| // Copyright 2018 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 UI_VIEWS_CONTROLS_MENU_MENU_PRE_TARGET_HANDLER_H_ |
| #define UI_VIEWS_CONTROLS_MENU_MENU_PRE_TARGET_HANDLER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| |
| namespace views { |
| |
| class MenuController; |
| class Widget; |
| |
| // A MenuPreTargetHandler is responsible for intercepting events destined for |
| // another widget (the menu's owning widget) and letting the menu's controller |
| // try dispatching them first. |
| class MenuPreTargetHandler { |
| public: |
| virtual ~MenuPreTargetHandler() = default; |
| |
| // There are separate implementations of this method for Aura platforms and |
| // for Mac. |
| static std::unique_ptr<MenuPreTargetHandler> Create( |
| MenuController* controller, |
| Widget* owner); |
| |
| protected: |
| MenuPreTargetHandler() = default; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(MenuPreTargetHandler); |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_CONTROLS_MENU_MENU_PRE_TARGET_HANDLER_H_ |