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// Copyright 2023 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/chromeos/reporting/websites/website_events_observer.h"
#include <memory>
#include "base/sequence_checker.h"
#include "chrome/browser/apps/app_service/metrics/website_metrics.h"
#include "chrome/browser/chromeos/reporting/metric_reporting_prefs.h"
#include "chrome/browser/chromeos/reporting/websites/website_metrics_retriever_interface.h"
#include "components/reporting/metrics/metric_event_observer.h"
#include "components/reporting/metrics/reporting_settings.h"
#include "components/reporting/proto/synced/metric_data.pb.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "url/gurl.h"
namespace reporting {
WebsiteEventsObserver::WebsiteEventsObserver(
std::unique_ptr<WebsiteMetricsRetrieverInterface> website_metrics_retriever,
const ReportingSettings* reporting_settings)
: website_metrics_retriever_(std::move(website_metrics_retriever)),
reporting_settings_(reporting_settings) {
CHECK(website_metrics_retriever_);
website_metrics_retriever_->GetWebsiteMetrics(
base::BindOnce(&WebsiteEventsObserver::InitEventObserver,
weak_ptr_factory_.GetWeakPtr()));
}
WebsiteEventsObserver::~WebsiteEventsObserver() = default;
void WebsiteEventsObserver::SetOnEventObservedCallback(
MetricRepeatingCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
CHECK(!on_metric_observed_) << "Observer callback already set";
on_metric_observed_ = std::move(callback);
}
void WebsiteEventsObserver::SetReportingEnabled(bool is_enabled) {
// Do nothing. We retrieve the reporting setting and validate the website URL
// is allowlisted before we report an observed event.
}
void WebsiteEventsObserver::OnUrlOpened(const GURL& url_opened,
::content::WebContents* web_contents) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!IsWebsiteUrlAllowlisted(url_opened, reporting_settings_,
kReportWebsiteActivityAllowlist)) {
return;
}
MetricData metric_data;
metric_data.mutable_event_data()->set_type(MetricEventType::URL_OPENED);
auto* const website_opened_data = metric_data.mutable_telemetry_data()
->mutable_website_telemetry()
->mutable_website_opened_data();
website_opened_data->set_url(url_opened.spec());
website_opened_data->set_render_process_host_id(
web_contents->GetRenderViewHost()->GetProcess()->GetDeprecatedID());
website_opened_data->set_render_frame_routing_id(
web_contents->GetRenderViewHost()->GetRoutingID());
on_metric_observed_.Run(std::move(metric_data));
}
void WebsiteEventsObserver::OnUrlClosed(const GURL& url_closed,
::content::WebContents* web_contents) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!IsWebsiteUrlAllowlisted(url_closed, reporting_settings_,
kReportWebsiteActivityAllowlist)) {
return;
}
MetricData metric_data;
metric_data.mutable_event_data()->set_type(MetricEventType::URL_CLOSED);
auto* const website_closed_data = metric_data.mutable_telemetry_data()
->mutable_website_telemetry()
->mutable_website_closed_data();
website_closed_data->set_url(url_closed.spec());
website_closed_data->set_render_process_host_id(
web_contents->GetRenderViewHost()->GetProcess()->GetDeprecatedID());
website_closed_data->set_render_frame_routing_id(
web_contents->GetRenderViewHost()->GetRoutingID());
on_metric_observed_.Run(std::move(metric_data));
}
void WebsiteEventsObserver::InitEventObserver(
::apps::WebsiteMetrics* website_metrics) {
// Runs on the same sequence as the website metrics retriever because they
// both use the UI thread.
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!website_metrics) {
// This can happen if the `WebsiteMetrics` component initialization
// failed (for example, component was destructed). We just abort
// initialization of the event observer when this happens.
return;
}
observer_.Observe(website_metrics);
}
void WebsiteEventsObserver::OnWebsiteMetricsDestroyed() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
observer_.Reset();
}
} // namespace reporting
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