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/file_util.h"
   9 #include "base/format_macros.h"
  10 #include "base/i18n/case_conversion.h"
  11 #include "base/logging.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/prefs/pref_registry_simple.h"
  14 #include "base/prefs/pref_service.h"
  15 #include "base/prefs/scoped_user_pref_update.h"
  16 #include "base/rand_util.h"
  17 #include "base/stl_util.h"
  18 #include "base/strings/string_number_conversions.h"
  19 #include "base/strings/string_piece.h"
  20 #include "base/strings/stringprintf.h"
  21 #include "base/strings/utf_string_conversions.h"
  22 #include "base/values.h"
  23 #include "chrome/browser/browser_process.h"
  24 #include "chrome/browser/chrome_notification_types.h"
  25 #include "chrome/common/pref_names.h"
  26 #include "content/public/browser/browser_thread.h"
  27 #include "content/public/browser/notification_service.h"
  28 #include "grit/generated_resources.h"
  29 #include "grit/theme_resources.h"
  30 #include "third_party/skia/include/core/SkBitmap.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 using content::BrowserThread;
  37
  38 namespace {
  39
  40 const char kNameKey[] = "name";
  41 const char kShortcutNameKey[] = "shortcut_name";
  42 const char kGAIANameKey[] = "gaia_name";
  43 const char kGAIAGivenNameKey[] = "gaia_given_name";
  44 const char kUseGAIANameKey[] = "use_gaia_name";
  45 const char kUserNameKey[] = "user_name";
  46 const char kAvatarIconKey[] = "avatar_icon";
  47 const char kAuthCredentialsKey[] = "local_auth_credentials";
  48 const char kUseGAIAPictureKey[] = "use_gaia_picture";
  49 const char kBackgroundAppsKey[] = "background_apps";
  50 const char kHasMigratedToGAIAInfoKey[] = "has_migrated_to_gaia_info";
  51 const char kGAIAPictureFileNameKey[] = "gaia_picture_file_name";
  52 const char kIsManagedKey[] = "is_managed";
  53 const char kSigninRequiredKey[] = "signin_required";
  54 const char kManagedUserId[] = "managed_user_id";
  55 const char kProfileIsEphemeral[] = "is_ephemeral";
  56 const char kActiveTimeKey[] = "active_time";
  57
  58 const char kDefaultUrlPrefix[] = "chrome://theme/IDR_PROFILE_AVATAR_";
  59 const char kGAIAPictureFileName[] = "Google Profile Picture.png";
  60
  61 const int kDefaultAvatarIconResources[] = {
  62   IDR_PROFILE_AVATAR_0,
  63   IDR_PROFILE_AVATAR_1,
  64   IDR_PROFILE_AVATAR_2,
  65   IDR_PROFILE_AVATAR_3,
  66   IDR_PROFILE_AVATAR_4,
  67   IDR_PROFILE_AVATAR_5,
  68   IDR_PROFILE_AVATAR_6,
  69   IDR_PROFILE_AVATAR_7,
  70   IDR_PROFILE_AVATAR_8,
  71   IDR_PROFILE_AVATAR_9,
  72   IDR_PROFILE_AVATAR_10,
  73   IDR_PROFILE_AVATAR_11,
  74   IDR_PROFILE_AVATAR_12,
  75   IDR_PROFILE_AVATAR_13,
  76   IDR_PROFILE_AVATAR_14,
  77   IDR_PROFILE_AVATAR_15,
  78   IDR_PROFILE_AVATAR_16,
  79   IDR_PROFILE_AVATAR_17,
  80   IDR_PROFILE_AVATAR_18,
  81   IDR_PROFILE_AVATAR_19,
  82   IDR_PROFILE_AVATAR_20,
  83   IDR_PROFILE_AVATAR_21,
  84   IDR_PROFILE_AVATAR_22,
  85   IDR_PROFILE_AVATAR_23,
  86   IDR_PROFILE_AVATAR_24,
  87   IDR_PROFILE_AVATAR_25,
  88 };
  89
  90 const size_t kDefaultAvatarIconsCount = arraysize(kDefaultAvatarIconResources);
  91
  92 // The first 8 icons are generic.
  93 const size_t kGenericIconCount = 8;
  94
  95 // First eight are generic icons, which use IDS_NUMBERED_PROFILE_NAME.
  96 const int kDefaultNames[] = {
  97   IDS_DEFAULT_AVATAR_NAME_8,
  98   IDS_DEFAULT_AVATAR_NAME_9,
  99   IDS_DEFAULT_AVATAR_NAME_10,
 100   IDS_DEFAULT_AVATAR_NAME_11,
 101   IDS_DEFAULT_AVATAR_NAME_12,
 102   IDS_DEFAULT_AVATAR_NAME_13,
 103   IDS_DEFAULT_AVATAR_NAME_14,
 104   IDS_DEFAULT_AVATAR_NAME_15,
 105   IDS_DEFAULT_AVATAR_NAME_16,
 106   IDS_DEFAULT_AVATAR_NAME_17,
 107   IDS_DEFAULT_AVATAR_NAME_18,
 108   IDS_DEFAULT_AVATAR_NAME_19,
 109   IDS_DEFAULT_AVATAR_NAME_20,
 110   IDS_DEFAULT_AVATAR_NAME_21,
 111   IDS_DEFAULT_AVATAR_NAME_22,
 112   IDS_DEFAULT_AVATAR_NAME_23,
 113   IDS_DEFAULT_AVATAR_NAME_24,
 114   IDS_DEFAULT_AVATAR_NAME_25
 115 };
 116
 117 typedef std::vector<unsigned char> ImageData;
 118
 119 // Writes |data| to disk and takes ownership of the pointer. On completion
 120 // |success| is set to true on success and false on failure.
 121 void SaveBitmap(ImageData* data,
 122                 const base::FilePath& image_path,
 123                 bool* success) {
 124   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 125   scoped_ptr<ImageData> data_owner(data);
 126   *success = false;
 127
 128   // Make sure the destination directory exists.
 129   base::FilePath dir = image_path.DirName();
 130   if (!base::DirectoryExists(dir) && !base::CreateDirectory(dir)) {
 131     LOG(ERROR) << "Failed to create parent directory.";
 132     return;
 133   }
 134
 135   if (file_util::WriteFile(image_path,
 136                            reinterpret_cast<char*>(&(*data)[0]),
 137                            data->size()) == -1) {
 138     LOG(ERROR) << "Failed to save image to file.";
 139     return;
 140   }
 141
 142   *success = true;
 143 }
 144
 145 // Reads a PNG from disk and decodes it. If the bitmap was successfully read
 146 // from disk the then |out_image| will contain the bitmap image, otherwise it
 147 // will be NULL.
 148 void ReadBitmap(const base::FilePath& image_path,
 149                 gfx::Image** out_image) {
 150   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 151   *out_image = NULL;
 152
 153   std::string image_data;
 154   if (!base::ReadFileToString(image_path, &image_data)) {
 155     LOG(ERROR) << "Failed to read PNG file from disk.";
 156     return;
 157   }
 158
 159   gfx::Image image = gfx::Image::CreateFrom1xPNGBytes(
 160       base::RefCountedString::TakeString(&image_data));
 161   if (image.IsEmpty()) {
 162     LOG(ERROR) << "Failed to decode PNG file.";
 163     return;
 164   }
 165
 166   *out_image = new gfx::Image(image);
 167 }
 168
 169 void DeleteBitmap(const base::FilePath& image_path) {
 170   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 171   base::DeleteFile(image_path, false);
 172 }
 173
 174 }  // namespace
 175
 176 ProfileInfoCache::ProfileInfoCache(PrefService* prefs,
 177                                    const base::FilePath& user_data_dir)
 178     : prefs_(prefs),
 179       user_data_dir_(user_data_dir) {
 180   // Populate the cache
 181   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 182   base::DictionaryValue* cache = update.Get();
 183   for (base::DictionaryValue::Iterator it(*cache);
 184        !it.IsAtEnd(); it.Advance()) {
 185     base::DictionaryValue* info = NULL;
 186     cache->GetDictionaryWithoutPathExpansion(it.key(), &info);
 187     base::string16 name;
 188     info->GetString(kNameKey, &name);
 189     sorted_keys_.insert(FindPositionForProfile(it.key(), name), it.key());
 190     // TODO(ibraaaa): delete this when 97% of our users are using M31.
 191     // http://crbug.com/276163
 192     bool is_managed = false;
 193     if (info->GetBoolean(kIsManagedKey, &is_managed)) {
 194       info->Remove(kIsManagedKey, NULL);
 195       info->SetString(kManagedUserId, is_managed ? "DUMMY_ID" : std::string());
 196     }
 197   }
 198 }
 199
 200 ProfileInfoCache::~ProfileInfoCache() {
 201   STLDeleteContainerPairSecondPointers(
 202       gaia_pictures_.begin(), gaia_pictures_.end());
 203 }
 204
 205 void ProfileInfoCache::AddProfileToCache(const base::FilePath& profile_path,
 206                                          const base::string16& name,
 207                                          const base::string16& username,
 208                                          size_t icon_index,
 209                                          const std::string& managed_user_id) {
 210   std::string key = CacheKeyFromProfilePath(profile_path);
 211   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 212   base::DictionaryValue* cache = update.Get();
 213
 214   scoped_ptr<base::DictionaryValue> info(new base::DictionaryValue);
 215   info->SetString(kNameKey, name);
 216   info->SetString(kUserNameKey, username);
 217   info->SetString(kAvatarIconKey, GetDefaultAvatarIconUrl(icon_index));
 218   // Default value for whether background apps are running is false.
 219   info->SetBoolean(kBackgroundAppsKey, false);
 220   info->SetString(kManagedUserId, managed_user_id);
 221   info->SetBoolean(kProfileIsEphemeral, false);
 222   cache->SetWithoutPathExpansion(key, info.release());
 223
 224   sorted_keys_.insert(FindPositionForProfile(key, name), key);
 225
 226   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 227                     observer_list_,
 228                     OnProfileAdded(profile_path));
 229
 230   content::NotificationService::current()->Notify(
 231       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 232       content::NotificationService::AllSources(),
 233       content::NotificationService::NoDetails());
 234 }
 235
 236 void ProfileInfoCache::AddObserver(ProfileInfoCacheObserver* obs) {
 237   observer_list_.AddObserver(obs);
 238 }
 239
 240 void ProfileInfoCache::RemoveObserver(ProfileInfoCacheObserver* obs) {
 241   observer_list_.RemoveObserver(obs);
 242 }
 243
 244 void ProfileInfoCache::DeleteProfileFromCache(
 245     const base::FilePath& profile_path) {
 246   size_t profile_index = GetIndexOfProfileWithPath(profile_path);
 247   if (profile_index == std::string::npos) {
 248     NOTREACHED();
 249     return;
 250   }
 251   base::string16 name = GetNameOfProfileAtIndex(profile_index);
 252
 253   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 254                     observer_list_,
 255                     OnProfileWillBeRemoved(profile_path));
 256
 257   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 258   base::DictionaryValue* cache = update.Get();
 259   std::string key = CacheKeyFromProfilePath(profile_path);
 260   cache->Remove(key, NULL);
 261   sorted_keys_.erase(std::find(sorted_keys_.begin(), sorted_keys_.end(), key));
 262
 263   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 264                     observer_list_,
 265                     OnProfileWasRemoved(profile_path, name));
 266
 267   content::NotificationService::current()->Notify(
 268       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 269       content::NotificationService::AllSources(),
 270       content::NotificationService::NoDetails());
 271 }
 272
 273 size_t ProfileInfoCache::GetNumberOfProfiles() const {
 274   return sorted_keys_.size();
 275 }
 276
 277 size_t ProfileInfoCache::GetIndexOfProfileWithPath(
 278     const base::FilePath& profile_path) const {
 279   if (profile_path.DirName() != user_data_dir_)
 280     return std::string::npos;
 281   std::string search_key = CacheKeyFromProfilePath(profile_path);
 282   for (size_t i = 0; i < sorted_keys_.size(); ++i) {
 283     if (sorted_keys_[i] == search_key)
 284       return i;
 285   }
 286   return std::string::npos;
 287 }
 288
 289 base::string16 ProfileInfoCache::GetNameOfProfileAtIndex(size_t index) const {
 290   base::string16 name;
 291   if (IsUsingGAIANameOfProfileAtIndex(index)) {
 292     base::string16 given_name = GetGAIAGivenNameOfProfileAtIndex(index);
 293     name = given_name.empty() ? GetGAIANameOfProfileAtIndex(index) : given_name;
 294   }
 295
 296   if (name.empty())
 297     GetInfoForProfileAtIndex(index)->GetString(kNameKey, &name);
 298   return name;
 299 }
 300
 301 base::string16 ProfileInfoCache::GetShortcutNameOfProfileAtIndex(size_t index)
 302     const {
 303   base::string16 shortcut_name;
 304   GetInfoForProfileAtIndex(index)->GetString(
 305       kShortcutNameKey, &shortcut_name);
 306   return shortcut_name;
 307 }
 308
 309 base::FilePath ProfileInfoCache::GetPathOfProfileAtIndex(size_t index) const {
 310   return user_data_dir_.AppendASCII(sorted_keys_[index]);
 311 }
 312
 313 base::Time ProfileInfoCache::GetProfileActiveTimeAtIndex(size_t index) const {
 314   double dt;
 315   if (GetInfoForProfileAtIndex(index)->GetDouble(kActiveTimeKey, &dt)) {
 316     return base::Time::FromDoubleT(dt);
 317   } else {
 318     return base::Time();
 319   }
 320 }
 321
 322 base::string16 ProfileInfoCache::GetUserNameOfProfileAtIndex(
 323     size_t index) const {
 324   base::string16 user_name;
 325   GetInfoForProfileAtIndex(index)->GetString(kUserNameKey, &user_name);
 326   return user_name;
 327 }
 328
 329 const gfx::Image& ProfileInfoCache::GetAvatarIconOfProfileAtIndex(
 330     size_t index) const {
 331   if (IsUsingGAIAPictureOfProfileAtIndex(index)) {
 332     const gfx::Image* image = GetGAIAPictureOfProfileAtIndex(index);
 333     if (image)
 334       return *image;
 335   }
 336
 337   int resource_id = GetDefaultAvatarIconResourceIDAtIndex(
 338       GetAvatarIconIndexOfProfileAtIndex(index));
 339   return ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
 340 }
 341
 342 std::string ProfileInfoCache::GetLocalAuthCredentialsOfProfileAtIndex(
 343     size_t index) const {
 344   std::string credentials;
 345   GetInfoForProfileAtIndex(index)->GetString(kAuthCredentialsKey, &credentials);
 346   return credentials;
 347 }
 348
 349 bool ProfileInfoCache::GetBackgroundStatusOfProfileAtIndex(
 350     size_t index) const {
 351   bool background_app_status;
 352   if (!GetInfoForProfileAtIndex(index)->GetBoolean(kBackgroundAppsKey,
 353                                                    &background_app_status)) {
 354     return false;
 355   }
 356   return background_app_status;
 357 }
 358
 359 base::string16 ProfileInfoCache::GetGAIANameOfProfileAtIndex(
 360     size_t index) const {
 361   base::string16 name;
 362   GetInfoForProfileAtIndex(index)->GetString(kGAIANameKey, &name);
 363   return name;
 364 }
 365
 366 base::string16 ProfileInfoCache::GetGAIAGivenNameOfProfileAtIndex(
 367     size_t index) const {
 368   base::string16 name;
 369   GetInfoForProfileAtIndex(index)->GetString(kGAIAGivenNameKey, &name);
 370   return name;
 371 }
 372
 373 bool ProfileInfoCache::IsUsingGAIANameOfProfileAtIndex(size_t index) const {
 374   bool value = false;
 375   GetInfoForProfileAtIndex(index)->GetBoolean(kUseGAIANameKey, &value);
 376   return value;
 377 }
 378
 379 const gfx::Image* ProfileInfoCache::GetGAIAPictureOfProfileAtIndex(
 380     size_t index) const {
 381   base::FilePath path = GetPathOfProfileAtIndex(index);
 382   std::string key = CacheKeyFromProfilePath(path);
 383
 384   // If the picture is already loaded then use it.
 385   if (gaia_pictures_.count(key)) {
 386     if (gaia_pictures_[key]->IsEmpty())
 387       return NULL;
 388     return gaia_pictures_[key];
 389   }
 390
 391   std::string file_name;
 392   GetInfoForProfileAtIndex(index)->GetString(
 393       kGAIAPictureFileNameKey, &file_name);
 394
 395   // If the picture is not on disk or it is already being loaded then return
 396   // NULL.
 397   if (file_name.empty() || gaia_pictures_loading_[key])
 398     return NULL;
 399
 400   gaia_pictures_loading_[key] = true;
 401   base::FilePath image_path = path.AppendASCII(file_name);
 402   gfx::Image** image = new gfx::Image*;
 403   BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE,
 404       base::Bind(&ReadBitmap, image_path, image),
 405       base::Bind(&ProfileInfoCache::OnGAIAPictureLoaded,
 406           const_cast<ProfileInfoCache*>(this)->AsWeakPtr(), path, image));
 407
 408   return NULL;
 409 }
 410
 411 bool ProfileInfoCache::ProfileIsManagedAtIndex(size_t index) const {
 412   return !GetManagedUserIdOfProfileAtIndex(index).empty();
 413 }
 414
 415 bool ProfileInfoCache::ProfileIsSigninRequiredAtIndex(size_t index) const {
 416   bool value = false;
 417   GetInfoForProfileAtIndex(index)->GetBoolean(kSigninRequiredKey, &value);
 418   return value;
 419 }
 420
 421 std::string ProfileInfoCache::GetManagedUserIdOfProfileAtIndex(
 422     size_t index) const {
 423   std::string managed_user_id;
 424   GetInfoForProfileAtIndex(index)->GetString(kManagedUserId, &managed_user_id);
 425   return managed_user_id;
 426 }
 427
 428 bool ProfileInfoCache::ProfileIsEphemeralAtIndex(size_t index) const {
 429   bool value = false;
 430   GetInfoForProfileAtIndex(index)->GetBoolean(kProfileIsEphemeral, &value);
 431   return value;
 432 }
 433
 434 void ProfileInfoCache::OnGAIAPictureLoaded(const base::FilePath& path,
 435                                            gfx::Image** image) const {
 436   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 437
 438   std::string key = CacheKeyFromProfilePath(path);
 439   gaia_pictures_loading_[key] = false;
 440
 441   if (*image) {
 442     delete gaia_pictures_[key];
 443     gaia_pictures_[key] = *image;
 444   } else {
 445     // Place an empty image in the cache to avoid reloading it again.
 446     gaia_pictures_[key] = new gfx::Image();
 447   }
 448   delete image;
 449
 450   content::NotificationService::current()->Notify(
 451       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 452       content::NotificationService::AllSources(),
 453       content::NotificationService::NoDetails());
 454 }
 455
 456 void ProfileInfoCache::OnGAIAPictureSaved(const base::FilePath& path,
 457                                           bool* success) const  {
 458   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 459
 460   if (*success) {
 461     content::NotificationService::current()->Notify(
 462         chrome::NOTIFICATION_PROFILE_CACHE_PICTURE_SAVED,
 463         content::NotificationService::AllSources(),
 464         content::NotificationService::NoDetails());
 465   }
 466   delete success;
 467 }
 468
 469 bool ProfileInfoCache::IsUsingGAIAPictureOfProfileAtIndex(
 470     size_t index) const {
 471   bool value = false;
 472   GetInfoForProfileAtIndex(index)->GetBoolean(kUseGAIAPictureKey, &value);
 473   return value;
 474 }
 475
 476 size_t ProfileInfoCache::GetAvatarIconIndexOfProfileAtIndex(size_t index)
 477     const {
 478   std::string icon_url;
 479   GetInfoForProfileAtIndex(index)->GetString(kAvatarIconKey, &icon_url);
 480   size_t icon_index = 0;
 481   if (!IsDefaultAvatarIconUrl(icon_url, &icon_index))
 482     DLOG(WARNING) << "Unknown avatar icon: " << icon_url;
 483
 484   return icon_index;
 485 }
 486
 487 void ProfileInfoCache::SetProfileActiveTimeAtIndex(size_t index) {
 488   scoped_ptr<base::DictionaryValue> info(
 489       GetInfoForProfileAtIndex(index)->DeepCopy());
 490   info->SetDouble(kActiveTimeKey, base::Time::Now().ToDoubleT());
 491   // This takes ownership of |info|.
 492   SetInfoQuietlyForProfileAtIndex(index, info.release());
 493 }
 494
 495 void ProfileInfoCache::SetNameOfProfileAtIndex(size_t index,
 496                                                const base::string16& name) {
 497   scoped_ptr<base::DictionaryValue> info(
 498       GetInfoForProfileAtIndex(index)->DeepCopy());
 499   base::string16 current_name;
 500   info->GetString(kNameKey, &current_name);
 501   if (name == current_name)
 502     return;
 503
 504   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 505   info->SetString(kNameKey, name);
 506   // This takes ownership of |info|.
 507   SetInfoForProfileAtIndex(index, info.release());
 508   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 509   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 510   UpdateSortForProfileIndex(index);
 511
 512   if (old_display_name != new_display_name) {
 513     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 514                       observer_list_,
 515                       OnProfileNameChanged(profile_path, old_display_name));
 516   }
 517 }
 518
 519 void ProfileInfoCache::SetShortcutNameOfProfileAtIndex(
 520     size_t index,
 521     const base::string16& shortcut_name) {
 522   if (shortcut_name == GetShortcutNameOfProfileAtIndex(index))
 523     return;
 524   scoped_ptr<base::DictionaryValue> info(
 525       GetInfoForProfileAtIndex(index)->DeepCopy());
 526   info->SetString(kShortcutNameKey, shortcut_name);
 527   // This takes ownership of |info|.
 528   SetInfoForProfileAtIndex(index, info.release());
 529 }
 530
 531 void ProfileInfoCache::SetUserNameOfProfileAtIndex(
 532     size_t index,
 533     const base::string16& user_name) {
 534   if (user_name == GetUserNameOfProfileAtIndex(index))
 535     return;
 536
 537   scoped_ptr<base::DictionaryValue> info(
 538       GetInfoForProfileAtIndex(index)->DeepCopy());
 539   info->SetString(kUserNameKey, user_name);
 540   // This takes ownership of |info|.
 541   SetInfoForProfileAtIndex(index, info.release());
 542 }
 543
 544 void ProfileInfoCache::SetAvatarIconOfProfileAtIndex(size_t index,
 545                                                      size_t icon_index) {
 546   scoped_ptr<base::DictionaryValue> info(
 547       GetInfoForProfileAtIndex(index)->DeepCopy());
 548   info->SetString(kAvatarIconKey, GetDefaultAvatarIconUrl(icon_index));
 549   // This takes ownership of |info|.
 550   SetInfoForProfileAtIndex(index, info.release());
 551
 552   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 553   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 554                     observer_list_,
 555                     OnProfileAvatarChanged(profile_path));
 556 }
 557
 558 void ProfileInfoCache::SetManagedUserIdOfProfileAtIndex(size_t index,
 559                                                         const std::string& id) {
 560   scoped_ptr<base::DictionaryValue> info(
 561       GetInfoForProfileAtIndex(index)->DeepCopy());
 562   info->SetString(kManagedUserId, id);
 563   // This takes ownership of |info|.
 564   SetInfoForProfileAtIndex(index, info.release());
 565 }
 566
 567 void ProfileInfoCache::SetLocalAuthCredentialsOfProfileAtIndex(
 568     size_t index,
 569     const std::string& credentials) {
 570   scoped_ptr<base::DictionaryValue> info(
 571       GetInfoForProfileAtIndex(index)->DeepCopy());
 572   info->SetString(kAuthCredentialsKey, credentials);
 573   // This takes ownership of |info|.
 574   SetInfoForProfileAtIndex(index, info.release());
 575 }
 576
 577 void ProfileInfoCache::SetBackgroundStatusOfProfileAtIndex(
 578     size_t index,
 579     bool running_background_apps) {
 580   if (GetBackgroundStatusOfProfileAtIndex(index) == running_background_apps)
 581     return;
 582   scoped_ptr<base::DictionaryValue> info(
 583       GetInfoForProfileAtIndex(index)->DeepCopy());
 584   info->SetBoolean(kBackgroundAppsKey, running_background_apps);
 585   // This takes ownership of |info|.
 586   SetInfoForProfileAtIndex(index, info.release());
 587 }
 588
 589 void ProfileInfoCache::SetGAIANameOfProfileAtIndex(size_t index,
 590                                                    const base::string16& name) {
 591   if (name == GetGAIANameOfProfileAtIndex(index))
 592     return;
 593
 594   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 595   scoped_ptr<base::DictionaryValue> info(
 596       GetInfoForProfileAtIndex(index)->DeepCopy());
 597   info->SetString(kGAIANameKey, name);
 598   // This takes ownership of |info|.
 599   SetInfoForProfileAtIndex(index, info.release());
 600   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 601   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 602   UpdateSortForProfileIndex(index);
 603
 604   if (old_display_name != new_display_name) {
 605     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 606                       observer_list_,
 607                       OnProfileNameChanged(profile_path, old_display_name));
 608   }
 609 }
 610
 611 void ProfileInfoCache::SetGAIAGivenNameOfProfileAtIndex(
 612     size_t index,
 613     const base::string16& name) {
 614   if (name == GetGAIAGivenNameOfProfileAtIndex(index))
 615     return;
 616
 617   scoped_ptr<base::DictionaryValue> info(
 618       GetInfoForProfileAtIndex(index)->DeepCopy());
 619   info->SetString(kGAIAGivenNameKey, name);
 620   // This takes ownership of |info|.
 621   SetInfoForProfileAtIndex(index, info.release());
 622 }
 623
 624 void ProfileInfoCache::SetIsUsingGAIANameOfProfileAtIndex(size_t index,
 625                                                           bool value) {
 626   if (value == IsUsingGAIANameOfProfileAtIndex(index))
 627     return;
 628
 629   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 630   scoped_ptr<base::DictionaryValue> info(
 631       GetInfoForProfileAtIndex(index)->DeepCopy());
 632   info->SetBoolean(kUseGAIANameKey, value);
 633   // This takes ownership of |info|.
 634   SetInfoForProfileAtIndex(index, info.release());
 635   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 636   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 637   UpdateSortForProfileIndex(index);
 638
 639   if (old_display_name != new_display_name) {
 640     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 641                       observer_list_,
 642                       OnProfileNameChanged(profile_path, old_display_name));
 643   }
 644 }
 645
 646 void ProfileInfoCache::SetGAIAPictureOfProfileAtIndex(size_t index,
 647                                                       const gfx::Image* image) {
 648   base::FilePath path = GetPathOfProfileAtIndex(index);
 649   std::string key = CacheKeyFromProfilePath(path);
 650
 651   // Delete the old bitmap from cache.
 652   std::map<std::string, gfx::Image*>::iterator it = gaia_pictures_.find(key);
 653   if (it != gaia_pictures_.end()) {
 654     delete it->second;
 655     gaia_pictures_.erase(it);
 656   }
 657
 658   std::string old_file_name;
 659   GetInfoForProfileAtIndex(index)->GetString(
 660       kGAIAPictureFileNameKey, &old_file_name);
 661   std::string new_file_name;
 662
 663   if (!image) {
 664     // Delete the old bitmap from disk.
 665     if (!old_file_name.empty()) {
 666       base::FilePath image_path = path.AppendASCII(old_file_name);
 667       BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 668                               base::Bind(&DeleteBitmap, image_path));
 669     }
 670   } else {
 671     // Save the new bitmap to disk.
 672     gaia_pictures_[key] = new gfx::Image(*image);
 673     scoped_ptr<ImageData> data(new ImageData);
 674     scoped_refptr<base::RefCountedMemory> png_data = image->As1xPNGBytes();
 675     data->assign(png_data->front(), png_data->front() + png_data->size());
 676     if (!data->size()) {
 677       LOG(ERROR) << "Failed to PNG encode the image.";
 678     } else {
 679       new_file_name =
 680           old_file_name.empty() ? kGAIAPictureFileName : old_file_name;
 681       base::FilePath image_path = path.AppendASCII(new_file_name);
 682       bool* success = new bool;
 683       BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE,
 684           base::Bind(&SaveBitmap, data.release(), image_path, success),
 685           base::Bind(&ProfileInfoCache::OnGAIAPictureSaved, AsWeakPtr(),
 686                      path, success));
 687     }
 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   // Retrieve some info to update observers who care about avatar changes.
 710   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 711   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 712                     observer_list_,
 713                     OnProfileAvatarChanged(profile_path));
 714 }
 715
 716 void ProfileInfoCache::SetProfileSigninRequiredAtIndex(size_t index,
 717                                                        bool value) {
 718   if (value == ProfileIsSigninRequiredAtIndex(index))
 719     return;
 720
 721   scoped_ptr<base::DictionaryValue> info(
 722       GetInfoForProfileAtIndex(index)->DeepCopy());
 723   info->SetBoolean(kSigninRequiredKey, value);
 724   // This takes ownership of |info|.
 725   SetInfoForProfileAtIndex(index, info.release());
 726
 727   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 728   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 729                     observer_list_,
 730                     OnProfileSigninRequiredChanged(profile_path));
 731 }
 732
 733 void ProfileInfoCache::SetProfileIsEphemeralAtIndex(size_t index, bool value) {
 734   if (value == ProfileIsEphemeralAtIndex(index))
 735     return;
 736
 737   scoped_ptr<base::DictionaryValue> info(
 738       GetInfoForProfileAtIndex(index)->DeepCopy());
 739   info->SetBoolean(kProfileIsEphemeral, value);
 740   // This takes ownership of |info|.
 741   SetInfoForProfileAtIndex(index, info.release());
 742 }
 743
 744 base::string16 ProfileInfoCache::ChooseNameForNewProfile(
 745     size_t icon_index) const {
 746   base::string16 name;
 747   for (int name_index = 1; ; ++name_index) {
 748     if (icon_index < kGenericIconCount) {
 749       name = l10n_util::GetStringFUTF16Int(IDS_NUMBERED_PROFILE_NAME,
 750                                            name_index);
 751     } else {
 752       name = l10n_util::GetStringUTF16(
 753           kDefaultNames[icon_index - kGenericIconCount]);
 754       if (name_index > 1)
 755         name.append(base::UTF8ToUTF16(base::IntToString(name_index)));
 756     }
 757
 758     // Loop through previously named profiles to ensure we're not duplicating.
 759     bool name_found = false;
 760     for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 761       if (GetNameOfProfileAtIndex(i) == name) {
 762         name_found = true;
 763         break;
 764       }
 765     }
 766     if (!name_found)
 767       return name;
 768   }
 769 }
 770
 771 bool ProfileInfoCache::GetHasMigratedToGAIAInfoOfProfileAtIndex(
 772       size_t index) const {
 773   bool value = false;
 774   GetInfoForProfileAtIndex(index)->GetBoolean(
 775       kHasMigratedToGAIAInfoKey, &value);
 776   return value;
 777 }
 778
 779 void ProfileInfoCache::SetHasMigratedToGAIAInfoOfProfileAtIndex(
 780     size_t index, bool value) {
 781   scoped_ptr<base::DictionaryValue> info(
 782       GetInfoForProfileAtIndex(index)->DeepCopy());
 783   info->SetBoolean(kHasMigratedToGAIAInfoKey, value);
 784   // This takes ownership of |info|.
 785   SetInfoForProfileAtIndex(index, info.release());
 786 }
 787
 788 bool ProfileInfoCache::IconIndexIsUnique(size_t icon_index) const {
 789   for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 790     if (GetAvatarIconIndexOfProfileAtIndex(i) == icon_index)
 791       return false;
 792   }
 793   return true;
 794 }
 795
 796 bool ProfileInfoCache::ChooseAvatarIconIndexForNewProfile(
 797     bool allow_generic_icon,
 798     bool must_be_unique,
 799     size_t* out_icon_index) const {
 800   size_t start = allow_generic_icon ? 0 : kGenericIconCount;
 801   size_t end = GetDefaultAvatarIconCount();
 802   size_t count = end - start;
 803
 804   int rand = base::RandInt(0, count);
 805   for (size_t i = 0; i < count; ++i) {
 806     size_t icon_index = start + (rand + i) %  count;
 807     if (!must_be_unique || IconIndexIsUnique(icon_index)) {
 808       *out_icon_index = icon_index;
 809       return true;
 810     }
 811   }
 812
 813   return false;
 814 }
 815
 816 size_t ProfileInfoCache::ChooseAvatarIconIndexForNewProfile() const {
 817   size_t icon_index = 0;
 818   // Try to find a unique, non-generic icon.
 819   if (ChooseAvatarIconIndexForNewProfile(false, true, &icon_index))
 820     return icon_index;
 821   // Try to find any unique icon.
 822   if (ChooseAvatarIconIndexForNewProfile(true, true, &icon_index))
 823     return icon_index;
 824   // Settle for any random icon, even if it's not unique.
 825   if (ChooseAvatarIconIndexForNewProfile(true, false, &icon_index))
 826     return icon_index;
 827
 828   NOTREACHED();
 829   return 0;
 830 }
 831
 832 const base::FilePath& ProfileInfoCache::GetUserDataDir() const {
 833   return user_data_dir_;
 834 }
 835
 836 // static
 837 size_t ProfileInfoCache::GetDefaultAvatarIconCount() {
 838   return kDefaultAvatarIconsCount;
 839 }
 840
 841 // static
 842 int ProfileInfoCache::GetDefaultAvatarIconResourceIDAtIndex(size_t index) {
 843   DCHECK(IsDefaultAvatarIconIndex(index));
 844   return kDefaultAvatarIconResources[index];
 845 }
 846
 847 // static
 848 std::string ProfileInfoCache::GetDefaultAvatarIconUrl(size_t index) {
 849   DCHECK(IsDefaultAvatarIconIndex(index));
 850   return base::StringPrintf("%s%" PRIuS, kDefaultUrlPrefix, index);
 851 }
 852
 853 // static
 854 bool ProfileInfoCache::IsDefaultAvatarIconIndex(size_t index) {
 855   return index < kDefaultAvatarIconsCount;
 856 }
 857
 858 // static
 859 bool ProfileInfoCache::IsDefaultAvatarIconUrl(const std::string& url,
 860                                               size_t* icon_index) {
 861   DCHECK(icon_index);
 862   if (url.find(kDefaultUrlPrefix) != 0)
 863     return false;
 864
 865   int int_value = -1;
 866   if (base::StringToInt(base::StringPiece(url.begin() +
 867                                           strlen(kDefaultUrlPrefix),
 868                                           url.end()),
 869                         &int_value)) {
 870     if (int_value < 0 ||
 871         int_value >= static_cast<int>(kDefaultAvatarIconsCount))
 872       return false;
 873     *icon_index = int_value;
 874     return true;
 875   }
 876
 877   return false;
 878 }
 879
 880 const base::DictionaryValue* ProfileInfoCache::GetInfoForProfileAtIndex(
 881     size_t index) const {
 882   DCHECK_LT(index, GetNumberOfProfiles());
 883   const base::DictionaryValue* cache =
 884       prefs_->GetDictionary(prefs::kProfileInfoCache);
 885   const base::DictionaryValue* info = NULL;
 886   cache->GetDictionaryWithoutPathExpansion(sorted_keys_[index], &info);
 887   return info;
 888 }
 889
 890 void ProfileInfoCache::SetInfoQuietlyForProfileAtIndex(
 891     size_t index, base::DictionaryValue* info) {
 892   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 893   base::DictionaryValue* cache = update.Get();
 894   cache->SetWithoutPathExpansion(sorted_keys_[index], info);
 895 }
 896
 897 // TODO(noms): Switch to newer notification system.
 898 void ProfileInfoCache::SetInfoForProfileAtIndex(size_t index,
 899                                                 base::DictionaryValue* info) {
 900   SetInfoQuietlyForProfileAtIndex(index, info);
 901
 902   content::NotificationService::current()->Notify(
 903       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 904       content::NotificationService::AllSources(),
 905       content::NotificationService::NoDetails());
 906 }
 907
 908 std::string ProfileInfoCache::CacheKeyFromProfilePath(
 909     const base::FilePath& profile_path) const {
 910   DCHECK(user_data_dir_ == profile_path.DirName());
 911   base::FilePath base_name = profile_path.BaseName();
 912   return base_name.MaybeAsASCII();
 913 }
 914
 915 std::vector<std::string>::iterator ProfileInfoCache::FindPositionForProfile(
 916     const std::string& search_key,
 917     const base::string16& search_name) {
 918   base::string16 search_name_l = base::i18n::ToLower(search_name);
 919   for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 920     base::string16 name_l = base::i18n::ToLower(GetNameOfProfileAtIndex(i));
 921     int name_compare = search_name_l.compare(name_l);
 922     if (name_compare < 0)
 923       return sorted_keys_.begin() + i;
 924     if (name_compare == 0) {
 925       int key_compare = search_key.compare(sorted_keys_[i]);
 926       if (key_compare < 0)
 927         return sorted_keys_.begin() + i;
 928     }
 929   }
 930   return sorted_keys_.end();
 931 }
 932
 933 void ProfileInfoCache::UpdateSortForProfileIndex(size_t index) {
 934   base::string16 name = GetNameOfProfileAtIndex(index);
 935
 936   // Remove and reinsert key in |sorted_keys_| to alphasort.
 937   std::string key = CacheKeyFromProfilePath(GetPathOfProfileAtIndex(index));
 938   std::vector<std::string>::iterator key_it =
 939       std::find(sorted_keys_.begin(), sorted_keys_.end(), key);
 940   DCHECK(key_it != sorted_keys_.end());
 941   sorted_keys_.erase(key_it);
 942   sorted_keys_.insert(FindPositionForProfile(key, name), key);
 943
 944   content::NotificationService::current()->Notify(
 945       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 946       content::NotificationService::AllSources(),
 947       content::NotificationService::NoDetails());
 948 }
 949
 950 // static
 951 std::vector<base::string16> ProfileInfoCache::GetProfileNames() {
 952   std::vector<base::string16> names;
 953   PrefService* local_state = g_browser_process->local_state();
 954   const base::DictionaryValue* cache = local_state->GetDictionary(
 955       prefs::kProfileInfoCache);
 956   base::string16 name;
 957   for (base::DictionaryValue::Iterator it(*cache); !it.IsAtEnd();
 958        it.Advance()) {
 959     const base::DictionaryValue* info = NULL;
 960     it.value().GetAsDictionary(&info);
 961     info->GetString(kNameKey, &name);
 962     names.push_back(name);
 963   }
 964   return names;
 965 }
 966
 967 // static
 968 void ProfileInfoCache::RegisterPrefs(PrefRegistrySimple* registry) {
 969   registry->RegisterDictionaryPref(prefs::kProfileInfoCache);
 970 }