| // 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_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "ash/ash_export.h" |
| #include "base/callback.h" |
| #include "base/strings/string16.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace keyboard { |
| class KeyboardUI; |
| } |
| |
| namespace ui { |
| class InputDeviceControllerClient; |
| } |
| |
| namespace ash { |
| |
| class AccessibilityDelegate; |
| class ScreenshotDelegate; |
| |
| // Delegate of the Shell. |
| class ASH_EXPORT ShellDelegate { |
| public: |
| // The Shell owns the delegate. |
| virtual ~ShellDelegate() {} |
| |
| // Returns true if |window| can be shown for the delegate's concept of current |
| // user. |
| virtual bool CanShowWindowForUser(aura::Window* window) const = 0; |
| |
| // Called before processing |Shell::Init()| so that the delegate |
| // can perform tasks necessary before the shell is initialized. |
| virtual void PreInit() = 0; |
| |
| // Create a shell-specific keyboard::KeyboardUI. |
| virtual std::unique_ptr<keyboard::KeyboardUI> CreateKeyboardUI() = 0; |
| |
| // TODO(jamescook): Replace with a mojo-compatible interface. |
| virtual std::unique_ptr<ScreenshotDelegate> CreateScreenshotDelegate() = 0; |
| |
| // Creates a accessibility delegate. Shell takes ownership of the delegate. |
| virtual AccessibilityDelegate* CreateAccessibilityDelegate() = 0; |
| |
| virtual void OpenKeyboardShortcutHelpPage() const {} |
| |
| // Creator of Shell owns this; it's assumed this outlives Shell. |
| virtual ui::InputDeviceControllerClient* GetInputDeviceControllerClient() = 0; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SHELL_DELEGATE_H_ |