chromium/components/input/mouse_wheel_event_queue.cc

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/input/mouse_wheel_event_queue.h"

#include "base/functional/bind.h"
#include "base/metrics/histogram_macros.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "ui/events/base_event_utils.h"
#include "ui/events/blink/web_input_event_traits.h"

WebGestureEvent;
WebInputEvent;
WebMouseWheelEvent;
LatencyInfo;

namespace input {

MouseWheelEventQueue::MouseWheelEventQueue(MouseWheelEventQueueClient* client)
    : … { … }

MouseWheelEventQueue::~MouseWheelEventQueue() { … }

void MouseWheelEventQueue::QueueEvent(
    const MouseWheelEventWithLatencyInfo& event) { … }

bool MouseWheelEventQueue::CanGenerateGestureScroll(
    blink::mojom::InputEventResultState ack_result) const { … }

void MouseWheelEventQueue::ProcessMouseWheelAck(
    const MouseWheelEventWithLatencyInfo& ack_event,
    blink::mojom::InputEventResultSource ack_source,
    blink::mojom::InputEventResultState ack_result) { … }

void MouseWheelEventQueue::OnGestureScrollEvent(
    const GestureEventWithLatencyInfo& gesture_event) { … }

void MouseWheelEventQueue::TryForwardNextEventToRenderer() { … }

void MouseWheelEventQueue::SendScrollEnd(WebGestureEvent update_event,
                                         bool synthetic) { … }

void MouseWheelEventQueue::SendScrollBegin(
    const WebGestureEvent& gesture_update,
    bool synthetic) { … }

}  // namespace input