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// Copyright 2024 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/android/webapk/webapk_restore_task.h"
#include "base/metrics/histogram_functions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "base/threading/thread_restrictions.h"
#include "chrome/browser/android/webapk/webapk_install_service.h"
#include "chrome/browser/android/webapk/webapk_restore_web_contents_manager.h"
#include "components/webapps/browser/android/webapk/webapk_types.h"
#include "components/webapps/browser/android/webapps_icon_utils.h"
#include "components/webapps/browser/installable/installable_logging.h"
#include "components/webapps/browser/web_contents/web_app_url_loader.h"
#include "content/public/browser/manifest_icon_downloader.h"
#include "url/gurl.h"
namespace webapk {
namespace {
// The length of time to allow the add to homescreen data fetcher to run before
// timing out and generating an icon.
const int kDataFetcherTimeoutInMilliseconds = 12000;
constexpr char kFetchDataResultAppTypeHistogram[] =
"WebApk.Sync.Restore.FetchInstallableData.AppType";
constexpr char kFetchDataResultCodeHistogram[] =
"WebApk.Sync.Restore.FetchInstallableData.NotWebApkStatusCode";
constexpr char kRestoreInstallEventHistogram[] =
"WebApk.Sync.Restore.InstallEvent";
constexpr char kRestoreInstallFallbackWebApkResultHistogram[] =
"WebApk.Sync.Restore.InstallResult.Fallback";
constexpr char kRestoreInstallFetchedWebApkResultHistogram[] =
"WebApk.Sync.Restore.InstallResult.Fetched";
} // namespace
WebApkRestoreData::WebApkRestoreData(
webapps::AppId id,
std::unique_ptr<webapps::ShortcutInfo> info,
base::Time time)
: app_id(id), shortcut_info(std::move(info)), last_used_time(time) {}
WebApkRestoreData::~WebApkRestoreData() = default;
WebApkRestoreData::WebApkRestoreData(WebApkRestoreData&& other)
: app_id(other.app_id),
shortcut_info(std::move(other.shortcut_info)),
last_used_time(other.last_used_time) {}
WebApkRestoreTask::WebApkRestoreTask(
base::PassKey<WebApkRestoreManager> pass_key,
WebApkInstallService* web_apk_install_service,
WebApkRestoreWebContentsManager* web_contents_manager,
std::unique_ptr<webapps::ShortcutInfo> shortcut_info,
base::Time last_used_time)
: web_apk_install_service_(web_apk_install_service),
web_contents_manager_(web_contents_manager->GetWeakPtr()),
fallback_info_(std::move(shortcut_info)),
last_used_time_(last_used_time) {}
WebApkRestoreTask::~WebApkRestoreTask() = default;
void WebApkRestoreTask::DownloadIcon(base::OnceClosure fetch_icon_callback) {
if (!fallback_info_->best_primary_icon_url.is_valid()) {
OnIconDownloaded(std::move(fetch_icon_callback), app_icon_);
return;
}
content::ManifestIconDownloader::Download(
web_contents_manager_->web_contents(),
fallback_info_->best_primary_icon_url,
webapps::WebappsIconUtils::GetIdealHomescreenIconSizeInPx(),
webapps::WebappsIconUtils::GetMinimumHomescreenIconSizeInPx(),
std::numeric_limits<int>::max(),
base::BindOnce(&WebApkRestoreTask::OnIconDownloaded,
weak_factory_.GetWeakPtr(),
std::move(fetch_icon_callback)));
}
void WebApkRestoreTask::OnIconDownloaded(base::OnceClosure fetch_icon_callback,
const SkBitmap& bitmap) {
base::ThreadPool::PostTask(
FROM_HERE,
{base::MayBlock(), base::TaskPriority::USER_VISIBLE,
base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN},
base::BindOnce(
&webapps::WebappsIconUtils::FinalizeLauncherIconInBackground, bitmap,
fallback_info_->url,
base::SingleThreadTaskRunner::GetCurrentDefault(),
base::BindOnce(&WebApkRestoreTask::OnIconCreated,
weak_factory_.GetWeakPtr(),
std::move(fetch_icon_callback))));
}
void WebApkRestoreTask::OnIconCreated(base::OnceClosure fetch_icon_callback,
const SkBitmap& bitmap,
bool is_generated) {
if ((is_generated || fallback_info_->is_primary_icon_maskable)) {
app_icon_ = webapps::WebappsIconUtils::GenerateAdaptiveIconBitmap(bitmap);
} else {
app_icon_ = bitmap;
}
std::move(fetch_icon_callback).Run();
}
void WebApkRestoreTask::Start(CompleteCallback complete_callback) {
complete_callback_ = std::move(complete_callback);
web_contents_manager_->LoadUrl(
fallback_info_->url, base::BindOnce(&WebApkRestoreTask::OnWebAppUrlLoaded,
weak_factory_.GetWeakPtr()));
}
void WebApkRestoreTask::OnWebAppUrlLoaded(
webapps::WebAppUrlLoaderResult result) {
if (result != webapps::WebAppUrlLoaderResult::kUrlLoaded) {
Install(*fallback_info_, app_icon_, FallbackReason::kLoadUrl);
return;
}
data_fetcher_ = std::make_unique<webapps::AddToHomescreenDataFetcher>(
web_contents_manager_->web_contents(), kDataFetcherTimeoutInMilliseconds,
this);
}
void WebApkRestoreTask::OnUserTitleAvailable(
const std::u16string& user_title,
const GURL& url,
webapps::AddToHomescreenParams::AppType app_type) {}
void WebApkRestoreTask::OnDataAvailable(
const webapps::ShortcutInfo& fetched_info,
const SkBitmap& primary_icon,
webapps::AddToHomescreenParams::AppType app_type,
const webapps::InstallableStatusCode status_code) {
base::UmaHistogramEnumeration(kFetchDataResultAppTypeHistogram, app_type);
base::UmaHistogramEnumeration(kFetchDataResultCodeHistogram, status_code);
if (fetched_info.manifest_id != manifest_id()) {
Install(*fallback_info_, app_icon_, FallbackReason::kManifestIdMismatch);
return;
}
if (!webapps::AddToHomescreenParams::IsWebApk(app_type)) {
CHECK(fetched_info.url.is_valid());
auto restore_info = UpdateFetchedInfoWithFallbackInfo(fetched_info);
Install(*restore_info, primary_icon, FallbackReason::kNotWebApkCompatible);
return;
}
Install(fetched_info, primary_icon, FallbackReason::kNone);
}
std::unique_ptr<webapps::ShortcutInfo>
WebApkRestoreTask::UpdateFetchedInfoWithFallbackInfo(
const webapps::ShortcutInfo& fetched_info) {
auto new_info = std::make_unique<webapps::ShortcutInfo>(fetched_info);
if (new_info->name.empty()) {
new_info->name = fallback_info_->name;
new_info->short_name = fallback_info_->short_name;
}
if (!new_info->best_primary_icon_url.is_valid()) {
new_info->best_primary_icon_url = fallback_info_->best_primary_icon_url;
new_info->is_primary_icon_maskable =
fallback_info_->is_primary_icon_maskable;
}
return new_info;
}
void WebApkRestoreTask::Install(const webapps::ShortcutInfo& restore_info,
const SkBitmap& primary_icon,
FallbackReason fallback_reason) {
base::UmaHistogramEnumeration(kRestoreInstallEventHistogram, fallback_reason);
// TODO(crbug.com/41496289): We need web_contents to construct the proto,
// but generating WebAPK on server side and installing the apk can be done
// in parallel with the next task.
web_apk_install_service_->InstallRestoreAsync(
web_contents_manager_->web_contents(), restore_info, primary_icon,
webapps::WebappInstallSource::WEBAPK_RESTORE,
base::BindOnce(&WebApkRestoreTask::OnFinishedInstall,
weak_factory_.GetWeakPtr(),
fallback_reason != FallbackReason::kNone));
}
void WebApkRestoreTask::OnFinishedInstall(bool is_fallback,
webapps::WebApkInstallResult result) {
base::UmaHistogramEnumeration(
(is_fallback ? kRestoreInstallFallbackWebApkResultHistogram
: kRestoreInstallFetchedWebApkResultHistogram),
result);
if (complete_callback_) {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(std::move(complete_callback_), manifest_id(), result));
}
}
GURL WebApkRestoreTask::manifest_id() const {
return fallback_info_->manifest_id;
}
std::u16string WebApkRestoreTask::app_name() const {
return fallback_info_->name;
}
} // namespace webapk
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