chromium/content/browser/renderer_host/input/mouse_wheel_phase_handler.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/renderer_host/input/mouse_wheel_phase_handler.h"

#include "base/functional/bind.h"
#include "base/trace_event/trace_event.h"
#include "components/input/render_widget_host_input_event_router.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "ui/events/base_event_utils.h"

namespace content {
MouseWheelPhaseHandler::MouseWheelPhaseHandler(
    RenderWidgetHostViewBase* const host_view)
    : … { … }

void MouseWheelPhaseHandler::AddPhaseIfNeededAndScheduleEndEvent(
    blink::WebMouseWheelEvent& mouse_wheel_event,
    bool should_route_event) { … }

void MouseWheelPhaseHandler::DispatchPendingWheelEndEvent() { … }

void MouseWheelPhaseHandler::IgnorePendingWheelEndEvent() { … }

void MouseWheelPhaseHandler::ResetTouchpadScrollSequence() { … }

void MouseWheelPhaseHandler::SendWheelEndForTouchpadScrollingIfNeeded(
    bool should_route_event) { … }

void MouseWheelPhaseHandler::TouchpadScrollingMayBegin() { … }

void MouseWheelPhaseHandler::SendSyntheticWheelEventWithPhaseEnded(
    bool should_route_event) { … }

void MouseWheelPhaseHandler::ScheduleMouseWheelEndDispatching(
    bool should_route_event,
    const base::TimeDelta timeout) { … }

bool MouseWheelPhaseHandler::IsWithinSlopRegion(
    const blink::WebMouseWheelEvent& wheel_event) const { … }

bool MouseWheelPhaseHandler::HasDifferentModifiers(
    const blink::WebMouseWheelEvent& wheel_event) const { … }

bool MouseWheelPhaseHandler::ShouldBreakLatchingDueToDirectionChange(
    const blink::WebMouseWheelEvent& wheel_event) const { … }

void MouseWheelPhaseHandler::GestureEventAck(
    const blink::WebGestureEvent& event,
    blink::mojom::InputEventResultState ack_result) { … }

}  // namespace content