| // Copyright 2014 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_APP_LIST_BUTTON_H_ |
| #define ASH_SHELF_APP_LIST_BUTTON_H_ |
| |
| #include "base/macros.h" |
| #include "ui/views/controls/button/image_button.h" |
| |
| namespace ash { |
| class ShelfView; |
| |
| // Button used for the AppList icon on the shelf. |
| class AppListButton : public views::ImageButton { |
| public: |
| explicit AppListButton(ShelfView* shelf_view); |
| ~AppListButton() override; |
| |
| bool draw_background_as_active() { return draw_background_as_active_; } |
| |
| protected: |
| // views::ImageButton overrides: |
| bool OnMousePressed(const ui::MouseEvent& event) override; |
| void OnMouseReleased(const ui::MouseEvent& event) override; |
| void OnMouseCaptureLost() override; |
| bool OnMouseDragged(const ui::MouseEvent& event) override; |
| void OnPaint(gfx::Canvas* canvas) override; |
| void GetAccessibleState(ui::AXViewState* state) override; |
| |
| // ui::EventHandler overrides: |
| void OnGestureEvent(ui::GestureEvent* event) override; |
| |
| private: |
| // Toggles the active state for painting the background and schedules a paint. |
| void SetDrawBackgroundAsActive(bool draw_background_as_active); |
| |
| // True if the background should render as active, regardless of the state of |
| // the application list. |
| bool draw_background_as_active_; |
| |
| ShelfView* shelf_view_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AppListButton); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SHELF_APP_LIST_BUTTON_H_ |