chromium/ui/events/gesture_detection/touch_disposition_gesture_filter.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_EVENTS_GESTURE_DETECTION_TOUCH_DISPOSITION_GESTURE_FILTER_H_
#define UI_EVENTS_GESTURE_DETECTION_TOUCH_DISPOSITION_GESTURE_FILTER_H_

#include <stdint.h>

#include <optional>

#include "base/containers/queue.h"
#include "base/memory/raw_ptr.h"
#include "ui/events/gesture_detection/gesture_detection_export.h"
#include "ui/events/gesture_detection/gesture_event_data_packet.h"
#include "ui/events/types/event_type.h"
#include "ui/events/velocity_tracker/bitset_32.h"
#include "ui/latency/latency_info.h"

namespace ui {

// Interface with which the |TouchDispositionGestureFilter| forwards gestures
// for a given touch event.
class GESTURE_DETECTION_EXPORT TouchDispositionGestureFilterClient { … };

// Given a stream of touch-derived gesture packets, produces a refined gesture
// sequence based on the ack dispositions of the generating touch events.
class GESTURE_DETECTION_EXPORT TouchDispositionGestureFilter { … };

}  // namespace ui

#endif  // UI_EVENTS_GESTURE_DETECTION_TOUCH_DISPOSITION_GESTURE_FILTER_H_