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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/invalidation/ticl_invalidation_service.h"
#include "base/command_line.h"
#include "chrome/browser/invalidation/invalidation_service_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/signin/signin_manager.h"
#include "chrome/browser/signin/token_service.h"
#include "chrome/common/chrome_notification_types.h"
#include "content/public/browser/notification_service.h"
#include "google_apis/gaia/gaia_constants.h"
#include "sync/notifier/invalidator.h"
#include "sync/notifier/invalidator_state.h"
#include "sync/notifier/non_blocking_invalidator.h"
namespace invalidation {
TiclInvalidationService::TiclInvalidationService(SigninManagerBase* signin,
TokenService* token_service,
Profile* profile)
: profile_(profile),
signin_manager_(signin),
token_service_(token_service),
invalidator_registrar_(new syncer::InvalidatorRegistrar()) { }
TiclInvalidationService::~TiclInvalidationService() {
DCHECK(CalledOnValidThread());
}
void TiclInvalidationService::Init() {
DCHECK(CalledOnValidThread());
invalidator_storage_.reset(new InvalidatorStorage(profile_->GetPrefs()));
if (invalidator_storage_->GetInvalidatorClientId().empty()) {
// This also clears any existing state. We can't reuse old invalidator
// state with the new ID anyway.
invalidator_storage_->SetInvalidatorClientId(GenerateInvalidatorClientId());
}
if (IsReadyToStart()) {
Start();
}
notification_registrar_.Add(this,
chrome::NOTIFICATION_TOKEN_AVAILABLE,
content::Source<TokenService>(token_service_));
notification_registrar_.Add(this,
chrome::NOTIFICATION_GOOGLE_SIGNED_OUT,
content::Source<Profile>(profile_));
}
void TiclInvalidationService::InitForTest(syncer::Invalidator* invalidator) {
// Here we perform the equivalent of Init() and Start(), but with some minor
// changes to account for the fact that we're injecting the invalidator.
invalidator_.reset(invalidator);
invalidator_->RegisterHandler(this);
invalidator_->UpdateRegisteredIds(
this,
invalidator_registrar_->GetAllRegisteredIds());
}
void TiclInvalidationService::RegisterInvalidationHandler(
syncer::InvalidationHandler* handler) {
DCHECK(CalledOnValidThread());
DVLOG(2) << "Registering an invalidation handler";
invalidator_registrar_->RegisterHandler(handler);
}
void TiclInvalidationService::UpdateRegisteredInvalidationIds(
syncer::InvalidationHandler* handler,
const syncer::ObjectIdSet& ids) {
DCHECK(CalledOnValidThread());
DVLOG(2) << "Registering ids: " << ids.size();
invalidator_registrar_->UpdateRegisteredIds(handler, ids);
if (invalidator_) {
invalidator_->UpdateRegisteredIds(
this,
invalidator_registrar_->GetAllRegisteredIds());
}
}
void TiclInvalidationService::UnregisterInvalidationHandler(
syncer::InvalidationHandler* handler) {
DCHECK(CalledOnValidThread());
DVLOG(2) << "Unregistering";
invalidator_registrar_->UnregisterHandler(handler);
if (invalidator_) {
invalidator_->UpdateRegisteredIds(
this,
invalidator_registrar_->GetAllRegisteredIds());
}
}
void TiclInvalidationService::AcknowledgeInvalidation(
const invalidation::ObjectId& id,
const syncer::AckHandle& ack_handle) {
DCHECK(CalledOnValidThread());
if (invalidator_) {
invalidator_->Acknowledge(id, ack_handle);
}
}
syncer::InvalidatorState TiclInvalidationService::GetInvalidatorState() const {
DCHECK(CalledOnValidThread());
if (invalidator_) {
DVLOG(2) << "GetInvalidatorState returning "
<< invalidator_->GetInvalidatorState();
return invalidator_->GetInvalidatorState();
} else {
DVLOG(2) << "Invalidator currently stopped";
return syncer::TRANSIENT_INVALIDATION_ERROR;
}
}
std::string TiclInvalidationService::GetInvalidatorClientId() const {
DCHECK(CalledOnValidThread());
return invalidator_storage_->GetInvalidatorClientId();
}
void TiclInvalidationService::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK(CalledOnValidThread());
switch (type) {
case chrome::NOTIFICATION_TOKEN_AVAILABLE: {
const TokenService::TokenAvailableDetails& token_details =
*(content::Details<const TokenService::TokenAvailableDetails>(
details).ptr());
if (token_details.service() == GaiaConstants::kSyncService) {
DCHECK(IsReadyToStart());
if (!IsStarted()) {
Start();
} else {
UpdateToken();
}
}
break;
}
case chrome::NOTIFICATION_GOOGLE_SIGNED_OUT: {
Logout();
break;
}
default: {
NOTREACHED();
}
}
}
void TiclInvalidationService::OnInvalidatorStateChange(
syncer::InvalidatorState state) {
invalidator_registrar_->UpdateInvalidatorState(state);
}
void TiclInvalidationService::OnIncomingInvalidation(
const syncer::ObjectIdInvalidationMap& invalidation_map) {
invalidator_registrar_->DispatchInvalidationsToHandlers(invalidation_map);
}
void TiclInvalidationService::Shutdown() {
DCHECK(CalledOnValidThread());
if (IsStarted()) {
StopInvalidator();
}
invalidator_storage_.reset();
invalidator_registrar_.reset();
}
bool TiclInvalidationService::IsReadyToStart() {
if (signin_manager_->GetAuthenticatedUsername().empty()) {
DVLOG(2) << "Not starting TiclInvalidationService: user is not signed in.";
return false;
}
if (!token_service_) {
DVLOG(2)
<< "Not starting TiclInvalidationService: TokenService unavailable.";
return false;
}
if (!token_service_->HasTokenForService(GaiaConstants::kSyncService)) {
DVLOG(2) << "Not starting TiclInvalidationService: Sync token unavailable.";
return false;
}
return true;
}
bool TiclInvalidationService::IsStarted() {
return invalidator_.get() != NULL;
}
void TiclInvalidationService::Start() {
DCHECK(CalledOnValidThread());
DCHECK(!invalidator_);
DCHECK(invalidator_storage_);
DCHECK(!invalidator_storage_->GetInvalidatorClientId().empty());
notifier::NotifierOptions options =
ParseNotifierOptions(*CommandLine::ForCurrentProcess());
options.request_context_getter = profile_->GetRequestContext();
invalidator_.reset(new syncer::NonBlockingInvalidator(
options,
invalidator_storage_->GetInvalidatorClientId(),
invalidator_storage_->GetAllInvalidationStates(),
invalidator_storage_->GetBootstrapData(),
syncer::WeakHandle<syncer::InvalidationStateTracker>(
invalidator_storage_->AsWeakPtr()),
content::GetUserAgent(GURL())));
UpdateToken();
invalidator_->RegisterHandler(this);
invalidator_->UpdateRegisteredIds(
this,
invalidator_registrar_->GetAllRegisteredIds());
}
void TiclInvalidationService::UpdateToken() {
std::string email = signin_manager_->GetAuthenticatedUsername();
DCHECK(!email.empty()) << "Expected user to be signed in.";
DCHECK(token_service_->HasTokenForService(GaiaConstants::kSyncService));
std::string sync_token = token_service_->GetTokenForService(
GaiaConstants::kSyncService);
DVLOG(2) << "UpdateCredentials: " << email;
invalidator_->UpdateCredentials(email, sync_token);
}
void TiclInvalidationService::StopInvalidator() {
DCHECK(invalidator_);
invalidator_->UnregisterHandler(this);
invalidator_.reset();
}
void TiclInvalidationService::Logout() {
StopInvalidator();
// This service always expects to have a valid invalidator storage.
// So we must not only clear the old one, but also start a new one.
invalidator_storage_->Clear();
invalidator_storage_.reset(new InvalidatorStorage(profile_->GetPrefs()));
invalidator_storage_->SetInvalidatorClientId(GenerateInvalidatorClientId());
}
} // namespace invalidation
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