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- // Copyright 2018 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_TRAY_INTERACTED_BY_TAP_RECORDER_H_
- #define ASH_SYSTEM_TRAY_INTERACTED_BY_TAP_RECORDER_H_
- #include "ui/events/event_handler.h"
- namespace views {
- class View;
- } // namespace views
- namespace ash {
- // An event handler that will be installed as system tray view PreTargetHandler
- // to record Interaction metrics.
- class InteractedByTapRecorder : public ui::EventHandler {
- public:
- explicit InteractedByTapRecorder(views::View* target_view);
- InteractedByTapRecorder(const InteractedByTapRecorder&) = delete;
- InteractedByTapRecorder& operator=(const InteractedByTapRecorder&) = delete;
- ~InteractedByTapRecorder() override = default;
- // Type of interaction. This enum is used to back an UMA histogram and should
- // be treated as append-only.
- enum InteractionType {
- INTERACTION_TYPE_TAP = 0,
- INTERACTION_TYPE_CLICK,
- INTERACTION_TYPE_COUNT
- };
- private:
- // ui::EventHandler:
- void OnEvent(ui::Event* event) override;
- };
- } // namespace ash
- #endif // ASH_SYSTEM_TRAY_INTERACTED_BY_TAP_RECORDER_H_
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