gcm_profile_service.cc revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/services/gcm/gcm_profile_service.h"
6
7#include <map>
8
9#include "base/logging.h"
10#include "base/prefs/pref_service.h"
11#include "chrome/browser/profiles/profile.h"
12#include "chrome/common/pref_names.h"
13#include "components/pref_registry/pref_registry_syncable.h"
14
15#if defined(OS_ANDROID)
16#include "components/gcm_driver/gcm_driver_android.h"
17#else
18#include "base/bind.h"
19#if defined(OS_CHROMEOS)
20#include "chrome/browser/services/gcm/chromeos_gcm_connection_observer.h"
21#endif
22#include "base/files/file_path.h"
23#include "base/memory/weak_ptr.h"
24#include "chrome/browser/services/gcm/gcm_account_tracker.h"
25#include "chrome/browser/services/gcm/gcm_desktop_utils.h"
26#include "chrome/browser/signin/profile_identity_provider.h"
27#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
28#include "chrome/browser/signin/signin_manager_factory.h"
29#include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
30#include "chrome/common/chrome_constants.h"
31#include "components/gcm_driver/gcm_client_factory.h"
32#include "components/gcm_driver/gcm_driver_desktop.h"
33#include "components/signin/core/browser/signin_manager.h"
34#include "google_apis/gaia/account_tracker.h"
35#include "google_apis/gaia/identity_provider.h"
36#include "net/url_request/url_request_context_getter.h"
37#endif
38
39namespace gcm {
40
41#if !defined(OS_ANDROID)
42// Identity observer only has actual work to do when the user is actually signed
43// in. It ensures that account tracker is taking
44class GCMProfileService::IdentityObserver : public IdentityProvider::Observer {
45 public:
46  IdentityObserver(Profile* profile, GCMDriverDesktop* driver);
47  virtual ~IdentityObserver();
48
49  // IdentityProvider::Observer:
50  virtual void OnActiveAccountLogin() OVERRIDE;
51  virtual void OnActiveAccountLogout() OVERRIDE;
52
53  std::string SignedInUserName() const;
54
55  // Called to inform IdentityObserver that a list of accounts was updated.
56  // |account_tokens| maps email addresses to OAuth2 access tokens.
57  void AccountsUpdated(
58      const std::map<std::string, std::string>& account_tokens);
59
60 private:
61  Profile* profile_;
62  GCMDriverDesktop* driver_;
63  scoped_ptr<IdentityProvider> identity_provider_;
64  scoped_ptr<GCMAccountTracker> gcm_account_tracker_;
65
66  // The account ID that this service is responsible for. Empty when the service
67  // is not running.
68  std::string account_id_;
69
70  base::WeakPtrFactory<GCMProfileService::IdentityObserver> weak_ptr_factory_;
71
72  DISALLOW_COPY_AND_ASSIGN(IdentityObserver);
73};
74
75GCMProfileService::IdentityObserver::IdentityObserver(Profile* profile,
76                                                      GCMDriverDesktop* driver)
77    : profile_(profile), driver_(driver), weak_ptr_factory_(this) {
78  identity_provider_.reset(new ProfileIdentityProvider(
79      SigninManagerFactory::GetForProfile(profile),
80      ProfileOAuth2TokenServiceFactory::GetForProfile(profile),
81      LoginUIServiceFactory::GetForProfile(profile)));
82  identity_provider_->AddObserver(this);
83
84  OnActiveAccountLogin();
85}
86
87GCMProfileService::IdentityObserver::~IdentityObserver() {
88  if (gcm_account_tracker_)
89    gcm_account_tracker_->Shutdown();
90  identity_provider_->RemoveObserver(this);
91}
92
93void GCMProfileService::IdentityObserver::OnActiveAccountLogin() {
94  // This might be called multiple times when the password changes.
95  const std::string account_id = identity_provider_->GetActiveAccountId();
96  if (account_id == account_id_)
97    return;
98  account_id_ = account_id;
99
100  driver_->OnSignedIn();
101
102  if (!gcm_account_tracker_) {
103    scoped_ptr<gaia::AccountTracker> gaia_account_tracker(
104        new gaia::AccountTracker(identity_provider_.get(),
105                                 profile_->GetRequestContext()));
106
107    gcm_account_tracker_.reset(new GCMAccountTracker(
108        gaia_account_tracker.Pass(),
109        base::Bind(&GCMProfileService::IdentityObserver::AccountsUpdated,
110                   weak_ptr_factory_.GetWeakPtr())));
111  }
112
113  gcm_account_tracker_->Start();
114}
115
116void GCMProfileService::IdentityObserver::OnActiveAccountLogout() {
117  account_id_.clear();
118
119  // Check is necessary to not crash browser_tests.
120  if (gcm_account_tracker_)
121    gcm_account_tracker_->Stop();
122  // TODO(fgorski): If we purge here, what should happen when we get
123  // OnActiveAccountLogin() right after that?
124  driver_->Purge();
125}
126
127std::string GCMProfileService::IdentityObserver::SignedInUserName() const {
128  return driver_->IsStarted() ? account_id_ : std::string();
129}
130
131void GCMProfileService::IdentityObserver::AccountsUpdated(
132    const std::map<std::string, std::string>& account_tokens) {
133  driver_->SetAccountsForCheckin(account_tokens);
134}
135#endif  // !defined(OS_ANDROID)
136
137// static
138bool GCMProfileService::IsGCMEnabled(Profile* profile) {
139  return profile->GetPrefs()->GetBoolean(prefs::kGCMChannelEnabled);
140}
141
142// static
143void GCMProfileService::RegisterProfilePrefs(
144    user_prefs::PrefRegistrySyncable* registry) {
145  registry->RegisterBooleanPref(
146      prefs::kGCMChannelEnabled,
147      true,
148      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
149  PushMessagingServiceImpl::RegisterProfilePrefs(registry);
150}
151
152#if defined(OS_ANDROID)
153GCMProfileService::GCMProfileService(Profile* profile)
154    : profile_(profile),
155      push_messaging_service_(this, profile) {
156  DCHECK(!profile->IsOffTheRecord());
157
158  driver_.reset(new GCMDriverAndroid);
159}
160#else
161GCMProfileService::GCMProfileService(
162    Profile* profile,
163    scoped_ptr<GCMClientFactory> gcm_client_factory)
164    : profile_(profile),
165      push_messaging_service_(this, profile) {
166  DCHECK(!profile->IsOffTheRecord());
167
168  driver_ = CreateGCMDriverDesktop(
169      gcm_client_factory.Pass(),
170      profile_->GetPrefs(),
171      profile_->GetPath().Append(chrome::kGCMStoreDirname),
172      profile_->GetRequestContext());
173
174#if defined(OS_CHROMEOS)
175  chromeos_connection_observer_.reset(new gcm::ChromeOSGCMConnectionObserver);
176  driver_->AddConnectionObserver(chromeos_connection_observer_.get());
177#endif
178
179  identity_observer_.reset(new IdentityObserver(
180      profile, static_cast<gcm::GCMDriverDesktop*>(driver_.get())));
181}
182#endif  // defined(OS_ANDROID)
183
184GCMProfileService::GCMProfileService()
185    : profile_(NULL),
186      push_messaging_service_(this, NULL) {
187}
188
189GCMProfileService::~GCMProfileService() {
190}
191
192void GCMProfileService::AddAppHandler(const std::string& app_id,
193                                      GCMAppHandler* handler) {
194  if (driver_)
195    driver_->AddAppHandler(app_id, handler);
196}
197
198void GCMProfileService::RemoveAppHandler(const std::string& app_id) {
199  if (driver_)
200    driver_->RemoveAppHandler(app_id);
201}
202
203void GCMProfileService::Register(const std::string& app_id,
204                                 const std::vector<std::string>& sender_ids,
205                                 const GCMDriver::RegisterCallback& callback) {
206  if (driver_)
207    driver_->Register(app_id, sender_ids, callback);
208}
209
210void GCMProfileService::Shutdown() {
211#if !defined(OS_ANDROID)
212  identity_observer_.reset();
213#endif  // !defined(OS_ANDROID)
214  if (driver_) {
215#if defined(OS_CHROMEOS)
216    driver_->RemoveConnectionObserver(chromeos_connection_observer_.get());
217    chromeos_connection_observer_.reset();
218#endif
219    driver_->Shutdown();
220    driver_.reset();
221  }
222}
223
224std::string GCMProfileService::SignedInUserName() const {
225#if defined(OS_ANDROID)
226  return std::string();
227#else
228  return identity_observer_ ? identity_observer_->SignedInUserName()
229                            : std::string();
230#endif  // defined(OS_ANDROID)
231}
232
233void GCMProfileService::SetDriverForTesting(GCMDriver* driver) {
234  driver_.reset(driver);
235}
236
237}  // namespace gcm
238