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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WAAP_WAAP_UI_METRICS_SERVICE_H_
#define CHROME_BROWSER_UI_WAAP_WAAP_UI_METRICS_SERVICE_H_
#include "base/time/time.h"
#include "base/types/pass_key.h"
#include "chrome/browser/ui/waap/waap_ui_metrics_recorder.h"
#include "components/keyed_service/core/keyed_service.h"
class Profile;
class WaapUIMetricsServiceFactory;
// `WaapUIMetricsService` is responsible for receiving UI metrics from WaaP UI
// elements, either renderers or browsers.
//
// It is scoped to the lifetime of a Profile, and is expected to be created in
// all kinds of profiles.
class WaapUIMetricsService : public KeyedService {
public:
explicit WaapUIMetricsService(base::PassKey<WaapUIMetricsServiceFactory>);
// Disallow copy and assign.
WaapUIMetricsService(const WaapUIMetricsService&) = delete;
WaapUIMetricsService& operator=(const WaapUIMetricsService&) = delete;
~WaapUIMetricsService() override;
// Convenient method to get an instance for the given `profile`.
// May return nullptr.
static WaapUIMetricsService* Get(Profile* profile);
// Called whenever the WaaP UI has its first paint finished.
void OnFirstPaint(base::TimeTicks time);
// Called whenever the WaaP UI has its first contentful paint finished.
void OnFirstContentfulPaint(base::TimeTicks time);
// Records the time duration from a mousedown event on the WaaP UI element to
// its visual update, i.e. paint.
void OnReloadButtonMousePressToNextPaint(base::TimeTicks start_ticks,
base::TimeTicks end_ticks);
// Records the time duration from a mouseenter event on the WaaP UI element to
// its visual update, i.e. paint.
void OnReloadButtonMouseHoverToNextPaint(base::TimeTicks start_ticks,
base::TimeTicks end_ticks);
// Records the input type used to activate the ReloadButton.
void OnReloadButtonInput(
WaapUIMetricsRecorder::ReloadButtonInputType input_type);
// Records the latency from an input event to the completion of the browser's
// reload command execution.
void OnReloadButtonInputToReload(
base::TimeTicks start_ticks,
base::TimeTicks end_ticks,
WaapUIMetricsRecorder::ReloadButtonInputType input_type);
// Records the latency from an input event to the completion of the browser's
// stop command execution.
void OnReloadButtonInputToStop(
base::TimeTicks start_ticks,
base::TimeTicks end_ticks,
WaapUIMetricsRecorder::ReloadButtonInputType input_type);
// Records the latency from an input event to the next paint of the button.
void OnReloadButtonInputToNextPaint(
base::TimeTicks start_ticks,
base::TimeTicks end_ticks,
WaapUIMetricsRecorder::ReloadButtonInputType input_type);
// Records the latency from the initiation of a visible mode change to the
// first paint of the button in the new mode.
void OnReloadButtonChangeVisibleModeToNextPaint(
base::TimeTicks start_ticks,
base::TimeTicks end_ticks,
WaapUIMetricsRecorder::ReloadButtonMode new_mode);
};
#endif // CHROME_BROWSER_UI_WAAP_WAAP_UI_METRICS_SERVICE_H_
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