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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/ui/webui/discards/site_data_provider_impl.h"
#include "base/functional/callback_helpers.h"
#include "base/sequence_checker.h"
#include "components/performance_manager/persistence/site_data/site_data.pb.h"
#include "components/performance_manager/persistence/site_data/site_data_cache_factory.h"
#include "components/performance_manager/persistence/site_data/site_data_cache_inspector.h"
#include "components/performance_manager/public/graph/graph.h"
#include "components/performance_manager/public/graph/page_node.h"
#include "components/performance_manager/public/persistence/site_data/site_data_reader.h"
#include "url/gurl.h"
namespace {
discards::mojom::SiteDataFeaturePtr ConvertFeatureFromProto(
const SiteDataFeatureProto& proto) {
discards::mojom::SiteDataFeaturePtr feature =
discards::mojom::SiteDataFeature::New();
if (proto.has_observation_duration()) {
feature->observation_duration = proto.observation_duration();
} else {
feature->observation_duration = 0;
}
if (proto.has_use_timestamp()) {
feature->use_timestamp = proto.use_timestamp();
} else {
feature->use_timestamp = 0;
}
return feature;
}
discards::mojom::SiteDataEntryPtr ConvertEntryFromProto(SiteDataProto* proto) {
discards::mojom::SiteDataValuePtr value =
discards::mojom::SiteDataValue::New();
if (proto->has_last_loaded()) {
value->last_loaded = proto->last_loaded();
} else {
value->last_loaded = 0;
}
value->updates_favicon_in_background =
ConvertFeatureFromProto(proto->updates_favicon_in_background());
value->updates_title_in_background =
ConvertFeatureFromProto(proto->updates_title_in_background());
value->uses_audio_in_background =
ConvertFeatureFromProto(proto->uses_audio_in_background());
if (proto->has_load_time_estimates()) {
const auto& load_time_estimates_proto = proto->load_time_estimates();
DCHECK(load_time_estimates_proto.has_avg_cpu_usage_us());
DCHECK(load_time_estimates_proto.has_avg_footprint_kb());
discards::mojom::SiteDataPerformanceMeasurementPtr load_time_estimates =
discards::mojom::SiteDataPerformanceMeasurement::New();
if (load_time_estimates_proto.has_avg_cpu_usage_us()) {
load_time_estimates->avg_cpu_usage_us =
load_time_estimates_proto.avg_cpu_usage_us();
}
if (load_time_estimates_proto.has_avg_footprint_kb()) {
load_time_estimates->avg_footprint_kb =
load_time_estimates_proto.avg_footprint_kb();
}
if (load_time_estimates_proto.has_avg_load_duration_us()) {
load_time_estimates->avg_load_duration_us =
load_time_estimates_proto.avg_load_duration_us();
}
value->load_time_estimates = std::move(load_time_estimates);
}
discards::mojom::SiteDataEntryPtr entry =
discards::mojom::SiteDataEntry::New();
entry->value = std::move(value);
return entry;
}
} // namespace
SiteDataProviderImpl::SiteDataProviderImpl(const std::string& profile_id)
: profile_id_(profile_id) {}
SiteDataProviderImpl::~SiteDataProviderImpl() = default;
// static
void SiteDataProviderImpl::CreateAndBind(
mojo::PendingReceiver<discards::mojom::SiteDataProvider> receiver,
const std::string& profile_id_,
performance_manager::Graph* graph) {
std::unique_ptr<SiteDataProviderImpl> site_data_provider =
std::make_unique<SiteDataProviderImpl>(profile_id_);
site_data_provider->Bind(std::move(receiver));
graph->PassToGraph(std::move(site_data_provider));
}
void SiteDataProviderImpl::GetSiteDataArray(
const std::vector<std::string>& explicitly_requested_origins,
GetSiteDataArrayCallback callback) {
performance_manager::SiteDataCacheInspector* inspector = nullptr;
if (auto* factory =
performance_manager::SiteDataCacheFactory::GetInstance()) {
inspector = factory->GetInspectorForBrowserContext(profile_id_);
}
if (!inspector) {
// Early return with a nullptr if there's no inspector.
std::move(callback).Run(nullptr);
return;
}
// Move all previously explicitly requested origins to this local map.
// Move any currently requested origins over to the member variable, or
// populate them if they weren't previously requested.
// The difference will remain in this map and go out of scope at the end of
// this function.
OriginToReaderMap prev_requested_origins;
prev_requested_origins.swap(requested_origins_);
performance_manager::SiteDataCache* data_cache = inspector->GetDataCache();
DCHECK(data_cache);
for (const std::string& origin : explicitly_requested_origins) {
auto it = prev_requested_origins.find(origin);
if (it == prev_requested_origins.end()) {
GURL url(origin);
requested_origins_[origin] =
data_cache->GetReaderForOrigin(url::Origin::Create(url));
} else {
requested_origins_[origin] = std::move(it->second);
prev_requested_origins.erase(it);
}
}
discards::mojom::SiteDataArrayPtr result =
discards::mojom::SiteDataArray::New();
std::vector<url::Origin> in_memory_origins =
inspector->GetAllInMemoryOrigins();
for (const url::Origin& origin : in_memory_origins) {
// Get the data for this origin and convert it from proto to the
// corresponding mojo structure.
std::unique_ptr<SiteDataProto> proto;
bool is_dirty = false;
if (inspector->GetDataForOrigin(origin, &is_dirty, &proto)) {
auto entry = ConvertEntryFromProto(proto.get());
entry->origin = origin.Serialize();
entry->is_dirty = is_dirty;
result->db_rows.push_back(std::move(entry));
}
}
// Return the result.
std::move(callback).Run(std::move(result));
}
void SiteDataProviderImpl::GetSiteDataDatabaseSize(
GetSiteDataDatabaseSizeCallback callback) {
performance_manager::SiteDataCacheInspector* inspector = nullptr;
if (auto* factory =
performance_manager::SiteDataCacheFactory::GetInstance()) {
inspector = factory->GetInspectorForBrowserContext(profile_id_);
}
if (!inspector) {
// Early return with a nullptr if there's no inspector.
std::move(callback).Run(nullptr);
return;
}
// Adapt the inspector callback to the mojom callback with this lambda.
auto inspector_callback = base::BindOnce(
[](GetSiteDataDatabaseSizeCallback callback,
std::optional<int64_t> num_rows,
std::optional<int64_t> on_disk_size_kb) {
discards::mojom::SiteDataDatabaseSizePtr result =
discards::mojom::SiteDataDatabaseSize::New();
result->num_rows = num_rows.has_value() ? num_rows.value() : -1;
result->on_disk_size_kb =
on_disk_size_kb.has_value() ? on_disk_size_kb.value() : -1;
std::move(callback).Run(std::move(result));
},
std::move(callback));
inspector->GetDataStoreSize(std::move(inspector_callback));
}
// static
void SiteDataProviderImpl::OnConnectionError(SiteDataProviderImpl* impl) {
std::unique_ptr<performance_manager::GraphOwned> owned_impl =
impl->GetOwningGraph()->TakeFromGraph(impl);
}
void SiteDataProviderImpl::Bind(
mojo::PendingReceiver<discards::mojom::SiteDataProvider> receiver) {
receiver_.Bind(std::move(receiver));
receiver_.set_disconnect_handler(base::BindOnce(
&SiteDataProviderImpl::OnConnectionError, base::Unretained(this)));
}
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