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// Copyright 2011 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/no_state_prefetch/browser/no_state_prefetch_utils.h"
#include "base/metrics/histogram_macros.h"
#include "base/time/time.h"
#include "components/google/core/common/google_util.h"
#include "components/no_state_prefetch/browser/no_state_prefetch_manager.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/web_contents.h"
#include "services/metrics/public/cpp/metrics_utils.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "url/gurl.h"
#include "url/url_constants.h"
namespace prerender {
bool IsGoogleOriginURL(const GURL& origin_url) {
// ALLOW_NON_STANDARD_PORTS for integration tests with the embedded server.
if (!google_util::IsGoogleDomainUrl(origin_url,
google_util::DISALLOW_SUBDOMAIN,
google_util::ALLOW_NON_STANDARD_PORTS)) {
return false;
}
return (origin_url.path_piece() == "/") ||
google_util::IsGoogleSearchUrl(origin_url);
}
void RecordNoStatePrefetchMetrics(
content::NavigationHandle* navigation_handle,
ukm::SourceId source_id,
NoStatePrefetchManager* no_state_prefetch_manager) {
DCHECK(no_state_prefetch_manager);
const std::vector<GURL>& redirects = navigation_handle->GetRedirectChain();
base::TimeDelta prefetch_age;
FinalStatus final_status;
Origin prefetch_origin;
bool nostate_prefetch_entry_found =
no_state_prefetch_manager->GetPrefetchInformation(
navigation_handle->GetURL(), &prefetch_age, &final_status,
&prefetch_origin);
// Try the URLs from the redirect chain.
if (!nostate_prefetch_entry_found) {
for (const auto& url : redirects) {
nostate_prefetch_entry_found =
no_state_prefetch_manager->GetPrefetchInformation(
url, &prefetch_age, &final_status, &prefetch_origin);
if (nostate_prefetch_entry_found) {
break;
}
}
}
if (!nostate_prefetch_entry_found) {
return;
}
ukm::builders::NoStatePrefetch builder(source_id);
builder.SetPrefetchedRecently_PrefetchAge(
ukm::GetExponentialBucketMinForUserTiming(prefetch_age.InMilliseconds()));
builder.SetPrefetchedRecently_FinalStatus(final_status);
builder.SetPrefetchedRecently_Origin(prefetch_origin);
builder.Record(ukm::UkmRecorder::Get());
}
} // namespace prerender
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