| // Copyright 2020 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_SYSTEM_ACCESSIBILITY_SELECT_TO_SPEAK_SPEED_VIEW_H_ |
| #define ASH_SYSTEM_ACCESSIBILITY_SELECT_TO_SPEAK_SPEED_VIEW_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/system/tray/view_click_listener.h" |
| #include "ui/events/event.h" |
| #include "ui/views/controls/button/button.h" |
| #include "ui/views/layout/box_layout_view.h" |
| #include "ui/views/metadata/metadata_header_macros.h" |
| #include "ui/views/metadata/view_factory.h" |
| |
| namespace ash { |
| |
| // View for the Select-to-Speak reading speed (speech rate) selection list. |
| class SelectToSpeakSpeedView : public views::BoxLayoutView, |
| public ViewClickListener { |
| public: |
| METADATA_HEADER(SelectToSpeakSpeedView); |
| |
| class ASH_EXPORT Delegate { |
| public: |
| Delegate() {} |
| virtual ~Delegate() {} |
| Delegate(const Delegate&) = delete; |
| Delegate& operator=(const Delegate&) = delete; |
| |
| virtual void OnSpeechRateSelected(double speech_rate) = 0; |
| }; |
| |
| SelectToSpeakSpeedView(Delegate* delegate, double initial_speech_rate); |
| SelectToSpeakSpeedView(const SelectToSpeakSpeedView&) = delete; |
| SelectToSpeakSpeedView& operator=(const SelectToSpeakSpeedView&) = delete; |
| ~SelectToSpeakSpeedView() override = default; |
| |
| void SetInitialFocus(); |
| |
| // Sets the speech rate that should be selected. |
| void SetInitialSpeechRate(double initial_speech_rate); |
| |
| private: |
| void AddMenuItem(int option_id, |
| const std::u16string& label, |
| bool is_selected); |
| |
| // ViewClickListener: |
| void OnViewClicked(views::View* sender) override; |
| |
| // ui::EventHandler: |
| void OnKeyEvent(ui::KeyEvent* key_event) override; |
| |
| Delegate* delegate_ = nullptr; |
| }; |
| |
| BEGIN_VIEW_BUILDER(/* no export */, |
| SelectToSpeakSpeedView, |
| views::BoxLayoutView) |
| END_VIEW_BUILDER |
| |
| } // namespace ash |
| |
| DEFINE_VIEW_BUILDER(/* no export */, ash::SelectToSpeakSpeedView) |
| |
| #endif // ASH_SYSTEM_ACCESSIBILITY_SELECT_TO_SPEAK_SPEED_VIEW_H_ |