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// Copyright 2018 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/ash/guest_os/guest_os_registry_service.h"
#include <string_view>
#include <utility>
#include "ash/constants/ash_features.h"
#include "ash/public/cpp/app_list/app_list_config.h"
#include "base/containers/contains.h"
#include "base/feature_list.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/metrics/histogram_macros.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/to_string.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/thread_pool.h"
#include "base/time/clock.h"
#include "base/time/default_clock.h"
#include "base/time/time.h"
#include "chrome/browser/apps/app_service/app_icon/app_icon_factory.h"
#include "chrome/browser/apps/app_service/app_icon/dip_px_util.h"
#include "chrome/browser/ash/app_list/app_list_syncable_service.h"
#include "chrome/browser/ash/app_list/app_list_syncable_service_factory.h"
#include "chrome/browser/ash/borealis/borealis_app_launcher.h"
#include "chrome/browser/ash/borealis/borealis_features.h"
#include "chrome/browser/ash/borealis/borealis_service.h"
#include "chrome/browser/ash/borealis/borealis_service_factory.h"
#include "chrome/browser/ash/borealis/borealis_util.h"
#include "chrome/browser/ash/bruschetta/bruschetta_util.h"
#include "chrome/browser/ash/crostini/crostini_features.h"
#include "chrome/browser/ash/crostini/crostini_manager.h"
#include "chrome/browser/ash/guest_os/guest_os_pref_names.h"
#include "chrome/browser/ash/guest_os/guest_os_shelf_utils.h"
#include "chrome/browser/ash/guest_os/public/types.h"
#include "chrome/browser/ash/plugin_vm/plugin_vm_features.h"
#include "chrome/browser/ash/plugin_vm/plugin_vm_files.h"
#include "chrome/browser/ash/plugin_vm/plugin_vm_util.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/icon_transcoder/svg_icon_transcoder.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/grit/chromeos_app_icon_resources.h"
#include "chrome/grit/generated_resources.h"
#include "chromeos/ash/components/dbus/vm_applications/apps.pb.h"
#include "components/crx_file/id_util.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "components/services/app_service/public/cpp/icon_types.h"
#include "extensions/browser/api/file_handlers/mime_util.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_scale_factor.h"
#include "ui/gfx/image/image_skia_operations.h"
using vm_tools::apps::App;
namespace guest_os {
namespace {
void Launch(vm_tools::apps::VmType vm_type,
std::string app_id,
Profile* profile,
const GURL& url) {
switch (vm_type) {
case VmType::TERMINA:
crostini::LaunchCrostiniApp(profile, app_id, display::kInvalidDisplayId,
{url.spec()}, base::DoNothing());
break;
case VmType::PLUGIN_VM:
plugin_vm::LaunchPluginVmApp(profile, app_id, {url.spec()},
base::DoNothing());
break;
case VmType::BOREALIS:
borealis::BorealisServiceFactory::GetForProfile(profile)
->AppLauncher()
.Launch(app_id, {url.spec()},
borealis::BorealisLaunchSource::kAppUrlHandler,
base::DoNothing());
break;
default:
// Usual best practice is to exhaustively handle all enum cases, in order
// to trigger a compiler warning if a newly-added enum case isn't handled.
// However, this enum is generated, and the source proto lives in the CrOS
// platform2 repo. If we attempted to exhaustively handle all cases,
// adding a new enum entry would unavoidably break Chromium's build (since
// warnings are treated as errors). So instead we have this default case,
// and log unexpected values.
LOG(ERROR) << "Unsupported VmType: " << static_cast<int>(VmType());
}
}
bool AppHandlesProtocol(const GuestOsRegistryService::Registration& app,
const GURL& url) {
if (app.VmType() == VmType::BOREALIS &&
!borealis::IsExternalURLAllowed(url)) {
return false;
}
return base::Contains(app.MimeTypes(), "x-scheme-handler/" + url.scheme());
}
// This prefix is used when generating the crostini app list id.
constexpr char kCrostiniAppIdPrefix[] = "crostini:";
constexpr char kCrostiniIconFolder[] = "crostini.icons";
base::Value::Dict ProtoToDictionary(const App::LocaleString& locale_string) {
base::Value::Dict result;
for (const App::LocaleString::Entry& entry : locale_string.values()) {
const std::string& locale = entry.locale();
std::string locale_with_dashes(locale);
std::replace(locale_with_dashes.begin(), locale_with_dashes.end(), '_',
'-');
if (!locale.empty() &&
!l10n_util::IsValidLocaleSyntax(locale_with_dashes)) {
continue;
}
result.Set(locale, base::Value(entry.value()));
}
return result;
}
std::set<std::string> ListToStringSet(const base::Value::List* list,
bool to_lower_ascii = false) {
std::set<std::string> result;
if (!list) {
return result;
}
for (const base::Value& value : *list) {
result.insert(to_lower_ascii ? base::ToLowerASCII(value.GetString())
: value.GetString());
}
return result;
}
base::Value::List ProtoToList(
const google::protobuf::RepeatedPtrField<std::string>& strings) {
base::Value::List result;
for (const std::string& string : strings) {
result.Append(string);
}
return result;
}
base::Value::Dict LocaleStringsProtoToDictionary(
const App::LocaleStrings& repeated_locale_string) {
base::Value::Dict result;
for (const auto& strings_with_locale : repeated_locale_string.values()) {
const std::string& locale = strings_with_locale.locale();
std::string locale_with_dashes(locale);
std::replace(locale_with_dashes.begin(), locale_with_dashes.end(), '_',
'-');
if (!locale.empty() &&
!l10n_util::IsValidLocaleSyntax(locale_with_dashes)) {
continue;
}
result.Set(locale, ProtoToList(strings_with_locale.value()));
}
return result;
}
// Populate |pref_registration| based on the given App proto.
// |name| should be |app.name()| in Dictionary form.
void PopulatePrefRegistrationFromApp(base::Value::Dict& pref_registration,
VmType vm_type,
const std::string& vm_name,
const std::string& container_name,
const vm_tools::apps::App& app,
base::Value::Dict name) {
pref_registration.Set(guest_os::prefs::kAppDesktopFileIdKey,
base::Value(app.desktop_file_id()));
pref_registration.Set(guest_os::prefs::kVmTypeKey, static_cast<int>(vm_type));
pref_registration.Set(guest_os::prefs::kVmNameKey, base::Value(vm_name));
pref_registration.Set(guest_os::prefs::kContainerNameKey,
base::Value(container_name));
pref_registration.Set(guest_os::prefs::kAppNameKey, std::move(name));
pref_registration.Set(guest_os::prefs::kAppExecKey, base::Value(app.exec()));
pref_registration.Set(guest_os::prefs::kAppExecutableFileNameKey,
base::Value(app.executable_file_name()));
pref_registration.Set(guest_os::prefs::kAppExtensionsKey,
ProtoToList(app.extensions()));
pref_registration.Set(guest_os::prefs::kAppMimeTypesKey,
ProtoToList(app.mime_types()));
pref_registration.Set(guest_os::prefs::kAppKeywordsKey,
LocaleStringsProtoToDictionary(app.keywords()));
pref_registration.Set(guest_os::prefs::kAppNoDisplayKey,
base::Value(app.no_display()));
pref_registration.Set(guest_os::prefs::kAppTerminalKey,
base::Value(app.terminal()));
pref_registration.Set(guest_os::prefs::kAppStartupWMClassKey,
base::Value(app.startup_wm_class()));
pref_registration.Set(guest_os::prefs::kAppStartupNotifyKey,
base::Value(app.startup_notify()));
pref_registration.Set(guest_os::prefs::kAppPackageIdKey,
base::Value(app.package_id()));
}
bool EqualsExcludingTimestamps(const base::Value::Dict& left,
const base::Value::Dict& right) {
auto left_iter = left.begin();
auto right_iter = right.begin();
while (left_iter != left.end() && right_iter != right.end()) {
if (left_iter->first == guest_os::prefs::kAppInstallTimeKey ||
left_iter->first == guest_os::prefs::kAppLastLaunchTimeKey) {
++left_iter;
continue;
}
if (right_iter->first == guest_os::prefs::kAppInstallTimeKey ||
right_iter->first == guest_os::prefs::kAppLastLaunchTimeKey) {
++right_iter;
continue;
}
if (*left_iter != *right_iter)
return false;
++left_iter;
++right_iter;
}
return left_iter == left.end() && right_iter == right.end();
}
void InstallIconFromFileThread(const base::FilePath& icon_path,
const std::string& content) {
DCHECK(!content.empty());
base::CreateDirectory(icon_path.DirName());
if (!base::WriteFile(icon_path, content)) {
VLOG(2) << "Failed to write Crostini icon file: "
<< icon_path.MaybeAsASCII();
if (!base::DeleteFile(icon_path)) {
VLOG(2) << "Couldn't delete broken icon file" << icon_path.MaybeAsASCII();
}
}
}
void DeleteIconFolderFromFileThread(const base::FilePath& path) {
DCHECK(path.DirName().BaseName().MaybeAsASCII() == kCrostiniIconFolder &&
(!base::PathExists(path) || base::DirectoryExists(path)));
const bool deleted = base::DeletePathRecursively(path);
DCHECK(deleted);
}
template <typename List>
static std::string Join(const List& list);
static std::string ToString(bool b) {
return base::ToString(b);
}
static std::string ToString(int i) {
return base::NumberToString(i);
}
static std::string ToString(const std::string& string) {
return '"' + string + '"';
}
static std::string ToString(
const google::protobuf::RepeatedPtrField<std::string>& list) {
return Join(list);
}
static std::string ToString(
const vm_tools::apps::App_LocaleString_Entry& entry) {
return "{locale: " + ToString(entry.locale()) +
", value: " + ToString(entry.value()) + "}";
}
static std::string ToString(
const vm_tools::apps::App_LocaleStrings_StringsWithLocale&
strings_with_locale) {
return "{locale: " + ToString(strings_with_locale.locale()) +
", value: " + ToString(strings_with_locale.value()) + "}";
}
static std::string ToString(const vm_tools::apps::App_LocaleString& string) {
return Join(string.values());
}
static std::string ToString(const vm_tools::apps::App_LocaleStrings& strings) {
return Join(strings.values());
}
static std::string ToString(const vm_tools::apps::App& app) {
return "{desktop_file_id: " + ToString(app.desktop_file_id()) +
", name: " + ToString(app.name()) +
", comment: " + ToString(app.comment()) +
", mime_types: " + ToString(app.mime_types()) +
", no_display: " + ToString(app.no_display()) +
", terminal: " + ToString(app.terminal()) +
", startup_wm_class: " + ToString(app.startup_wm_class()) +
", startup_notify: " + ToString(app.startup_notify()) +
", keywords: " + ToString(app.keywords()) +
", exec: " + ToString(app.exec()) +
", executable_file_name: " + ToString(app.executable_file_name()) +
", package_id: " + ToString(app.package_id()) +
", extensions: " + ToString(app.extensions()) + "}";
}
static std::string ToString(const vm_tools::apps::ApplicationList& list) {
return "{apps: " + Join(list.apps()) +
", vm_type: " + ToString(list.vm_type()) +
", vm_name: " + ToString(list.vm_name()) +
", container_name: " + ToString(list.container_name()) +
", owner_id: " + ToString(list.owner_id()) + "}";
}
template <typename List>
static std::string Join(const List& list) {
std::string joined = "[";
const char* seperator = "";
for (const auto& list_item : list) {
joined += seperator + ToString(list_item);
seperator = ", ";
}
joined += "]";
return joined;
}
std::string GetStringKey(const base::Value& dict, std::string_view key) {
if (!dict.is_dict()) {
return std::string();
}
const std::string* value = dict.GetDict().FindString(key);
if (!value) {
return std::string();
}
return *value;
}
} // namespace
GuestOsRegistryService::Registration::Registration(std::string app_id,
base::Value pref)
: app_id_(std::move(app_id)), pref_(std::move(pref)) {}
GuestOsRegistryService::Registration::~Registration() = default;
std::string GuestOsRegistryService::Registration::DesktopFileId() const {
return GetString(guest_os::prefs::kAppDesktopFileIdKey);
}
VmType GuestOsRegistryService::Registration::VmType() const {
return VmTypeFromPref(pref_);
}
std::string GuestOsRegistryService::Registration::VmName() const {
return GetString(guest_os::prefs::kVmNameKey);
}
std::string GuestOsRegistryService::Registration::ContainerName() const {
return GetString(guest_os::prefs::kContainerNameKey);
}
std::string GuestOsRegistryService::Registration::Name() const {
if (VmType() == VmType::PLUGIN_VM) {
return l10n_util::GetStringFUTF8(
IDS_PLUGIN_VM_APP_NAME_WINDOWS_SUFFIX,
base::UTF8ToUTF16(GetLocalizedString(guest_os::prefs::kAppNameKey)));
}
return GetLocalizedString(guest_os::prefs::kAppNameKey);
}
std::string GuestOsRegistryService::Registration::Exec() const {
return GetString(guest_os::prefs::kAppExecKey);
}
std::string GuestOsRegistryService::Registration::ExecutableFileName() const {
return GetString(guest_os::prefs::kAppExecutableFileNameKey);
}
std::set<std::string> GuestOsRegistryService::Registration::Extensions() const {
if (!pref_.is_dict()) {
return {};
}
// Convert to lowercase ASCII to allow case-insensitive match.
return ListToStringSet(
pref_.GetDict().FindList(guest_os::prefs::kAppExtensionsKey),
/*to_lower_ascii=*/true);
}
std::set<std::string> GuestOsRegistryService::Registration::MimeTypes() const {
if (!pref_.is_dict()) {
return {};
}
// Convert to lowercase ASCII to allow case-insensitive match.
return ListToStringSet(
pref_.GetDict().FindList(guest_os::prefs::kAppMimeTypesKey),
/*to_lower_ascii=*/true);
}
std::set<std::string> GuestOsRegistryService::Registration::Keywords() const {
return GetLocalizedList(guest_os::prefs::kAppKeywordsKey);
}
bool GuestOsRegistryService::Registration::NoDisplay() const {
return GetBool(guest_os::prefs::kAppNoDisplayKey);
}
bool GuestOsRegistryService::Registration::Terminal() const {
return GetBool(guest_os::prefs::kAppTerminalKey);
}
std::string GuestOsRegistryService::Registration::PackageId() const {
return GetString(guest_os::prefs::kAppPackageIdKey);
}
bool GuestOsRegistryService::Registration::CanUninstall() const {
if (!pref_.is_dict()) {
return false;
}
// We can uninstall if and only if there is a package that owns the
// application. If no package owns the application, we don't know how to
// uninstall the app.
//
// We don't check other things that might prevent us from uninstalling the
// app. In particular, we don't check if there are other packages which
// depend on the owning package. This should be rare for packages that have
// desktop files, and it's better to show an error message (which the user can
// then Google to learn more) than to just not have an uninstall option at
// all.
const std::string* package_id =
pref_.GetDict().FindString(guest_os::prefs::kAppPackageIdKey);
if (package_id) {
return !package_id->empty();
}
return false;
}
guest_os::GuestId GuestOsRegistryService::Registration::ToGuestId() const {
return guest_os::GuestId(VmType(), VmName(), ContainerName());
}
base::Time GuestOsRegistryService::Registration::InstallTime() const {
return GetTime(guest_os::prefs::kAppInstallTimeKey);
}
base::Time GuestOsRegistryService::Registration::LastLaunchTime() const {
return GetTime(guest_os::prefs::kAppLastLaunchTimeKey);
}
bool GuestOsRegistryService::Registration::IsScaled() const {
return GetBool(guest_os::prefs::kAppScaledKey);
}
std::string GuestOsRegistryService::Registration::StartupWmClass() const {
return GetString(guest_os::prefs::kAppStartupWMClassKey);
}
bool GuestOsRegistryService::Registration::StartupNotify() const {
return GetBool(guest_os::prefs::kAppStartupNotifyKey);
}
std::string GuestOsRegistryService::Registration::GetString(
std::string_view key) const {
return GetStringKey(pref_, key);
}
bool GuestOsRegistryService::Registration::GetBool(std::string_view key) const {
if (!pref_.is_dict()) {
return false;
}
const std::optional<bool> value = pref_.GetDict().FindBool(key);
return value.value_or(false);
}
// This is the companion to GuestOsRegistryService::SetCurrentTime().
base::Time GuestOsRegistryService::Registration::GetTime(
std::string_view key) const {
if (!pref_.is_dict()) {
return base::Time();
}
const std::string* value = pref_.GetDict().FindString(key);
int64_t time;
if (!value || !base::StringToInt64(*value, &time)) {
return base::Time();
}
return base::Time::FromDeltaSinceWindowsEpoch(base::Microseconds(time));
}
// We store in prefs all the localized values for given fields (formatted with
// undescores, e.g. 'fr' or 'en_US'), but users of the registry don't need to
// deal with this.
std::string GuestOsRegistryService::Registration::GetLocalizedString(
std::string_view key) const {
if (!pref_.is_dict()) {
return std::string();
}
const base::Value::Dict* dict = pref_.GetDict().FindDict(key);
if (!dict) {
return std::string();
}
std::string current_locale =
l10n_util::NormalizeLocale(g_browser_process->GetApplicationLocale());
std::vector<std::string> locales;
l10n_util::GetParentLocales(current_locale, &locales);
// We use an empty locale as fallback.
locales.push_back(std::string());
for (const std::string& locale : locales) {
const std::string* value = dict->FindString(locale);
if (value) {
return *value;
}
}
return std::string();
}
std::set<std::string> GuestOsRegistryService::Registration::GetLocalizedList(
std::string_view key) const {
if (!pref_.is_dict()) {
return {};
}
const base::Value::Dict* dict = pref_.GetDict().FindDict(key);
if (!dict) {
return {};
}
std::string current_locale =
l10n_util::NormalizeLocale(g_browser_process->GetApplicationLocale());
std::vector<std::string> locales;
l10n_util::GetParentLocales(current_locale, &locales);
// We use an empty locale as fallback.
locales.push_back(std::string());
for (const std::string& locale : locales) {
const base::Value::List* list = dict->FindList(locale);
if (list) {
return ListToStringSet(list);
}
}
return {};
}
GuestOsRegistryService::GuestOsRegistryService(Profile* profile)
: profile_(profile),
prefs_(profile->GetPrefs()),
base_icon_path_(profile->GetPath().AppendASCII(kCrostiniIconFolder)),
clock_(base::DefaultClock::GetInstance()),
svg_icon_transcoder_(std::make_unique<apps::SvgIconTranscoder>(profile)) {
}
GuestOsRegistryService::~GuestOsRegistryService() = default;
base::WeakPtr<GuestOsRegistryService> GuestOsRegistryService::GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
std::map<std::string, GuestOsRegistryService::Registration>
GuestOsRegistryService::GetAllRegisteredApps() const {
const base::Value::Dict& apps =
prefs_->GetDict(guest_os::prefs::kGuestOsRegistry);
std::map<std::string, GuestOsRegistryService::Registration> result;
for (const auto item : apps) {
result.emplace(item.first, Registration(item.first, item.second.Clone()));
}
return result;
}
std::map<std::string, GuestOsRegistryService::Registration>
GuestOsRegistryService::GetEnabledApps() const {
bool crostini_enabled =
crostini::CrostiniFeatures::Get()->IsEnabled(profile_);
bool plugin_vm_enabled =
plugin_vm::PluginVmFeatures::Get()->IsEnabled(profile_);
bool borealis_enabled =
borealis::BorealisServiceFactory::GetForProfile(profile_)
->Features()
.IsEnabled();
if (!crostini_enabled && !plugin_vm_enabled && !borealis_enabled) {
return {};
}
auto apps = GetAllRegisteredApps();
for (auto it = apps.cbegin(); it != apps.cend();) {
bool enabled = false;
switch (it->second.VmType()) {
case VmType::TERMINA:
enabled = crostini_enabled;
break;
case VmType::PLUGIN_VM:
enabled = plugin_vm_enabled;
break;
case VmType::BOREALIS:
enabled = borealis_enabled;
break;
default:
LOG(ERROR) << "Unsupported VmType: "
<< static_cast<int>(it->second.VmType());
}
if (enabled) {
++it;
} else {
it = apps.erase(it);
}
}
return apps;
}
std::map<std::string, GuestOsRegistryService::Registration>
GuestOsRegistryService::GetRegisteredApps(VmType vm_type) const {
auto apps = GetAllRegisteredApps();
for (auto it = apps.cbegin(); it != apps.cend();) {
if (it->second.VmType() == vm_type) {
++it;
} else {
it = apps.erase(it);
}
}
return apps;
}
std::optional<GuestOsRegistryService::Registration>
GuestOsRegistryService::GetRegistration(const std::string& app_id) const {
const base::Value::Dict& apps =
prefs_->GetDict(guest_os::prefs::kGuestOsRegistry);
const base::Value::Dict* pref_registration = apps.FindDict(app_id);
if (!pref_registration) {
return std::nullopt;
}
return std::make_optional<Registration>(
app_id, base::Value(pref_registration->Clone()));
}
void GuestOsRegistryService::RegisterTransientUrlHandler(
GuestOsUrlHandler handler,
CanHandleUrlCallback canHandleCallback) {
url_handlers_.emplace_back(handler, canHandleCallback);
}
std::optional<GuestOsUrlHandler> GuestOsRegistryService::GetHandler(
const GURL& url) const {
// Transient URL handlers are system-installed, so always take priority.
for (const auto& handler : url_handlers_) {
if (handler.second.Run(url)) {
return handler.first;
}
}
std::map<std::string, Registration> apps = GetEnabledApps();
const Registration* result = nullptr;
for (auto& [unused, registration] : apps) {
if (AppHandlesProtocol(registration, url) &&
(!result || registration.LastLaunchTime() > result->LastLaunchTime())) {
result = ®istration;
}
}
if (!result) {
return std::nullopt;
}
return std::make_optional<GuestOsUrlHandler>(
result->Name(),
base::BindRepeating(Launch, result->VmType(), result->app_id()));
}
base::FilePath GuestOsRegistryService::GetAppPath(
const std::string& app_id) const {
return base_icon_path_.AppendASCII(app_id);
}
base::FilePath GuestOsRegistryService::GetIconPath(
const std::string& app_id,
ui::ResourceScaleFactor scale_factor) const {
const base::FilePath app_path = GetAppPath(app_id);
switch (scale_factor) {
case ui::k100Percent:
return app_path.AppendASCII("icon_100p.png");
case ui::k200Percent:
return app_path.AppendASCII("icon_200p.png");
case ui::k300Percent:
return app_path.AppendASCII("icon_300p.png");
case ui::kScaleFactorNone:
return app_path.AppendASCII("icon.svg");
default:
NOTREACHED();
}
}
void GuestOsRegistryService::LoadIcon(const std::string& app_id,
const apps::IconKey& icon_key,
apps::IconType icon_type,
int32_t size_hint_in_dip,
bool allow_placeholder_icon,
int fallback_icon_resource_id,
apps::LoadIconCallback callback) {
// Add container-badging to all crostini apps except the terminal, which is
// shared between containers. This is part of the multi-container UI, so is
// guarded by a flag.
if (crostini::CrostiniFeatures::Get()->IsMultiContainerAllowed(profile_)) {
auto reg = GetRegistration(app_id);
if (reg && reg->VmType() == VmType::TERMINA) {
callback = base::BindOnce(
&GuestOsRegistryService::ApplyContainerBadgeWithCallback,
weak_ptr_factory_.GetWeakPtr(),
crostini::GetContainerBadgeColor(
profile_, guest_os::GuestId(reg->VmType(), reg->VmName(),
reg->ContainerName())),
std::move(callback));
}
}
if (icon_key.resource_id != apps::IconKey::kInvalidResourceId) {
// The icon is a resource built into the Chrome OS binary.
constexpr bool is_placeholder_icon = false;
apps::LoadIconFromResource(
profile_, app_id, icon_type, size_hint_in_dip, icon_key.resource_id,
is_placeholder_icon,
static_cast<apps::IconEffects>(icon_key.icon_effects),
std::move(callback));
return;
}
// There are paths where nothing higher up the call stack will resize so
// we need to ensure that returned icons are always resized to be
// size_hint_in_dip big. crbug/1170455 is an example.
apps::IconEffects icon_effects = static_cast<apps::IconEffects>(
icon_key.icon_effects | apps::IconEffects::kMdIconStyle);
auto scale_factor = apps_util::GetPrimaryDisplayUIScaleFactor();
auto load_icon_from_vm_fallback = base::BindOnce(
&GuestOsRegistryService::LoadIconFromVM, weak_ptr_factory_.GetWeakPtr(),
app_id, icon_type, size_hint_in_dip, scale_factor, icon_effects,
fallback_icon_resource_id);
auto transcode_svg_fallback = base::BindOnce(
&GuestOsRegistryService::TranscodeIconFromSvg,
weak_ptr_factory_.GetWeakPtr(), GetIconPath(app_id, ui::kScaleFactorNone),
GetIconPath(app_id, scale_factor), icon_type, size_hint_in_dip,
icon_effects, std::move(load_icon_from_vm_fallback));
// Try loading the icon from an on-disk cache. If that fails, try to transcode
// the app's svg icon, and if that fails, fall back
// to LoadIconFromVM.
apps::LoadIconFromFileWithFallback(
icon_type, size_hint_in_dip, GetIconPath(app_id, scale_factor),
icon_effects, std::move(callback), std::move(transcode_svg_fallback));
}
void GuestOsRegistryService::ApplyContainerBadge(
const std::optional<std::string>& app_id,
gfx::ImageSkia* image_skia) {
if (crostini::CrostiniFeatures::Get()->IsMultiContainerAllowed(profile_)) {
auto reg = GetRegistration(*app_id);
if (reg && reg->VmType() == guest_os::VmType::TERMINA) {
ApplyContainerBadgeForImageSkiaIcon(
crostini::GetContainerBadgeColor(
profile_, guest_os::GuestId(reg->VmType(), reg->VmName(),
reg->ContainerName())),
image_skia);
}
}
}
void GuestOsRegistryService::ApplyContainerBadgeForImageSkiaIcon(
SkColor badge_color,
gfx::ImageSkia* icon_out) {
gfx::ImageSkia badge_mask =
*ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
IDR_ICON_BADGE_MASK);
if (badge_mask.size() != icon_out->size()) {
badge_mask = gfx::ImageSkiaOperations::CreateResizedImage(
badge_mask, skia::ImageOperations::RESIZE_BEST, icon_out->size());
}
badge_mask =
gfx::ImageSkiaOperations::CreateColorMask(badge_mask, badge_color);
*icon_out =
gfx::ImageSkiaOperations::CreateSuperimposedImage(*icon_out, badge_mask);
}
void GuestOsRegistryService::ApplyContainerBadgeWithCallback(
SkColor badge_color,
apps::LoadIconCallback callback,
apps::IconValuePtr icon) {
gfx::ImageSkia badge_mask =
*ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
IDR_ICON_BADGE_MASK);
if (badge_mask.size() != icon->uncompressed.size()) {
badge_mask = gfx::ImageSkiaOperations::CreateResizedImage(
badge_mask, skia::ImageOperations::RESIZE_BEST,
icon->uncompressed.size());
}
badge_mask =
gfx::ImageSkiaOperations::CreateColorMask(badge_mask, badge_color);
icon->uncompressed = gfx::ImageSkiaOperations::CreateSuperimposedImage(
icon->uncompressed, badge_mask);
std::move(callback).Run(std::move(icon));
}
void GuestOsRegistryService::TranscodeIconFromSvg(
base::FilePath svg_path,
base::FilePath png_path,
apps::IconType icon_type,
int32_t size_hint_in_dip,
apps::IconEffects icon_effects,
base::OnceCallback<void(apps::LoadIconCallback)> fallback,
apps::LoadIconCallback callback) {
svg_icon_transcoder_->Transcode(
std::move(svg_path), std::move(png_path), gfx::Size(128, 128),
base::BindOnce(
[](apps::IconType icon_type, int32_t size_hint_in_dip,
apps::IconEffects icon_effects, apps::LoadIconCallback callback,
base::OnceCallback<void(apps::LoadIconCallback)> fallback,
std::string icon_content) {
if (!icon_content.empty()) {
apps::LoadIconFromCompressedData(
icon_type, size_hint_in_dip, icon_effects,
std::move(icon_content), std::move(callback));
return;
}
if (fallback) {
std::move(fallback).Run(std::move(callback));
}
},
icon_type, size_hint_in_dip, icon_effects, std::move(callback),
std::move(fallback)));
}
void GuestOsRegistryService::LoadIconFromVM(
const std::string& app_id,
apps::IconType icon_type,
int32_t size_hint_in_dip,
ui::ResourceScaleFactor scale_factor,
apps::IconEffects icon_effects,
int fallback_icon_resource_id,
apps::LoadIconCallback callback) {
RequestIcon(app_id, scale_factor,
base::BindOnce(&GuestOsRegistryService::OnLoadIconFromVM,
weak_ptr_factory_.GetWeakPtr(), app_id, icon_type,
size_hint_in_dip, icon_effects,
fallback_icon_resource_id, std::move(callback)));
}
void GuestOsRegistryService::OnLoadIconFromVM(
const std::string& app_id,
apps::IconType icon_type,
int32_t size_hint_in_dip,
apps::IconEffects icon_effects,
int fallback_icon_resource_id,
apps::LoadIconCallback callback,
std::string compressed_icon_data) {
if (compressed_icon_data.empty()) {
if (fallback_icon_resource_id != apps::IconKey::kInvalidResourceId) {
// We load the fallback icon, but we tell AppsService that this is not
// a placeholder to avoid endless repeat calls since we don't expect to
// find a better icon than this any time soon.
apps::LoadIconFromResource(profile_, app_id, icon_type, size_hint_in_dip,
fallback_icon_resource_id,
/*is_placeholder_icon=*/false, icon_effects,
std::move(callback));
} else {
std::move(callback).Run(std::make_unique<apps::IconValue>());
}
} else {
apps::LoadIconFromCompressedData(icon_type, size_hint_in_dip, icon_effects,
compressed_icon_data, std::move(callback));
}
}
void GuestOsRegistryService::RequestIcon(
const std::string& app_id,
ui::ResourceScaleFactor scale_factor,
base::OnceCallback<void(std::string)> callback) {
if (!GetRegistration(app_id)) {
// App isn't registered (e.g. a GUI app launched from within Crostini
// that doesn't have a .desktop file). Can't get an icon for that case so
// return an empty icon.
std::move(callback).Run({});
return;
}
// Coalesce calls to the container.
auto& callbacks = active_icon_requests_[{app_id, scale_factor}];
callbacks.emplace_back(std::move(callback));
if (callbacks.size() > 1) {
return;
}
RequestContainerAppIcon(app_id, scale_factor);
}
void GuestOsRegistryService::ClearApplicationList(
VmType vm_type,
const std::string& vm_name,
const std::string& container_name) {
std::vector<std::string> removed_apps;
// The ScopedDictPrefUpdate should be destructed before calling the observer.
{
ScopedDictPrefUpdate update(prefs_, guest_os::prefs::kGuestOsRegistry);
base::Value::Dict& apps = update.Get();
for (const auto item : apps) {
Registration registration(item.first, item.second.Clone());
if (vm_type != registration.VmType()) {
continue;
}
if (vm_name != registration.VmName()) {
continue;
}
if (!container_name.empty() &&
container_name != registration.ContainerName()) {
continue;
}
removed_apps.push_back(item.first);
}
for (const std::string& removed_app : removed_apps) {
RemoveAppData(removed_app);
apps.Remove(removed_app);
}
}
if (removed_apps.empty()) {
return;
}
std::vector<std::string> updated_apps;
std::vector<std::string> inserted_apps;
for (Observer& obs : observers_) {
obs.OnRegistryUpdated(this, vm_type, updated_apps, removed_apps,
inserted_apps);
}
}
void GuestOsRegistryService::UpdateApplicationList(
const vm_tools::apps::ApplicationList& app_list) {
VLOG(3) << "Received ApplicationList : " << ToString(app_list);
// TODO(b/294316866): Special-case Bruschetta VMs until cicerone is updated to
// use the correct vm_type.
vm_tools::apps::VmType vm_type = app_list.vm_type();
if (app_list.vm_name() == bruschetta::kBruschettaVmName) {
vm_type = vm_tools::apps::VmType::BRUSCHETTA;
}
if (app_list.vm_name().empty()) {
LOG(WARNING) << "Received app list with missing VM name";
return;
}
if (app_list.container_name().empty()) {
LOG(WARNING) << "Received app list with missing container name";
return;
}
// We need to compute the diff between the new list of apps and the old list
// of apps (with matching vm/container names). We keep a set of the new app
// ids so that we can compute these and update the Dictionary directly.
std::set<std::string> new_app_ids;
std::vector<std::string> updated_apps;
std::vector<std::string> removed_apps;
std::vector<std::string> inserted_apps;
// The ScopedDictPrefUpdate should be destructed before calling the observer.
{
ScopedDictPrefUpdate update(prefs_, guest_os::prefs::kGuestOsRegistry);
base::Value::Dict& apps = update.Get();
for (const App& app : app_list.apps()) {
if (app.desktop_file_id().empty()) {
LOG(WARNING) << "Received app with missing desktop file id";
continue;
}
base::Value::Dict name = ProtoToDictionary(app.name());
if (name.Find(std::string_view()) == nullptr) {
LOG(WARNING) << "Received app '" << app.desktop_file_id()
<< "' with missing unlocalized name";
continue;
}
std::string app_id = GenerateAppId(
app.desktop_file_id(), app_list.vm_name(), app_list.container_name());
new_app_ids.insert(app_id);
base::Value::Dict pref_registration;
PopulatePrefRegistrationFromApp(
pref_registration, vm_type, app_list.vm_name(),
app_list.container_name(), app, std::move(name));
base::Value::Dict* old_app = apps.FindDict(app_id);
if (old_app && EqualsExcludingTimestamps(pref_registration, *old_app)) {
continue;
}
base::Value* old_install_time = nullptr;
base::Value* old_last_launch_time = nullptr;
if (old_app) {
updated_apps.push_back(app_id);
old_install_time = old_app->Find(guest_os::prefs::kAppInstallTimeKey);
old_last_launch_time =
old_app->Find(guest_os::prefs::kAppLastLaunchTimeKey);
} else {
inserted_apps.push_back(app_id);
}
if (old_install_time) {
pref_registration.Set(guest_os::prefs::kAppInstallTimeKey,
old_install_time->Clone());
} else {
SetCurrentTime(pref_registration, guest_os::prefs::kAppInstallTimeKey);
}
if (old_last_launch_time) {
pref_registration.Set(guest_os::prefs::kAppLastLaunchTimeKey,
old_last_launch_time->Clone());
}
apps.Set(app_id, std::move(pref_registration));
}
for (const auto item : apps) {
std::string vm_name =
GetStringKey(item.second, guest_os::prefs::kVmNameKey);
std::string container_name =
GetStringKey(item.second, guest_os::prefs::kContainerNameKey);
if (vm_name.empty() || container_name.empty()) {
LOG(WARNING) << "Detected app with empty vm or container name";
removed_apps.push_back(item.first);
} else if (vm_name == app_list.vm_name() &&
container_name == app_list.container_name() &&
new_app_ids.find(item.first) == new_app_ids.end()) {
removed_apps.push_back(item.first);
}
}
for (const std::string& removed_app : removed_apps) {
RemoveAppData(removed_app);
apps.Remove(removed_app);
}
}
// When we receive notification of the application list then the container
// *should* be online and we can retry all of our icon requests that failed
// due to the container being offline.
for (auto retry_iter = retry_icon_requests_.begin();
retry_iter != retry_icon_requests_.end(); ++retry_iter) {
for (const auto scale_factor : ui::GetSupportedResourceScaleFactors()) {
if (retry_iter->second & (1 << scale_factor)) {
RequestContainerAppIcon(retry_iter->first, scale_factor);
}
}
}
retry_icon_requests_.clear();
if (updated_apps.empty() && removed_apps.empty() && inserted_apps.empty()) {
return;
}
for (Observer& obs : observers_) {
obs.OnRegistryUpdated(this, vm_type, updated_apps, removed_apps,
inserted_apps);
}
}
void GuestOsRegistryService::ContainerBadgeColorChanged(
const guest_os::GuestId& container_id) {
std::vector<std::string> updated_apps;
for (const auto& it : GetAllRegisteredApps()) {
if (it.second.VmName() == container_id.vm_name &&
it.second.ContainerName() == container_id.container_name) {
updated_apps.push_back(it.first);
}
}
std::vector<std::string> removed_apps;
std::vector<std::string> inserted_apps;
for (Observer& obs : observers_) {
obs.OnRegistryUpdated(this, VmType::TERMINA, updated_apps, removed_apps,
inserted_apps);
}
}
void GuestOsRegistryService::RemoveAppData(const std::string& app_id) {
// Remove any pending requests we have for this icon.
retry_icon_requests_.erase(app_id);
// Remove local data on filesystem for the icons.
base::ThreadPool::PostTask(
FROM_HERE, {base::MayBlock(), base::TaskPriority::BEST_EFFORT},
base::BindOnce(&DeleteIconFolderFromFileThread, GetAppPath(app_id)));
}
void GuestOsRegistryService::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void GuestOsRegistryService::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void GuestOsRegistryService::AppLaunched(const std::string& app_id) {
ScopedDictPrefUpdate update(prefs_, guest_os::prefs::kGuestOsRegistry);
base::Value::Dict& app = update->Find(app_id)->GetDict();
SetCurrentTime(app, guest_os::prefs::kAppLastLaunchTimeKey);
auto vm_type = app.FindInt(guest_os::prefs::kVmTypeKey);
if (!vm_type.has_value()) {
LOG(ERROR) << "Failed to find " << guest_os::prefs::kVmTypeKey
<< " for app " << app_id;
return;
}
for (Observer& obs : observers_) {
obs.OnAppLastLaunchTimeUpdated(static_cast<VmType>(vm_type.value()), app_id,
clock_->Now());
}
}
void GuestOsRegistryService::SetCurrentTime(base::Value::Dict& dictionary,
const char* key) const {
int64_t time = clock_->Now().ToDeltaSinceWindowsEpoch().InMicroseconds();
dictionary.Set(key, base::Value(base::NumberToString(time)));
}
void GuestOsRegistryService::SetAppScaled(const std::string& app_id,
bool scaled) {
ScopedDictPrefUpdate update(prefs_, guest_os::prefs::kGuestOsRegistry);
base::Value::Dict& apps = update.Get();
base::Value::Dict* app = apps.FindDict(app_id);
if (!app) {
LOG(ERROR)
<< "Tried to set display scaled property on the app with this app_id "
<< app_id << " that doesn't exist in the registry.";
return;
}
app->Set(guest_os::prefs::kAppScaledKey, scaled);
}
// static
std::string GuestOsRegistryService::GenerateAppId(
const std::string& desktop_file_id,
const std::string& vm_name,
const std::string& container_name) {
// These can collide in theory because the user could choose VM and container
// names which contain slashes, but this will only result in apps missing from
// the launcher.
return crx_file::id_util::GenerateId(kCrostiniAppIdPrefix + vm_name + "/" +
container_name + "/" + desktop_file_id);
}
void GuestOsRegistryService::RequestContainerAppIcon(
const std::string& app_id,
ui::ResourceScaleFactor scale_factor) {
// Ignore requests for app_id that isn't registered.
std::optional<GuestOsRegistryService::Registration> registration =
GetRegistration(app_id);
DCHECK(registration);
if (!registration) {
LOG(ERROR) << "Request to load icon for non-registered app: " << app_id;
return;
}
VLOG(1) << "Request to load icon for app: " << app_id;
// Now make the call to request the actual icon.
std::vector<std::string> desktop_file_ids{registration->DesktopFileId()};
// We can only send integer scale factors to Crostini, so if we have a
// non-integral scale factor we need round the scale factor. We do not expect
// Crostini to give us back exactly what we ask for and we deal with that in
// the CrostiniAppIcon class and may rescale the result in there to match our
// needs.
uint32_t icon_scale = 1;
switch (scale_factor) {
case ui::k200Percent:
icon_scale = 2;
break;
case ui::k300Percent:
icon_scale = 3;
break;
default:
break;
}
crostini::CrostiniManager::GetForProfile(profile_)->GetContainerAppIcons(
guest_os::GuestId(registration->VmType(), registration->VmName(),
registration->ContainerName()),
desktop_file_ids,
ash::SharedAppListConfig::instance().default_grid_icon_dimension(),
icon_scale,
base::BindOnce(&GuestOsRegistryService::OnContainerAppIcon,
weak_ptr_factory_.GetWeakPtr(), app_id, scale_factor));
}
void GuestOsRegistryService::InvokeActiveIconCallbacks(
std::string app_id,
ui::ResourceScaleFactor scale_factor,
std::string icon_content) {
// Invoke all active icon request callbacks with the icon.
auto key =
std::pair<std::string, ui::ResourceScaleFactor>(app_id, scale_factor);
auto& callbacks = active_icon_requests_[key];
VLOG(1) << "Invoking icon callbacks for app: " << app_id
<< ", num callbacks: " << callbacks.size();
for (auto& callback : callbacks) {
std::move(callback).Run(icon_content);
}
active_icon_requests_.erase(key);
}
void GuestOsRegistryService::OnSvgIconTranscoded(
std::string app_id,
ui::ResourceScaleFactor scale_factor,
std::string svg_icon_content,
std::string png_icon_content) {
if (png_icon_content.empty()) {
VLOG(1) << "Failed to transcode svg icon for " << app_id;
}
// Write svg to disk, then invoke active callbacks with png content.
base::ThreadPool::PostTaskAndReply(
FROM_HERE, {base::MayBlock(), base::TaskPriority::BEST_EFFORT},
base::BindOnce(&InstallIconFromFileThread,
GetIconPath(app_id, ui::kScaleFactorNone),
std::move(svg_icon_content)),
base::BindOnce(&GuestOsRegistryService::InvokeActiveIconCallbacks,
weak_ptr_factory_.GetWeakPtr(), app_id, scale_factor,
std::move(png_icon_content)));
}
void GuestOsRegistryService::OnContainerAppIcon(
const std::string& app_id,
ui::ResourceScaleFactor scale_factor,
bool success,
const std::vector<crostini::Icon>& icons) {
std::string icon_content;
if (!success) {
VLOG(1) << "Failed to load icon for app: " << app_id;
// Add this to the list of retryable icon requests so we redo this when
// we get feedback from the container that it's available.
retry_icon_requests_[app_id] |= (1 << scale_factor);
InvokeActiveIconCallbacks(app_id, scale_factor, std::string());
return;
}
if (icons.empty()) {
VLOG(1) << "No icon in container for app: " << app_id;
InvokeActiveIconCallbacks(app_id, scale_factor, std::string());
return;
}
// Install the icon that we received, and invoke active callbacks.
const base::FilePath icon_path = GetIconPath(app_id, scale_factor);
bool is_svg = icons[0].format == vm_tools::cicerone::DesktopIcon::SVG;
VLOG(1) << "Found icon in container for app: " << app_id
<< " path: " << icon_path << " format: " << (is_svg ? "svg" : "png")
<< " bytes: " << icons[0].content.size();
if (is_svg) {
svg_icon_transcoder_->Transcode(
icons[0].content, std::move(icon_path), gfx::Size(128, 128),
base::BindOnce(&GuestOsRegistryService::OnSvgIconTranscoded,
weak_ptr_factory_.GetWeakPtr(), app_id, scale_factor,
icons[0].content));
return;
}
base::ThreadPool::PostTaskAndReply(
FROM_HERE, {base::MayBlock(), base::TaskPriority::BEST_EFFORT},
base::BindOnce(&InstallIconFromFileThread, std::move(icon_path),
icons[0].content),
base::BindOnce(&GuestOsRegistryService::InvokeActiveIconCallbacks,
weak_ptr_factory_.GetWeakPtr(), app_id, scale_factor,
icons[0].content));
}
} // namespace guest_os
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