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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/webui/metrics_internals/structured_metrics_internals_handler.h"
#include "base/functional/bind.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "components/metrics/debug/structured/structured_metrics_utils.h"
#include "components/metrics/metrics_service.h"
#include "components/metrics_services_manager/metrics_services_manager.h"
StructuredMetricsInternalsHandler::StructuredMetricsInternalsHandler() {
metrics::structured::StructuredMetricsService* service =
g_browser_process->GetMetricsServicesManager()
->GetStructuredMetricsService();
if (service) {
structured_metrics_debug_provider_ =
std::make_unique<metrics::structured::StructuredMetricsDebugProvider>(
service);
}
}
StructuredMetricsInternalsHandler::~StructuredMetricsInternalsHandler() =
default;
void StructuredMetricsInternalsHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"fetchStructuredMetricsEvents",
base::BindRepeating(&StructuredMetricsInternalsHandler::
HandleFetchStructuredMetricsEvents,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"fetchStructuredMetricsSummary",
base::BindRepeating(&StructuredMetricsInternalsHandler::
HandleFetchStructuredMetricsSummary,
base::Unretained(this)));
}
void StructuredMetricsInternalsHandler::HandleFetchStructuredMetricsEvents(
const base::Value::List& args) {
AllowJavascript();
const base::Value& callback_id = args[0];
const base::Value::List empty_events;
ResolveJavascriptCallback(callback_id,
structured_metrics_debug_provider_
? structured_metrics_debug_provider_->events()
: empty_events);
}
void StructuredMetricsInternalsHandler::HandleFetchStructuredMetricsSummary(
const base::Value::List& args) {
AllowJavascript();
const base::Value& callback_id = args[0];
ResolveJavascriptCallback(callback_id,
metrics::structured::GetStructuredMetricsSummary(
g_browser_process->GetMetricsServicesManager()
->GetStructuredMetricsService()));
}
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