| // 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 UI_APP_LIST_VIEWS_PULSING_BLOCK_VIEW_H_ |
| #define UI_APP_LIST_VIEWS_PULSING_BLOCK_VIEW_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "base/timer/timer.h" |
| #include "ui/views/view.h" |
| |
| namespace gfx { |
| class Size; |
| } |
| |
| namespace app_list { |
| |
| // PulsingBlockView shows a pulsing white block via layer animation. |
| class PulsingBlockView : public views::View { |
| public: |
| // Constructs a PulsingBlockView of |size|. If |start_delay| is true, |
| // starts the pulsing animation after a random delay. |
| PulsingBlockView(const gfx::Size& size, bool start_delay); |
| ~PulsingBlockView() override; |
| |
| private: |
| void OnStartDelayTimer(); |
| |
| // views::View overrides: |
| void OnPaint(gfx::Canvas* canvas) override; |
| |
| base::OneShotTimer start_delay_timer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PulsingBlockView); |
| }; |
| |
| } // namespace app_list |
| |
| #endif // UI_APP_LIST_VIEWS_PULSING_BLOCK_VIEW_H_ |