chromium/components/input/render_input_router_latency_tracker.cc

// 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.

#include "components/input/render_input_router_latency_tracker.h"

#include <stddef.h>
#include <string>

#include "base/check_op.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/notreached.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/input/render_input_router_delegate.h"
#include "ui/events/blink/web_input_event_traits.h"

WebGestureEvent;
WebInputEvent;
WebMouseEvent;
WebMouseWheelEvent;
WebTouchEvent;
LatencyInfo;

namespace input {
namespace {
const char* GetTraceNameFromType(blink::WebInputEvent::Type type) { … }
}  // namespace

RenderInputRouterLatencyTracker::RenderInputRouterLatencyTracker(
    RenderInputRouterDelegate* delegate)
    : … { … }

RenderInputRouterLatencyTracker::~RenderInputRouterLatencyTracker() { … }

void RenderInputRouterLatencyTracker::OnInputEvent(
    const blink::WebInputEvent& event,
    LatencyInfo* latency,
    ui::EventLatencyMetadata* event_latency_metadata) { … }

void RenderInputRouterLatencyTracker::OnInputEventAck(
    const blink::WebInputEvent& event,
    LatencyInfo* latency,
    blink::mojom::InputEventResultState ack_result) { … }

void RenderInputRouterLatencyTracker::OnEventStart(ui::LatencyInfo* latency) { … }

}  // namespace input