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// Copyright 2020 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/background_sync/background_sync_delegate_impl.h"
#include "build/build_config.h"
#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
#include "chrome/browser/metrics/ukm_background_recorder_service.h"
#include "chrome/browser/profiles/keep_alive/profile_keep_alive_types.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/keep_alive_registry/keep_alive_registry.h"
#include "components/keep_alive_registry/keep_alive_types.h"
#include "components/site_engagement/content/site_engagement_service.h"
#include "components/webapps/common/web_app_id.h"
#include "content/public/browser/background_sync_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/browser/web_contents.h"
#include "url/origin.h"
#if BUILDFLAG(IS_ANDROID)
#include "chrome/browser/android/background_sync_launcher_android.h"
#endif
BackgroundSyncDelegateImpl::BackgroundSyncDelegateImpl(Profile* profile)
: SiteEngagementObserver(
site_engagement::SiteEngagementService::Get(profile)),
profile_(profile),
ukm_background_service_(
ukm::UkmBackgroundRecorderFactory::GetForProfile(profile)),
site_engagement_service_(
site_engagement::SiteEngagementService::Get(profile)) {
DCHECK(profile_);
DCHECK(ukm_background_service_);
DCHECK(site_engagement_service_);
off_the_record_ = profile_->IsOffTheRecord();
}
BackgroundSyncDelegateImpl::~BackgroundSyncDelegateImpl() = default;
#if !BUILDFLAG(IS_ANDROID)
BackgroundSyncDelegateImpl::BackgroundSyncEventKeepAliveImpl::
BackgroundSyncEventKeepAliveImpl(Profile* profile) {
keepalive_ = std::unique_ptr<ScopedKeepAlive,
content::BrowserThread::DeleteOnUIThread>(
new ScopedKeepAlive(KeepAliveOrigin::BACKGROUND_SYNC,
KeepAliveRestartOption::DISABLED));
if (!profile->IsOffTheRecord()) {
// TODO(crbug.com/40159237): Remove this guard when OTR profiles become
// refcounted and support ScopedProfileKeepAlive.
profile_keepalive_ =
std::unique_ptr<ScopedProfileKeepAlive,
content::BrowserThread::DeleteOnUIThread>(
new ScopedProfileKeepAlive(
profile, ProfileKeepAliveOrigin::kBackgroundSync));
}
}
BackgroundSyncDelegateImpl::BackgroundSyncEventKeepAliveImpl::
~BackgroundSyncEventKeepAliveImpl() = default;
std::unique_ptr<content::BackgroundSyncController::BackgroundSyncEventKeepAlive>
BackgroundSyncDelegateImpl::CreateBackgroundSyncEventKeepAlive() {
if (!KeepAliveRegistry::GetInstance()->IsShuttingDown())
return std::make_unique<BackgroundSyncEventKeepAliveImpl>(profile_);
return nullptr;
}
#endif // !BUILDFLAG(IS_ANDROID)
void BackgroundSyncDelegateImpl::GetUkmSourceId(
const url::Origin& origin,
base::OnceCallback<void(std::optional<ukm::SourceId>)> callback) {
ukm_background_service_->GetBackgroundSourceIdIfAllowed(origin,
std::move(callback));
}
void BackgroundSyncDelegateImpl::Shutdown() {
// Clear the profile as we're not supposed to use it anymore.
profile_ = nullptr;
}
HostContentSettingsMap*
BackgroundSyncDelegateImpl::GetHostContentSettingsMap() {
return HostContentSettingsMapFactory::GetForProfile(profile_);
}
bool BackgroundSyncDelegateImpl::IsProfileOffTheRecord() {
return off_the_record_;
}
void BackgroundSyncDelegateImpl::NoteSuspendedPeriodicSyncOrigins(
std::set<url::Origin> suspended_origins) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
for (auto& origin : suspended_origins)
suspended_periodic_sync_origins_.insert(std::move(origin));
}
int BackgroundSyncDelegateImpl::GetSiteEngagementPenalty(const GURL& url) {
blink::mojom::EngagementLevel engagement_level =
site_engagement_service_->GetEngagementLevel(url);
if (engagement_level == blink::mojom::EngagementLevel::NONE) {
suspended_periodic_sync_origins_.insert(
url::Origin::Create(url.DeprecatedGetOriginAsURL()));
}
switch (engagement_level) {
case blink::mojom::EngagementLevel::NONE:
// Suspend registration until site_engagement improves.
return kEngagementLevelNonePenalty;
case blink::mojom::EngagementLevel::MINIMAL:
return kEngagementLevelMinimalPenalty;
case blink::mojom::EngagementLevel::LOW:
case blink::mojom::EngagementLevel::MEDIUM:
return kEngagementLevelLowOrMediumPenalty;
case blink::mojom::EngagementLevel::HIGH:
case blink::mojom::EngagementLevel::MAX:
// Very few sites reach max engagement level.
return kEngagementLevelHighOrMaxPenalty;
}
NOTREACHED();
}
#if BUILDFLAG(IS_ANDROID)
void BackgroundSyncDelegateImpl::ScheduleBrowserWakeUpWithDelay(
blink::mojom::BackgroundSyncType sync_type,
base::TimeDelta delay) {
BackgroundSyncLauncherAndroid::ScheduleBrowserWakeUpWithDelay(sync_type,
delay);
}
void BackgroundSyncDelegateImpl::CancelBrowserWakeup(
blink::mojom::BackgroundSyncType sync_type) {
BackgroundSyncLauncherAndroid::CancelBrowserWakeup(sync_type);
}
bool BackgroundSyncDelegateImpl::ShouldDisableBackgroundSync() {
return BackgroundSyncLauncherAndroid::ShouldDisableBackgroundSync();
}
bool BackgroundSyncDelegateImpl::ShouldDisableAndroidNetworkDetection() {
return false;
}
#endif // BUILDFLAG(IS_ANDROID)
void BackgroundSyncDelegateImpl::OnEngagementEvent(
content::WebContents* web_contents,
const GURL& url,
double score,
double old_score,
site_engagement::EngagementType engagement_type,
const std::optional<webapps::AppId>& app_id) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (score == 0.0)
return;
auto origin = url::Origin::Create(url);
auto iter = suspended_periodic_sync_origins_.find(origin);
if (iter == suspended_periodic_sync_origins_.end())
return;
suspended_periodic_sync_origins_.erase(iter);
// Engagement is always accumulated in the main frame.
auto* storage_partition =
web_contents->GetPrimaryMainFrame()->GetStoragePartition();
if (!storage_partition)
return;
auto* background_sync_context = storage_partition->GetBackgroundSyncContext();
if (!background_sync_context)
return;
background_sync_context->RevivePeriodicBackgroundSyncRegistrations(
std::move(origin));
}
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