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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 "content/browser/attribution_reporting/attribution_os_level_manager.h"
#include <optional>
#include <utility>
#include <vector>
#include "base/dcheck_is_on.h"
#include "base/functional/callback.h"
#include "base/metrics/histogram_functions.h"
#include "base/no_destructor.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "components/attribution_reporting/os_registration.h"
#include "content/browser/attribution_reporting/os_registration.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_client.h"
namespace content {
namespace {
using ScopedApiStateForTesting =
::content::AttributionOsLevelManager::ScopedApiStateForTesting;
using ApiState = AttributionOsLevelManager::ApiState;
#if DCHECK_IS_ON()
const base::SequenceChecker& GetSequenceChecker() {
static base::NoDestructor<base::SequenceChecker> checker;
return *checker;
}
#endif
// This flag is per device and can only be changed by the OS. Currently we don't
// observe setting changes on the device and the flag is only initialized once
// on startup. The value may vary in tests.
std::optional<ApiState> g_state GUARDED_BY_CONTEXT(GetSequenceChecker());
} // namespace
// static
bool AttributionOsLevelManager::ShouldInitializeApiState() {
DCHECK_CALLED_ON_VALID_SEQUENCE(GetSequenceChecker());
if (g_state.has_value()) {
return false;
}
g_state.emplace(ApiState::kDisabled);
return true;
}
// static
ApiState AttributionOsLevelManager::GetApiState() {
DCHECK_CALLED_ON_VALID_SEQUENCE(GetSequenceChecker());
return g_state.value_or(ApiState::kDisabled);
}
// static
void AttributionOsLevelManager::SetApiState(std::optional<ApiState> state) {
DCHECK_CALLED_ON_VALID_SEQUENCE(GetSequenceChecker());
ApiState old_state = GetApiState();
g_state = state;
ApiState new_state = GetApiState();
base::UmaHistogramEnumeration("Conversions.AttributionOsLevelApiState",
new_state);
if (old_state == new_state) {
return;
}
WebContentsImpl::UpdateAttributionSupportAllRenderers();
}
// static
ContentBrowserClient::AttributionReportingOsRegistrars
AttributionOsLevelManager::GetAttributionReportingOsRegistrars(
WebContents* web_contents) {
return GetContentClient()->browser()->GetAttributionReportingOsRegistrars(
web_contents);
}
ScopedApiStateForTesting::ScopedApiStateForTesting(
std::optional<ApiState> state)
: previous_(g_state) {
SetApiState(state);
}
ScopedApiStateForTesting::~ScopedApiStateForTesting() {
SetApiState(previous_);
}
NoOpAttributionOsLevelManager::~NoOpAttributionOsLevelManager() = default;
void NoOpAttributionOsLevelManager::Register(
OsRegistration registration,
const std::vector<bool>& is_debug_key_allowed,
RegisterCallback callback) {
std::move(callback).Run(
registration, std::vector<bool>(registration.registration_items.size()));
}
void NoOpAttributionOsLevelManager::ClearData(
base::Time delete_begin,
base::Time delete_end,
const std::set<url::Origin>& origins,
const std::set<std::string>& domains,
BrowsingDataFilterBuilder::Mode mode,
bool delete_rate_limit_data,
base::OnceClosure done) {
std::move(done).Run();
}
} // namespace content
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