components/user_manager/user_image/default_user_images.cc

   1 // Copyright 2014 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 "components/user_manager/user_image/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/ui_chromeos_resources.h"
  15 #include "grit/ui_chromeos_strings.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 user_manager {
  21
  22 namespace {
  23
  24 const char kDefaultUrlPrefix[] = "chrome://theme/IDR_LOGIN_DEFAULT_USER_";
  25 const char kZeroDefaultUrl[] = "chrome://theme/IDR_LOGIN_DEFAULT_USER";
  26
  27 // IDs of default user image descriptions.
  28 const int kDefaultImageDescriptions[] = {
  29     0,  // No description for deprecated user image 0.
  30     0,  // No description for deprecated user image 1.
  31     0,  // No description for deprecated user image 2.
  32     0,  // No description for deprecated user image 3.
  33     0,  // No description for deprecated user image 4.
  34     0,  // No description for deprecated user image 5.
  35     0,  // No description for deprecated user image 6.
  36     0,  // No description for deprecated user image 7.
  37     0,  // No description for deprecated user image 8.
  38     0,  // No description for deprecated user image 9.
  39     0,  // No description for deprecated user image 10.
  40     0,  // No description for deprecated user image 11.
  41     0,  // No description for deprecated user image 12.
  42     0,  // No description for deprecated user image 13.
  43     0,  // No description for deprecated user image 14.
  44     0,  // No description for deprecated user image 15.
  45     0,  // No description for deprecated user image 16.
  46     0,  // No description for deprecated user image 17.
  47     0,  // No description for deprecated user image 18.
  48     IDS_LOGIN_DEFAULT_USER_DESC_19,
  49     IDS_LOGIN_DEFAULT_USER_DESC_20,
  50     IDS_LOGIN_DEFAULT_USER_DESC_21,
  51     IDS_LOGIN_DEFAULT_USER_DESC_22,
  52     IDS_LOGIN_DEFAULT_USER_DESC_23,
  53     IDS_LOGIN_DEFAULT_USER_DESC_24,
  54     IDS_LOGIN_DEFAULT_USER_DESC_25,
  55     IDS_LOGIN_DEFAULT_USER_DESC_26,
  56     IDS_LOGIN_DEFAULT_USER_DESC_27,
  57     IDS_LOGIN_DEFAULT_USER_DESC_28,
  58     IDS_LOGIN_DEFAULT_USER_DESC_29,
  59     IDS_LOGIN_DEFAULT_USER_DESC_30,
  60     IDS_LOGIN_DEFAULT_USER_DESC_31,
  61     IDS_LOGIN_DEFAULT_USER_DESC_32,
  62 };
  63
  64 // Returns a string consisting of the prefix specified and the index of the
  65 // image if its valid.
  66 std::string GetDefaultImageString(int index, const std::string& prefix) {
  67   if (index < 0 || index >= kDefaultImagesCount) {
  68     DCHECK(!base::SysInfo::IsRunningOnChromeOS());
  69     return std::string();
  70   }
  71   return base::StringPrintf("%s%d", prefix.c_str(), index);
  72 }
  73
  74 // Returns true if the string specified consists of the prefix and one of
  75 // the default images indices. Returns the index of the image in |image_id|
  76 // variable.
  77 bool IsDefaultImageString(const std::string& s,
  78                           const std::string& prefix,
  79                           int* image_id) {
  80   DCHECK(image_id);
  81   if (!StartsWithASCII(s, prefix, true))
  82     return false;
  83
  84   int image_index = -1;
  85   if (base::StringToInt(base::StringPiece(s.begin() + prefix.length(), s.end()),
  86                         &image_index)) {
  87     if (image_index < 0 || image_index >= kDefaultImagesCount)
  88       return false;
  89     *image_id = image_index;
  90     return true;
  91   }
  92
  93   return false;
  94 }
  95 }  // namespace
  96
  97 std::string GetDefaultImageUrl(int index) {
  98   if (index == 0)
  99     return kZeroDefaultUrl;
 100   return GetDefaultImageString(index, kDefaultUrlPrefix);
 101 }
 102
 103 bool IsDefaultImageUrl(const std::string& url, int* image_id) {
 104   if (url == kZeroDefaultUrl) {
 105     *image_id = 0;
 106     return true;
 107   }
 108   return IsDefaultImageString(url, kDefaultUrlPrefix, image_id);
 109 }
 110
 111 const gfx::ImageSkia& GetDefaultImage(int index) {
 112   DCHECK(index >= 0 && index < kDefaultImagesCount);
 113   return *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
 114       kDefaultImageResourceIDs[index]);
 115 }
 116
 117 base::string16 GetDefaultImageDescription(int index) {
 118   DCHECK(index >= 0 && index < kDefaultImagesCount);
 119   int string_id = kDefaultImageDescriptions[index];
 120   if (string_id)
 121     return l10n_util::GetStringUTF16(string_id);
 122   else
 123     return base::string16();
 124 }
 125
 126 // Resource IDs of default user images.
 127 const int kDefaultImageResourceIDs[] = {
 128     IDR_LOGIN_DEFAULT_USER,
 129     IDR_LOGIN_DEFAULT_USER_1,
 130     IDR_LOGIN_DEFAULT_USER_2,
 131     IDR_LOGIN_DEFAULT_USER_3,
 132     IDR_LOGIN_DEFAULT_USER_4,
 133     IDR_LOGIN_DEFAULT_USER_5,
 134     IDR_LOGIN_DEFAULT_USER_6,
 135     IDR_LOGIN_DEFAULT_USER_7,
 136     IDR_LOGIN_DEFAULT_USER_8,
 137     IDR_LOGIN_DEFAULT_USER_9,
 138     IDR_LOGIN_DEFAULT_USER_10,
 139     IDR_LOGIN_DEFAULT_USER_11,
 140     IDR_LOGIN_DEFAULT_USER_12,
 141     IDR_LOGIN_DEFAULT_USER_13,
 142     IDR_LOGIN_DEFAULT_USER_14,
 143     IDR_LOGIN_DEFAULT_USER_15,
 144     IDR_LOGIN_DEFAULT_USER_16,
 145     IDR_LOGIN_DEFAULT_USER_17,
 146     IDR_LOGIN_DEFAULT_USER_18,
 147     IDR_LOGIN_DEFAULT_USER_19,
 148     IDR_LOGIN_DEFAULT_USER_20,
 149     IDR_LOGIN_DEFAULT_USER_21,
 150     IDR_LOGIN_DEFAULT_USER_22,
 151     IDR_LOGIN_DEFAULT_USER_23,
 152     IDR_LOGIN_DEFAULT_USER_24,
 153     IDR_LOGIN_DEFAULT_USER_25,
 154     IDR_LOGIN_DEFAULT_USER_26,
 155     IDR_LOGIN_DEFAULT_USER_27,
 156     IDR_LOGIN_DEFAULT_USER_28,
 157     IDR_LOGIN_DEFAULT_USER_29,
 158     IDR_LOGIN_DEFAULT_USER_30,
 159     IDR_LOGIN_DEFAULT_USER_31,
 160     IDR_LOGIN_DEFAULT_USER_32,
 161 };
 162
 163 const int kDefaultImageAuthorIDs[] = {
 164     IDS_LOGIN_DEFAULT_USER_AUTHOR,
 165     IDS_LOGIN_DEFAULT_USER_AUTHOR_1,
 166     IDS_LOGIN_DEFAULT_USER_AUTHOR_2,
 167     IDS_LOGIN_DEFAULT_USER_AUTHOR_3,
 168     IDS_LOGIN_DEFAULT_USER_AUTHOR_4,
 169     IDS_LOGIN_DEFAULT_USER_AUTHOR_5,
 170     IDS_LOGIN_DEFAULT_USER_AUTHOR_6,
 171     IDS_LOGIN_DEFAULT_USER_AUTHOR_7,
 172     IDS_LOGIN_DEFAULT_USER_AUTHOR_8,
 173     IDS_LOGIN_DEFAULT_USER_AUTHOR_9,
 174     IDS_LOGIN_DEFAULT_USER_AUTHOR_10,
 175     IDS_LOGIN_DEFAULT_USER_AUTHOR_11,
 176     IDS_LOGIN_DEFAULT_USER_AUTHOR_12,
 177     IDS_LOGIN_DEFAULT_USER_AUTHOR_13,
 178     IDS_LOGIN_DEFAULT_USER_AUTHOR_14,
 179     IDS_LOGIN_DEFAULT_USER_AUTHOR_15,
 180     IDS_LOGIN_DEFAULT_USER_AUTHOR_16,
 181     IDS_LOGIN_DEFAULT_USER_AUTHOR_17,
 182     IDS_LOGIN_DEFAULT_USER_AUTHOR_18,
 183     IDS_LOGIN_DEFAULT_USER_AUTHOR_19,
 184     IDS_LOGIN_DEFAULT_USER_AUTHOR_20,
 185     IDS_LOGIN_DEFAULT_USER_AUTHOR_21,
 186     IDS_LOGIN_DEFAULT_USER_AUTHOR_22,
 187     IDS_LOGIN_DEFAULT_USER_AUTHOR_23,
 188     IDS_LOGIN_DEFAULT_USER_AUTHOR_24,
 189     IDS_LOGIN_DEFAULT_USER_AUTHOR_25,
 190     IDS_LOGIN_DEFAULT_USER_AUTHOR_26,
 191     IDS_LOGIN_DEFAULT_USER_AUTHOR_27,
 192     IDS_LOGIN_DEFAULT_USER_AUTHOR_28,
 193     IDS_LOGIN_DEFAULT_USER_AUTHOR_29,
 194     IDS_LOGIN_DEFAULT_USER_AUTHOR_30,
 195     IDS_LOGIN_DEFAULT_USER_AUTHOR_31,
 196     IDS_LOGIN_DEFAULT_USER_AUTHOR_32,
 197 };
 198
 199 const int kDefaultImageWebsiteIDs[] = {
 200     IDS_LOGIN_DEFAULT_USER_WEBSITE,
 201     IDS_LOGIN_DEFAULT_USER_WEBSITE_1,
 202     IDS_LOGIN_DEFAULT_USER_WEBSITE_2,
 203     IDS_LOGIN_DEFAULT_USER_WEBSITE_3,
 204     IDS_LOGIN_DEFAULT_USER_WEBSITE_4,
 205     IDS_LOGIN_DEFAULT_USER_WEBSITE_5,
 206     IDS_LOGIN_DEFAULT_USER_WEBSITE_6,
 207     IDS_LOGIN_DEFAULT_USER_WEBSITE_7,
 208     IDS_LOGIN_DEFAULT_USER_WEBSITE_8,
 209     IDS_LOGIN_DEFAULT_USER_WEBSITE_9,
 210     IDS_LOGIN_DEFAULT_USER_WEBSITE_10,
 211     IDS_LOGIN_DEFAULT_USER_WEBSITE_11,
 212     IDS_LOGIN_DEFAULT_USER_WEBSITE_12,
 213     IDS_LOGIN_DEFAULT_USER_WEBSITE_13,
 214     IDS_LOGIN_DEFAULT_USER_WEBSITE_14,
 215     IDS_LOGIN_DEFAULT_USER_WEBSITE_15,
 216     IDS_LOGIN_DEFAULT_USER_WEBSITE_16,
 217     IDS_LOGIN_DEFAULT_USER_WEBSITE_17,
 218     IDS_LOGIN_DEFAULT_USER_WEBSITE_18,
 219     IDS_LOGIN_DEFAULT_USER_WEBSITE_19,
 220     IDS_LOGIN_DEFAULT_USER_WEBSITE_20,
 221     IDS_LOGIN_DEFAULT_USER_WEBSITE_21,
 222     IDS_LOGIN_DEFAULT_USER_WEBSITE_22,
 223     IDS_LOGIN_DEFAULT_USER_WEBSITE_23,
 224     IDS_LOGIN_DEFAULT_USER_WEBSITE_24,
 225     IDS_LOGIN_DEFAULT_USER_WEBSITE_25,
 226     IDS_LOGIN_DEFAULT_USER_WEBSITE_26,
 227     IDS_LOGIN_DEFAULT_USER_WEBSITE_27,
 228     IDS_LOGIN_DEFAULT_USER_WEBSITE_28,
 229     IDS_LOGIN_DEFAULT_USER_WEBSITE_29,
 230     IDS_LOGIN_DEFAULT_USER_WEBSITE_30,
 231     IDS_LOGIN_DEFAULT_USER_WEBSITE_31,
 232     IDS_LOGIN_DEFAULT_USER_WEBSITE_32,
 233 };
 234
 235 const int kDefaultImagesCount = arraysize(kDefaultImageResourceIDs);
 236
 237 const int kFirstDefaultImageIndex = 19;
 238
 239 // The order and the values of these constants are important for histograms
 240 // of different Chrome OS versions to be merged smoothly.
 241 const int kHistogramImageFromCamera = 19;
 242 const int kHistogramImageFromFile = 20;
 243 const int kHistogramImageOld = 21;
 244 const int kHistogramImageFromProfile = 22;
 245 const int kHistogramVideoFromCamera = 23;
 246 const int kHistogramVideoFromFile = 24;
 247 const int kHistogramImagesCount = kDefaultImagesCount + 6;
 248
 249 int GetDefaultImageHistogramValue(int index) {
 250   DCHECK(index >= 0 && index < kDefaultImagesCount);
 251   // Create a gap in histogram values for
 252   // [kHistogramImageFromCamera..kHistogramImageFromProfile] block to fit.
 253   if (index < kHistogramImageFromCamera)
 254     return index;
 255   return index + 6;
 256 }
 257
 258 }  // namespace user_manager