chrome/browser/chromeos/login/default_user_images.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/chromeos/login/default_user_images.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/logging.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "base/strings/string_piece.h"
  11 #include "base/strings/string_util.h"
  12 #include "base/strings/stringprintf.h"
  13 #include "base/sys_info.h"
  14 #include "grit/generated_resources.h"
  15 #include "grit/theme_resources.h"
  16 #include "ui/base/l10n/l10n_util.h"
  17 #include "ui/base/resource/resource_bundle.h"
  18 #include "ui/gfx/image/image_skia.h"
  19
  20 namespace chromeos {
  21
  22 namespace {
  23
  24 const char kDefaultPathPrefix[] = "default:";
  25 const char kDefaultUrlPrefix[] = "chrome://theme/IDR_LOGIN_DEFAULT_USER_";
  26 const char kZeroDefaultUrl[] = "chrome://theme/IDR_LOGIN_DEFAULT_USER";
  27
  28 const char* kOldDefaultImageNames[] = {
  29   "default:gray",
  30   "default:green",
  31   "default:blue",
  32   "default:yellow",
  33   "default:red",
  34 };
  35
  36 // IDs of default user image descriptions.
  37 const int kDefaultImageDescriptions[] = {
  38   0,  // No description for deprecated user image 0.
  39   0,  // No description for deprecated user image 1.
  40   0,  // No description for deprecated user image 2.
  41   0,  // No description for deprecated user image 3.
  42   0,  // No description for deprecated user image 4.
  43   0,  // No description for deprecated user image 5.
  44   0,  // No description for deprecated user image 6.
  45   0,  // No description for deprecated user image 7.
  46   0,  // No description for deprecated user image 8.
  47   0,  // No description for deprecated user image 9.
  48   0,  // No description for deprecated user image 10.
  49   0,  // No description for deprecated user image 11.
  50   0,  // No description for deprecated user image 12.
  51   0,  // No description for deprecated user image 13.
  52   0,  // No description for deprecated user image 14.
  53   0,  // No description for deprecated user image 15.
  54   0,  // No description for deprecated user image 16.
  55   0,  // No description for deprecated user image 17.
  56   0,  // No description for deprecated user image 18.
  57   IDS_LOGIN_DEFAULT_USER_DESC_19,
  58   IDS_LOGIN_DEFAULT_USER_DESC_20,
  59   IDS_LOGIN_DEFAULT_USER_DESC_21,
  60   IDS_LOGIN_DEFAULT_USER_DESC_22,
  61   IDS_LOGIN_DEFAULT_USER_DESC_23,
  62   IDS_LOGIN_DEFAULT_USER_DESC_24,
  63   IDS_LOGIN_DEFAULT_USER_DESC_25,
  64   IDS_LOGIN_DEFAULT_USER_DESC_26,
  65   IDS_LOGIN_DEFAULT_USER_DESC_27,
  66   IDS_LOGIN_DEFAULT_USER_DESC_28,
  67   IDS_LOGIN_DEFAULT_USER_DESC_29,
  68   IDS_LOGIN_DEFAULT_USER_DESC_30,
  69   IDS_LOGIN_DEFAULT_USER_DESC_31,
  70   IDS_LOGIN_DEFAULT_USER_DESC_32,
  71 };
  72
  73 // Returns a string consisting of the prefix specified and the index of the
  74 // image if its valid.
  75 std::string GetDefaultImageString(int index, const std::string& prefix) {
  76   if (index < 0 || index >= kDefaultImagesCount) {
  77     DCHECK(!base::SysInfo::IsRunningOnChromeOS());
  78     return std::string();
  79   }
  80   return base::StringPrintf("%s%d", prefix.c_str(), index);
  81 }
  82
  83 // Returns true if the string specified consists of the prefix and one of
  84 // the default images indices. Returns the index of the image in |image_id|
  85 // variable.
  86 bool IsDefaultImageString(const std::string& s,
  87                           const std::string& prefix,
  88                           int* image_id) {
  89   DCHECK(image_id);
  90   if (!StartsWithASCII(s, prefix, true))
  91     return false;
  92
  93   int image_index = -1;
  94   if (base::StringToInt(base::StringPiece(s.begin() + prefix.length(),
  95                                           s.end()),
  96                         &image_index)) {
  97     if (image_index < 0 || image_index >= kDefaultImagesCount)
  98       return false;
  99     *image_id = image_index;
 100     return true;
 101   }
 102
 103   return false;
 104 }
 105 }  // namespace
 106
 107 std::string GetDefaultImagePath(int index) {
 108   return GetDefaultImageString(index, kDefaultPathPrefix);
 109 }
 110
 111 bool IsDefaultImagePath(const std::string& path, int* image_id) {
 112   if (IsDefaultImageString(path, kDefaultPathPrefix, image_id))
 113     return true;
 114
 115   // Check old default image names for back-compatibility.
 116   for (size_t i = 0; i < arraysize(kOldDefaultImageNames); ++i) {
 117     if (path == kOldDefaultImageNames[i]) {
 118       *image_id = static_cast<int>(i);
 119       return true;
 120     }
 121   }
 122   return false;
 123 }
 124
 125 std::string GetDefaultImageUrl(int index) {
 126   if (index == 0)
 127     return kZeroDefaultUrl;
 128   return GetDefaultImageString(index, kDefaultUrlPrefix);
 129 }
 130
 131 bool IsDefaultImageUrl(const std::string& url, int* image_id) {
 132   if (url == kZeroDefaultUrl) {
 133     *image_id = 0;
 134     return true;
 135   }
 136   return IsDefaultImageString(url, kDefaultUrlPrefix, image_id);
 137 }
 138
 139 const gfx::ImageSkia& GetDefaultImage(int index) {
 140   DCHECK(index >= 0 && index < kDefaultImagesCount);
 141   return *ResourceBundle::GetSharedInstance().
 142       GetImageSkiaNamed(kDefaultImageResourceIDs[index]);
 143 }
 144
 145 base::string16 GetDefaultImageDescription(int index) {
 146   DCHECK(index >= 0 && index < kDefaultImagesCount);
 147   int string_id = kDefaultImageDescriptions[index];
 148   if (string_id)
 149     return l10n_util::GetStringUTF16(string_id);
 150   else
 151     return base::string16();
 152 }
 153
 154 // Resource IDs of default user images.
 155 const int kDefaultImageResourceIDs[] = {
 156   IDR_LOGIN_DEFAULT_USER,
 157   IDR_LOGIN_DEFAULT_USER_1,
 158   IDR_LOGIN_DEFAULT_USER_2,
 159   IDR_LOGIN_DEFAULT_USER_3,
 160   IDR_LOGIN_DEFAULT_USER_4,
 161   IDR_LOGIN_DEFAULT_USER_5,
 162   IDR_LOGIN_DEFAULT_USER_6,
 163   IDR_LOGIN_DEFAULT_USER_7,
 164   IDR_LOGIN_DEFAULT_USER_8,
 165   IDR_LOGIN_DEFAULT_USER_9,
 166   IDR_LOGIN_DEFAULT_USER_10,
 167   IDR_LOGIN_DEFAULT_USER_11,
 168   IDR_LOGIN_DEFAULT_USER_12,
 169   IDR_LOGIN_DEFAULT_USER_13,
 170   IDR_LOGIN_DEFAULT_USER_14,
 171   IDR_LOGIN_DEFAULT_USER_15,
 172   IDR_LOGIN_DEFAULT_USER_16,
 173   IDR_LOGIN_DEFAULT_USER_17,
 174   IDR_LOGIN_DEFAULT_USER_18,
 175   IDR_LOGIN_DEFAULT_USER_19,
 176   IDR_LOGIN_DEFAULT_USER_20,
 177   IDR_LOGIN_DEFAULT_USER_21,
 178   IDR_LOGIN_DEFAULT_USER_22,
 179   IDR_LOGIN_DEFAULT_USER_23,
 180   IDR_LOGIN_DEFAULT_USER_24,
 181   IDR_LOGIN_DEFAULT_USER_25,
 182   IDR_LOGIN_DEFAULT_USER_26,
 183   IDR_LOGIN_DEFAULT_USER_27,
 184   IDR_LOGIN_DEFAULT_USER_28,
 185   IDR_LOGIN_DEFAULT_USER_29,
 186   IDR_LOGIN_DEFAULT_USER_30,
 187   IDR_LOGIN_DEFAULT_USER_31,
 188   IDR_LOGIN_DEFAULT_USER_32,
 189 };
 190
 191 const int kDefaultImageAuthorIDs[] = {
 192   IDS_LOGIN_DEFAULT_USER_AUTHOR,
 193   IDS_LOGIN_DEFAULT_USER_AUTHOR_1,
 194   IDS_LOGIN_DEFAULT_USER_AUTHOR_2,
 195   IDS_LOGIN_DEFAULT_USER_AUTHOR_3,
 196   IDS_LOGIN_DEFAULT_USER_AUTHOR_4,
 197   IDS_LOGIN_DEFAULT_USER_AUTHOR_5,
 198   IDS_LOGIN_DEFAULT_USER_AUTHOR_6,
 199   IDS_LOGIN_DEFAULT_USER_AUTHOR_7,
 200   IDS_LOGIN_DEFAULT_USER_AUTHOR_8,
 201   IDS_LOGIN_DEFAULT_USER_AUTHOR_9,
 202   IDS_LOGIN_DEFAULT_USER_AUTHOR_10,
 203   IDS_LOGIN_DEFAULT_USER_AUTHOR_11,
 204   IDS_LOGIN_DEFAULT_USER_AUTHOR_12,
 205   IDS_LOGIN_DEFAULT_USER_AUTHOR_13,
 206   IDS_LOGIN_DEFAULT_USER_AUTHOR_14,
 207   IDS_LOGIN_DEFAULT_USER_AUTHOR_15,
 208   IDS_LOGIN_DEFAULT_USER_AUTHOR_16,
 209   IDS_LOGIN_DEFAULT_USER_AUTHOR_17,
 210   IDS_LOGIN_DEFAULT_USER_AUTHOR_18,
 211   IDS_LOGIN_DEFAULT_USER_AUTHOR_19,
 212   IDS_LOGIN_DEFAULT_USER_AUTHOR_20,
 213   IDS_LOGIN_DEFAULT_USER_AUTHOR_21,
 214   IDS_LOGIN_DEFAULT_USER_AUTHOR_22,
 215   IDS_LOGIN_DEFAULT_USER_AUTHOR_23,
 216   IDS_LOGIN_DEFAULT_USER_AUTHOR_24,
 217   IDS_LOGIN_DEFAULT_USER_AUTHOR_25,
 218   IDS_LOGIN_DEFAULT_USER_AUTHOR_26,
 219   IDS_LOGIN_DEFAULT_USER_AUTHOR_27,
 220   IDS_LOGIN_DEFAULT_USER_AUTHOR_28,
 221   IDS_LOGIN_DEFAULT_USER_AUTHOR_29,
 222   IDS_LOGIN_DEFAULT_USER_AUTHOR_30,
 223   IDS_LOGIN_DEFAULT_USER_AUTHOR_31,
 224   IDS_LOGIN_DEFAULT_USER_AUTHOR_32,
 225 };
 226
 227 const int kDefaultImageWebsiteIDs[] = {
 228   IDS_LOGIN_DEFAULT_USER_WEBSITE,
 229   IDS_LOGIN_DEFAULT_USER_WEBSITE_1,
 230   IDS_LOGIN_DEFAULT_USER_WEBSITE_2,
 231   IDS_LOGIN_DEFAULT_USER_WEBSITE_3,
 232   IDS_LOGIN_DEFAULT_USER_WEBSITE_4,
 233   IDS_LOGIN_DEFAULT_USER_WEBSITE_5,
 234   IDS_LOGIN_DEFAULT_USER_WEBSITE_6,
 235   IDS_LOGIN_DEFAULT_USER_WEBSITE_7,
 236   IDS_LOGIN_DEFAULT_USER_WEBSITE_8,
 237   IDS_LOGIN_DEFAULT_USER_WEBSITE_9,
 238   IDS_LOGIN_DEFAULT_USER_WEBSITE_10,
 239   IDS_LOGIN_DEFAULT_USER_WEBSITE_11,
 240   IDS_LOGIN_DEFAULT_USER_WEBSITE_12,
 241   IDS_LOGIN_DEFAULT_USER_WEBSITE_13,
 242   IDS_LOGIN_DEFAULT_USER_WEBSITE_14,
 243   IDS_LOGIN_DEFAULT_USER_WEBSITE_15,
 244   IDS_LOGIN_DEFAULT_USER_WEBSITE_16,
 245   IDS_LOGIN_DEFAULT_USER_WEBSITE_17,
 246   IDS_LOGIN_DEFAULT_USER_WEBSITE_18,
 247   IDS_LOGIN_DEFAULT_USER_WEBSITE_19,
 248   IDS_LOGIN_DEFAULT_USER_WEBSITE_20,
 249   IDS_LOGIN_DEFAULT_USER_WEBSITE_21,
 250   IDS_LOGIN_DEFAULT_USER_WEBSITE_22,
 251   IDS_LOGIN_DEFAULT_USER_WEBSITE_23,
 252   IDS_LOGIN_DEFAULT_USER_WEBSITE_24,
 253   IDS_LOGIN_DEFAULT_USER_WEBSITE_25,
 254   IDS_LOGIN_DEFAULT_USER_WEBSITE_26,
 255   IDS_LOGIN_DEFAULT_USER_WEBSITE_27,
 256   IDS_LOGIN_DEFAULT_USER_WEBSITE_28,
 257   IDS_LOGIN_DEFAULT_USER_WEBSITE_29,
 258   IDS_LOGIN_DEFAULT_USER_WEBSITE_30,
 259   IDS_LOGIN_DEFAULT_USER_WEBSITE_31,
 260   IDS_LOGIN_DEFAULT_USER_WEBSITE_32,
 261 };
 262
 263 const int kDefaultImagesCount = arraysize(kDefaultImageResourceIDs);
 264
 265 const int kFirstDefaultImageIndex = 19;
 266
 267 // The order and the values of these constants are important for histograms
 268 // of different Chrome OS versions to be merged smoothly.
 269 const int kHistogramImageFromCamera = 19;
 270 const int kHistogramImageFromFile = 20;
 271 const int kHistogramImageOld = 21;
 272 const int kHistogramImageFromProfile = 22;
 273 const int kHistogramVideoFromCamera = 23;
 274 const int kHistogramVideoFromFile = 24;
 275 const int kHistogramImagesCount = kDefaultImagesCount + 6;
 276
 277 int GetDefaultImageHistogramValue(int index) {
 278   DCHECK(index >= 0 && index < kDefaultImagesCount);
 279   // Create a gap in histogram values for
 280   // [kHistogramImageFromCamera..kHistogramImageFromProfile] block to fit.
 281   if (index < kHistogramImageFromCamera)
 282     return index;
 283   return index + 6;
 284 }
 285
 286 }  // namespace chromeos