src/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 kIsOmittedFromProfileListKey[] = "is_omitted_from_profile_list";
  54 const char kSigninRequiredKey[] = "signin_required";
  55 const char kManagedUserId[] = "managed_user_id";
  56 const char kProfileIsEphemeral[] = "is_ephemeral";
  57 const char kActiveTimeKey[] = "active_time";
  58
  59 const char kDefaultUrlPrefix[] = "chrome://theme/IDR_PROFILE_AVATAR_";
  60 const char kGAIAPictureFileName[] = "Google Profile Picture.png";
  61
  62 const int kDefaultAvatarIconResources[] = {
  63   IDR_PROFILE_AVATAR_0,
  64   IDR_PROFILE_AVATAR_1,
  65   IDR_PROFILE_AVATAR_2,
  66   IDR_PROFILE_AVATAR_3,
  67   IDR_PROFILE_AVATAR_4,
  68   IDR_PROFILE_AVATAR_5,
  69   IDR_PROFILE_AVATAR_6,
  70   IDR_PROFILE_AVATAR_7,
  71   IDR_PROFILE_AVATAR_8,
  72   IDR_PROFILE_AVATAR_9,
  73   IDR_PROFILE_AVATAR_10,
  74   IDR_PROFILE_AVATAR_11,
  75   IDR_PROFILE_AVATAR_12,
  76   IDR_PROFILE_AVATAR_13,
  77   IDR_PROFILE_AVATAR_14,
  78   IDR_PROFILE_AVATAR_15,
  79   IDR_PROFILE_AVATAR_16,
  80   IDR_PROFILE_AVATAR_17,
  81   IDR_PROFILE_AVATAR_18,
  82   IDR_PROFILE_AVATAR_19,
  83   IDR_PROFILE_AVATAR_20,
  84   IDR_PROFILE_AVATAR_21,
  85   IDR_PROFILE_AVATAR_22,
  86   IDR_PROFILE_AVATAR_23,
  87   IDR_PROFILE_AVATAR_24,
  88   IDR_PROFILE_AVATAR_25,
  89 };
  90
  91 const size_t kDefaultAvatarIconsCount = arraysize(kDefaultAvatarIconResources);
  92
  93 // The first 8 icons are generic.
  94 const size_t kGenericIconCount = 8;
  95
  96 // First eight are generic icons, which use IDS_NUMBERED_PROFILE_NAME.
  97 const int kDefaultNames[] = {
  98   IDS_DEFAULT_AVATAR_NAME_8,
  99   IDS_DEFAULT_AVATAR_NAME_9,
 100   IDS_DEFAULT_AVATAR_NAME_10,
 101   IDS_DEFAULT_AVATAR_NAME_11,
 102   IDS_DEFAULT_AVATAR_NAME_12,
 103   IDS_DEFAULT_AVATAR_NAME_13,
 104   IDS_DEFAULT_AVATAR_NAME_14,
 105   IDS_DEFAULT_AVATAR_NAME_15,
 106   IDS_DEFAULT_AVATAR_NAME_16,
 107   IDS_DEFAULT_AVATAR_NAME_17,
 108   IDS_DEFAULT_AVATAR_NAME_18,
 109   IDS_DEFAULT_AVATAR_NAME_19,
 110   IDS_DEFAULT_AVATAR_NAME_20,
 111   IDS_DEFAULT_AVATAR_NAME_21,
 112   IDS_DEFAULT_AVATAR_NAME_22,
 113   IDS_DEFAULT_AVATAR_NAME_23,
 114   IDS_DEFAULT_AVATAR_NAME_24,
 115   IDS_DEFAULT_AVATAR_NAME_25
 116 };
 117
 118 typedef std::vector<unsigned char> ImageData;
 119
 120 // Writes |data| to disk and takes ownership of the pointer. On completion
 121 // |success| is set to true on success and false on failure.
 122 void SaveBitmap(ImageData* data,
 123                 const base::FilePath& image_path,
 124                 bool* success) {
 125   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 126   scoped_ptr<ImageData> data_owner(data);
 127   *success = false;
 128
 129   // Make sure the destination directory exists.
 130   base::FilePath dir = image_path.DirName();
 131   if (!base::DirectoryExists(dir) && !base::CreateDirectory(dir)) {
 132     LOG(ERROR) << "Failed to create parent directory.";
 133     return;
 134   }
 135
 136   if (file_util::WriteFile(image_path,
 137                            reinterpret_cast<char*>(&(*data)[0]),
 138                            data->size()) == -1) {
 139     LOG(ERROR) << "Failed to save image to file.";
 140     return;
 141   }
 142
 143   *success = true;
 144 }
 145
 146 // Reads a PNG from disk and decodes it. If the bitmap was successfully read
 147 // from disk the then |out_image| will contain the bitmap image, otherwise it
 148 // will be NULL.
 149 void ReadBitmap(const base::FilePath& image_path,
 150                 gfx::Image** out_image) {
 151   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 152   *out_image = NULL;
 153
 154   std::string image_data;
 155   if (!base::ReadFileToString(image_path, &image_data)) {
 156     LOG(ERROR) << "Failed to read PNG file from disk.";
 157     return;
 158   }
 159
 160   gfx::Image image = gfx::Image::CreateFrom1xPNGBytes(
 161       base::RefCountedString::TakeString(&image_data));
 162   if (image.IsEmpty()) {
 163     LOG(ERROR) << "Failed to decode PNG file.";
 164     return;
 165   }
 166
 167   *out_image = new gfx::Image(image);
 168 }
 169
 170 void DeleteBitmap(const base::FilePath& image_path) {
 171   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 172   base::DeleteFile(image_path, false);
 173 }
 174
 175 }  // namespace
 176
 177 ProfileInfoCache::ProfileInfoCache(PrefService* prefs,
 178                                    const base::FilePath& user_data_dir)
 179     : prefs_(prefs),
 180       user_data_dir_(user_data_dir) {
 181   // Populate the cache
 182   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 183   base::DictionaryValue* cache = update.Get();
 184   for (base::DictionaryValue::Iterator it(*cache);
 185        !it.IsAtEnd(); it.Advance()) {
 186     base::DictionaryValue* info = NULL;
 187     cache->GetDictionaryWithoutPathExpansion(it.key(), &info);
 188     base::string16 name;
 189     info->GetString(kNameKey, &name);
 190     sorted_keys_.insert(FindPositionForProfile(it.key(), name), it.key());
 191     // TODO(ibraaaa): delete this when 97% of our users are using M31.
 192     // http://crbug.com/276163
 193     bool is_managed = false;
 194     if (info->GetBoolean(kIsManagedKey, &is_managed)) {
 195       info->Remove(kIsManagedKey, NULL);
 196       info->SetString(kManagedUserId, is_managed ? "DUMMY_ID" : std::string());
 197     }
 198   }
 199 }
 200
 201 ProfileInfoCache::~ProfileInfoCache() {
 202   STLDeleteContainerPairSecondPointers(
 203       gaia_pictures_.begin(), gaia_pictures_.end());
 204 }
 205
 206 void ProfileInfoCache::AddProfileToCache(const base::FilePath& profile_path,
 207                                          const base::string16& name,
 208                                          const base::string16& username,
 209                                          size_t icon_index,
 210                                          const std::string& managed_user_id) {
 211   std::string key = CacheKeyFromProfilePath(profile_path);
 212   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 213   base::DictionaryValue* cache = update.Get();
 214
 215   scoped_ptr<base::DictionaryValue> info(new base::DictionaryValue);
 216   info->SetString(kNameKey, name);
 217   info->SetString(kUserNameKey, username);
 218   info->SetString(kAvatarIconKey, GetDefaultAvatarIconUrl(icon_index));
 219   // Default value for whether background apps are running is false.
 220   info->SetBoolean(kBackgroundAppsKey, false);
 221   info->SetString(kManagedUserId, managed_user_id);
 222   info->SetBoolean(kIsOmittedFromProfileListKey, !managed_user_id.empty());
 223   info->SetBoolean(kProfileIsEphemeral, false);
 224   cache->SetWithoutPathExpansion(key, info.release());
 225
 226   sorted_keys_.insert(FindPositionForProfile(key, name), key);
 227
 228   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 229                     observer_list_,
 230                     OnProfileAdded(profile_path));
 231
 232   content::NotificationService::current()->Notify(
 233       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 234       content::NotificationService::AllSources(),
 235       content::NotificationService::NoDetails());
 236 }
 237
 238 void ProfileInfoCache::AddObserver(ProfileInfoCacheObserver* obs) {
 239   observer_list_.AddObserver(obs);
 240 }
 241
 242 void ProfileInfoCache::RemoveObserver(ProfileInfoCacheObserver* obs) {
 243   observer_list_.RemoveObserver(obs);
 244 }
 245
 246 void ProfileInfoCache::DeleteProfileFromCache(
 247     const base::FilePath& profile_path) {
 248   size_t profile_index = GetIndexOfProfileWithPath(profile_path);
 249   if (profile_index == std::string::npos) {
 250     NOTREACHED();
 251     return;
 252   }
 253   base::string16 name = GetNameOfProfileAtIndex(profile_index);
 254
 255   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 256                     observer_list_,
 257                     OnProfileWillBeRemoved(profile_path));
 258
 259   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 260   base::DictionaryValue* cache = update.Get();
 261   std::string key = CacheKeyFromProfilePath(profile_path);
 262   cache->Remove(key, NULL);
 263   sorted_keys_.erase(std::find(sorted_keys_.begin(), sorted_keys_.end(), key));
 264
 265   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 266                     observer_list_,
 267                     OnProfileWasRemoved(profile_path, name));
 268
 269   content::NotificationService::current()->Notify(
 270       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 271       content::NotificationService::AllSources(),
 272       content::NotificationService::NoDetails());
 273 }
 274
 275 size_t ProfileInfoCache::GetNumberOfProfiles() const {
 276   return sorted_keys_.size();
 277 }
 278
 279 size_t ProfileInfoCache::GetIndexOfProfileWithPath(
 280     const base::FilePath& profile_path) const {
 281   if (profile_path.DirName() != user_data_dir_)
 282     return std::string::npos;
 283   std::string search_key = CacheKeyFromProfilePath(profile_path);
 284   for (size_t i = 0; i < sorted_keys_.size(); ++i) {
 285     if (sorted_keys_[i] == search_key)
 286       return i;
 287   }
 288   return std::string::npos;
 289 }
 290
 291 base::string16 ProfileInfoCache::GetNameOfProfileAtIndex(size_t index) const {
 292   base::string16 name;
 293   if (IsUsingGAIANameOfProfileAtIndex(index)) {
 294     base::string16 given_name = GetGAIAGivenNameOfProfileAtIndex(index);
 295     name = given_name.empty() ? GetGAIANameOfProfileAtIndex(index) : given_name;
 296   }
 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   int resource_id = GetDefaultAvatarIconResourceIDAtIndex(
 340       GetAvatarIconIndexOfProfileAtIndex(index));
 341   return ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
 342 }
 343
 344 std::string ProfileInfoCache::GetLocalAuthCredentialsOfProfileAtIndex(
 345     size_t index) const {
 346   std::string credentials;
 347   GetInfoForProfileAtIndex(index)->GetString(kAuthCredentialsKey, &credentials);
 348   return credentials;
 349 }
 350
 351 bool ProfileInfoCache::GetBackgroundStatusOfProfileAtIndex(
 352     size_t index) const {
 353   bool background_app_status;
 354   if (!GetInfoForProfileAtIndex(index)->GetBoolean(kBackgroundAppsKey,
 355                                                    &background_app_status)) {
 356     return false;
 357   }
 358   return background_app_status;
 359 }
 360
 361 base::string16 ProfileInfoCache::GetGAIANameOfProfileAtIndex(
 362     size_t index) const {
 363   base::string16 name;
 364   GetInfoForProfileAtIndex(index)->GetString(kGAIANameKey, &name);
 365   return name;
 366 }
 367
 368 base::string16 ProfileInfoCache::GetGAIAGivenNameOfProfileAtIndex(
 369     size_t index) const {
 370   base::string16 name;
 371   GetInfoForProfileAtIndex(index)->GetString(kGAIAGivenNameKey, &name);
 372   return name;
 373 }
 374
 375 bool ProfileInfoCache::IsUsingGAIANameOfProfileAtIndex(size_t index) const {
 376   bool value = false;
 377   GetInfoForProfileAtIndex(index)->GetBoolean(kUseGAIANameKey, &value);
 378   return value;
 379 }
 380
 381 const gfx::Image* ProfileInfoCache::GetGAIAPictureOfProfileAtIndex(
 382     size_t index) const {
 383   base::FilePath path = GetPathOfProfileAtIndex(index);
 384   std::string key = CacheKeyFromProfilePath(path);
 385
 386   // If the picture is already loaded then use it.
 387   if (gaia_pictures_.count(key)) {
 388     if (gaia_pictures_[key]->IsEmpty())
 389       return NULL;
 390     return gaia_pictures_[key];
 391   }
 392
 393   std::string file_name;
 394   GetInfoForProfileAtIndex(index)->GetString(
 395       kGAIAPictureFileNameKey, &file_name);
 396
 397   // If the picture is not on disk or it is already being loaded then return
 398   // NULL.
 399   if (file_name.empty() || gaia_pictures_loading_[key])
 400     return NULL;
 401
 402   gaia_pictures_loading_[key] = true;
 403   base::FilePath image_path = path.AppendASCII(file_name);
 404   gfx::Image** image = new gfx::Image*;
 405   BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE,
 406       base::Bind(&ReadBitmap, image_path, image),
 407       base::Bind(&ProfileInfoCache::OnGAIAPictureLoaded,
 408           const_cast<ProfileInfoCache*>(this)->AsWeakPtr(), path, image));
 409
 410   return NULL;
 411 }
 412
 413 bool ProfileInfoCache::ProfileIsManagedAtIndex(size_t index) const {
 414   return !GetManagedUserIdOfProfileAtIndex(index).empty();
 415 }
 416
 417 bool ProfileInfoCache::IsOmittedProfileAtIndex(size_t index) const {
 418   bool value = false;
 419   GetInfoForProfileAtIndex(index)->GetBoolean(kIsOmittedFromProfileListKey,
 420                                               &value);
 421   return value;
 422 }
 423
 424 bool ProfileInfoCache::ProfileIsSigninRequiredAtIndex(size_t index) const {
 425   bool value = false;
 426   GetInfoForProfileAtIndex(index)->GetBoolean(kSigninRequiredKey, &value);
 427   return value;
 428 }
 429
 430 std::string ProfileInfoCache::GetManagedUserIdOfProfileAtIndex(
 431     size_t index) const {
 432   std::string managed_user_id;
 433   GetInfoForProfileAtIndex(index)->GetString(kManagedUserId, &managed_user_id);
 434   return managed_user_id;
 435 }
 436
 437 bool ProfileInfoCache::ProfileIsEphemeralAtIndex(size_t index) const {
 438   bool value = false;
 439   GetInfoForProfileAtIndex(index)->GetBoolean(kProfileIsEphemeral, &value);
 440   return value;
 441 }
 442
 443 void ProfileInfoCache::OnGAIAPictureLoaded(const base::FilePath& path,
 444                                            gfx::Image** image) const {
 445   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 446
 447   std::string key = CacheKeyFromProfilePath(path);
 448   gaia_pictures_loading_[key] = false;
 449
 450   if (*image) {
 451     delete gaia_pictures_[key];
 452     gaia_pictures_[key] = *image;
 453   } else {
 454     // Place an empty image in the cache to avoid reloading it again.
 455     gaia_pictures_[key] = new gfx::Image();
 456   }
 457   delete image;
 458
 459   content::NotificationService::current()->Notify(
 460       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 461       content::NotificationService::AllSources(),
 462       content::NotificationService::NoDetails());
 463 }
 464
 465 void ProfileInfoCache::OnGAIAPictureSaved(const base::FilePath& path,
 466                                           bool* success) const  {
 467   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 468
 469   if (*success) {
 470     content::NotificationService::current()->Notify(
 471         chrome::NOTIFICATION_PROFILE_CACHE_PICTURE_SAVED,
 472         content::NotificationService::AllSources(),
 473         content::NotificationService::NoDetails());
 474   }
 475   delete success;
 476 }
 477
 478 bool ProfileInfoCache::IsUsingGAIAPictureOfProfileAtIndex(
 479     size_t index) const {
 480   bool value = false;
 481   GetInfoForProfileAtIndex(index)->GetBoolean(kUseGAIAPictureKey, &value);
 482   return value;
 483 }
 484
 485 size_t ProfileInfoCache::GetAvatarIconIndexOfProfileAtIndex(size_t index)
 486     const {
 487   std::string icon_url;
 488   GetInfoForProfileAtIndex(index)->GetString(kAvatarIconKey, &icon_url);
 489   size_t icon_index = 0;
 490   if (!IsDefaultAvatarIconUrl(icon_url, &icon_index))
 491     DLOG(WARNING) << "Unknown avatar icon: " << icon_url;
 492
 493   return icon_index;
 494 }
 495
 496 void ProfileInfoCache::SetProfileActiveTimeAtIndex(size_t index) {
 497   scoped_ptr<base::DictionaryValue> info(
 498       GetInfoForProfileAtIndex(index)->DeepCopy());
 499   info->SetDouble(kActiveTimeKey, base::Time::Now().ToDoubleT());
 500   // This takes ownership of |info|.
 501   SetInfoQuietlyForProfileAtIndex(index, info.release());
 502 }
 503
 504 void ProfileInfoCache::SetNameOfProfileAtIndex(size_t index,
 505                                                const base::string16& name) {
 506   scoped_ptr<base::DictionaryValue> info(
 507       GetInfoForProfileAtIndex(index)->DeepCopy());
 508   base::string16 current_name;
 509   info->GetString(kNameKey, &current_name);
 510   if (name == current_name)
 511     return;
 512
 513   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 514   info->SetString(kNameKey, name);
 515   // This takes ownership of |info|.
 516   SetInfoForProfileAtIndex(index, info.release());
 517   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 518   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 519   UpdateSortForProfileIndex(index);
 520
 521   if (old_display_name != new_display_name) {
 522     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 523                       observer_list_,
 524                       OnProfileNameChanged(profile_path, old_display_name));
 525   }
 526 }
 527
 528 void ProfileInfoCache::SetShortcutNameOfProfileAtIndex(
 529     size_t index,
 530     const base::string16& shortcut_name) {
 531   if (shortcut_name == GetShortcutNameOfProfileAtIndex(index))
 532     return;
 533   scoped_ptr<base::DictionaryValue> info(
 534       GetInfoForProfileAtIndex(index)->DeepCopy());
 535   info->SetString(kShortcutNameKey, shortcut_name);
 536   // This takes ownership of |info|.
 537   SetInfoForProfileAtIndex(index, info.release());
 538 }
 539
 540 void ProfileInfoCache::SetUserNameOfProfileAtIndex(
 541     size_t index,
 542     const base::string16& user_name) {
 543   if (user_name == GetUserNameOfProfileAtIndex(index))
 544     return;
 545
 546   scoped_ptr<base::DictionaryValue> info(
 547       GetInfoForProfileAtIndex(index)->DeepCopy());
 548   info->SetString(kUserNameKey, user_name);
 549   // This takes ownership of |info|.
 550   SetInfoForProfileAtIndex(index, info.release());
 551 }
 552
 553 void ProfileInfoCache::SetAvatarIconOfProfileAtIndex(size_t index,
 554                                                      size_t icon_index) {
 555   scoped_ptr<base::DictionaryValue> info(
 556       GetInfoForProfileAtIndex(index)->DeepCopy());
 557   info->SetString(kAvatarIconKey, GetDefaultAvatarIconUrl(icon_index));
 558   // This takes ownership of |info|.
 559   SetInfoForProfileAtIndex(index, info.release());
 560
 561   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 562   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 563                     observer_list_,
 564                     OnProfileAvatarChanged(profile_path));
 565 }
 566
 567 void ProfileInfoCache::SetIsOmittedProfileAtIndex(size_t index,
 568                                                   bool is_omitted) {
 569   if (IsOmittedProfileAtIndex(index) == is_omitted)
 570     return;
 571   scoped_ptr<base::DictionaryValue> info(
 572       GetInfoForProfileAtIndex(index)->DeepCopy());
 573   info->SetBoolean(kIsOmittedFromProfileListKey, is_omitted);
 574   // This takes ownership of |info|.
 575   SetInfoForProfileAtIndex(index, info.release());
 576 }
 577
 578 void ProfileInfoCache::SetManagedUserIdOfProfileAtIndex(size_t index,
 579                                                         const std::string& id) {
 580   scoped_ptr<base::DictionaryValue> info(
 581       GetInfoForProfileAtIndex(index)->DeepCopy());
 582   info->SetString(kManagedUserId, id);
 583   // This takes ownership of |info|.
 584   SetInfoForProfileAtIndex(index, info.release());
 585 }
 586
 587 void ProfileInfoCache::SetLocalAuthCredentialsOfProfileAtIndex(
 588     size_t index,
 589     const std::string& credentials) {
 590   scoped_ptr<base::DictionaryValue> info(
 591       GetInfoForProfileAtIndex(index)->DeepCopy());
 592   info->SetString(kAuthCredentialsKey, credentials);
 593   // This takes ownership of |info|.
 594   SetInfoForProfileAtIndex(index, info.release());
 595 }
 596
 597 void ProfileInfoCache::SetBackgroundStatusOfProfileAtIndex(
 598     size_t index,
 599     bool running_background_apps) {
 600   if (GetBackgroundStatusOfProfileAtIndex(index) == running_background_apps)
 601     return;
 602   scoped_ptr<base::DictionaryValue> info(
 603       GetInfoForProfileAtIndex(index)->DeepCopy());
 604   info->SetBoolean(kBackgroundAppsKey, running_background_apps);
 605   // This takes ownership of |info|.
 606   SetInfoForProfileAtIndex(index, info.release());
 607 }
 608
 609 void ProfileInfoCache::SetGAIANameOfProfileAtIndex(size_t index,
 610                                                    const base::string16& name) {
 611   if (name == GetGAIANameOfProfileAtIndex(index))
 612     return;
 613
 614   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 615   scoped_ptr<base::DictionaryValue> info(
 616       GetInfoForProfileAtIndex(index)->DeepCopy());
 617   info->SetString(kGAIANameKey, name);
 618   // This takes ownership of |info|.
 619   SetInfoForProfileAtIndex(index, info.release());
 620   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 621   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 622   UpdateSortForProfileIndex(index);
 623
 624   if (old_display_name != new_display_name) {
 625     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 626                       observer_list_,
 627                       OnProfileNameChanged(profile_path, old_display_name));
 628   }
 629 }
 630
 631 void ProfileInfoCache::SetGAIAGivenNameOfProfileAtIndex(
 632     size_t index,
 633     const base::string16& name) {
 634   if (name == GetGAIAGivenNameOfProfileAtIndex(index))
 635     return;
 636
 637   scoped_ptr<base::DictionaryValue> info(
 638       GetInfoForProfileAtIndex(index)->DeepCopy());
 639   info->SetString(kGAIAGivenNameKey, name);
 640   // This takes ownership of |info|.
 641   SetInfoForProfileAtIndex(index, info.release());
 642 }
 643
 644 void ProfileInfoCache::SetIsUsingGAIANameOfProfileAtIndex(size_t index,
 645                                                           bool value) {
 646   if (value == IsUsingGAIANameOfProfileAtIndex(index))
 647     return;
 648
 649   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 650   scoped_ptr<base::DictionaryValue> info(
 651       GetInfoForProfileAtIndex(index)->DeepCopy());
 652   info->SetBoolean(kUseGAIANameKey, value);
 653   // This takes ownership of |info|.
 654   SetInfoForProfileAtIndex(index, info.release());
 655   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 656   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 657   UpdateSortForProfileIndex(index);
 658
 659   if (old_display_name != new_display_name) {
 660     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 661                       observer_list_,
 662                       OnProfileNameChanged(profile_path, old_display_name));
 663   }
 664 }
 665
 666 void ProfileInfoCache::SetGAIAPictureOfProfileAtIndex(size_t index,
 667                                                       const gfx::Image* image) {
 668   base::FilePath path = GetPathOfProfileAtIndex(index);
 669   std::string key = CacheKeyFromProfilePath(path);
 670
 671   // Delete the old bitmap from cache.
 672   std::map<std::string, gfx::Image*>::iterator it = gaia_pictures_.find(key);
 673   if (it != gaia_pictures_.end()) {
 674     delete it->second;
 675     gaia_pictures_.erase(it);
 676   }
 677
 678   std::string old_file_name;
 679   GetInfoForProfileAtIndex(index)->GetString(
 680       kGAIAPictureFileNameKey, &old_file_name);
 681   std::string new_file_name;
 682
 683   if (!image) {
 684     // Delete the old bitmap from disk.
 685     if (!old_file_name.empty()) {
 686       base::FilePath image_path = path.AppendASCII(old_file_name);
 687       BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 688                               base::Bind(&DeleteBitmap, image_path));
 689     }
 690   } else {
 691     // Save the new bitmap to disk.
 692     gaia_pictures_[key] = new gfx::Image(*image);
 693     scoped_ptr<ImageData> data(new ImageData);
 694     scoped_refptr<base::RefCountedMemory> png_data = image->As1xPNGBytes();
 695     data->assign(png_data->front(), png_data->front() + png_data->size());
 696     if (!data->size()) {
 697       LOG(ERROR) << "Failed to PNG encode the image.";
 698     } else {
 699       new_file_name =
 700           old_file_name.empty() ? kGAIAPictureFileName : old_file_name;
 701       base::FilePath image_path = path.AppendASCII(new_file_name);
 702       bool* success = new bool;
 703       BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE,
 704           base::Bind(&SaveBitmap, data.release(), image_path, success),
 705           base::Bind(&ProfileInfoCache::OnGAIAPictureSaved, AsWeakPtr(),
 706                      path, success));
 707     }
 708   }
 709
 710   scoped_ptr<base::DictionaryValue> info(
 711       GetInfoForProfileAtIndex(index)->DeepCopy());
 712   info->SetString(kGAIAPictureFileNameKey, new_file_name);
 713   // This takes ownership of |info|.
 714   SetInfoForProfileAtIndex(index, info.release());
 715
 716   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 717                     observer_list_,
 718                     OnProfileAvatarChanged(path));
 719 }
 720
 721 void ProfileInfoCache::SetIsUsingGAIAPictureOfProfileAtIndex(size_t index,
 722                                                              bool value) {
 723   scoped_ptr<base::DictionaryValue> info(
 724       GetInfoForProfileAtIndex(index)->DeepCopy());
 725   info->SetBoolean(kUseGAIAPictureKey, value);
 726   // This takes ownership of |info|.
 727   SetInfoForProfileAtIndex(index, info.release());
 728
 729   // Retrieve some info to update observers who care about avatar changes.
 730   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 731   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 732                     observer_list_,
 733                     OnProfileAvatarChanged(profile_path));
 734 }
 735
 736 void ProfileInfoCache::SetProfileSigninRequiredAtIndex(size_t index,
 737                                                        bool value) {
 738   if (value == ProfileIsSigninRequiredAtIndex(index))
 739     return;
 740
 741   scoped_ptr<base::DictionaryValue> info(
 742       GetInfoForProfileAtIndex(index)->DeepCopy());
 743   info->SetBoolean(kSigninRequiredKey, value);
 744   // This takes ownership of |info|.
 745   SetInfoForProfileAtIndex(index, info.release());
 746
 747   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 748   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 749                     observer_list_,
 750                     OnProfileSigninRequiredChanged(profile_path));
 751 }
 752
 753 void ProfileInfoCache::SetProfileIsEphemeralAtIndex(size_t index, bool value) {
 754   if (value == ProfileIsEphemeralAtIndex(index))
 755     return;
 756
 757   scoped_ptr<base::DictionaryValue> info(
 758       GetInfoForProfileAtIndex(index)->DeepCopy());
 759   info->SetBoolean(kProfileIsEphemeral, value);
 760   // This takes ownership of |info|.
 761   SetInfoForProfileAtIndex(index, info.release());
 762 }
 763
 764 base::string16 ProfileInfoCache::ChooseNameForNewProfile(
 765     size_t icon_index) const {
 766   base::string16 name;
 767   for (int name_index = 1; ; ++name_index) {
 768     if (icon_index < kGenericIconCount) {
 769       name = l10n_util::GetStringFUTF16Int(IDS_NUMBERED_PROFILE_NAME,
 770                                            name_index);
 771     } else {
 772       name = l10n_util::GetStringUTF16(
 773           kDefaultNames[icon_index - kGenericIconCount]);
 774       if (name_index > 1)
 775         name.append(base::UTF8ToUTF16(base::IntToString(name_index)));
 776     }
 777
 778     // Loop through previously named profiles to ensure we're not duplicating.
 779     bool name_found = false;
 780     for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 781       if (GetNameOfProfileAtIndex(i) == name) {
 782         name_found = true;
 783         break;
 784       }
 785     }
 786     if (!name_found)
 787       return name;
 788   }
 789 }
 790
 791 bool ProfileInfoCache::GetHasMigratedToGAIAInfoOfProfileAtIndex(
 792       size_t index) const {
 793   bool value = false;
 794   GetInfoForProfileAtIndex(index)->GetBoolean(
 795       kHasMigratedToGAIAInfoKey, &value);
 796   return value;
 797 }
 798
 799 void ProfileInfoCache::SetHasMigratedToGAIAInfoOfProfileAtIndex(
 800     size_t index, bool value) {
 801   scoped_ptr<base::DictionaryValue> info(
 802       GetInfoForProfileAtIndex(index)->DeepCopy());
 803   info->SetBoolean(kHasMigratedToGAIAInfoKey, value);
 804   // This takes ownership of |info|.
 805   SetInfoForProfileAtIndex(index, info.release());
 806 }
 807
 808 bool ProfileInfoCache::IconIndexIsUnique(size_t icon_index) const {
 809   for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 810     if (GetAvatarIconIndexOfProfileAtIndex(i) == icon_index)
 811       return false;
 812   }
 813   return true;
 814 }
 815
 816 bool ProfileInfoCache::ChooseAvatarIconIndexForNewProfile(
 817     bool allow_generic_icon,
 818     bool must_be_unique,
 819     size_t* out_icon_index) const {
 820   size_t start = allow_generic_icon ? 0 : kGenericIconCount;
 821   size_t end = GetDefaultAvatarIconCount();
 822   size_t count = end - start;
 823
 824   int rand = base::RandInt(0, count);
 825   for (size_t i = 0; i < count; ++i) {
 826     size_t icon_index = start + (rand + i) %  count;
 827     if (!must_be_unique || IconIndexIsUnique(icon_index)) {
 828       *out_icon_index = icon_index;
 829       return true;
 830     }
 831   }
 832
 833   return false;
 834 }
 835
 836 size_t ProfileInfoCache::ChooseAvatarIconIndexForNewProfile() const {
 837   size_t icon_index = 0;
 838   // Try to find a unique, non-generic icon.
 839   if (ChooseAvatarIconIndexForNewProfile(false, true, &icon_index))
 840     return icon_index;
 841   // Try to find any unique icon.
 842   if (ChooseAvatarIconIndexForNewProfile(true, true, &icon_index))
 843     return icon_index;
 844   // Settle for any random icon, even if it's not unique.
 845   if (ChooseAvatarIconIndexForNewProfile(true, false, &icon_index))
 846     return icon_index;
 847
 848   NOTREACHED();
 849   return 0;
 850 }
 851
 852 const base::FilePath& ProfileInfoCache::GetUserDataDir() const {
 853   return user_data_dir_;
 854 }
 855
 856 // static
 857 size_t ProfileInfoCache::GetDefaultAvatarIconCount() {
 858   return kDefaultAvatarIconsCount;
 859 }
 860
 861 // static
 862 int ProfileInfoCache::GetDefaultAvatarIconResourceIDAtIndex(size_t index) {
 863   DCHECK(IsDefaultAvatarIconIndex(index));
 864   return kDefaultAvatarIconResources[index];
 865 }
 866
 867 // static
 868 std::string ProfileInfoCache::GetDefaultAvatarIconUrl(size_t index) {
 869   DCHECK(IsDefaultAvatarIconIndex(index));
 870   return base::StringPrintf("%s%" PRIuS, kDefaultUrlPrefix, index);
 871 }
 872
 873 // static
 874 bool ProfileInfoCache::IsDefaultAvatarIconIndex(size_t index) {
 875   return index < kDefaultAvatarIconsCount;
 876 }
 877
 878 // static
 879 bool ProfileInfoCache::IsDefaultAvatarIconUrl(const std::string& url,
 880                                               size_t* icon_index) {
 881   DCHECK(icon_index);
 882   if (url.find(kDefaultUrlPrefix) != 0)
 883     return false;
 884
 885   int int_value = -1;
 886   if (base::StringToInt(base::StringPiece(url.begin() +
 887                                           strlen(kDefaultUrlPrefix),
 888                                           url.end()),
 889                         &int_value)) {
 890     if (int_value < 0 ||
 891         int_value >= static_cast<int>(kDefaultAvatarIconsCount))
 892       return false;
 893     *icon_index = int_value;
 894     return true;
 895   }
 896
 897   return false;
 898 }
 899
 900 const base::DictionaryValue* ProfileInfoCache::GetInfoForProfileAtIndex(
 901     size_t index) const {
 902   DCHECK_LT(index, GetNumberOfProfiles());
 903   const base::DictionaryValue* cache =
 904       prefs_->GetDictionary(prefs::kProfileInfoCache);
 905   const base::DictionaryValue* info = NULL;
 906   cache->GetDictionaryWithoutPathExpansion(sorted_keys_[index], &info);
 907   return info;
 908 }
 909
 910 void ProfileInfoCache::SetInfoQuietlyForProfileAtIndex(
 911     size_t index, base::DictionaryValue* info) {
 912   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 913   base::DictionaryValue* cache = update.Get();
 914   cache->SetWithoutPathExpansion(sorted_keys_[index], info);
 915 }
 916
 917 // TODO(noms): Switch to newer notification system.
 918 void ProfileInfoCache::SetInfoForProfileAtIndex(size_t index,
 919                                                 base::DictionaryValue* info) {
 920   SetInfoQuietlyForProfileAtIndex(index, info);
 921
 922   content::NotificationService::current()->Notify(
 923       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 924       content::NotificationService::AllSources(),
 925       content::NotificationService::NoDetails());
 926 }
 927
 928 std::string ProfileInfoCache::CacheKeyFromProfilePath(
 929     const base::FilePath& profile_path) const {
 930   DCHECK(user_data_dir_ == profile_path.DirName());
 931   base::FilePath base_name = profile_path.BaseName();
 932   return base_name.MaybeAsASCII();
 933 }
 934
 935 std::vector<std::string>::iterator ProfileInfoCache::FindPositionForProfile(
 936     const std::string& search_key,
 937     const base::string16& search_name) {
 938   base::string16 search_name_l = base::i18n::ToLower(search_name);
 939   for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 940     base::string16 name_l = base::i18n::ToLower(GetNameOfProfileAtIndex(i));
 941     int name_compare = search_name_l.compare(name_l);
 942     if (name_compare < 0)
 943       return sorted_keys_.begin() + i;
 944     if (name_compare == 0) {
 945       int key_compare = search_key.compare(sorted_keys_[i]);
 946       if (key_compare < 0)
 947         return sorted_keys_.begin() + i;
 948     }
 949   }
 950   return sorted_keys_.end();
 951 }
 952
 953 void ProfileInfoCache::UpdateSortForProfileIndex(size_t index) {
 954   base::string16 name = GetNameOfProfileAtIndex(index);
 955
 956   // Remove and reinsert key in |sorted_keys_| to alphasort.
 957   std::string key = CacheKeyFromProfilePath(GetPathOfProfileAtIndex(index));
 958   std::vector<std::string>::iterator key_it =
 959       std::find(sorted_keys_.begin(), sorted_keys_.end(), key);
 960   DCHECK(key_it != sorted_keys_.end());
 961   sorted_keys_.erase(key_it);
 962   sorted_keys_.insert(FindPositionForProfile(key, name), key);
 963
 964   content::NotificationService::current()->Notify(
 965       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 966       content::NotificationService::AllSources(),
 967       content::NotificationService::NoDetails());
 968 }
 969
 970 // static
 971 std::vector<base::string16> ProfileInfoCache::GetProfileNames() {
 972   std::vector<base::string16> names;
 973   PrefService* local_state = g_browser_process->local_state();
 974   const base::DictionaryValue* cache = local_state->GetDictionary(
 975       prefs::kProfileInfoCache);
 976   base::string16 name;
 977   for (base::DictionaryValue::Iterator it(*cache); !it.IsAtEnd();
 978        it.Advance()) {
 979     const base::DictionaryValue* info = NULL;
 980     it.value().GetAsDictionary(&info);
 981     info->GetString(kNameKey, &name);
 982     names.push_back(name);
 983   }
 984   return names;
 985 }
 986
 987 // static
 988 void ProfileInfoCache::RegisterPrefs(PrefRegistrySimple* registry) {
 989   registry->RegisterDictionaryPref(prefs::kProfileInfoCache);
 990 }