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      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/signin/signin_global_error.h"
      6 
      7 #include "base/logging.h"
      8 #include "base/prefs/pref_service.h"
      9 #include "chrome/app/chrome_command_ids.h"
     10 #include "chrome/browser/profiles/profile.h"
     11 #include "chrome/browser/signin/profile_oauth2_token_service.h"
     12 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
     13 #include "chrome/browser/signin/signin_manager.h"
     14 #include "chrome/browser/signin/signin_manager_factory.h"
     15 #include "chrome/browser/ui/browser_commands.h"
     16 #include "chrome/browser/ui/chrome_pages.h"
     17 #include "chrome/browser/ui/global_error/global_error_service.h"
     18 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
     19 #include "chrome/browser/ui/webui/signin/login_ui_service.h"
     20 #include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
     21 #include "chrome/common/pref_names.h"
     22 #include "chrome/common/url_constants.h"
     23 #include "grit/chromium_strings.h"
     24 #include "grit/generated_resources.h"
     25 #include "ui/base/l10n/l10n_util.h"
     26 
     27 SigninGlobalError::SigninGlobalError(Profile* profile)
     28     : auth_error_(GoogleServiceAuthError::AuthErrorNone()), profile_(profile) {
     29 }
     30 
     31 SigninGlobalError::~SigninGlobalError() {
     32   DCHECK(provider_set_.empty())
     33       << "All AuthStatusProviders should be unregistered before"
     34       << " SigninManager::Shutdown() is called";
     35 }
     36 
     37 void SigninGlobalError::AddProvider(const AuthStatusProvider* provider) {
     38   DCHECK(provider_set_.find(provider) == provider_set_.end())
     39       << "Adding same AuthStatusProvider multiple times";
     40   provider_set_.insert(provider);
     41   AuthStatusChanged();
     42 }
     43 
     44 void SigninGlobalError::RemoveProvider(const AuthStatusProvider* provider) {
     45   std::set<const AuthStatusProvider*>::iterator iter =
     46       provider_set_.find(provider);
     47   DCHECK(iter != provider_set_.end())
     48       << "Removing provider that was never added";
     49   provider_set_.erase(iter);
     50   AuthStatusChanged();
     51 }
     52 
     53 SigninGlobalError::AuthStatusProvider::AuthStatusProvider() {
     54 }
     55 
     56 SigninGlobalError::AuthStatusProvider::~AuthStatusProvider() {
     57 }
     58 
     59 void SigninGlobalError::AuthStatusChanged() {
     60   // Walk all of the status providers and collect any error.
     61   GoogleServiceAuthError current_error(GoogleServiceAuthError::AuthErrorNone());
     62   std::string current_account_id;
     63   for (std::set<const AuthStatusProvider*>::const_iterator it =
     64            provider_set_.begin(); it != provider_set_.end(); ++it) {
     65     current_account_id = (*it)->GetAccountId();
     66     current_error = (*it)->GetAuthStatus();
     67 
     68     // Break out if any provider reports an error (ignoring ordinary network
     69     // errors, which are not surfaced to the user). This logic may eventually
     70     // need to be extended to prioritize different auth errors, but for now
     71     // all auth errors are treated the same.
     72     if (current_error.state() != GoogleServiceAuthError::NONE &&
     73         current_error.state() != GoogleServiceAuthError::CONNECTION_FAILED) {
     74       break;
     75     }
     76   }
     77   if (current_error.state() != auth_error_.state() ||
     78       account_id_ != current_account_id) {
     79     auth_error_ = current_error;
     80     if (auth_error_.state() == GoogleServiceAuthError::NONE) {
     81       account_id_.clear();
     82     } else {
     83       account_id_ = current_account_id;
     84     }
     85 
     86     GlobalErrorServiceFactory::GetForProfile(profile_)->NotifyErrorsChanged(
     87         this);
     88   }
     89 }
     90 
     91 bool SigninGlobalError::HasMenuItem() {
     92   return !MenuItemLabel().empty();
     93 }
     94 
     95 int SigninGlobalError::MenuItemCommandID() {
     96   return IDC_SHOW_SIGNIN_ERROR;
     97 }
     98 
     99 base::string16 SigninGlobalError::MenuItemLabel() {
    100   if (account_id_.empty() ||
    101       auth_error_.state() == GoogleServiceAuthError::NONE ||
    102       auth_error_.state() == GoogleServiceAuthError::CONNECTION_FAILED) {
    103     // If the user isn't signed in, or there's no auth error worth elevating to
    104     // the user, don't display any menu item.
    105     return base::string16();
    106   } else {
    107     // There's an auth error the user should know about - notify the user.
    108     return l10n_util::GetStringUTF16(IDS_SYNC_SIGN_IN_ERROR_WRENCH_MENU_ITEM);
    109   }
    110 }
    111 
    112 void SigninGlobalError::ExecuteMenuItem(Browser* browser) {
    113 #if defined(OS_CHROMEOS)
    114   if (auth_error_.state() != GoogleServiceAuthError::NONE) {
    115     DLOG(INFO) << "Signing out the user to fix a sync error.";
    116     // TODO(beng): seems like this could just call chrome::AttemptUserExit().
    117     chrome::ExecuteCommand(browser, IDC_EXIT);
    118     return;
    119   }
    120 #endif
    121 
    122   // TODO(rogerta): what we do depends on which account is reporting an error.
    123   // This will be needed once the account reconcilor is implemented.  The
    124   // LoginUIService will support multi-login as well.
    125 
    126   // Global errors don't show up in the wrench menu on android.
    127 #if !defined(OS_ANDROID)
    128   LoginUIService* login_ui = LoginUIServiceFactory::GetForProfile(profile_);
    129   if (login_ui->current_login_ui()) {
    130     login_ui->current_login_ui()->FocusUI();
    131     return;
    132   }
    133   // Need to navigate to the settings page and display the UI.
    134   chrome::ShowSettingsSubPage(browser, chrome::kSyncSetupSubPage);
    135 #endif
    136 }
    137 
    138 bool SigninGlobalError::HasBubbleView() {
    139   return !GetBubbleViewMessages().empty();
    140 }
    141 
    142 base::string16 SigninGlobalError::GetBubbleViewTitle() {
    143   return l10n_util::GetStringUTF16(IDS_SIGNIN_ERROR_BUBBLE_VIEW_TITLE);
    144 }
    145 
    146 std::vector<base::string16> SigninGlobalError::GetBubbleViewMessages() {
    147   std::vector<base::string16> messages;
    148 
    149   // If the user isn't signed in, no need to display an error bubble.
    150   SigninManagerBase* signin_manager =
    151       SigninManagerFactory::GetForProfileIfExists(profile_);
    152   if (signin_manager) {
    153     std::string username = signin_manager->GetAuthenticatedUsername();
    154     if (username.empty())
    155       return messages;
    156   }
    157 
    158   switch (auth_error_.state()) {
    159     // In the case of no error, or a simple network error, don't bother
    160     // displaying a popup bubble.
    161     case GoogleServiceAuthError::CONNECTION_FAILED:
    162     case GoogleServiceAuthError::NONE:
    163       return messages;
    164 
    165     // TODO(rogerta): use account id in error messages.
    166 
    167     // User credentials are invalid (bad acct, etc).
    168     case GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS:
    169     case GoogleServiceAuthError::SERVICE_ERROR:
    170     case GoogleServiceAuthError::ACCOUNT_DELETED:
    171     case GoogleServiceAuthError::ACCOUNT_DISABLED:
    172       messages.push_back(l10n_util::GetStringFUTF16(
    173           IDS_SYNC_SIGN_IN_ERROR_BUBBLE_VIEW_MESSAGE,
    174           l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
    175       break;
    176 
    177     // Sync service is not available for this account's domain.
    178     case GoogleServiceAuthError::SERVICE_UNAVAILABLE:
    179       messages.push_back(l10n_util::GetStringFUTF16(
    180           IDS_SYNC_UNAVAILABLE_ERROR_BUBBLE_VIEW_MESSAGE,
    181           l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
    182       break;
    183 
    184     // Generic message for "other" errors.
    185     default:
    186       messages.push_back(l10n_util::GetStringFUTF16(
    187           IDS_SYNC_OTHER_SIGN_IN_ERROR_BUBBLE_VIEW_MESSAGE,
    188           l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
    189   }
    190   return messages;
    191 }
    192 
    193 base::string16 SigninGlobalError::GetBubbleViewAcceptButtonLabel() {
    194   // If the service is unavailable, don't give the user the option to try
    195   // signing in again.
    196   if (auth_error_.state() == GoogleServiceAuthError::SERVICE_UNAVAILABLE) {
    197     return l10n_util::GetStringUTF16(
    198         IDS_SYNC_UNAVAILABLE_ERROR_BUBBLE_VIEW_ACCEPT);
    199   } else {
    200     return l10n_util::GetStringUTF16(IDS_SYNC_SIGN_IN_ERROR_BUBBLE_VIEW_ACCEPT);
    201   }
    202 }
    203 
    204 base::string16 SigninGlobalError::GetBubbleViewCancelButtonLabel() {
    205   return base::string16();
    206 }
    207 
    208 void SigninGlobalError::OnBubbleViewDidClose(Browser* browser) {
    209 }
    210 
    211 void SigninGlobalError::BubbleViewAcceptButtonPressed(Browser* browser) {
    212   ExecuteMenuItem(browser);
    213 }
    214 
    215 void SigninGlobalError::BubbleViewCancelButtonPressed(Browser* browser) {
    216   NOTREACHED();
    217 }
    218 
    219 // static
    220 SigninGlobalError* SigninGlobalError::GetForProfile(Profile* profile) {
    221   return ProfileOAuth2TokenServiceFactory::GetForProfile(profile)->
    222       signin_global_error();
    223 }
    224