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- // Copyright 2022 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_APP_LIST_TEST_TEST_FOCUS_CHANGE_LISTENER_H_
- #define ASH_APP_LIST_TEST_TEST_FOCUS_CHANGE_LISTENER_H_
- #include "ui/views/focus/focus_manager.h"
- namespace ash {
- // A helper class to observe focus changes on the specified focus manager.
- class TestFocusChangeListener : public views::FocusChangeListener {
- public:
- explicit TestFocusChangeListener(views::FocusManager* focus_manager);
- TestFocusChangeListener(const TestFocusChangeListener&) = delete;
- TestFocusChangeListener& operator=(const TestFocusChangeListener&) = delete;
- ~TestFocusChangeListener() override;
- // views::FocusChangeListener:
- void OnWillChangeFocus(views::View* focused_before,
- views::View* focused_now) override {}
- void OnDidChangeFocus(views::View* focused_before,
- views::View* focused_now) override;
- int focus_change_count() { return focus_change_count_; }
- private:
- views::FocusManager* const focus_manager_;
- // Records the count of focus changes.
- int focus_change_count_ = 0;
- };
- } // namespace ash
- #endif // ASH_APP_LIST_TEST_TEST_FOCUS_CHANGE_LISTENER_H_
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