src/chrome/browser/ui/webui/options/chromeos/change_picture_options_handler.cc

   1 // Copyright (c) 2013 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/ui/webui/options/chromeos/change_picture_options_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/command_line.h"
  10 #include "base/metrics/histogram.h"
  11 #include "base/path_service.h"
  12 #include "base/strings/string_util.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "base/values.h"
  15 #include "chrome/browser/chrome_notification_types.h"
  16 #include "chrome/browser/chromeos/camera_detector.h"
  17 #include "chrome/browser/chromeos/login/default_user_images.h"
  18 #include "chrome/browser/chromeos/login/user_image.h"
  19 #include "chrome/browser/chromeos/login/user_image_manager.h"
  20 #include "chrome/browser/chromeos/login/user_manager.h"
  21 #include "chrome/browser/ui/browser_finder.h"
  22 #include "chrome/browser/ui/browser_window.h"
  23 #include "chrome/browser/ui/chrome_select_file_policy.h"
  24 #include "chrome/common/chrome_paths.h"
  25 #include "chrome/common/chrome_switches.h"
  26 #include "chrome/common/url_constants.h"
  27 #include "content/public/browser/browser_thread.h"
  28 #include "content/public/browser/notification_service.h"
  29 #include "content/public/browser/web_ui.h"
  30 #include "content/public/common/url_constants.h"
  31 #include "grit/generated_resources.h"
  32 #include "grit/theme_resources.h"
  33 #include "net/base/data_url.h"
  34 #include "ui/base/l10n/l10n_util.h"
  35 #include "ui/base/resource/resource_bundle.h"
  36 #include "ui/base/webui/web_ui_util.h"
  37 #include "ui/views/widget/widget.h"
  38 #include "url/gurl.h"
  39
  40 using content::BrowserThread;
  41
  42 namespace chromeos {
  43 namespace options {
  44
  45 namespace {
  46
  47 // Returns info about extensions for files we support as user images.
  48 ui::SelectFileDialog::FileTypeInfo GetUserImageFileTypeInfo() {
  49   ui::SelectFileDialog::FileTypeInfo file_type_info;
  50   file_type_info.extensions.resize(1);
  51
  52   file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("bmp"));
  53
  54   file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("jpg"));
  55   file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("jpeg"));
  56
  57   file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("png"));
  58
  59   file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("tif"));
  60   file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("tiff"));
  61
  62   file_type_info.extension_description_overrides.resize(1);
  63   file_type_info.extension_description_overrides[0] =
  64       l10n_util::GetStringUTF16(IDS_IMAGE_FILES);
  65
  66   return file_type_info;
  67 }
  68
  69 // Time histogram suffix for profile image download.
  70 const char kProfileDownloadReason[] = "Preferences";
  71
  72 }  // namespace
  73
  74 ChangePictureOptionsHandler::ChangePictureOptionsHandler()
  75     : previous_image_url_(content::kAboutBlankURL),
  76       previous_image_index_(User::kInvalidImageIndex),
  77       weak_factory_(this),
  78       was_camera_present_(false) {
  79   registrar_.Add(this, chrome::NOTIFICATION_PROFILE_IMAGE_UPDATED,
  80       content::NotificationService::AllSources());
  81   registrar_.Add(this, chrome::NOTIFICATION_PROFILE_IMAGE_UPDATE_FAILED,
  82       content::NotificationService::AllSources());
  83   registrar_.Add(this, chrome::NOTIFICATION_LOGIN_USER_IMAGE_CHANGED,
  84       content::NotificationService::AllSources());
  85 }
  86
  87 ChangePictureOptionsHandler::~ChangePictureOptionsHandler() {
  88   if (select_file_dialog_.get())
  89     select_file_dialog_->ListenerDestroyed();
  90   if (image_decoder_.get())
  91     image_decoder_->set_delegate(NULL);
  92 }
  93
  94 void ChangePictureOptionsHandler::GetLocalizedValues(
  95     base::DictionaryValue* localized_strings) {
  96   DCHECK(localized_strings);
  97   localized_strings->SetString("changePicturePage",
  98       l10n_util::GetStringUTF16(IDS_OPTIONS_CHANGE_PICTURE_DIALOG_TITLE));
  99   localized_strings->SetString("changePicturePageDescription",
 100       l10n_util::GetStringUTF16(IDS_OPTIONS_CHANGE_PICTURE_DIALOG_TEXT));
 101   localized_strings->SetString("takePhoto",
 102       l10n_util::GetStringUTF16(IDS_OPTIONS_CHANGE_PICTURE_TAKE_PHOTO));
 103   localized_strings->SetString("chooseFile",
 104       l10n_util::GetStringUTF16(IDS_OPTIONS_CHANGE_PICTURE_CHOOSE_FILE));
 105   localized_strings->SetString("profilePhoto",
 106       l10n_util::GetStringUTF16(IDS_OPTIONS_CHANGE_PICTURE_PROFILE_PHOTO));
 107   localized_strings->SetString("profilePhotoLoading",
 108       l10n_util::GetStringUTF16(
 109           IDS_OPTIONS_CHANGE_PICTURE_PROFILE_LOADING_PHOTO));
 110   localized_strings->SetString("previewAltText",
 111       l10n_util::GetStringUTF16(IDS_OPTIONS_CHANGE_PICTURE_PREVIEW_ALT));
 112   localized_strings->SetString("authorCredit",
 113       l10n_util::GetStringUTF16(IDS_OPTIONS_SET_WALLPAPER_AUTHOR_TEXT));
 114   localized_strings->SetString("photoFromCamera",
 115       l10n_util::GetStringUTF16(IDS_OPTIONS_CHANGE_PICTURE_PHOTO_FROM_CAMERA));
 116   localized_strings->SetString("photoCaptureAccessibleText",
 117       l10n_util::GetStringUTF16(IDS_OPTIONS_PHOTO_CAPTURE_ACCESSIBLE_TEXT));
 118   localized_strings->SetString("photoDiscardAccessibleText",
 119       l10n_util::GetStringUTF16(IDS_OPTIONS_PHOTO_DISCARD_ACCESSIBLE_TEXT));
 120 }
 121
 122 void ChangePictureOptionsHandler::RegisterMessages() {
 123   web_ui()->RegisterMessageCallback("chooseFile",
 124       base::Bind(&ChangePictureOptionsHandler::HandleChooseFile,
 125                  base::Unretained(this)));
 126   web_ui()->RegisterMessageCallback("photoTaken",
 127       base::Bind(&ChangePictureOptionsHandler::HandlePhotoTaken,
 128                  base::Unretained(this)));
 129   web_ui()->RegisterMessageCallback("checkCameraPresence",
 130       base::Bind(&ChangePictureOptionsHandler::HandleCheckCameraPresence,
 131                  base::Unretained(this)));
 132   web_ui()->RegisterMessageCallback("onChangePicturePageShown",
 133       base::Bind(&ChangePictureOptionsHandler::HandlePageShown,
 134                  base::Unretained(this)));
 135   web_ui()->RegisterMessageCallback("onChangePicturePageInitialized",
 136       base::Bind(&ChangePictureOptionsHandler::HandlePageInitialized,
 137                  base::Unretained(this)));
 138   web_ui()->RegisterMessageCallback("selectImage",
 139       base::Bind(&ChangePictureOptionsHandler::HandleSelectImage,
 140                  base::Unretained(this)));
 141 }
 142
 143 void ChangePictureOptionsHandler::SendDefaultImages() {
 144   base::ListValue image_urls;
 145   for (int i = kFirstDefaultImageIndex; i < kDefaultImagesCount; ++i) {
 146     scoped_ptr<base::DictionaryValue> image_data(new base::DictionaryValue);
 147     image_data->SetString("url", GetDefaultImageUrl(i));
 148     image_data->SetString(
 149         "author", l10n_util::GetStringUTF16(kDefaultImageAuthorIDs[i]));
 150     image_data->SetString(
 151         "website", l10n_util::GetStringUTF16(kDefaultImageWebsiteIDs[i]));
 152     image_urls.Append(image_data.release());
 153   }
 154   web_ui()->CallJavascriptFunction("ChangePictureOptions.setDefaultImages",
 155                                    image_urls);
 156 }
 157
 158 void ChangePictureOptionsHandler::HandleChooseFile(
 159     const base::ListValue* args) {
 160   DCHECK(args && args->empty());
 161   select_file_dialog_ = ui::SelectFileDialog::Create(
 162       this, new ChromeSelectFilePolicy(web_ui()->GetWebContents()));
 163
 164   base::FilePath downloads_path;
 165   if (!PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &downloads_path)) {
 166     NOTREACHED();
 167     return;
 168   }
 169
 170   // Static so we initialize it only once.
 171   CR_DEFINE_STATIC_LOCAL(ui::SelectFileDialog::FileTypeInfo, file_type_info,
 172       (GetUserImageFileTypeInfo()));
 173
 174   select_file_dialog_->SelectFile(
 175       ui::SelectFileDialog::SELECT_OPEN_FILE,
 176       l10n_util::GetStringUTF16(IDS_DOWNLOAD_TITLE),
 177       downloads_path,
 178       &file_type_info,
 179       0,
 180       FILE_PATH_LITERAL(""),
 181       GetBrowserWindow(),
 182       NULL);
 183 }
 184
 185 void ChangePictureOptionsHandler::HandlePhotoTaken(
 186     const base::ListValue* args) {
 187   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 188   std::string image_url;
 189   if (!args || args->GetSize() != 1 || !args->GetString(0, &image_url))
 190     NOTREACHED();
 191   DCHECK(!image_url.empty());
 192
 193   std::string mime_type, charset, raw_data;
 194   if (!net::DataURL::Parse(GURL(image_url), &mime_type, &charset, &raw_data))
 195     NOTREACHED();
 196   DCHECK_EQ("image/png", mime_type);
 197
 198   user_photo_ = gfx::ImageSkia();
 199   user_photo_data_url_ = image_url;
 200
 201   if (image_decoder_.get())
 202     image_decoder_->set_delegate(NULL);
 203   image_decoder_ = new ImageDecoder(this, raw_data,
 204                                     ImageDecoder::DEFAULT_CODEC);
 205   scoped_refptr<base::MessageLoopProxy> task_runner =
 206       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI);
 207   image_decoder_->Start(task_runner);
 208 }
 209
 210 void ChangePictureOptionsHandler::HandleCheckCameraPresence(
 211     const base::ListValue* args) {
 212   DCHECK(args->empty());
 213   CheckCameraPresence();
 214 }
 215
 216 void ChangePictureOptionsHandler::HandlePageInitialized(
 217     const base::ListValue* args) {
 218   DCHECK(args && args->empty());
 219   SendDefaultImages();
 220 }
 221
 222 void ChangePictureOptionsHandler::HandlePageShown(const base::ListValue* args) {
 223   DCHECK(args && args->empty());
 224   CheckCameraPresence();
 225   SendSelectedImage();
 226   UpdateProfileImage();
 227 }
 228
 229 void ChangePictureOptionsHandler::SendSelectedImage() {
 230   const User* user = GetUser();
 231   DCHECK(!user->email().empty());
 232
 233   previous_image_index_ = user->image_index();
 234   switch (previous_image_index_) {
 235     case User::kExternalImageIndex: {
 236       // User has image from camera/file, record it and add to the image list.
 237       previous_image_ = user->image();
 238       SendOldImage(webui::GetBitmapDataUrl(*previous_image_.bitmap()));
 239       break;
 240     }
 241     case User::kProfileImageIndex: {
 242       // User has his/her Profile image as the current image.
 243       SendProfileImage(user->image(), true);
 244       break;
 245     }
 246     default: {
 247       DCHECK(previous_image_index_ >= 0 &&
 248              previous_image_index_ < kDefaultImagesCount);
 249       if (previous_image_index_ >= kFirstDefaultImageIndex) {
 250         // User has image from the current set of default images.
 251         base::StringValue image_url(GetDefaultImageUrl(previous_image_index_));
 252         web_ui()->CallJavascriptFunction(
 253             "ChangePictureOptions.setSelectedImage", image_url);
 254       } else {
 255         // User has an old default image, so present it in the same manner as a
 256         // previous image from file.
 257         SendOldImage(GetDefaultImageUrl(previous_image_index_));
 258       }
 259     }
 260   }
 261 }
 262
 263 void ChangePictureOptionsHandler::SendProfileImage(const gfx::ImageSkia& image,
 264                                                    bool should_select) {
 265   base::StringValue data_url(webui::GetBitmapDataUrl(*image.bitmap()));
 266   base::FundamentalValue select(should_select);
 267   web_ui()->CallJavascriptFunction("ChangePictureOptions.setProfileImage",
 268                                    data_url, select);
 269 }
 270
 271 void ChangePictureOptionsHandler::UpdateProfileImage() {
 272   UserImageManager* user_image_manager =
 273       UserManager::Get()->GetUserImageManager(GetUser()->email());
 274   // If we have a downloaded profile image and haven't sent it in
 275   // |SendSelectedImage|, send it now (without selecting).
 276   if (previous_image_index_ != User::kProfileImageIndex &&
 277       !user_image_manager->DownloadedProfileImage().isNull())
 278     SendProfileImage(user_image_manager->DownloadedProfileImage(), false);
 279
 280   user_image_manager->DownloadProfileImage(kProfileDownloadReason);
 281 }
 282
 283 void ChangePictureOptionsHandler::SendOldImage(const std::string& image_url) {
 284   previous_image_url_ = image_url;
 285   base::StringValue url(image_url);
 286   web_ui()->CallJavascriptFunction("ChangePictureOptions.setOldImage", url);
 287 }
 288
 289 void ChangePictureOptionsHandler::HandleSelectImage(
 290     const base::ListValue* args) {
 291   std::string image_url;
 292   std::string image_type;
 293   if (!args ||
 294       args->GetSize() != 2 ||
 295       !args->GetString(0, &image_url) ||
 296       !args->GetString(1, &image_type)) {
 297     NOTREACHED();
 298     return;
 299   }
 300   DCHECK(!image_url.empty());
 301   DCHECK(!image_type.empty());
 302
 303   UserImageManager* user_image_manager =
 304       UserManager::Get()->GetUserImageManager(GetUser()->email());
 305   int image_index = User::kInvalidImageIndex;
 306   bool waiting_for_camera_photo = false;
 307
 308   if (image_type == "old") {
 309     // Previous image (from camera or manually uploaded) re-selected.
 310     DCHECK(!previous_image_.isNull());
 311     user_image_manager->SaveUserImage(
 312         UserImage::CreateAndEncode(previous_image_));
 313
 314     UMA_HISTOGRAM_ENUMERATION("UserImage.ChangeChoice",
 315                               kHistogramImageOld,
 316                               kHistogramImagesCount);
 317     VLOG(1) << "Selected old user image";
 318   } else if (image_type == "default" &&
 319              IsDefaultImageUrl(image_url, &image_index)) {
 320     // One of the default user images.
 321     user_image_manager->SaveUserDefaultImageIndex(image_index);
 322
 323     UMA_HISTOGRAM_ENUMERATION("UserImage.ChangeChoice",
 324                               GetDefaultImageHistogramValue(image_index),
 325                               kHistogramImagesCount);
 326     VLOG(1) << "Selected default user image: " << image_index;
 327   } else if (image_type == "camera") {
 328     // Camera image is selected.
 329     if (user_photo_.isNull()) {
 330       DCHECK(image_decoder_.get());
 331       waiting_for_camera_photo = true;
 332       VLOG(1) << "Still waiting for camera image to decode";
 333     } else {
 334       SetImageFromCamera(user_photo_);
 335     }
 336   } else if (image_type == "profile") {
 337     // Profile image selected. Could be previous (old) user image.
 338     user_image_manager->SaveUserImageFromProfileImage();
 339
 340     if (previous_image_index_ == User::kProfileImageIndex) {
 341       UMA_HISTOGRAM_ENUMERATION("UserImage.ChangeChoice",
 342                                 kHistogramImageOld,
 343                                 kHistogramImagesCount);
 344       VLOG(1) << "Selected old (profile) user image";
 345     } else {
 346       UMA_HISTOGRAM_ENUMERATION("UserImage.ChangeChoice",
 347                                 kHistogramImageFromProfile,
 348                                 kHistogramImagesCount);
 349       VLOG(1) << "Selected profile image";
 350     }
 351   } else {
 352     NOTREACHED() << "Unexpected image type: " << image_type;
 353   }
 354
 355   // Ignore the result of the previous decoding if it's no longer needed.
 356   if (!waiting_for_camera_photo && image_decoder_.get())
 357     image_decoder_->set_delegate(NULL);
 358 }
 359
 360 void ChangePictureOptionsHandler::FileSelected(const base::FilePath& path,
 361                                                int index,
 362                                                void* params) {
 363   UserManager* user_manager = UserManager::Get();
 364   user_manager->GetUserImageManager(GetUser()->email())->
 365       SaveUserImageFromFile(path);
 366   UMA_HISTOGRAM_ENUMERATION(
 367       "UserImage.ChangeChoice", kHistogramImageFromFile, kHistogramImagesCount);
 368   VLOG(1) << "Selected image from file";
 369 }
 370
 371 void ChangePictureOptionsHandler::SetImageFromCamera(
 372     const gfx::ImageSkia& photo) {
 373   UserManager* user_manager = UserManager::Get();
 374   user_manager->GetUserImageManager(GetUser()->email())->SaveUserImage(
 375       UserImage::CreateAndEncode(photo));
 376   UMA_HISTOGRAM_ENUMERATION("UserImage.ChangeChoice",
 377                             kHistogramImageFromCamera,
 378                             kHistogramImagesCount);
 379   VLOG(1) << "Selected camera photo";
 380 }
 381
 382 void ChangePictureOptionsHandler::CheckCameraPresence() {
 383   CameraDetector::StartPresenceCheck(
 384       base::Bind(&ChangePictureOptionsHandler::OnCameraPresenceCheckDone,
 385                  weak_factory_.GetWeakPtr()));
 386 }
 387
 388 void ChangePictureOptionsHandler::SetCameraPresent(bool present) {
 389   base::FundamentalValue present_value(present);
 390   web_ui()->CallJavascriptFunction("ChangePictureOptions.setCameraPresent",
 391                                    present_value);
 392 }
 393
 394 void ChangePictureOptionsHandler::OnCameraPresenceCheckDone() {
 395   bool is_camera_present = CameraDetector::camera_presence() ==
 396                            CameraDetector::kCameraPresent;
 397   if (is_camera_present != was_camera_present_) {
 398     SetCameraPresent(is_camera_present);
 399     was_camera_present_ = is_camera_present;
 400   }
 401 }
 402
 403 void ChangePictureOptionsHandler::Observe(
 404     int type,
 405     const content::NotificationSource& source,
 406     const content::NotificationDetails& details) {
 407   if (type == chrome::NOTIFICATION_PROFILE_IMAGE_UPDATED) {
 408     // User profile image has been updated.
 409     SendProfileImage(*content::Details<const gfx::ImageSkia>(details).ptr(),
 410                      false);
 411   } else if (type == chrome::NOTIFICATION_LOGIN_USER_IMAGE_CHANGED) {
 412     // Not initialized yet.
 413     if (previous_image_index_ == User::kInvalidImageIndex)
 414       return;
 415     SendSelectedImage();
 416   }
 417 }
 418
 419 gfx::NativeWindow ChangePictureOptionsHandler::GetBrowserWindow() const {
 420   Browser* browser =
 421       chrome::FindBrowserWithWebContents(web_ui()->GetWebContents());
 422   return browser->window()->GetNativeWindow();
 423 }
 424
 425 void ChangePictureOptionsHandler::OnImageDecoded(
 426     const ImageDecoder* decoder,
 427     const SkBitmap& decoded_image) {
 428   DCHECK_EQ(image_decoder_.get(), decoder);
 429   image_decoder_ = NULL;
 430   user_photo_ = gfx::ImageSkia::CreateFrom1xBitmap(decoded_image);
 431   SetImageFromCamera(user_photo_);
 432 }
 433
 434 void ChangePictureOptionsHandler::OnDecodeImageFailed(
 435     const ImageDecoder* decoder) {
 436   NOTREACHED() << "Failed to decode PNG image from WebUI";
 437 }
 438
 439 User* ChangePictureOptionsHandler::GetUser() const {
 440   Profile* profile = Profile::FromWebUI(web_ui());
 441   User* user = UserManager::Get()->GetUserByProfile(profile);
 442   if (!user)
 443     return UserManager::Get()->GetActiveUser();
 444   return user;
 445 }
 446
 447 }  // namespace options
 448 }  // namespace chromeos