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// Copyright 2019 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/ash/settings/pages/people/os_sync_handler.h"
#include "ash/public/cpp/new_window_delegate.h"
#include "base/auto_reset.h"
#include "base/check_op.h"
#include "base/functional/bind.h"
#include "base/values.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sync/sync_service_factory.h"
#include "chrome/browser/ui/webui/ash/settings/pref_names.h"
#include "chrome/common/webui_url_constants.h"
#include "components/prefs/pref_service.h"
#include "components/sync/base/pref_names.h"
#include "components/sync/base/user_selectable_type.h"
#include "components/sync/service/sync_service.h"
#include "components/sync/service/sync_user_settings.h"
#include "content/public/browser/web_ui.h"
#include "url/gurl.h"
using syncer::SyncService;
using syncer::SyncUserSettings;
using syncer::UserSelectableOsType;
using syncer::UserSelectableOsTypeSet;
namespace ash {
namespace {
const char kWallpaperEnabledKey[] = "wallpaperEnabled";
} // namespace
OSSyncHandler::OSSyncHandler(Profile* profile) : profile_(profile) {
DCHECK(profile_);
}
OSSyncHandler::~OSSyncHandler() {
RemoveSyncServiceObserver();
}
void OSSyncHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"DidNavigateToOsSyncPage",
base::BindRepeating(&OSSyncHandler::HandleDidNavigateToOsSyncPage,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"DidNavigateAwayFromOsSyncPage",
base::BindRepeating(&OSSyncHandler::HandleDidNavigateAwayFromOsSyncPage,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"OsSyncPrefsDispatch",
base::BindRepeating(&OSSyncHandler::HandleOsSyncPrefsDispatch,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"SetOsSyncDatatypes",
base::BindRepeating(&OSSyncHandler::HandleSetOsSyncDatatypes,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"OpenBrowserSyncSettings",
base::BindRepeating(&OSSyncHandler::HandleOpenBrowserSyncSettings,
base::Unretained(this)));
}
void OSSyncHandler::OnJavascriptAllowed() {
AddSyncServiceObserver();
}
void OSSyncHandler::OnJavascriptDisallowed() {
RemoveSyncServiceObserver();
}
void OSSyncHandler::OnStateChanged(syncer::SyncService* service) {
PushSyncPrefs();
}
void OSSyncHandler::HandleDidNavigateToOsSyncPage(
const base::Value::List& args) {
HandleOsSyncPrefsDispatch(args);
}
void OSSyncHandler::HandleOsSyncPrefsDispatch(const base::Value::List& args) {
AllowJavascript();
PushSyncPrefs();
}
void OSSyncHandler::HandleDidNavigateAwayFromOsSyncPage(
const base::Value::List& args) {
// TODO(https://crbug.com/1278325): Remove this.
}
void OSSyncHandler::HandleOpenBrowserSyncSettings(
const base::Value::List& args) {
ash::NewWindowDelegate::GetPrimary()->OpenUrl(
GURL(chrome::kChromeUISettingsURL).Resolve(chrome::kSyncSetupSubPage),
ash::NewWindowDelegate::OpenUrlFrom::kUserInteraction,
ash::NewWindowDelegate::Disposition::kSwitchToTab);
}
void OSSyncHandler::HandleSetOsSyncDatatypes(const base::Value::List& args) {
CHECK_EQ(1u, args.size());
const base::Value& result_value = args[0];
CHECK(result_value.is_dict());
const base::Value::Dict& result = result_value.GetDict();
// Wallpaper sync status is stored directly to the profile's prefs.
bool wallpaper_synced = result.FindBool(kWallpaperEnabledKey).value();
profile_->GetPrefs()->SetBoolean(settings::prefs::kSyncOsWallpaper,
wallpaper_synced);
// Start configuring the SyncService using the configuration passed to us from
// the JS layer.
syncer::SyncService* service = GetSyncService();
// If the sync engine has shutdown for some reason, just stop.
if (!service || !service->IsEngineInitialized()) {
return;
}
bool sync_all_os_types = result.FindBool("syncAllOsTypes").value();
UserSelectableOsTypeSet selected_types;
for (UserSelectableOsType type : UserSelectableOsTypeSet::All()) {
std::string key =
syncer::GetUserSelectableOsTypeName(type) + std::string("Synced");
std::optional<bool> sync_value = result.FindBool(key);
CHECK(sync_value.has_value()) << key;
if (sync_value.value()) {
selected_types.Put(type);
}
}
// Filter out any non-registered types. The WebUI may echo back values from
// toggles for in-development features hidden by feature flags.
SyncUserSettings* settings = service->GetUserSettings();
selected_types.RetainAll(settings->GetRegisteredSelectableOsTypes());
settings->SetSelectedOsTypes(sync_all_os_types, selected_types);
// TODO(jamescook): Add metrics for selected types.
}
void OSSyncHandler::PushSyncPrefs() {
syncer::SyncService* service = GetSyncService();
// The sync service may be nullptr if it has been just disabled by policy.
if (!service || !service->IsEngineInitialized()) {
return;
}
base::Value::Dict args;
SyncUserSettings* user_settings = service->GetUserSettings();
// Tell the UI layer which data types are registered/enabled by the user.
args.Set("syncAllOsTypes", user_settings->IsSyncAllOsTypesEnabled());
UserSelectableOsTypeSet registered_types =
user_settings->GetRegisteredSelectableOsTypes();
UserSelectableOsTypeSet selected_types = user_settings->GetSelectedOsTypes();
for (UserSelectableOsType type : UserSelectableOsTypeSet::All()) {
std::string type_name = syncer::GetUserSelectableOsTypeName(type);
args.SetByDottedPath(type_name + "Registered", registered_types.Has(type));
args.SetByDottedPath(type_name + "Synced", selected_types.Has(type));
}
// Wallpaper sync status is fetched from prefs and is considered enabled if
// all OS types are enabled; this mimics behavior of GetSelectedOsTypes().
args.Set(kWallpaperEnabledKey, user_settings->IsSyncAllOsTypesEnabled() ||
profile_->GetPrefs()->GetBoolean(
settings::prefs::kSyncOsWallpaper));
FireWebUIListener("os-sync-prefs-changed", args);
}
syncer::SyncService* OSSyncHandler::GetSyncService() const {
const bool is_sync_allowed = SyncServiceFactory::IsSyncAllowed(profile_);
return is_sync_allowed ? SyncServiceFactory::GetForProfile(profile_)
: nullptr;
}
void OSSyncHandler::AddSyncServiceObserver() {
// Observe even if sync isn't allowed. IsSyncAllowed() can change mid-session.
SyncService* service = SyncServiceFactory::GetForProfile(profile_);
if (service) {
service->AddObserver(this);
}
}
void OSSyncHandler::RemoveSyncServiceObserver() {
SyncService* service = SyncServiceFactory::GetForProfile(profile_);
if (service) {
service->RemoveObserver(this);
}
}
} // namespace ash
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