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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/apps/app_discovery_service/almanac_fetcher.h"
#include <vector>
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/apps/almanac_api_client/almanac_icon_cache.h"
#include "chrome/browser/apps/app_discovery_service/almanac_api/launcher_app.pb.h"
#include "chrome/browser/apps/app_discovery_service/app_discovery_service.h"
#include "chrome/browser/apps/app_discovery_service/game_extras.h"
#include "chrome/browser/apps/app_discovery_service/launcher_app_almanac_endpoint.h"
#include "chrome/browser/profiles/profile.h"
#include "chromeos/constants/chromeos_features.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/pref_service.h"
#include "google_apis/google_api_keys.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia.h"
#include "url/gurl.h"
namespace apps {
namespace {
// Relative file path to where the launcher app data will be stored on disk.
constexpr char kLauncherAppFilePath[] =
"app_discovery_service/launcher_app/data.pb";
// Profile preference used to track the last time the Almanac was called for the
// Launcher App use case.
constexpr char kLastLauncherAppAlmanacCallTimestamp[] =
"app_discovery_service.last_launcher_app_almanac_call_timestamp";
// Whether or not to skip the check if the build includes the Google Chrome API
// key. Used for testing.
bool skip_api_key_check_for_testing = false;
// Maps the Almanac Launcher App proto response to an app result. The icon
// url is passed and later handled by the icon cache.
std::vector<Result> MapToApps(const proto::LauncherAppResponse& proto) {
std::vector<Result> apps;
for (proto::LauncherAppResponse::AppGroup app_group : proto.app_groups()) {
// Skip apps we cannot display.
if (app_group.icons().empty() || app_group.name().empty() ||
app_group.action_link().empty()) {
continue;
}
// There should be just a single app with a single icon. We want to
// handle more in the future but for now just read the first icon.
const proto::LauncherAppResponse::Icon& icon = app_group.icons(0);
auto extras = std::make_unique<GameExtras>(
base::UTF8ToUTF16(app_group.badge_text()),
/*relative_icon_path_=*/base::FilePath(""), icon.is_masking_allowed(),
GURL(app_group.action_link()));
apps.emplace_back(AppSource::kGames, icon.url(),
base::UTF8ToUTF16(app_group.name()), std::move(extras));
}
return apps;
}
// Handles the downloaded image and converts it to the right format.
void OnIconDownloaded(GetIconCallback callback, const gfx::Image& icon) {
DiscoveryError status = DiscoveryError::kSuccess;
if (icon.IsEmpty()) {
status = DiscoveryError::kErrorRequestFailed;
}
std::move(callback).Run(icon.AsImageSkia(), status);
}
} // namespace
AlmanacFetcher::AlmanacFetcher(Profile* profile,
std::unique_ptr<AlmanacIconCache> icon_cache)
: profile_(profile),
icon_cache_(std::move(icon_cache)) {
// The whole feature would not work unless the build includes the Google
// Chrome API key or this is a test environment as the server call would fail.
if ((google_apis::IsGoogleChromeAPIKeyUsed() ||
skip_api_key_check_for_testing) &&
chromeos::features::IsCloudGamingDeviceEnabled()) {
base::FilePath path = profile->GetPath().AppendASCII(kLauncherAppFilePath);
proto_file_manager_ =
std::make_unique<ProtoFileManager<proto::LauncherAppResponse>>(path);
DownloadApps();
}
}
AlmanacFetcher::~AlmanacFetcher() = default;
void AlmanacFetcher::GetApps(ResultCallback callback) {
auto error = apps_.empty() ? DiscoveryError::kErrorRequestFailed
: DiscoveryError::kSuccess;
std::move(callback).Run(apps_, error);
}
base::CallbackListSubscription AlmanacFetcher::RegisterForAppUpdates(
RepeatingResultCallback callback) {
if (!apps_.empty()) {
callback.Run(apps_);
}
return subscribers_.Add(std::move(callback));
}
// Method calls the icon cache for the given url.
void AlmanacFetcher::GetIcon(const std::string& icon_id,
int32_t size_hint_in_dip,
GetIconCallback callback) {
// Do not use the icon cache if the environment isn't setup correctly.
if (!icon_cache_ || apps_.empty()) {
std::move(callback).Run(gfx::ImageSkia(),
DiscoveryError::kErrorRequestFailed);
return;
}
// We ignore the size as it's hard-coded to kAppIconDimension in:
// //chrome/browser/ash/app_list/search/common/icon_constants.h
icon_cache_->GetIcon(GURL(icon_id),
base::BindOnce(&OnIconDownloaded, std::move(callback)));
}
void AlmanacFetcher::OnAppsUpdate(
std::optional<proto::LauncherAppResponse> response) {
if (!response.has_value()) {
return;
}
apps_ = MapToApps(*response);
subscribers_.Notify(apps_);
}
void AlmanacFetcher::RegisterProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterTimePref(kLastLauncherAppAlmanacCallTimestamp,
base::Time());
}
void AlmanacFetcher::SetSkipApiKeyCheckForTesting(bool skip_api_key_check) {
skip_api_key_check_for_testing = skip_api_key_check;
}
void AlmanacFetcher::DownloadApps() {
if ((base::Time::Now() - GetLastAppsUpdateTime()).InHours() >= 24) {
launcher_app_almanac_endpoint::GetApps(
profile_, base::BindOnce(&AlmanacFetcher::OnServerResponse,
weak_factory_.GetWeakPtr()));
} else {
proto_file_manager_->ReadProtoFromFile(base::BindOnce(
&AlmanacFetcher::OnAppsUpdate, weak_factory_.GetWeakPtr()));
}
}
void AlmanacFetcher::OnServerResponse(
std::optional<proto::LauncherAppResponse> response) {
if (response.has_value()) {
proto_file_manager_->WriteProtoToFile(
*response, base::BindOnce(&AlmanacFetcher::OnFileWritten,
weak_factory_.GetWeakPtr(), *response));
} else {
proto_file_manager_->ReadProtoFromFile(base::BindOnce(
&AlmanacFetcher::OnAppsUpdate, weak_factory_.GetWeakPtr()));
}
}
void AlmanacFetcher::OnFileWritten(proto::LauncherAppResponse response,
bool write_complete) {
OnAppsUpdate(std::move(response));
if (!write_complete) {
LOG(ERROR) << "Writing server response to disk failed";
return;
}
// Only set if writing data to disk succeeded.
SetLastAppsUpdateTime(base::Time::Now());
}
base::Time AlmanacFetcher::GetLastAppsUpdateTime() const {
return profile_->GetPrefs()->GetTime(kLastLauncherAppAlmanacCallTimestamp);
}
void AlmanacFetcher::SetLastAppsUpdateTime(base::Time value) {
profile_->GetPrefs()->SetTime(kLastLauncherAppAlmanacCallTimestamp, value);
}
} // namespace apps
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