chrome/browser/profiles/profile_info_cache.cc

   1 // Copyright (c) 2012 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/profiles/profile_info_cache.h"
   6
   7 #include "base/bind.h"
   8 #include "base/files/file_util.h"
   9 #include "base/i18n/case_conversion.h"
  10 #include "base/logging.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/prefs/pref_registry_simple.h"
  13 #include "base/prefs/pref_service.h"
  14 #include "base/prefs/scoped_user_pref_update.h"
  15 #include "base/rand_util.h"
  16 #include "base/stl_util.h"
  17 #include "base/strings/string_number_conversions.h"
  18 #include "base/strings/string_piece.h"
  19 #include "base/strings/utf_string_conversions.h"
  20 #include "base/values.h"
  21 #include "chrome/browser/browser_process.h"
  22 #include "chrome/browser/chrome_notification_types.h"
  23 #include "chrome/browser/profiles/profile_avatar_downloader.h"
  24 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
  25 #include "chrome/browser/profiles/profiles_state.h"
  26 #include "chrome/common/pref_names.h"
  27 #include "chrome/grit/generated_resources.h"
  28 #include "components/signin/core/common/profile_management_switches.h"
  29 #include "content/public/browser/browser_thread.h"
  30 #include "content/public/browser/notification_service.h"
  31 #include "ui/base/l10n/l10n_util.h"
  32 #include "ui/base/resource/resource_bundle.h"
  33 #include "ui/gfx/image/image.h"
  34 #include "ui/gfx/image/image_util.h"
  35
  36 #if defined(ENABLE_SUPERVISED_USERS)
  37 #include "chrome/browser/supervised_user/supervised_user_constants.h"
  38 #endif
  39
  40 using content::BrowserThread;
  41
  42 namespace {
  43
  44 const char kNameKey[] = "name";
  45 const char kShortcutNameKey[] = "shortcut_name";
  46 const char kGAIANameKey[] = "gaia_name";
  47 const char kGAIAGivenNameKey[] = "gaia_given_name";
  48 const char kUserNameKey[] = "user_name";
  49 const char kIsUsingDefaultNameKey[] = "is_using_default_name";
  50 const char kIsUsingDefaultAvatarKey[] = "is_using_default_avatar";
  51 const char kAvatarIconKey[] = "avatar_icon";
  52 const char kAuthCredentialsKey[] = "local_auth_credentials";
  53 const char kUseGAIAPictureKey[] = "use_gaia_picture";
  54 const char kBackgroundAppsKey[] = "background_apps";
  55 const char kGAIAPictureFileNameKey[] = "gaia_picture_file_name";
  56 const char kIsOmittedFromProfileListKey[] = "is_omitted_from_profile_list";
  57 const char kSigninRequiredKey[] = "signin_required";
  58 const char kSupervisedUserId[] = "managed_user_id";
  59 const char kProfileIsEphemeral[] = "is_ephemeral";
  60 const char kActiveTimeKey[] = "active_time";
  61 const char kIsAuthErrorKey[] = "is_auth_error";
  62
  63 // First eight are generic icons, which use IDS_NUMBERED_PROFILE_NAME.
  64 const int kDefaultNames[] = {
  65   IDS_DEFAULT_AVATAR_NAME_8,
  66   IDS_DEFAULT_AVATAR_NAME_9,
  67   IDS_DEFAULT_AVATAR_NAME_10,
  68   IDS_DEFAULT_AVATAR_NAME_11,
  69   IDS_DEFAULT_AVATAR_NAME_12,
  70   IDS_DEFAULT_AVATAR_NAME_13,
  71   IDS_DEFAULT_AVATAR_NAME_14,
  72   IDS_DEFAULT_AVATAR_NAME_15,
  73   IDS_DEFAULT_AVATAR_NAME_16,
  74   IDS_DEFAULT_AVATAR_NAME_17,
  75   IDS_DEFAULT_AVATAR_NAME_18,
  76   IDS_DEFAULT_AVATAR_NAME_19,
  77   IDS_DEFAULT_AVATAR_NAME_20,
  78   IDS_DEFAULT_AVATAR_NAME_21,
  79   IDS_DEFAULT_AVATAR_NAME_22,
  80   IDS_DEFAULT_AVATAR_NAME_23,
  81   IDS_DEFAULT_AVATAR_NAME_24,
  82   IDS_DEFAULT_AVATAR_NAME_25,
  83   IDS_DEFAULT_AVATAR_NAME_26
  84 };
  85
  86 typedef std::vector<unsigned char> ImageData;
  87
  88 // Writes |data| to disk and takes ownership of the pointer. On successful
  89 // completion, it runs |callback|.
  90 void SaveBitmap(scoped_ptr<ImageData> data,
  91                 const base::FilePath& image_path,
  92                 const base::Closure& callback) {
  93   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
  94
  95   // Make sure the destination directory exists.
  96   base::FilePath dir = image_path.DirName();
  97   if (!base::DirectoryExists(dir) && !base::CreateDirectory(dir)) {
  98     LOG(ERROR) << "Failed to create parent directory.";
  99     return;
 100   }
 101
 102   if (base::WriteFile(image_path, reinterpret_cast<char*>(&(*data)[0]),
 103                       data->size()) == -1) {
 104     LOG(ERROR) << "Failed to save image to file.";
 105     return;
 106   }
 107
 108   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, callback);
 109 }
 110
 111 // Reads a PNG from disk and decodes it. If the bitmap was successfully read
 112 // from disk the then |out_image| will contain the bitmap image, otherwise it
 113 // will be NULL.
 114 void ReadBitmap(const base::FilePath& image_path,
 115                 gfx::Image** out_image) {
 116   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 117   *out_image = NULL;
 118
 119   // If the path doesn't exist, don't even try reading it.
 120   if (!base::PathExists(image_path))
 121     return;
 122
 123   std::string image_data;
 124   if (!base::ReadFileToString(image_path, &image_data)) {
 125     LOG(ERROR) << "Failed to read PNG file from disk.";
 126     return;
 127   }
 128
 129   gfx::Image image = gfx::Image::CreateFrom1xPNGBytes(
 130       base::RefCountedString::TakeString(&image_data));
 131   if (image.IsEmpty()) {
 132     LOG(ERROR) << "Failed to decode PNG file.";
 133     return;
 134   }
 135
 136   *out_image = new gfx::Image(image);
 137 }
 138
 139 void RunCallbackIfFileMissing(const base::FilePath& file_path,
 140                               const base::Closure& callback) {
 141   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 142   if (!base::PathExists(file_path))
 143     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, callback);
 144 }
 145
 146 void DeleteBitmap(const base::FilePath& image_path) {
 147   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 148   base::DeleteFile(image_path, false);
 149 }
 150
 151 }  // namespace
 152
 153 ProfileInfoCache::ProfileInfoCache(PrefService* prefs,
 154                                    const base::FilePath& user_data_dir)
 155     : prefs_(prefs),
 156       user_data_dir_(user_data_dir) {
 157   // Populate the cache
 158   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 159   base::DictionaryValue* cache = update.Get();
 160   for (base::DictionaryValue::Iterator it(*cache);
 161        !it.IsAtEnd(); it.Advance()) {
 162     base::DictionaryValue* info = NULL;
 163     cache->GetDictionaryWithoutPathExpansion(it.key(), &info);
 164     base::string16 name;
 165     info->GetString(kNameKey, &name);
 166     sorted_keys_.insert(FindPositionForProfile(it.key(), name), it.key());
 167
 168     bool using_default_name;
 169     if (!info->GetBoolean(kIsUsingDefaultNameKey, &using_default_name)) {
 170       // If the preference hasn't been set, and the name is default, assume
 171       // that the user hasn't done this on purpose.
 172       using_default_name = IsDefaultProfileName(name);
 173       info->SetBoolean(kIsUsingDefaultNameKey, using_default_name);
 174     }
 175
 176     // For profiles that don't have the "using default avatar" state set yet,
 177     // assume it's the same as the "using default name" state.
 178     if (!info->HasKey(kIsUsingDefaultAvatarKey)) {
 179       info->SetBoolean(kIsUsingDefaultAvatarKey, using_default_name);
 180     }
 181   }
 182
 183   // If needed, start downloading the high-res avatars and migrate any legacy
 184   // profile names.
 185   if (switches::IsNewAvatarMenu())
 186     MigrateLegacyProfileNamesAndDownloadAvatars();
 187 }
 188
 189 ProfileInfoCache::~ProfileInfoCache() {
 190   STLDeleteContainerPairSecondPointers(
 191       cached_avatar_images_.begin(), cached_avatar_images_.end());
 192   STLDeleteContainerPairSecondPointers(
 193       avatar_images_downloads_in_progress_.begin(),
 194       avatar_images_downloads_in_progress_.end());
 195 }
 196
 197 void ProfileInfoCache::AddProfileToCache(
 198     const base::FilePath& profile_path,
 199     const base::string16& name,
 200     const base::string16& username,
 201     size_t icon_index,
 202     const std::string& supervised_user_id) {
 203   std::string key = CacheKeyFromProfilePath(profile_path);
 204   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 205   base::DictionaryValue* cache = update.Get();
 206
 207   scoped_ptr<base::DictionaryValue> info(new base::DictionaryValue);
 208   info->SetString(kNameKey, name);
 209   info->SetString(kUserNameKey, username);
 210   info->SetString(kAvatarIconKey,
 211       profiles::GetDefaultAvatarIconUrl(icon_index));
 212   // Default value for whether background apps are running is false.
 213   info->SetBoolean(kBackgroundAppsKey, false);
 214   info->SetString(kSupervisedUserId, supervised_user_id);
 215   info->SetBoolean(kIsOmittedFromProfileListKey, !supervised_user_id.empty());
 216   info->SetBoolean(kProfileIsEphemeral, false);
 217   info->SetBoolean(kIsUsingDefaultNameKey, IsDefaultProfileName(name));
 218   // Assume newly created profiles use a default avatar.
 219   info->SetBoolean(kIsUsingDefaultAvatarKey, true);
 220   cache->SetWithoutPathExpansion(key, info.release());
 221
 222   sorted_keys_.insert(FindPositionForProfile(key, name), key);
 223
 224   if (switches::IsNewAvatarMenu())
 225     DownloadHighResAvatarIfNeeded(icon_index, profile_path);
 226
 227   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 228                     observer_list_,
 229                     OnProfileAdded(profile_path));
 230
 231   content::NotificationService::current()->Notify(
 232       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 233       content::NotificationService::AllSources(),
 234       content::NotificationService::NoDetails());
 235 }
 236
 237 void ProfileInfoCache::AddObserver(ProfileInfoCacheObserver* obs) {
 238   observer_list_.AddObserver(obs);
 239 }
 240
 241 void ProfileInfoCache::RemoveObserver(ProfileInfoCacheObserver* obs) {
 242   observer_list_.RemoveObserver(obs);
 243 }
 244
 245 void ProfileInfoCache::DeleteProfileFromCache(
 246     const base::FilePath& profile_path) {
 247   size_t profile_index = GetIndexOfProfileWithPath(profile_path);
 248   if (profile_index == std::string::npos) {
 249     NOTREACHED();
 250     return;
 251   }
 252   base::string16 name = GetNameOfProfileAtIndex(profile_index);
 253
 254   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 255                     observer_list_,
 256                     OnProfileWillBeRemoved(profile_path));
 257
 258   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 259   base::DictionaryValue* cache = update.Get();
 260   std::string key = CacheKeyFromProfilePath(profile_path);
 261   cache->Remove(key, NULL);
 262   sorted_keys_.erase(std::find(sorted_keys_.begin(), sorted_keys_.end(), key));
 263
 264   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 265                     observer_list_,
 266                     OnProfileWasRemoved(profile_path, name));
 267
 268   content::NotificationService::current()->Notify(
 269       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 270       content::NotificationService::AllSources(),
 271       content::NotificationService::NoDetails());
 272 }
 273
 274 size_t ProfileInfoCache::GetNumberOfProfiles() const {
 275   return sorted_keys_.size();
 276 }
 277
 278 size_t ProfileInfoCache::GetIndexOfProfileWithPath(
 279     const base::FilePath& profile_path) const {
 280   if (profile_path.DirName() != user_data_dir_)
 281     return std::string::npos;
 282   std::string search_key = CacheKeyFromProfilePath(profile_path);
 283   for (size_t i = 0; i < sorted_keys_.size(); ++i) {
 284     if (sorted_keys_[i] == search_key)
 285       return i;
 286   }
 287   return std::string::npos;
 288 }
 289
 290 base::string16 ProfileInfoCache::GetNameOfProfileAtIndex(size_t index) const {
 291   base::string16 name;
 292   // Unless the user has customized the profile name, we should use the
 293   // profile's Gaia given name, if it's available.
 294   if (ProfileIsUsingDefaultNameAtIndex(index)) {
 295     base::string16 given_name = GetGAIAGivenNameOfProfileAtIndex(index);
 296     name = given_name.empty() ? GetGAIANameOfProfileAtIndex(index) : given_name;
 297   }
 298   if (name.empty())
 299     GetInfoForProfileAtIndex(index)->GetString(kNameKey, &name);
 300   return name;
 301 }
 302
 303 base::string16 ProfileInfoCache::GetShortcutNameOfProfileAtIndex(size_t index)
 304     const {
 305   base::string16 shortcut_name;
 306   GetInfoForProfileAtIndex(index)->GetString(
 307       kShortcutNameKey, &shortcut_name);
 308   return shortcut_name;
 309 }
 310
 311 base::FilePath ProfileInfoCache::GetPathOfProfileAtIndex(size_t index) const {
 312   return user_data_dir_.AppendASCII(sorted_keys_[index]);
 313 }
 314
 315 base::Time ProfileInfoCache::GetProfileActiveTimeAtIndex(size_t index) const {
 316   double dt;
 317   if (GetInfoForProfileAtIndex(index)->GetDouble(kActiveTimeKey, &dt)) {
 318     return base::Time::FromDoubleT(dt);
 319   } else {
 320     return base::Time();
 321   }
 322 }
 323
 324 base::string16 ProfileInfoCache::GetUserNameOfProfileAtIndex(
 325     size_t index) const {
 326   base::string16 user_name;
 327   GetInfoForProfileAtIndex(index)->GetString(kUserNameKey, &user_name);
 328   return user_name;
 329 }
 330
 331 const gfx::Image& ProfileInfoCache::GetAvatarIconOfProfileAtIndex(
 332     size_t index) const {
 333   if (IsUsingGAIAPictureOfProfileAtIndex(index)) {
 334     const gfx::Image* image = GetGAIAPictureOfProfileAtIndex(index);
 335     if (image)
 336       return *image;
 337   }
 338
 339   // Use the high resolution version of the avatar if it exists.
 340   if (switches::IsNewAvatarMenu()) {
 341     const gfx::Image* image = GetHighResAvatarOfProfileAtIndex(index);
 342     if (image)
 343       return *image;
 344   }
 345
 346   int resource_id = profiles::GetDefaultAvatarIconResourceIDAtIndex(
 347       GetAvatarIconIndexOfProfileAtIndex(index));
 348   return ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
 349 }
 350
 351 std::string ProfileInfoCache::GetLocalAuthCredentialsOfProfileAtIndex(
 352     size_t index) const {
 353   std::string credentials;
 354   GetInfoForProfileAtIndex(index)->GetString(kAuthCredentialsKey, &credentials);
 355   return credentials;
 356 }
 357
 358 bool ProfileInfoCache::GetBackgroundStatusOfProfileAtIndex(
 359     size_t index) const {
 360   bool background_app_status;
 361   if (!GetInfoForProfileAtIndex(index)->GetBoolean(kBackgroundAppsKey,
 362                                                    &background_app_status)) {
 363     return false;
 364   }
 365   return background_app_status;
 366 }
 367
 368 base::string16 ProfileInfoCache::GetGAIANameOfProfileAtIndex(
 369     size_t index) const {
 370   base::string16 name;
 371   GetInfoForProfileAtIndex(index)->GetString(kGAIANameKey, &name);
 372   return name;
 373 }
 374
 375 base::string16 ProfileInfoCache::GetGAIAGivenNameOfProfileAtIndex(
 376     size_t index) const {
 377   base::string16 name;
 378   GetInfoForProfileAtIndex(index)->GetString(kGAIAGivenNameKey, &name);
 379   return name;
 380 }
 381
 382 const gfx::Image* ProfileInfoCache::GetGAIAPictureOfProfileAtIndex(
 383     size_t index) const {
 384   base::FilePath path = GetPathOfProfileAtIndex(index);
 385   std::string key = CacheKeyFromProfilePath(path);
 386
 387   std::string file_name;
 388   GetInfoForProfileAtIndex(index)->GetString(
 389       kGAIAPictureFileNameKey, &file_name);
 390
 391   // If the picture is not on disk then return NULL.
 392   if (file_name.empty())
 393     return NULL;
 394
 395   base::FilePath image_path = path.AppendASCII(file_name);
 396   return LoadAvatarPictureFromPath(path, key, image_path);
 397 }
 398
 399 bool ProfileInfoCache::IsUsingGAIAPictureOfProfileAtIndex(size_t index) const {
 400   bool value = false;
 401   GetInfoForProfileAtIndex(index)->GetBoolean(kUseGAIAPictureKey, &value);
 402   if (!value) {
 403     // Prefer the GAIA avatar over a non-customized avatar.
 404     value = ProfileIsUsingDefaultAvatarAtIndex(index) &&
 405         GetGAIAPictureOfProfileAtIndex(index);
 406   }
 407   return value;
 408 }
 409
 410 bool ProfileInfoCache::ProfileIsSupervisedAtIndex(size_t index) const {
 411   return !GetSupervisedUserIdOfProfileAtIndex(index).empty();
 412 }
 413
 414 bool ProfileInfoCache::ProfileIsChildAtIndex(size_t index) const {
 415 #if defined(ENABLE_SUPERVISED_USERS)
 416   return GetSupervisedUserIdOfProfileAtIndex(index) ==
 417       supervised_users::kChildAccountSUID;
 418 #else
 419   return false;
 420 #endif
 421 }
 422
 423 bool ProfileInfoCache::ProfileIsLegacySupervisedAtIndex(size_t index) const {
 424   return ProfileIsSupervisedAtIndex(index) && !ProfileIsChildAtIndex(index);
 425 }
 426
 427 bool ProfileInfoCache::IsOmittedProfileAtIndex(size_t index) const {
 428   bool value = false;
 429   GetInfoForProfileAtIndex(index)->GetBoolean(kIsOmittedFromProfileListKey,
 430                                               &value);
 431   return value;
 432 }
 433
 434 bool ProfileInfoCache::ProfileIsSigninRequiredAtIndex(size_t index) const {
 435   bool value = false;
 436   GetInfoForProfileAtIndex(index)->GetBoolean(kSigninRequiredKey, &value);
 437   return value;
 438 }
 439
 440 std::string ProfileInfoCache::GetSupervisedUserIdOfProfileAtIndex(
 441     size_t index) const {
 442   std::string supervised_user_id;
 443   GetInfoForProfileAtIndex(index)->GetString(kSupervisedUserId,
 444                                              &supervised_user_id);
 445   return supervised_user_id;
 446 }
 447
 448 bool ProfileInfoCache::ProfileIsEphemeralAtIndex(size_t index) const {
 449   bool value = false;
 450   GetInfoForProfileAtIndex(index)->GetBoolean(kProfileIsEphemeral, &value);
 451   return value;
 452 }
 453
 454 bool ProfileInfoCache::ProfileIsUsingDefaultNameAtIndex(size_t index) const {
 455   bool value = false;
 456   GetInfoForProfileAtIndex(index)->GetBoolean(kIsUsingDefaultNameKey, &value);
 457   return value;
 458 }
 459
 460 bool ProfileInfoCache::ProfileIsUsingDefaultAvatarAtIndex(size_t index) const {
 461   bool value = false;
 462   GetInfoForProfileAtIndex(index)->GetBoolean(kIsUsingDefaultAvatarKey, &value);
 463   return value;
 464 }
 465
 466 bool ProfileInfoCache::ProfileIsAuthErrorAtIndex(size_t index) const {
 467   bool value = false;
 468   GetInfoForProfileAtIndex(index)->GetBoolean(kIsAuthErrorKey, &value);
 469   return value;
 470 }
 471
 472 size_t ProfileInfoCache::GetAvatarIconIndexOfProfileAtIndex(size_t index)
 473     const {
 474   std::string icon_url;
 475   GetInfoForProfileAtIndex(index)->GetString(kAvatarIconKey, &icon_url);
 476   size_t icon_index = 0;
 477   if (!profiles::IsDefaultAvatarIconUrl(icon_url, &icon_index))
 478     DLOG(WARNING) << "Unknown avatar icon: " << icon_url;
 479
 480   return icon_index;
 481 }
 482
 483 void ProfileInfoCache::SetProfileActiveTimeAtIndex(size_t index) {
 484   scoped_ptr<base::DictionaryValue> info(
 485       GetInfoForProfileAtIndex(index)->DeepCopy());
 486   info->SetDouble(kActiveTimeKey, base::Time::Now().ToDoubleT());
 487   // This takes ownership of |info|.
 488   SetInfoQuietlyForProfileAtIndex(index, info.release());
 489 }
 490
 491 void ProfileInfoCache::SetNameOfProfileAtIndex(size_t index,
 492                                                const base::string16& name) {
 493   scoped_ptr<base::DictionaryValue> info(
 494       GetInfoForProfileAtIndex(index)->DeepCopy());
 495   base::string16 current_name;
 496   info->GetString(kNameKey, &current_name);
 497   if (name == current_name)
 498     return;
 499
 500   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 501   info->SetString(kNameKey, name);
 502
 503   // This takes ownership of |info|.
 504   SetInfoForProfileAtIndex(index, info.release());
 505
 506   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 507   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 508   UpdateSortForProfileIndex(index);
 509
 510   if (old_display_name != new_display_name) {
 511     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 512                       observer_list_,
 513                       OnProfileNameChanged(profile_path, old_display_name));
 514   }
 515 }
 516
 517 void ProfileInfoCache::SetShortcutNameOfProfileAtIndex(
 518     size_t index,
 519     const base::string16& shortcut_name) {
 520   if (shortcut_name == GetShortcutNameOfProfileAtIndex(index))
 521     return;
 522   scoped_ptr<base::DictionaryValue> info(
 523       GetInfoForProfileAtIndex(index)->DeepCopy());
 524   info->SetString(kShortcutNameKey, shortcut_name);
 525   // This takes ownership of |info|.
 526   SetInfoForProfileAtIndex(index, info.release());
 527 }
 528
 529 void ProfileInfoCache::SetUserNameOfProfileAtIndex(
 530     size_t index,
 531     const base::string16& user_name) {
 532   if (user_name == GetUserNameOfProfileAtIndex(index))
 533     return;
 534
 535   scoped_ptr<base::DictionaryValue> info(
 536       GetInfoForProfileAtIndex(index)->DeepCopy());
 537   info->SetString(kUserNameKey, user_name);
 538   // This takes ownership of |info|.
 539   SetInfoForProfileAtIndex(index, info.release());
 540 }
 541
 542 void ProfileInfoCache::SetAvatarIconOfProfileAtIndex(size_t index,
 543                                                      size_t icon_index) {
 544   scoped_ptr<base::DictionaryValue> info(
 545       GetInfoForProfileAtIndex(index)->DeepCopy());
 546   info->SetString(kAvatarIconKey,
 547       profiles::GetDefaultAvatarIconUrl(icon_index));
 548   // This takes ownership of |info|.
 549   SetInfoForProfileAtIndex(index, info.release());
 550
 551   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 552
 553   if (switches::IsNewAvatarMenu())
 554     DownloadHighResAvatarIfNeeded(icon_index, profile_path);
 555
 556   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 557                     observer_list_,
 558                     OnProfileAvatarChanged(profile_path));
 559 }
 560
 561 void ProfileInfoCache::SetIsOmittedProfileAtIndex(size_t index,
 562                                                   bool is_omitted) {
 563   if (IsOmittedProfileAtIndex(index) == is_omitted)
 564     return;
 565   scoped_ptr<base::DictionaryValue> info(
 566       GetInfoForProfileAtIndex(index)->DeepCopy());
 567   info->SetBoolean(kIsOmittedFromProfileListKey, is_omitted);
 568   // This takes ownership of |info|.
 569   SetInfoForProfileAtIndex(index, info.release());
 570 }
 571
 572 void ProfileInfoCache::SetSupervisedUserIdOfProfileAtIndex(
 573     size_t index,
 574     const std::string& id) {
 575   if (GetSupervisedUserIdOfProfileAtIndex(index) == id)
 576     return;
 577   scoped_ptr<base::DictionaryValue> info(
 578       GetInfoForProfileAtIndex(index)->DeepCopy());
 579   info->SetString(kSupervisedUserId, id);
 580   // This takes ownership of |info|.
 581   SetInfoForProfileAtIndex(index, info.release());
 582
 583   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 584   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 585                     observer_list_,
 586                     OnProfileSupervisedUserIdChanged(profile_path));
 587 }
 588
 589 void ProfileInfoCache::SetLocalAuthCredentialsOfProfileAtIndex(
 590     size_t index,
 591     const std::string& credentials) {
 592   scoped_ptr<base::DictionaryValue> info(
 593       GetInfoForProfileAtIndex(index)->DeepCopy());
 594   info->SetString(kAuthCredentialsKey, credentials);
 595   // This takes ownership of |info|.
 596   SetInfoForProfileAtIndex(index, info.release());
 597 }
 598
 599 void ProfileInfoCache::SetBackgroundStatusOfProfileAtIndex(
 600     size_t index,
 601     bool running_background_apps) {
 602   if (GetBackgroundStatusOfProfileAtIndex(index) == running_background_apps)
 603     return;
 604   scoped_ptr<base::DictionaryValue> info(
 605       GetInfoForProfileAtIndex(index)->DeepCopy());
 606   info->SetBoolean(kBackgroundAppsKey, running_background_apps);
 607   // This takes ownership of |info|.
 608   SetInfoForProfileAtIndex(index, info.release());
 609 }
 610
 611 void ProfileInfoCache::SetGAIANameOfProfileAtIndex(size_t index,
 612                                                    const base::string16& name) {
 613   if (name == GetGAIANameOfProfileAtIndex(index))
 614     return;
 615
 616   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 617   scoped_ptr<base::DictionaryValue> info(
 618       GetInfoForProfileAtIndex(index)->DeepCopy());
 619   info->SetString(kGAIANameKey, name);
 620   // This takes ownership of |info|.
 621   SetInfoForProfileAtIndex(index, info.release());
 622   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 623   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 624   UpdateSortForProfileIndex(index);
 625
 626   if (old_display_name != new_display_name) {
 627     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 628                       observer_list_,
 629                       OnProfileNameChanged(profile_path, old_display_name));
 630   }
 631 }
 632
 633 void ProfileInfoCache::SetGAIAGivenNameOfProfileAtIndex(
 634     size_t index,
 635     const base::string16& name) {
 636   if (name == GetGAIAGivenNameOfProfileAtIndex(index))
 637     return;
 638
 639   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 640   scoped_ptr<base::DictionaryValue> info(
 641       GetInfoForProfileAtIndex(index)->DeepCopy());
 642   info->SetString(kGAIAGivenNameKey, name);
 643   // This takes ownership of |info|.
 644   SetInfoForProfileAtIndex(index, info.release());
 645   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 646   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 647   UpdateSortForProfileIndex(index);
 648
 649   if (old_display_name != new_display_name) {
 650     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 651                       observer_list_,
 652                       OnProfileNameChanged(profile_path, old_display_name));
 653   }
 654 }
 655
 656 void ProfileInfoCache::SetGAIAPictureOfProfileAtIndex(size_t index,
 657                                                       const gfx::Image* image) {
 658   base::FilePath path = GetPathOfProfileAtIndex(index);
 659   std::string key = CacheKeyFromProfilePath(path);
 660
 661   // Delete the old bitmap from cache.
 662   std::map<std::string, gfx::Image*>::iterator it =
 663       cached_avatar_images_.find(key);
 664   if (it != cached_avatar_images_.end()) {
 665     delete it->second;
 666     cached_avatar_images_.erase(it);
 667   }
 668
 669   std::string old_file_name;
 670   GetInfoForProfileAtIndex(index)->GetString(
 671       kGAIAPictureFileNameKey, &old_file_name);
 672   std::string new_file_name;
 673
 674   if (!image) {
 675     // Delete the old bitmap from disk.
 676     if (!old_file_name.empty()) {
 677       base::FilePath image_path = path.AppendASCII(old_file_name);
 678       BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 679                               base::Bind(&DeleteBitmap, image_path));
 680     }
 681   } else {
 682     // Save the new bitmap to disk.
 683     new_file_name =
 684         old_file_name.empty() ? profiles::kGAIAPictureFileName : old_file_name;
 685     base::FilePath image_path = path.AppendASCII(new_file_name);
 686     SaveAvatarImageAtPath(
 687         image, key, image_path, GetPathOfProfileAtIndex(index));
 688   }
 689
 690   scoped_ptr<base::DictionaryValue> info(
 691       GetInfoForProfileAtIndex(index)->DeepCopy());
 692   info->SetString(kGAIAPictureFileNameKey, new_file_name);
 693   // This takes ownership of |info|.
 694   SetInfoForProfileAtIndex(index, info.release());
 695
 696   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 697                     observer_list_,
 698                     OnProfileAvatarChanged(path));
 699 }
 700
 701 void ProfileInfoCache::SetIsUsingGAIAPictureOfProfileAtIndex(size_t index,
 702                                                              bool value) {
 703   scoped_ptr<base::DictionaryValue> info(
 704       GetInfoForProfileAtIndex(index)->DeepCopy());
 705   info->SetBoolean(kUseGAIAPictureKey, value);
 706   // This takes ownership of |info|.
 707   SetInfoForProfileAtIndex(index, info.release());
 708
 709   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 710   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 711                     observer_list_,
 712                     OnProfileAvatarChanged(profile_path));
 713 }
 714
 715 void ProfileInfoCache::SetProfileSigninRequiredAtIndex(size_t index,
 716                                                        bool value) {
 717   if (value == ProfileIsSigninRequiredAtIndex(index))
 718     return;
 719
 720   scoped_ptr<base::DictionaryValue> info(
 721       GetInfoForProfileAtIndex(index)->DeepCopy());
 722   info->SetBoolean(kSigninRequiredKey, value);
 723   // This takes ownership of |info|.
 724   SetInfoForProfileAtIndex(index, info.release());
 725
 726   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 727   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 728                     observer_list_,
 729                     OnProfileSigninRequiredChanged(profile_path));
 730 }
 731
 732 void ProfileInfoCache::SetProfileIsEphemeralAtIndex(size_t index, bool value) {
 733   if (value == ProfileIsEphemeralAtIndex(index))
 734     return;
 735
 736   scoped_ptr<base::DictionaryValue> info(
 737       GetInfoForProfileAtIndex(index)->DeepCopy());
 738   info->SetBoolean(kProfileIsEphemeral, value);
 739   // This takes ownership of |info|.
 740   SetInfoForProfileAtIndex(index, info.release());
 741 }
 742
 743 void ProfileInfoCache::SetProfileIsUsingDefaultNameAtIndex(
 744     size_t index, bool value) {
 745   if (value == ProfileIsUsingDefaultNameAtIndex(index))
 746     return;
 747
 748   scoped_ptr<base::DictionaryValue> info(
 749       GetInfoForProfileAtIndex(index)->DeepCopy());
 750   info->SetBoolean(kIsUsingDefaultNameKey, value);
 751   // This takes ownership of |info|.
 752   SetInfoForProfileAtIndex(index, info.release());
 753 }
 754
 755 void ProfileInfoCache::SetProfileIsUsingDefaultAvatarAtIndex(
 756     size_t index, bool value) {
 757   if (value == ProfileIsUsingDefaultAvatarAtIndex(index))
 758     return;
 759
 760   scoped_ptr<base::DictionaryValue> info(
 761       GetInfoForProfileAtIndex(index)->DeepCopy());
 762   info->SetBoolean(kIsUsingDefaultAvatarKey, value);
 763   // This takes ownership of |info|.
 764   SetInfoForProfileAtIndex(index, info.release());
 765 }
 766
 767 void ProfileInfoCache::SetProfileIsAuthErrorAtIndex(size_t index, bool value) {
 768   if (value == ProfileIsAuthErrorAtIndex(index))
 769     return;
 770
 771   scoped_ptr<base::DictionaryValue> info(
 772       GetInfoForProfileAtIndex(index)->DeepCopy());
 773   info->SetBoolean(kIsAuthErrorKey, value);
 774   // This takes ownership of |info|.
 775   SetInfoForProfileAtIndex(index, info.release());
 776 }
 777
 778 bool ProfileInfoCache::IsDefaultProfileName(const base::string16& name) const {
 779   // Check if it's a "First user" old-style name.
 780   if (name == l10n_util::GetStringUTF16(IDS_DEFAULT_PROFILE_NAME) ||
 781       name == l10n_util::GetStringUTF16(IDS_LEGACY_DEFAULT_PROFILE_NAME))
 782     return true;
 783
 784   // Check if it's one of the old-style profile names.
 785   for (size_t i = 0; i < arraysize(kDefaultNames); ++i) {
 786     if (name == l10n_util::GetStringUTF16(kDefaultNames[i]))
 787       return true;
 788   }
 789
 790   // Check whether it's one of the "Person %d" style names.
 791   std::string default_name_format = l10n_util::GetStringFUTF8(
 792       IDS_NEW_NUMBERED_PROFILE_NAME, base::ASCIIToUTF16("%d"));
 793
 794   int generic_profile_number;  // Unused. Just a placeholder for sscanf.
 795   int assignments = sscanf(base::UTF16ToUTF8(name).c_str(),
 796                            default_name_format.c_str(),
 797                            &generic_profile_number);
 798   // Unless it matched the format, this is a custom name.
 799   return assignments == 1;
 800 }
 801
 802 base::string16 ProfileInfoCache::ChooseNameForNewProfile(
 803     size_t icon_index) const {
 804   base::string16 name;
 805   for (int name_index = 1; ; ++name_index) {
 806     if (switches::IsNewAvatarMenu()) {
 807       name = l10n_util::GetStringFUTF16Int(IDS_NEW_NUMBERED_PROFILE_NAME,
 808                                            name_index);
 809     } else if (icon_index < profiles::GetGenericAvatarIconCount()) {
 810       name = l10n_util::GetStringFUTF16Int(IDS_NUMBERED_PROFILE_NAME,
 811                                            name_index);
 812     } else {
 813       name = l10n_util::GetStringUTF16(
 814           kDefaultNames[icon_index - profiles::GetGenericAvatarIconCount()]);
 815       if (name_index > 1)
 816         name.append(base::UTF8ToUTF16(base::IntToString(name_index)));
 817     }
 818
 819     // Loop through previously named profiles to ensure we're not duplicating.
 820     bool name_found = false;
 821     for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 822       if (GetNameOfProfileAtIndex(i) == name) {
 823         name_found = true;
 824         break;
 825       }
 826     }
 827     if (!name_found)
 828       return name;
 829   }
 830 }
 831
 832 size_t ProfileInfoCache::ChooseAvatarIconIndexForNewProfile() const {
 833   size_t icon_index = 0;
 834   // Try to find a unique, non-generic icon.
 835   if (ChooseAvatarIconIndexForNewProfile(false, true, &icon_index))
 836     return icon_index;
 837   // Try to find any unique icon.
 838   if (ChooseAvatarIconIndexForNewProfile(true, true, &icon_index))
 839     return icon_index;
 840   // Settle for any random icon, even if it's not unique.
 841   if (ChooseAvatarIconIndexForNewProfile(true, false, &icon_index))
 842     return icon_index;
 843
 844   NOTREACHED();
 845   return 0;
 846 }
 847
 848 const base::FilePath& ProfileInfoCache::GetUserDataDir() const {
 849   return user_data_dir_;
 850 }
 851
 852 // static
 853 void ProfileInfoCache::RegisterPrefs(PrefRegistrySimple* registry) {
 854   registry->RegisterDictionaryPref(prefs::kProfileInfoCache);
 855 }
 856
 857 void ProfileInfoCache::DownloadHighResAvatarIfNeeded(
 858     size_t icon_index,
 859     const base::FilePath& profile_path) {
 860   // Downloading is only supported on desktop.
 861 #if defined(OS_ANDROID) || defined(OS_IOS) || defined(OS_CHROMEOS)
 862   return;
 863 #endif
 864
 865   const base::FilePath& file_path =
 866       profiles::GetPathOfHighResAvatarAtIndex(icon_index);
 867   base::Closure callback =
 868       base::Bind(&ProfileInfoCache::DownloadHighResAvatar,
 869                  AsWeakPtr(),
 870                  icon_index,
 871                  profile_path);
 872   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 873       base::Bind(&RunCallbackIfFileMissing, file_path, callback));
 874 }
 875
 876 void ProfileInfoCache::SaveAvatarImageAtPath(
 877     const gfx::Image* image,
 878     const std::string& key,
 879     const base::FilePath& image_path,
 880     const base::FilePath& profile_path) {
 881   cached_avatar_images_[key] = new gfx::Image(*image);
 882
 883   scoped_ptr<ImageData> data(new ImageData);
 884   scoped_refptr<base::RefCountedMemory> png_data = image->As1xPNGBytes();
 885   data->assign(png_data->front(), png_data->front() + png_data->size());
 886
 887   // Remove the file from the list of downloads in progress. Note that this list
 888   // only contains the high resolution avatars, and not the Gaia profile images.
 889   auto downloader_iter = avatar_images_downloads_in_progress_.find(key);
 890   if (downloader_iter != avatar_images_downloads_in_progress_.end()) {
 891     // We mustn't delete the avatar downloader right here, since we're being
 892     // called by it.
 893     BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE,
 894                               downloader_iter->second);
 895     avatar_images_downloads_in_progress_.erase(downloader_iter);
 896   }
 897
 898   if (!data->size()) {
 899     LOG(ERROR) << "Failed to PNG encode the image.";
 900   } else {
 901     base::Closure callback = base::Bind(&ProfileInfoCache::OnAvatarPictureSaved,
 902         AsWeakPtr(), key, profile_path);
 903     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 904         base::Bind(&SaveBitmap, base::Passed(&data), image_path, callback));
 905   }
 906 }
 907
 908 const base::DictionaryValue* ProfileInfoCache::GetInfoForProfileAtIndex(
 909     size_t index) const {
 910   DCHECK_LT(index, GetNumberOfProfiles());
 911   const base::DictionaryValue* cache =
 912       prefs_->GetDictionary(prefs::kProfileInfoCache);
 913   const base::DictionaryValue* info = NULL;
 914   cache->GetDictionaryWithoutPathExpansion(sorted_keys_[index], &info);
 915   return info;
 916 }
 917
 918 void ProfileInfoCache::SetInfoQuietlyForProfileAtIndex(
 919     size_t index, base::DictionaryValue* info) {
 920   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 921   base::DictionaryValue* cache = update.Get();
 922   cache->SetWithoutPathExpansion(sorted_keys_[index], info);
 923 }
 924
 925 // TODO(noms): Switch to newer notification system.
 926 void ProfileInfoCache::SetInfoForProfileAtIndex(size_t index,
 927                                                 base::DictionaryValue* info) {
 928   SetInfoQuietlyForProfileAtIndex(index, info);
 929
 930   content::NotificationService::current()->Notify(
 931       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 932       content::NotificationService::AllSources(),
 933       content::NotificationService::NoDetails());
 934 }
 935
 936 std::string ProfileInfoCache::CacheKeyFromProfilePath(
 937     const base::FilePath& profile_path) const {
 938   DCHECK(user_data_dir_ == profile_path.DirName());
 939   base::FilePath base_name = profile_path.BaseName();
 940   return base_name.MaybeAsASCII();
 941 }
 942
 943 std::vector<std::string>::iterator ProfileInfoCache::FindPositionForProfile(
 944     const std::string& search_key,
 945     const base::string16& search_name) {
 946   base::string16 search_name_l = base::i18n::ToLower(search_name);
 947   for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 948     base::string16 name_l = base::i18n::ToLower(GetNameOfProfileAtIndex(i));
 949     int name_compare = search_name_l.compare(name_l);
 950     if (name_compare < 0)
 951       return sorted_keys_.begin() + i;
 952     if (name_compare == 0) {
 953       int key_compare = search_key.compare(sorted_keys_[i]);
 954       if (key_compare < 0)
 955         return sorted_keys_.begin() + i;
 956     }
 957   }
 958   return sorted_keys_.end();
 959 }
 960
 961 bool ProfileInfoCache::IconIndexIsUnique(size_t icon_index) const {
 962   for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 963     if (GetAvatarIconIndexOfProfileAtIndex(i) == icon_index)
 964       return false;
 965   }
 966   return true;
 967 }
 968
 969 bool ProfileInfoCache::ChooseAvatarIconIndexForNewProfile(
 970     bool allow_generic_icon,
 971     bool must_be_unique,
 972     size_t* out_icon_index) const {
 973   // Always allow all icons for new profiles if using the
 974   // --new-avatar-menu flag.
 975   if (switches::IsNewAvatarMenu())
 976     allow_generic_icon = true;
 977   size_t start = allow_generic_icon ? 0 : profiles::GetGenericAvatarIconCount();
 978   size_t end = profiles::GetDefaultAvatarIconCount();
 979   size_t count = end - start;
 980
 981   int rand = base::RandInt(0, count);
 982   for (size_t i = 0; i < count; ++i) {
 983     size_t icon_index = start + (rand + i) %  count;
 984     if (!must_be_unique || IconIndexIsUnique(icon_index)) {
 985       *out_icon_index = icon_index;
 986       return true;
 987     }
 988   }
 989
 990   return false;
 991 }
 992
 993 void ProfileInfoCache::UpdateSortForProfileIndex(size_t index) {
 994   base::string16 name = GetNameOfProfileAtIndex(index);
 995
 996   // Remove and reinsert key in |sorted_keys_| to alphasort.
 997   std::string key = CacheKeyFromProfilePath(GetPathOfProfileAtIndex(index));
 998   std::vector<std::string>::iterator key_it =
 999       std::find(sorted_keys_.begin(), sorted_keys_.end(), key);
1000   DCHECK(key_it != sorted_keys_.end());
1001   sorted_keys_.erase(key_it);
1002   sorted_keys_.insert(FindPositionForProfile(key, name), key);
1003
1004   content::NotificationService::current()->Notify(
1005       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
1006       content::NotificationService::AllSources(),
1007       content::NotificationService::NoDetails());
1008 }
1009
1010 const gfx::Image* ProfileInfoCache::GetHighResAvatarOfProfileAtIndex(
1011     size_t index) const {
1012   int avatar_index = GetAvatarIconIndexOfProfileAtIndex(index);
1013   std::string key = profiles::GetDefaultAvatarIconFileNameAtIndex(avatar_index);
1014
1015   // If this is the placeholder avatar, it is already included in the
1016   // resources, so it doesn't need to be downloaded.
1017   if (!strcmp(key.c_str(), profiles::GetNoHighResAvatarFileName())) {
1018     return &ui::ResourceBundle::GetSharedInstance().GetImageNamed(
1019         profiles::GetPlaceholderAvatarIconResourceID());
1020   }
1021
1022   base::FilePath image_path =
1023       profiles::GetPathOfHighResAvatarAtIndex(avatar_index);
1024   return LoadAvatarPictureFromPath(GetPathOfProfileAtIndex(index),
1025                                    key, image_path);
1026 }
1027
1028 void ProfileInfoCache::DownloadHighResAvatar(
1029     size_t icon_index,
1030     const base::FilePath& profile_path) {
1031   // Downloading is only supported on desktop.
1032 #if defined(OS_ANDROID) || defined(OS_IOS) || defined(OS_CHROMEOS)
1033   return;
1034 #endif
1035   const std::string file_name =
1036       profiles::GetDefaultAvatarIconFileNameAtIndex(icon_index);
1037   // If the file is already being downloaded, don't start another download.
1038   if (avatar_images_downloads_in_progress_.count(file_name))
1039     return;
1040
1041   // Start the download for this file. The cache takes ownership of the
1042   // |avatar_downloader|, which will be deleted when the download completes, or
1043   // if that never happens, when the ProfileInfoCache is destroyed.
1044   ProfileAvatarDownloader* avatar_downloader = new ProfileAvatarDownloader(
1045       icon_index,
1046       profile_path,
1047       this);
1048   avatar_images_downloads_in_progress_[file_name] = avatar_downloader;
1049   avatar_downloader->Start();
1050 }
1051
1052 const gfx::Image* ProfileInfoCache::LoadAvatarPictureFromPath(
1053     const base::FilePath& profile_path,
1054     const std::string& key,
1055     const base::FilePath& image_path) const {
1056   // If the picture is already loaded then use it.
1057   if (cached_avatar_images_.count(key)) {
1058     if (cached_avatar_images_[key]->IsEmpty())
1059       return NULL;
1060     return cached_avatar_images_[key];
1061   }
1062
1063   // If the picture is already being loaded then don't try loading it again.
1064   if (cached_avatar_images_loading_[key])
1065     return NULL;
1066   cached_avatar_images_loading_[key] = true;
1067
1068   gfx::Image** image = new gfx::Image*;
1069   BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE,
1070       base::Bind(&ReadBitmap, image_path, image),
1071       base::Bind(&ProfileInfoCache::OnAvatarPictureLoaded,
1072           const_cast<ProfileInfoCache*>(this)->AsWeakPtr(),
1073           profile_path, key, image));
1074   return NULL;
1075 }
1076
1077 void ProfileInfoCache::OnAvatarPictureLoaded(const base::FilePath& profile_path,
1078                                              const std::string& key,
1079                                              gfx::Image** image) const {
1080   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1081
1082   cached_avatar_images_loading_[key] = false;
1083   delete cached_avatar_images_[key];
1084
1085   if (*image) {
1086     cached_avatar_images_[key] = *image;
1087   } else {
1088     // Place an empty image in the cache to avoid reloading it again.
1089     cached_avatar_images_[key] = new gfx::Image();
1090   }
1091   delete image;
1092
1093   content::NotificationService::current()->Notify(
1094       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
1095       content::NotificationService::AllSources(),
1096       content::NotificationService::NoDetails());
1097
1098   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
1099                     observer_list_,
1100                     OnProfileHighResAvatarLoaded(profile_path));
1101 }
1102
1103 void ProfileInfoCache::OnAvatarPictureSaved(
1104       const std::string& file_name,
1105       const base::FilePath& profile_path) {
1106   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1107
1108   content::NotificationService::current()->Notify(
1109       chrome::NOTIFICATION_PROFILE_CACHE_PICTURE_SAVED,
1110       content::NotificationService::AllSources(),
1111       content::NotificationService::NoDetails());
1112
1113   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
1114       observer_list_,
1115       OnProfileHighResAvatarLoaded(profile_path));
1116 }
1117
1118 void ProfileInfoCache::MigrateLegacyProfileNamesAndDownloadAvatars() {
1119   DCHECK(switches::IsNewAvatarMenu());
1120
1121   // Only do this on desktop platforms.
1122 #if !defined(OS_ANDROID) && !defined(OS_IOS) && !defined(OS_CHROMEOS)
1123   // Migrate any legacy profile names ("First user", "Default Profile") to
1124   // new style default names ("Person 1"). The problem here is that every
1125   // time you rename a profile, the ProfileInfoCache sorts itself, so
1126   // whatever you were iterating through is no longer valid. We need to
1127   // save a list of the profile paths (which thankfully do not change) that
1128   // need to be renamed. We also can't pre-compute the new names, as they
1129   // depend on the names of all the other profiles in the info cache, so they
1130   // need to be re-computed after each rename.
1131   std::vector<base::FilePath> profiles_to_rename;
1132
1133   const base::string16 default_profile_name = base::i18n::ToLower(
1134       l10n_util::GetStringUTF16(IDS_DEFAULT_PROFILE_NAME));
1135   const base::string16 default_legacy_profile_name = base::i18n::ToLower(
1136       l10n_util::GetStringUTF16(IDS_LEGACY_DEFAULT_PROFILE_NAME));
1137
1138   for (size_t i = 0; i < GetNumberOfProfiles(); i++) {
1139     DownloadHighResAvatarIfNeeded(GetAvatarIconIndexOfProfileAtIndex(i),
1140                                   GetPathOfProfileAtIndex(i));
1141
1142     base::string16 name = base::i18n::ToLower(GetNameOfProfileAtIndex(i));
1143     if (name == default_profile_name || name == default_legacy_profile_name)
1144       profiles_to_rename.push_back(GetPathOfProfileAtIndex(i));
1145   }
1146
1147   // Rename the necessary profiles.
1148   std::vector<base::FilePath>::const_iterator it;
1149   for (it = profiles_to_rename.begin(); it != profiles_to_rename.end(); ++it) {
1150     size_t profile_index = GetIndexOfProfileWithPath(*it);
1151     SetProfileIsUsingDefaultNameAtIndex(profile_index, true);
1152     // This will assign a new "Person %d" type name and re-sort the cache.
1153     SetNameOfProfileAtIndex(profile_index, ChooseNameForNewProfile(
1154         GetAvatarIconIndexOfProfileAtIndex(profile_index)));
1155   }
1156 #endif
1157 }