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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/ui/ash/clipboard_history_url_title_fetcher_impl.h"
#include <string>
#include "base/functional/bind.h"
#include "base/metrics/histogram_functions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/history/history_service_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chromeos/ash/components/browser_context_helper/browser_context_types.h"
#include "components/history/core/browser/history_service.h"
#include "components/history/core/browser/history_types.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace {
// Arbitrarily chosen threshold after which we do not care to know the granular
// number of profiles added to a session.
constexpr int kMaxNumProfiles = 10;
// Returns the history service for the primary user profile iff the session has
// exactly one profile. Note that the logic of which profile(s) to query for
// browsing history, and under what conditions, may change in the future.
history::HistoryService* GetHistoryService() {
int num_profiles = 0;
for (auto* const profile :
g_browser_process->profile_manager()->GetLoadedProfiles()) {
// Exclude non-user profiles, such as sign-in and lockscreen profiles, which
// do not indicate use of multi-profile browsing.
if (ash::IsUserBrowserContext(profile)) {
++num_profiles;
}
}
base::UmaHistogramExactLinear(
"Ash.ClipboardHistory.UrlTitleFetcher.NumProfiles", num_profiles,
/*exclusive_max=*/kMaxNumProfiles + 1);
auto* const profile = ProfileManager::GetPrimaryUserProfile();
if (profile) {
base::UmaHistogramBoolean(
"Ash.ClipboardHistory.UrlTitleFetcher.IsPrimaryProfileActive",
profile == ProfileManager::GetActiveUserProfile());
}
if (num_profiles != 1 || !profile) {
return nullptr;
}
return HistoryServiceFactory::GetForProfile(
profile, ServiceAccessType::EXPLICIT_ACCESS);
}
} // namespace
ClipboardHistoryUrlTitleFetcherImpl::ClipboardHistoryUrlTitleFetcherImpl() =
default;
ClipboardHistoryUrlTitleFetcherImpl::~ClipboardHistoryUrlTitleFetcherImpl() =
default;
void ClipboardHistoryUrlTitleFetcherImpl::QueryHistory(
const GURL& url,
OnHistoryQueryCompleteCallback callback) {
auto* const history_service = GetHistoryService();
if (!history_service) {
std::move(callback).Run(absl::nullopt);
return;
}
// If `this` is destroyed, the `task_tracker_` will cancel this task
// automatically and `OnHistoryQueryComplete()` will not be called. Therefore,
// `Unretained(this)` is safe.
history_service->QueryURL(
url,
/*want_visits=*/false,
base::BindOnce(
&ClipboardHistoryUrlTitleFetcherImpl::OnHistoryQueryComplete,
base::Unretained(this), std::move(callback)),
&task_tracker_);
}
void ClipboardHistoryUrlTitleFetcherImpl::OnHistoryQueryComplete(
OnHistoryQueryCompleteCallback callback,
history::QueryURLResult result) const {
base::UmaHistogramBoolean("Ash.ClipboardHistory.UrlTitleFetcher.UrlFound",
result.success);
std::move(callback).Run(
result.success ? absl::make_optional(result.row.title()) : absl::nullopt);
}
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