  // ASH_SHELL_DELEGATE_H_