| // Copyright 2019 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_SHELF_HOME_BUTTON_DELEGATE_H_ |
| #define ASH_SHELF_HOME_BUTTON_DELEGATE_H_ |
| |
| #include <memory> |
| |
| #include "ash/app_list/app_list_metrics.h" |
| #include "ash/ash_export.h" |
| #include "ash/public/cpp/shelf_item_delegate.h" |
| #include "ash/public/cpp/shelf_types.h" |
| #include "base/macros.h" |
| |
| namespace ash { |
| |
| // ShelfItemDelegate for the Home button, aka the app list button. |
| // TODO(michaelpg): Rename references to app list button to home button. |
| class ASH_EXPORT HomeButtonDelegate : public ShelfItemDelegate { |
| public: |
| HomeButtonDelegate(); |
| ~HomeButtonDelegate() override; |
| |
| // Responds to the home button being activated or the equivalent accelerator |
| // being pressed. |
| // |display_id| is the display of the button, indicating where the Home screen |
| // should be shown. |
| // |show_source| is the type of user action that triggered this. |
| // |event_time_stamp| is timestamp of the triggering event. |
| static ShelfAction PerformHomeButtonAction( |
| int64_t display_id, |
| app_list::AppListShowSource show_source, |
| base::TimeTicks event_time_stamp); |
| |
| // ShelfItemDelegate: |
| void ItemSelected(std::unique_ptr<ui::Event> event, |
| int64_t display_id, |
| ShelfLaunchSource source, |
| ItemSelectedCallback callback) override; |
| void ExecuteCommand(bool from_context_menu, |
| int64_t command_id, |
| int32_t event_flags, |
| int64_t display_id) override; |
| void Close() override; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(HomeButtonDelegate); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SHELF_HOME_BUTTON_DELEGATE_H_ |