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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/services/gcm/gcm_profile_service.h"
#include <map>
#include "base/logging.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#if defined(OS_ANDROID)
#include "components/gcm_driver/gcm_driver_android.h"
#else
#include "base/bind.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/services/gcm/chromeos_gcm_connection_observer.h"
#endif
#include "base/files/file_path.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/services/gcm/gcm_account_tracker.h"
#include "chrome/browser/services/gcm/gcm_desktop_utils.h"
#include "chrome/browser/signin/profile_identity_provider.h"
#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
#include "chrome/browser/signin/signin_manager_factory.h"
#include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
#include "chrome/common/chrome_constants.h"
#include "components/gcm_driver/gcm_client_factory.h"
#include "components/gcm_driver/gcm_driver_desktop.h"
#include "components/signin/core/browser/signin_manager.h"
#include "google_apis/gaia/account_tracker.h"
#include "google_apis/gaia/identity_provider.h"
#include "net/url_request/url_request_context_getter.h"
#endif
namespace gcm {
#if !defined(OS_ANDROID)
// Identity observer only has actual work to do when the user is actually signed
// in. It ensures that account tracker is taking
class GCMProfileService::IdentityObserver : public IdentityProvider::Observer {
public:
IdentityObserver(Profile* profile, GCMDriverDesktop* driver);
virtual ~IdentityObserver();
// IdentityProvider::Observer:
virtual void OnActiveAccountLogin() OVERRIDE;
virtual void OnActiveAccountLogout() OVERRIDE;
std::string SignedInUserName() const;
// Called to inform IdentityObserver that a list of accounts was updated.
// |account_tokens| maps email addresses to OAuth2 access tokens.
void AccountsUpdated(
const std::map<std::string, std::string>& account_tokens);
private:
Profile* profile_;
GCMDriverDesktop* driver_;
scoped_ptr<IdentityProvider> identity_provider_;
scoped_ptr<GCMAccountTracker> gcm_account_tracker_;
// The account ID that this service is responsible for. Empty when the service
// is not running.
std::string account_id_;
base::WeakPtrFactory<GCMProfileService::IdentityObserver> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(IdentityObserver);
};
GCMProfileService::IdentityObserver::IdentityObserver(Profile* profile,
GCMDriverDesktop* driver)
: profile_(profile), driver_(driver), weak_ptr_factory_(this) {
identity_provider_.reset(new ProfileIdentityProvider(
SigninManagerFactory::GetForProfile(profile),
ProfileOAuth2TokenServiceFactory::GetForProfile(profile),
LoginUIServiceFactory::GetForProfile(profile)));
identity_provider_->AddObserver(this);
OnActiveAccountLogin();
}
GCMProfileService::IdentityObserver::~IdentityObserver() {
if (gcm_account_tracker_)
gcm_account_tracker_->Shutdown();
identity_provider_->RemoveObserver(this);
}
void GCMProfileService::IdentityObserver::OnActiveAccountLogin() {
// This might be called multiple times when the password changes.
const std::string account_id = identity_provider_->GetActiveAccountId();
if (account_id == account_id_)
return;
account_id_ = account_id;
driver_->OnSignedIn();
if (!gcm_account_tracker_) {
scoped_ptr<gaia::AccountTracker> gaia_account_tracker(
new gaia::AccountTracker(identity_provider_.get(),
profile_->GetRequestContext()));
gcm_account_tracker_.reset(new GCMAccountTracker(
gaia_account_tracker.Pass(),
base::Bind(&GCMProfileService::IdentityObserver::AccountsUpdated,
weak_ptr_factory_.GetWeakPtr())));
}
gcm_account_tracker_->Start();
}
void GCMProfileService::IdentityObserver::OnActiveAccountLogout() {
account_id_.clear();
// Check is necessary to not crash browser_tests.
if (gcm_account_tracker_)
gcm_account_tracker_->Stop();
// When sign-in enforcement is not dropped, OnSignedOut will also clear all
// the GCM data and a new GCM ID will be retrieved after the user signs in
// again. Otherwise, the user sign-out will not affect the existing GCM
// data.
driver_->OnSignedOut();
}
std::string GCMProfileService::IdentityObserver::SignedInUserName() const {
return driver_->IsStarted() ? account_id_ : std::string();
}
void GCMProfileService::IdentityObserver::AccountsUpdated(
const std::map<std::string, std::string>& account_tokens) {
driver_->SetAccountsForCheckin(account_tokens);
}
#endif // !defined(OS_ANDROID)
// static
bool GCMProfileService::IsGCMEnabled(Profile* profile) {
return profile->GetPrefs()->GetBoolean(prefs::kGCMChannelEnabled);
}
// static
void GCMProfileService::RegisterProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterBooleanPref(
prefs::kGCMChannelEnabled,
true,
user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
PushMessagingServiceImpl::RegisterProfilePrefs(registry);
}
#if defined(OS_ANDROID)
GCMProfileService::GCMProfileService(Profile* profile)
: profile_(profile),
push_messaging_service_(this, profile) {
DCHECK(!profile->IsOffTheRecord());
driver_.reset(new GCMDriverAndroid);
}
#else
GCMProfileService::GCMProfileService(
Profile* profile,
scoped_ptr<GCMClientFactory> gcm_client_factory)
: profile_(profile),
push_messaging_service_(this, profile) {
DCHECK(!profile->IsOffTheRecord());
driver_ = CreateGCMDriverDesktop(
gcm_client_factory.Pass(),
profile_->GetPrefs(),
profile_->GetPath().Append(chrome::kGCMStoreDirname),
profile_->GetRequestContext());
#ifdef CHROMEOS
chromeos_connection_observer_.reset(new gcm::ChromeOSGCMConnectionObserver);
driver_->AddConnectionObserver(chromeos_connection_observer_.get());
#endif
identity_observer_.reset(new IdentityObserver(
profile, static_cast<gcm::GCMDriverDesktop*>(driver_.get())));
}
#endif // defined(OS_ANDROID)
GCMProfileService::GCMProfileService()
: profile_(NULL),
push_messaging_service_(this, NULL) {
}
GCMProfileService::~GCMProfileService() {
}
void GCMProfileService::AddAppHandler(const std::string& app_id,
GCMAppHandler* handler) {
if (driver_)
driver_->AddAppHandler(app_id, handler);
}
void GCMProfileService::RemoveAppHandler(const std::string& app_id) {
if (driver_)
driver_->RemoveAppHandler(app_id);
}
void GCMProfileService::Register(const std::string& app_id,
const std::vector<std::string>& sender_ids,
const GCMDriver::RegisterCallback& callback) {
if (driver_)
driver_->Register(app_id, sender_ids, callback);
}
void GCMProfileService::Shutdown() {
#if !defined(OS_ANDROID)
identity_observer_.reset();
#endif // !defined(OS_ANDROID)
#if defined(OS_CHROMEOS)
driver_->RemoveConnectionObserver(chromeos_connection_observer_.get());
chromeos_connection_observer_.reset();
#endif
if (driver_) {
driver_->Shutdown();
driver_.reset();
}
}
std::string GCMProfileService::SignedInUserName() const {
#if defined(OS_ANDROID)
return std::string();
#else
return identity_observer_ ? identity_observer_->SignedInUserName()
: std::string();
#endif // defined(OS_ANDROID)
}
void GCMProfileService::SetDriverForTesting(GCMDriver* driver) {
driver_.reset(driver);
}
} // namespace gcm
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