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/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 "components/signin/core/common/profile_management_switches.h"
  28 #include "content/public/browser/browser_thread.h"
  29 #include "content/public/browser/notification_service.h"
  30 #include "grit/generated_resources.h"
  31 #include "grit/theme_resources.h"
  32 #include "ui/base/l10n/l10n_util.h"
  33 #include "ui/base/resource/resource_bundle.h"
  34 #include "ui/gfx/image/image.h"
  35 #include "ui/gfx/image/image_util.h"
  36
  37 using content::BrowserThread;
  38
  39 namespace {
  40
  41 const char kNameKey[] = "name";
  42 const char kShortcutNameKey[] = "shortcut_name";
  43 const char kGAIANameKey[] = "gaia_name";
  44 const char kGAIAGivenNameKey[] = "gaia_given_name";
  45 const char kUserNameKey[] = "user_name";
  46 const char kIsUsingDefaultName[] = "is_using_default_name";
  47 const char kAvatarIconKey[] = "avatar_icon";
  48 const char kAuthCredentialsKey[] = "local_auth_credentials";
  49 const char kUseGAIAPictureKey[] = "use_gaia_picture";
  50 const char kBackgroundAppsKey[] = "background_apps";
  51 const char kGAIAPictureFileNameKey[] = "gaia_picture_file_name";
  52 const char kIsSupervisedKey[] = "is_managed";
  53 const char kIsOmittedFromProfileListKey[] = "is_omitted_from_profile_list";
  54 const char kSigninRequiredKey[] = "signin_required";
  55 const char kSupervisedUserId[] = "managed_user_id";
  56 const char kProfileIsEphemeral[] = "is_ephemeral";
  57 const char kActiveTimeKey[] = "active_time";
  58
  59 // First eight are generic icons, which use IDS_NUMBERED_PROFILE_NAME.
  60 const int kDefaultNames[] = {
  61   IDS_DEFAULT_AVATAR_NAME_8,
  62   IDS_DEFAULT_AVATAR_NAME_9,
  63   IDS_DEFAULT_AVATAR_NAME_10,
  64   IDS_DEFAULT_AVATAR_NAME_11,
  65   IDS_DEFAULT_AVATAR_NAME_12,
  66   IDS_DEFAULT_AVATAR_NAME_13,
  67   IDS_DEFAULT_AVATAR_NAME_14,
  68   IDS_DEFAULT_AVATAR_NAME_15,
  69   IDS_DEFAULT_AVATAR_NAME_16,
  70   IDS_DEFAULT_AVATAR_NAME_17,
  71   IDS_DEFAULT_AVATAR_NAME_18,
  72   IDS_DEFAULT_AVATAR_NAME_19,
  73   IDS_DEFAULT_AVATAR_NAME_20,
  74   IDS_DEFAULT_AVATAR_NAME_21,
  75   IDS_DEFAULT_AVATAR_NAME_22,
  76   IDS_DEFAULT_AVATAR_NAME_23,
  77   IDS_DEFAULT_AVATAR_NAME_24,
  78   IDS_DEFAULT_AVATAR_NAME_25,
  79   IDS_DEFAULT_AVATAR_NAME_26
  80 };
  81
  82 typedef std::vector<unsigned char> ImageData;
  83
  84 // Writes |data| to disk and takes ownership of the pointer. On successful
  85 // completion, it runs |callback|.
  86 void SaveBitmap(scoped_ptr<ImageData> data,
  87                 const base::FilePath& image_path,
  88                 const base::Closure& callback) {
  89   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
  90
  91   // Make sure the destination directory exists.
  92   base::FilePath dir = image_path.DirName();
  93   if (!base::DirectoryExists(dir) && !base::CreateDirectory(dir)) {
  94     LOG(ERROR) << "Failed to create parent directory.";
  95     return;
  96   }
  97
  98   if (base::WriteFile(image_path, reinterpret_cast<char*>(&(*data)[0]),
  99                       data->size()) == -1) {
 100     LOG(ERROR) << "Failed to save image to file.";
 101     return;
 102   }
 103
 104   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, callback);
 105 }
 106
 107 // Reads a PNG from disk and decodes it. If the bitmap was successfully read
 108 // from disk the then |out_image| will contain the bitmap image, otherwise it
 109 // will be NULL.
 110 void ReadBitmap(const base::FilePath& image_path,
 111                 gfx::Image** out_image) {
 112   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 113   *out_image = NULL;
 114
 115   // If the path doesn't exist, don't even try reading it.
 116   if (!base::PathExists(image_path))
 117     return;
 118
 119   std::string image_data;
 120   if (!base::ReadFileToString(image_path, &image_data)) {
 121     LOG(ERROR) << "Failed to read PNG file from disk.";
 122     return;
 123   }
 124
 125   gfx::Image image = gfx::Image::CreateFrom1xPNGBytes(
 126       base::RefCountedString::TakeString(&image_data));
 127   if (image.IsEmpty()) {
 128     LOG(ERROR) << "Failed to decode PNG file.";
 129     return;
 130   }
 131
 132   *out_image = new gfx::Image(image);
 133 }
 134
 135 void DeleteBitmap(const base::FilePath& image_path) {
 136   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 137   base::DeleteFile(image_path, false);
 138 }
 139
 140 bool IsDefaultName(const base::string16& name) {
 141   // Check if it's a "First user" old-style name.
 142   if (name == l10n_util::GetStringUTF16(IDS_DEFAULT_PROFILE_NAME))
 143     return true;
 144
 145   // Check if it's one of the old-style profile names.
 146   for (size_t i = 0; i < arraysize(kDefaultNames); ++i) {
 147     if (name == l10n_util::GetStringUTF16(kDefaultNames[i]))
 148       return true;
 149   }
 150
 151   // Check whether it's one of the "Person %d" style names.
 152   std::string default_name_format = l10n_util::GetStringFUTF8(
 153       IDS_NEW_NUMBERED_PROFILE_NAME, base::string16()) + "%d";
 154
 155   int generic_profile_number;  // Unused. Just a placeholder for sscanf.
 156   int assignments = sscanf(base::UTF16ToUTF8(name).c_str(),
 157                            default_name_format.c_str(),
 158                            &generic_profile_number);
 159   // Unless it matched the format, this is a custom name.
 160   return assignments == 1;
 161 }
 162
 163 }  // namespace
 164
 165 ProfileInfoCache::ProfileInfoCache(PrefService* prefs,
 166                                    const base::FilePath& user_data_dir)
 167     : prefs_(prefs),
 168       user_data_dir_(user_data_dir) {
 169   // Populate the cache
 170   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 171   base::DictionaryValue* cache = update.Get();
 172   for (base::DictionaryValue::Iterator it(*cache);
 173        !it.IsAtEnd(); it.Advance()) {
 174     base::DictionaryValue* info = NULL;
 175     cache->GetDictionaryWithoutPathExpansion(it.key(), &info);
 176     base::string16 name;
 177     info->GetString(kNameKey, &name);
 178     sorted_keys_.insert(FindPositionForProfile(it.key(), name), it.key());
 179     // TODO(ibraaaa): delete this when 97% of our users are using M31.
 180     // http://crbug.com/276163
 181     bool is_supervised = false;
 182     if (info->GetBoolean(kIsSupervisedKey, &is_supervised)) {
 183       info->Remove(kIsSupervisedKey, NULL);
 184       info->SetString(kSupervisedUserId,
 185                       is_supervised ? "DUMMY_ID" : std::string());
 186     }
 187     info->SetBoolean(kIsUsingDefaultName, IsDefaultName(name));
 188   }
 189
 190   // If needed, start downloading the high-res avatars.
 191   if (switches::IsNewAvatarMenu()) {
 192     for (size_t i = 0; i < GetNumberOfProfiles(); i++) {
 193       DownloadHighResAvatar(GetAvatarIconIndexOfProfileAtIndex(i),
 194                             GetPathOfProfileAtIndex(i));
 195     }
 196   }
 197 }
 198
 199 ProfileInfoCache::~ProfileInfoCache() {
 200   STLDeleteContainerPairSecondPointers(
 201       cached_avatar_images_.begin(), cached_avatar_images_.end());
 202   STLDeleteContainerPairSecondPointers(
 203       avatar_images_downloads_in_progress_.begin(),
 204       avatar_images_downloads_in_progress_.end());
 205 }
 206
 207 void ProfileInfoCache::AddProfileToCache(
 208     const base::FilePath& profile_path,
 209     const base::string16& name,
 210     const base::string16& username,
 211     size_t icon_index,
 212     const std::string& supervised_user_id) {
 213   std::string key = CacheKeyFromProfilePath(profile_path);
 214   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 215   base::DictionaryValue* cache = update.Get();
 216
 217   scoped_ptr<base::DictionaryValue> info(new base::DictionaryValue);
 218   info->SetString(kNameKey, name);
 219   info->SetString(kUserNameKey, username);
 220   info->SetString(kAvatarIconKey,
 221       profiles::GetDefaultAvatarIconUrl(icon_index));
 222   // Default value for whether background apps are running is false.
 223   info->SetBoolean(kBackgroundAppsKey, false);
 224   info->SetString(kSupervisedUserId, supervised_user_id);
 225   info->SetBoolean(kIsOmittedFromProfileListKey, !supervised_user_id.empty());
 226   info->SetBoolean(kProfileIsEphemeral, false);
 227   info->SetBoolean(kIsUsingDefaultName, IsDefaultName(name));
 228   cache->SetWithoutPathExpansion(key, info.release());
 229
 230   sorted_keys_.insert(FindPositionForProfile(key, name), key);
 231
 232   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 233                     observer_list_,
 234                     OnProfileAdded(profile_path));
 235
 236   content::NotificationService::current()->Notify(
 237       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 238       content::NotificationService::AllSources(),
 239       content::NotificationService::NoDetails());
 240 }
 241
 242 void ProfileInfoCache::AddObserver(ProfileInfoCacheObserver* obs) {
 243   observer_list_.AddObserver(obs);
 244 }
 245
 246 void ProfileInfoCache::RemoveObserver(ProfileInfoCacheObserver* obs) {
 247   observer_list_.RemoveObserver(obs);
 248 }
 249
 250 void ProfileInfoCache::DeleteProfileFromCache(
 251     const base::FilePath& profile_path) {
 252   size_t profile_index = GetIndexOfProfileWithPath(profile_path);
 253   if (profile_index == std::string::npos) {
 254     NOTREACHED();
 255     return;
 256   }
 257   base::string16 name = GetNameOfProfileAtIndex(profile_index);
 258
 259   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 260                     observer_list_,
 261                     OnProfileWillBeRemoved(profile_path));
 262
 263   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 264   base::DictionaryValue* cache = update.Get();
 265   std::string key = CacheKeyFromProfilePath(profile_path);
 266   cache->Remove(key, NULL);
 267   sorted_keys_.erase(std::find(sorted_keys_.begin(), sorted_keys_.end(), key));
 268
 269   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 270                     observer_list_,
 271                     OnProfileWasRemoved(profile_path, name));
 272
 273   content::NotificationService::current()->Notify(
 274       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 275       content::NotificationService::AllSources(),
 276       content::NotificationService::NoDetails());
 277 }
 278
 279 size_t ProfileInfoCache::GetNumberOfProfiles() const {
 280   return sorted_keys_.size();
 281 }
 282
 283 size_t ProfileInfoCache::GetIndexOfProfileWithPath(
 284     const base::FilePath& profile_path) const {
 285   if (profile_path.DirName() != user_data_dir_)
 286     return std::string::npos;
 287   std::string search_key = CacheKeyFromProfilePath(profile_path);
 288   for (size_t i = 0; i < sorted_keys_.size(); ++i) {
 289     if (sorted_keys_[i] == search_key)
 290       return i;
 291   }
 292   return std::string::npos;
 293 }
 294
 295 base::string16 ProfileInfoCache::GetNameOfProfileAtIndex(size_t index) const {
 296   base::string16 name;
 297   // Unless the user has customized the profile name, we should use the
 298   // profile's Gaia given name, if it's available.
 299   if (ProfileIsUsingDefaultNameAtIndex(index)) {
 300     base::string16 given_name = GetGAIAGivenNameOfProfileAtIndex(index);
 301     name = given_name.empty() ? GetGAIANameOfProfileAtIndex(index) : given_name;
 302   }
 303   if (name.empty())
 304     GetInfoForProfileAtIndex(index)->GetString(kNameKey, &name);
 305   return name;
 306 }
 307
 308 base::string16 ProfileInfoCache::GetShortcutNameOfProfileAtIndex(size_t index)
 309     const {
 310   base::string16 shortcut_name;
 311   GetInfoForProfileAtIndex(index)->GetString(
 312       kShortcutNameKey, &shortcut_name);
 313   return shortcut_name;
 314 }
 315
 316 base::FilePath ProfileInfoCache::GetPathOfProfileAtIndex(size_t index) const {
 317   return user_data_dir_.AppendASCII(sorted_keys_[index]);
 318 }
 319
 320 base::Time ProfileInfoCache::GetProfileActiveTimeAtIndex(size_t index) const {
 321   double dt;
 322   if (GetInfoForProfileAtIndex(index)->GetDouble(kActiveTimeKey, &dt)) {
 323     return base::Time::FromDoubleT(dt);
 324   } else {
 325     return base::Time();
 326   }
 327 }
 328
 329 base::string16 ProfileInfoCache::GetUserNameOfProfileAtIndex(
 330     size_t index) const {
 331   base::string16 user_name;
 332   GetInfoForProfileAtIndex(index)->GetString(kUserNameKey, &user_name);
 333   return user_name;
 334 }
 335
 336 const gfx::Image& ProfileInfoCache::GetAvatarIconOfProfileAtIndex(
 337     size_t index) const {
 338   if (IsUsingGAIAPictureOfProfileAtIndex(index)) {
 339     const gfx::Image* image = GetGAIAPictureOfProfileAtIndex(index);
 340     if (image)
 341       return *image;
 342   }
 343
 344   // Use the high resolution version of the avatar if it exists.
 345   if (switches::IsNewAvatarMenu()) {
 346     const gfx::Image* image = GetHighResAvatarOfProfileAtIndex(index);
 347     if (image)
 348       return *image;
 349   }
 350
 351   int resource_id = profiles::GetDefaultAvatarIconResourceIDAtIndex(
 352       GetAvatarIconIndexOfProfileAtIndex(index));
 353   return ResourceBundle::GetSharedInstance().GetNativeImageNamed(resource_id);
 354 }
 355
 356 std::string ProfileInfoCache::GetLocalAuthCredentialsOfProfileAtIndex(
 357     size_t index) const {
 358   std::string credentials;
 359   GetInfoForProfileAtIndex(index)->GetString(kAuthCredentialsKey, &credentials);
 360   return credentials;
 361 }
 362
 363 bool ProfileInfoCache::GetBackgroundStatusOfProfileAtIndex(
 364     size_t index) const {
 365   bool background_app_status;
 366   if (!GetInfoForProfileAtIndex(index)->GetBoolean(kBackgroundAppsKey,
 367                                                    &background_app_status)) {
 368     return false;
 369   }
 370   return background_app_status;
 371 }
 372
 373 base::string16 ProfileInfoCache::GetGAIANameOfProfileAtIndex(
 374     size_t index) const {
 375   base::string16 name;
 376   GetInfoForProfileAtIndex(index)->GetString(kGAIANameKey, &name);
 377   return name;
 378 }
 379
 380 base::string16 ProfileInfoCache::GetGAIAGivenNameOfProfileAtIndex(
 381     size_t index) const {
 382   base::string16 name;
 383   GetInfoForProfileAtIndex(index)->GetString(kGAIAGivenNameKey, &name);
 384   return name;
 385 }
 386
 387 const gfx::Image* ProfileInfoCache::GetGAIAPictureOfProfileAtIndex(
 388     size_t index) const {
 389   base::FilePath path = GetPathOfProfileAtIndex(index);
 390   std::string key = CacheKeyFromProfilePath(path);
 391
 392   std::string file_name;
 393   GetInfoForProfileAtIndex(index)->GetString(
 394       kGAIAPictureFileNameKey, &file_name);
 395
 396   // If the picture is not on disk then return NULL.
 397   if (file_name.empty())
 398     return NULL;
 399
 400   base::FilePath image_path = path.AppendASCII(file_name);
 401   return LoadAvatarPictureFromPath(key, image_path);
 402 }
 403
 404 bool ProfileInfoCache::IsUsingGAIAPictureOfProfileAtIndex(size_t index) const {
 405   bool value = false;
 406   GetInfoForProfileAtIndex(index)->GetBoolean(kUseGAIAPictureKey, &value);
 407   return value;
 408 }
 409
 410 bool ProfileInfoCache::ProfileIsSupervisedAtIndex(size_t index) const {
 411   return !GetSupervisedUserIdOfProfileAtIndex(index).empty();
 412 }
 413
 414 bool ProfileInfoCache::IsOmittedProfileAtIndex(size_t index) const {
 415   bool value = false;
 416   GetInfoForProfileAtIndex(index)->GetBoolean(kIsOmittedFromProfileListKey,
 417                                               &value);
 418   return value;
 419 }
 420
 421 bool ProfileInfoCache::ProfileIsSigninRequiredAtIndex(size_t index) const {
 422   bool value = false;
 423   GetInfoForProfileAtIndex(index)->GetBoolean(kSigninRequiredKey, &value);
 424   return value;
 425 }
 426
 427 std::string ProfileInfoCache::GetSupervisedUserIdOfProfileAtIndex(
 428     size_t index) const {
 429   std::string supervised_user_id;
 430   GetInfoForProfileAtIndex(index)->GetString(kSupervisedUserId,
 431                                              &supervised_user_id);
 432   return supervised_user_id;
 433 }
 434
 435 bool ProfileInfoCache::ProfileIsEphemeralAtIndex(size_t index) const {
 436   bool value = false;
 437   GetInfoForProfileAtIndex(index)->GetBoolean(kProfileIsEphemeral, &value);
 438   return value;
 439 }
 440
 441 bool ProfileInfoCache::ProfileIsUsingDefaultNameAtIndex(size_t index) const {
 442   bool value = false;
 443   GetInfoForProfileAtIndex(index)->GetBoolean(kIsUsingDefaultName, &value);
 444   return value;
 445 }
 446
 447 size_t ProfileInfoCache::GetAvatarIconIndexOfProfileAtIndex(size_t index)
 448     const {
 449   std::string icon_url;
 450   GetInfoForProfileAtIndex(index)->GetString(kAvatarIconKey, &icon_url);
 451   size_t icon_index = 0;
 452   if (!profiles::IsDefaultAvatarIconUrl(icon_url, &icon_index))
 453     DLOG(WARNING) << "Unknown avatar icon: " << icon_url;
 454
 455   return icon_index;
 456 }
 457
 458 void ProfileInfoCache::SetProfileActiveTimeAtIndex(size_t index) {
 459   scoped_ptr<base::DictionaryValue> info(
 460       GetInfoForProfileAtIndex(index)->DeepCopy());
 461   info->SetDouble(kActiveTimeKey, base::Time::Now().ToDoubleT());
 462   // This takes ownership of |info|.
 463   SetInfoQuietlyForProfileAtIndex(index, info.release());
 464 }
 465
 466 void ProfileInfoCache::SetNameOfProfileAtIndex(size_t index,
 467                                                const base::string16& name) {
 468   scoped_ptr<base::DictionaryValue> info(
 469       GetInfoForProfileAtIndex(index)->DeepCopy());
 470   base::string16 current_name;
 471   info->GetString(kNameKey, &current_name);
 472   if (name == current_name)
 473     return;
 474
 475   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 476   info->SetString(kNameKey, name);
 477   info->SetBoolean(kIsUsingDefaultName, false);
 478
 479   // This takes ownership of |info|.
 480   SetInfoForProfileAtIndex(index, info.release());
 481   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 482   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 483   UpdateSortForProfileIndex(index);
 484
 485   if (old_display_name != new_display_name) {
 486     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 487                       observer_list_,
 488                       OnProfileNameChanged(profile_path, old_display_name));
 489   }
 490 }
 491
 492 void ProfileInfoCache::SetShortcutNameOfProfileAtIndex(
 493     size_t index,
 494     const base::string16& shortcut_name) {
 495   if (shortcut_name == GetShortcutNameOfProfileAtIndex(index))
 496     return;
 497   scoped_ptr<base::DictionaryValue> info(
 498       GetInfoForProfileAtIndex(index)->DeepCopy());
 499   info->SetString(kShortcutNameKey, shortcut_name);
 500   // This takes ownership of |info|.
 501   SetInfoForProfileAtIndex(index, info.release());
 502 }
 503
 504 void ProfileInfoCache::SetUserNameOfProfileAtIndex(
 505     size_t index,
 506     const base::string16& user_name) {
 507   if (user_name == GetUserNameOfProfileAtIndex(index))
 508     return;
 509
 510   scoped_ptr<base::DictionaryValue> info(
 511       GetInfoForProfileAtIndex(index)->DeepCopy());
 512   info->SetString(kUserNameKey, user_name);
 513   // This takes ownership of |info|.
 514   SetInfoForProfileAtIndex(index, info.release());
 515 }
 516
 517 void ProfileInfoCache::SetAvatarIconOfProfileAtIndex(size_t index,
 518                                                      size_t icon_index) {
 519   scoped_ptr<base::DictionaryValue> info(
 520       GetInfoForProfileAtIndex(index)->DeepCopy());
 521   info->SetString(kAvatarIconKey,
 522       profiles::GetDefaultAvatarIconUrl(icon_index));
 523   // This takes ownership of |info|.
 524   SetInfoForProfileAtIndex(index, info.release());
 525
 526   // If needed, start downloading the high-res avatar.
 527   if (switches::IsNewAvatarMenu())
 528     DownloadHighResAvatar(icon_index, GetPathOfProfileAtIndex(index));
 529
 530   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 531   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 532                     observer_list_,
 533                     OnProfileAvatarChanged(profile_path));
 534 }
 535
 536 void ProfileInfoCache::SetIsOmittedProfileAtIndex(size_t index,
 537                                                   bool is_omitted) {
 538   if (IsOmittedProfileAtIndex(index) == is_omitted)
 539     return;
 540   scoped_ptr<base::DictionaryValue> info(
 541       GetInfoForProfileAtIndex(index)->DeepCopy());
 542   info->SetBoolean(kIsOmittedFromProfileListKey, is_omitted);
 543   // This takes ownership of |info|.
 544   SetInfoForProfileAtIndex(index, info.release());
 545 }
 546
 547 void ProfileInfoCache::SetSupervisedUserIdOfProfileAtIndex(
 548     size_t index,
 549     const std::string& id) {
 550   if (GetSupervisedUserIdOfProfileAtIndex(index) == id)
 551     return;
 552   scoped_ptr<base::DictionaryValue> info(
 553       GetInfoForProfileAtIndex(index)->DeepCopy());
 554   info->SetString(kSupervisedUserId, id);
 555   // This takes ownership of |info|.
 556   SetInfoForProfileAtIndex(index, info.release());
 557
 558   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 559   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 560                     observer_list_,
 561                     OnProfileSupervisedUserIdChanged(profile_path));
 562 }
 563
 564 void ProfileInfoCache::SetLocalAuthCredentialsOfProfileAtIndex(
 565     size_t index,
 566     const std::string& credentials) {
 567   scoped_ptr<base::DictionaryValue> info(
 568       GetInfoForProfileAtIndex(index)->DeepCopy());
 569   info->SetString(kAuthCredentialsKey, credentials);
 570   // This takes ownership of |info|.
 571   SetInfoForProfileAtIndex(index, info.release());
 572 }
 573
 574 void ProfileInfoCache::SetBackgroundStatusOfProfileAtIndex(
 575     size_t index,
 576     bool running_background_apps) {
 577   if (GetBackgroundStatusOfProfileAtIndex(index) == running_background_apps)
 578     return;
 579   scoped_ptr<base::DictionaryValue> info(
 580       GetInfoForProfileAtIndex(index)->DeepCopy());
 581   info->SetBoolean(kBackgroundAppsKey, running_background_apps);
 582   // This takes ownership of |info|.
 583   SetInfoForProfileAtIndex(index, info.release());
 584 }
 585
 586 void ProfileInfoCache::SetGAIANameOfProfileAtIndex(size_t index,
 587                                                    const base::string16& name) {
 588   if (name == GetGAIANameOfProfileAtIndex(index))
 589     return;
 590
 591   base::string16 old_display_name = GetNameOfProfileAtIndex(index);
 592   scoped_ptr<base::DictionaryValue> info(
 593       GetInfoForProfileAtIndex(index)->DeepCopy());
 594   info->SetString(kGAIANameKey, name);
 595   // This takes ownership of |info|.
 596   SetInfoForProfileAtIndex(index, info.release());
 597   base::string16 new_display_name = GetNameOfProfileAtIndex(index);
 598   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 599   UpdateSortForProfileIndex(index);
 600
 601   if (old_display_name != new_display_name) {
 602     FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 603                       observer_list_,
 604                       OnProfileNameChanged(profile_path, old_display_name));
 605   }
 606 }
 607
 608 void ProfileInfoCache::SetGAIAGivenNameOfProfileAtIndex(
 609     size_t index,
 610     const base::string16& name) {
 611   if (name == GetGAIAGivenNameOfProfileAtIndex(index))
 612     return;
 613
 614   scoped_ptr<base::DictionaryValue> info(
 615       GetInfoForProfileAtIndex(index)->DeepCopy());
 616   info->SetString(kGAIAGivenNameKey, name);
 617   // This takes ownership of |info|.
 618   SetInfoForProfileAtIndex(index, info.release());
 619 }
 620
 621 void ProfileInfoCache::SetGAIAPictureOfProfileAtIndex(size_t index,
 622                                                       const gfx::Image* image) {
 623   base::FilePath path = GetPathOfProfileAtIndex(index);
 624   std::string key = CacheKeyFromProfilePath(path);
 625
 626   // Delete the old bitmap from cache.
 627   std::map<std::string, gfx::Image*>::iterator it =
 628       cached_avatar_images_.find(key);
 629   if (it != cached_avatar_images_.end()) {
 630     delete it->second;
 631     cached_avatar_images_.erase(it);
 632   }
 633
 634   std::string old_file_name;
 635   GetInfoForProfileAtIndex(index)->GetString(
 636       kGAIAPictureFileNameKey, &old_file_name);
 637   std::string new_file_name;
 638
 639   if (!image) {
 640     // Delete the old bitmap from disk.
 641     if (!old_file_name.empty()) {
 642       base::FilePath image_path = path.AppendASCII(old_file_name);
 643       BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 644                               base::Bind(&DeleteBitmap, image_path));
 645     }
 646   } else {
 647     // Save the new bitmap to disk.
 648     new_file_name =
 649         old_file_name.empty() ? profiles::kGAIAPictureFileName : old_file_name;
 650     base::FilePath image_path = path.AppendASCII(new_file_name);
 651     SaveAvatarImageAtPath(
 652         image, key, image_path, GetPathOfProfileAtIndex(index));
 653   }
 654
 655   scoped_ptr<base::DictionaryValue> info(
 656       GetInfoForProfileAtIndex(index)->DeepCopy());
 657   info->SetString(kGAIAPictureFileNameKey, new_file_name);
 658   // This takes ownership of |info|.
 659   SetInfoForProfileAtIndex(index, info.release());
 660
 661   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 662                     observer_list_,
 663                     OnProfileAvatarChanged(path));
 664 }
 665
 666 void ProfileInfoCache::SetIsUsingGAIAPictureOfProfileAtIndex(size_t index,
 667                                                              bool value) {
 668   scoped_ptr<base::DictionaryValue> info(
 669       GetInfoForProfileAtIndex(index)->DeepCopy());
 670   info->SetBoolean(kUseGAIAPictureKey, value);
 671   // This takes ownership of |info|.
 672   SetInfoForProfileAtIndex(index, info.release());
 673
 674   // Retrieve some info to update observers who care about avatar changes.
 675   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 676   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 677                     observer_list_,
 678                     OnProfileAvatarChanged(profile_path));
 679 }
 680
 681 void ProfileInfoCache::SetProfileSigninRequiredAtIndex(size_t index,
 682                                                        bool value) {
 683   if (value == ProfileIsSigninRequiredAtIndex(index))
 684     return;
 685
 686   scoped_ptr<base::DictionaryValue> info(
 687       GetInfoForProfileAtIndex(index)->DeepCopy());
 688   info->SetBoolean(kSigninRequiredKey, value);
 689   // This takes ownership of |info|.
 690   SetInfoForProfileAtIndex(index, info.release());
 691
 692   base::FilePath profile_path = GetPathOfProfileAtIndex(index);
 693   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
 694                     observer_list_,
 695                     OnProfileSigninRequiredChanged(profile_path));
 696 }
 697
 698 void ProfileInfoCache::SetProfileIsEphemeralAtIndex(size_t index, bool value) {
 699   if (value == ProfileIsEphemeralAtIndex(index))
 700     return;
 701
 702   scoped_ptr<base::DictionaryValue> info(
 703       GetInfoForProfileAtIndex(index)->DeepCopy());
 704   info->SetBoolean(kProfileIsEphemeral, value);
 705   // This takes ownership of |info|.
 706   SetInfoForProfileAtIndex(index, info.release());
 707 }
 708
 709 void ProfileInfoCache::SetProfileIsUsingDefaultNameAtIndex(
 710     size_t index, bool value) {
 711   if (value == ProfileIsUsingDefaultNameAtIndex(index))
 712     return;
 713
 714   scoped_ptr<base::DictionaryValue> info(
 715       GetInfoForProfileAtIndex(index)->DeepCopy());
 716   info->SetBoolean(kIsUsingDefaultName, value);
 717   // This takes ownership of |info|.
 718   SetInfoForProfileAtIndex(index, info.release());
 719 }
 720
 721 base::string16 ProfileInfoCache::ChooseNameForNewProfile(
 722     size_t icon_index) const {
 723   base::string16 name;
 724   for (int name_index = 1; ; ++name_index) {
 725     if (switches::IsNewProfileManagement()) {
 726       name = l10n_util::GetStringFUTF16Int(IDS_NEW_NUMBERED_PROFILE_NAME,
 727                                            name_index);
 728     } else if (icon_index < profiles::GetGenericAvatarIconCount()) {
 729       name = l10n_util::GetStringFUTF16Int(IDS_NUMBERED_PROFILE_NAME,
 730                                            name_index);
 731     } else {
 732       name = l10n_util::GetStringUTF16(
 733           kDefaultNames[icon_index - profiles::GetGenericAvatarIconCount()]);
 734       if (name_index > 1)
 735         name.append(base::UTF8ToUTF16(base::IntToString(name_index)));
 736     }
 737
 738     // Loop through previously named profiles to ensure we're not duplicating.
 739     bool name_found = false;
 740     for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 741       if (GetNameOfProfileAtIndex(i) == name) {
 742         name_found = true;
 743         break;
 744       }
 745     }
 746     if (!name_found)
 747       return name;
 748   }
 749 }
 750
 751 size_t ProfileInfoCache::ChooseAvatarIconIndexForNewProfile() const {
 752   size_t icon_index = 0;
 753   // Try to find a unique, non-generic icon.
 754   if (ChooseAvatarIconIndexForNewProfile(false, true, &icon_index))
 755     return icon_index;
 756   // Try to find any unique icon.
 757   if (ChooseAvatarIconIndexForNewProfile(true, true, &icon_index))
 758     return icon_index;
 759   // Settle for any random icon, even if it's not unique.
 760   if (ChooseAvatarIconIndexForNewProfile(true, false, &icon_index))
 761     return icon_index;
 762
 763   NOTREACHED();
 764   return 0;
 765 }
 766
 767 const base::FilePath& ProfileInfoCache::GetUserDataDir() const {
 768   return user_data_dir_;
 769 }
 770
 771 // static
 772 std::vector<base::string16> ProfileInfoCache::GetProfileNames() {
 773   std::vector<base::string16> names;
 774   PrefService* local_state = g_browser_process->local_state();
 775   const base::DictionaryValue* cache = local_state->GetDictionary(
 776       prefs::kProfileInfoCache);
 777   base::string16 name;
 778   for (base::DictionaryValue::Iterator it(*cache); !it.IsAtEnd();
 779        it.Advance()) {
 780     const base::DictionaryValue* info = NULL;
 781     it.value().GetAsDictionary(&info);
 782     info->GetString(kNameKey, &name);
 783     names.push_back(name);
 784   }
 785   return names;
 786 }
 787
 788 // static
 789 void ProfileInfoCache::RegisterPrefs(PrefRegistrySimple* registry) {
 790   registry->RegisterDictionaryPref(prefs::kProfileInfoCache);
 791 }
 792
 793 void ProfileInfoCache::DownloadHighResAvatar(
 794     size_t icon_index,
 795     const base::FilePath& profile_path) {
 796   // TODO(noms): We should check whether the file already exists on disk
 797   // before trying to re-download it. For now, since this is behind a flag and
 798   // the resources are still changing, re-download it every time the profile
 799   // avatar changes, to make sure we have the latest copy.
 800   std::string file_name = profiles::GetDefaultAvatarIconFileNameAtIndex(
 801       icon_index);
 802   // If the file is already being downloaded, don't start another download.
 803   if (avatar_images_downloads_in_progress_[file_name])
 804     return;
 805
 806   // Start the download for this file. The cache takes ownership of the
 807   // |avatar_downloader|, which will be deleted when the download completes, or
 808   // if that never happens, when the ProfileInfoCache is destroyed.
 809   ProfileAvatarDownloader* avatar_downloader = new ProfileAvatarDownloader(
 810       icon_index,
 811       profile_path,
 812       this);
 813   avatar_images_downloads_in_progress_[file_name] = avatar_downloader;
 814   avatar_downloader->Start();
 815 }
 816
 817 void ProfileInfoCache::SaveAvatarImageAtPath(
 818     const gfx::Image* image,
 819     const std::string& key,
 820     const base::FilePath& image_path,
 821     const base::FilePath& profile_path) {
 822   cached_avatar_images_[key] = new gfx::Image(*image);
 823
 824   scoped_ptr<ImageData> data(new ImageData);
 825   scoped_refptr<base::RefCountedMemory> png_data = image->As1xPNGBytes();
 826   data->assign(png_data->front(), png_data->front() + png_data->size());
 827
 828   if (!data->size()) {
 829     LOG(ERROR) << "Failed to PNG encode the image.";
 830   } else {
 831     base::Closure callback = base::Bind(&ProfileInfoCache::OnAvatarPictureSaved,
 832         AsWeakPtr(), key, profile_path);
 833
 834     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 835         base::Bind(&SaveBitmap, base::Passed(&data), image_path, callback));
 836   }
 837 }
 838
 839 const base::DictionaryValue* ProfileInfoCache::GetInfoForProfileAtIndex(
 840     size_t index) const {
 841   DCHECK_LT(index, GetNumberOfProfiles());
 842   const base::DictionaryValue* cache =
 843       prefs_->GetDictionary(prefs::kProfileInfoCache);
 844   const base::DictionaryValue* info = NULL;
 845   cache->GetDictionaryWithoutPathExpansion(sorted_keys_[index], &info);
 846   return info;
 847 }
 848
 849 void ProfileInfoCache::SetInfoQuietlyForProfileAtIndex(
 850     size_t index, base::DictionaryValue* info) {
 851   DictionaryPrefUpdate update(prefs_, prefs::kProfileInfoCache);
 852   base::DictionaryValue* cache = update.Get();
 853   cache->SetWithoutPathExpansion(sorted_keys_[index], info);
 854 }
 855
 856 // TODO(noms): Switch to newer notification system.
 857 void ProfileInfoCache::SetInfoForProfileAtIndex(size_t index,
 858                                                 base::DictionaryValue* info) {
 859   SetInfoQuietlyForProfileAtIndex(index, info);
 860
 861   content::NotificationService::current()->Notify(
 862       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 863       content::NotificationService::AllSources(),
 864       content::NotificationService::NoDetails());
 865 }
 866
 867 std::string ProfileInfoCache::CacheKeyFromProfilePath(
 868     const base::FilePath& profile_path) const {
 869   DCHECK(user_data_dir_ == profile_path.DirName());
 870   base::FilePath base_name = profile_path.BaseName();
 871   return base_name.MaybeAsASCII();
 872 }
 873
 874 std::vector<std::string>::iterator ProfileInfoCache::FindPositionForProfile(
 875     const std::string& search_key,
 876     const base::string16& search_name) {
 877   base::string16 search_name_l = base::i18n::ToLower(search_name);
 878   for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 879     base::string16 name_l = base::i18n::ToLower(GetNameOfProfileAtIndex(i));
 880     int name_compare = search_name_l.compare(name_l);
 881     if (name_compare < 0)
 882       return sorted_keys_.begin() + i;
 883     if (name_compare == 0) {
 884       int key_compare = search_key.compare(sorted_keys_[i]);
 885       if (key_compare < 0)
 886         return sorted_keys_.begin() + i;
 887     }
 888   }
 889   return sorted_keys_.end();
 890 }
 891
 892 bool ProfileInfoCache::IconIndexIsUnique(size_t icon_index) const {
 893   for (size_t i = 0; i < GetNumberOfProfiles(); ++i) {
 894     if (GetAvatarIconIndexOfProfileAtIndex(i) == icon_index)
 895       return false;
 896   }
 897   return true;
 898 }
 899
 900 bool ProfileInfoCache::ChooseAvatarIconIndexForNewProfile(
 901     bool allow_generic_icon,
 902     bool must_be_unique,
 903     size_t* out_icon_index) const {
 904   // Always allow all icons for new profiles if using the
 905   // --new-profile-management flag.
 906   if (switches::IsNewProfileManagement())
 907     allow_generic_icon = true;
 908   size_t start = allow_generic_icon ? 0 : profiles::GetGenericAvatarIconCount();
 909   size_t end = profiles::GetDefaultAvatarIconCount();
 910   size_t count = end - start;
 911
 912   int rand = base::RandInt(0, count);
 913   for (size_t i = 0; i < count; ++i) {
 914     size_t icon_index = start + (rand + i) %  count;
 915     if (!must_be_unique || IconIndexIsUnique(icon_index)) {
 916       *out_icon_index = icon_index;
 917       return true;
 918     }
 919   }
 920
 921   return false;
 922 }
 923
 924 void ProfileInfoCache::UpdateSortForProfileIndex(size_t index) {
 925   base::string16 name = GetNameOfProfileAtIndex(index);
 926
 927   // Remove and reinsert key in |sorted_keys_| to alphasort.
 928   std::string key = CacheKeyFromProfilePath(GetPathOfProfileAtIndex(index));
 929   std::vector<std::string>::iterator key_it =
 930       std::find(sorted_keys_.begin(), sorted_keys_.end(), key);
 931   DCHECK(key_it != sorted_keys_.end());
 932   sorted_keys_.erase(key_it);
 933   sorted_keys_.insert(FindPositionForProfile(key, name), key);
 934
 935   content::NotificationService::current()->Notify(
 936       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 937       content::NotificationService::AllSources(),
 938       content::NotificationService::NoDetails());
 939 }
 940
 941 const gfx::Image* ProfileInfoCache::GetHighResAvatarOfProfileAtIndex(
 942     size_t index) const {
 943   int avatar_index = GetAvatarIconIndexOfProfileAtIndex(index);
 944   std::string key = profiles::GetDefaultAvatarIconFileNameAtIndex(avatar_index);
 945
 946   if (!strcmp(key.c_str(), profiles::GetNoHighResAvatarFileName()))
 947       return NULL;
 948
 949   base::FilePath image_path =
 950       profiles::GetPathOfHighResAvatarAtIndex(avatar_index);
 951   return LoadAvatarPictureFromPath(key, image_path);
 952 }
 953
 954 const gfx::Image* ProfileInfoCache::LoadAvatarPictureFromPath(
 955     const std::string& key,
 956     const base::FilePath& image_path) const {
 957   // If the picture is already loaded then use it.
 958   if (cached_avatar_images_.count(key)) {
 959     if (cached_avatar_images_[key]->IsEmpty())
 960       return NULL;
 961     return cached_avatar_images_[key];
 962   }
 963
 964   // If the picture is already being loaded then don't try loading it again.
 965   if (cached_avatar_images_loading_[key])
 966     return NULL;
 967   cached_avatar_images_loading_[key] = true;
 968
 969   gfx::Image** image = new gfx::Image*;
 970   BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE,
 971       base::Bind(&ReadBitmap, image_path, image),
 972       base::Bind(&ProfileInfoCache::OnAvatarPictureLoaded,
 973           const_cast<ProfileInfoCache*>(this)->AsWeakPtr(), key, image));
 974   return NULL;
 975 }
 976
 977 void ProfileInfoCache::OnAvatarPictureLoaded(const std::string& key,
 978                                              gfx::Image** image) const {
 979   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 980
 981   cached_avatar_images_loading_[key] = false;
 982   delete cached_avatar_images_[key];
 983
 984   if (*image) {
 985     cached_avatar_images_[key] = *image;
 986   } else {
 987     // Place an empty image in the cache to avoid reloading it again.
 988     cached_avatar_images_[key] = new gfx::Image();
 989   }
 990   delete image;
 991
 992   content::NotificationService::current()->Notify(
 993       chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 994       content::NotificationService::AllSources(),
 995       content::NotificationService::NoDetails());
 996 }
 997
 998 void ProfileInfoCache::OnAvatarPictureSaved(
 999       const std::string& file_name,
1000       const base::FilePath& profile_path) {
1001   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1002
1003   content::NotificationService::current()->Notify(
1004       chrome::NOTIFICATION_PROFILE_CACHE_PICTURE_SAVED,
1005       content::NotificationService::AllSources(),
1006       content::NotificationService::NoDetails());
1007
1008   FOR_EACH_OBSERVER(ProfileInfoCacheObserver,
1009                     observer_list_,
1010                     OnProfileAvatarChanged(profile_path));
1011
1012   // Remove the file from the list of downloads in progress. Note that this list
1013   // only contains the high resolution avatars, and not the Gaia profile images.
1014   if (!avatar_images_downloads_in_progress_[file_name])
1015     return;
1016
1017   delete avatar_images_downloads_in_progress_[file_name];
1018   avatar_images_downloads_in_progress_[file_name] = NULL;
1019 }