src/chrome/browser/extensions/extension_install_prompt.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/extensions/extension_install_prompt.h"
   6
   7 #include <map>
   8
   9 #include "base/command_line.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "base/prefs/pref_service.h"
  12 #include "base/strings/string_number_conversions.h"
  13 #include "base/strings/string_util.h"
  14 #include "base/strings/stringprintf.h"
  15 #include "base/strings/utf_string_conversions.h"
  16 #include "chrome/browser/extensions/bundle_installer.h"
  17 #include "chrome/browser/extensions/extension_install_ui.h"
  18 #include "chrome/browser/extensions/image_loader.h"
  19 #include "chrome/browser/profiles/profile.h"
  20 #include "chrome/browser/signin/profile_oauth2_token_service.h"
  21 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
  22 #include "chrome/browser/ui/browser.h"
  23 #include "chrome/browser/ui/browser_window.h"
  24 #include "chrome/common/chrome_switches.h"
  25 #include "chrome/common/extensions/api/identity/oauth2_manifest_handler.h"
  26 #include "chrome/common/extensions/extension_constants.h"
  27 #include "chrome/common/extensions/extension_icon_set.h"
  28 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
  29 #include "chrome/common/pref_names.h"
  30 #include "content/public/browser/web_contents.h"
  31 #include "content/public/browser/web_contents_view.h"
  32 #include "extensions/common/extension.h"
  33 #include "extensions/common/extension_resource.h"
  34 #include "extensions/common/feature_switch.h"
  35 #include "extensions/common/manifest.h"
  36 #include "extensions/common/manifest_constants.h"
  37 #include "extensions/common/permissions/permission_message_provider.h"
  38 #include "extensions/common/permissions/permission_set.h"
  39 #include "extensions/common/permissions/permissions_data.h"
  40 #include "extensions/common/url_pattern.h"
  41 #include "grit/chromium_strings.h"
  42 #include "grit/generated_resources.h"
  43 #include "grit/theme_resources.h"
  44 #include "ui/base/l10n/l10n_util.h"
  45 #include "ui/base/resource/resource_bundle.h"
  46 #include "ui/gfx/image/image.h"
  47
  48 using extensions::BundleInstaller;
  49 using extensions::Extension;
  50 using extensions::Manifest;
  51 using extensions::PermissionSet;
  52
  53 namespace {
  54
  55 static const int kTitleIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  56   0,  // The regular install prompt depends on what's being installed.
  57   IDS_EXTENSION_INLINE_INSTALL_PROMPT_TITLE,
  58   IDS_EXTENSION_INSTALL_PROMPT_TITLE,
  59   IDS_EXTENSION_RE_ENABLE_PROMPT_TITLE,
  60   IDS_EXTENSION_PERMISSIONS_PROMPT_TITLE,
  61   IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_TITLE,
  62   IDS_EXTENSION_POST_INSTALL_PERMISSIONS_PROMPT_TITLE,
  63   IDS_EXTENSION_LAUNCH_APP_PROMPT_TITLE,
  64 };
  65 static const int kHeadingIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  66   IDS_EXTENSION_INSTALL_PROMPT_HEADING,
  67   0,  // Inline installs use the extension name.
  68   0,  // Heading for bundle installs depends on the bundle contents.
  69   IDS_EXTENSION_RE_ENABLE_PROMPT_HEADING,
  70   IDS_EXTENSION_PERMISSIONS_PROMPT_HEADING,
  71   0,  // External installs use different strings for extensions/apps.
  72   IDS_EXTENSION_POST_INSTALL_PERMISSIONS_PROMPT_HEADING,
  73   IDS_EXTENSION_LAUNCH_APP_PROMPT_HEADING,
  74 };
  75 static const int kButtons[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  76   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  77   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  78   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  79   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  80   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  81   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  82   ui::DIALOG_BUTTON_CANCEL,
  83   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  84 };
  85 static const int kAcceptButtonIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  86   IDS_EXTENSION_PROMPT_INSTALL_BUTTON,
  87   IDS_EXTENSION_PROMPT_INSTALL_BUTTON,
  88   IDS_EXTENSION_PROMPT_INSTALL_BUTTON,
  89   IDS_EXTENSION_PROMPT_RE_ENABLE_BUTTON,
  90   IDS_EXTENSION_PROMPT_PERMISSIONS_BUTTON,
  91   0,  // External installs use different strings for extensions/apps.
  92   IDS_EXTENSION_PROMPT_PERMISSIONS_CLEAR_RETAINED_FILES_BUTTON,
  93   IDS_EXTENSION_PROMPT_LAUNCH_BUTTON,
  94 };
  95 static const int kAbortButtonIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  96   0,  // These all use the platform's default cancel label.
  97   0,
  98   0,
  99   0,
 100   IDS_EXTENSION_PROMPT_PERMISSIONS_ABORT_BUTTON,
 101   IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ABORT_BUTTON,
 102   IDS_CLOSE,
 103   0,  // Platform dependent cancel button.
 104 };
 105 static const int kPermissionsHeaderIds[
 106     ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
 107   IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
 108   IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
 109   IDS_EXTENSION_PROMPT_THESE_WILL_HAVE_ACCESS_TO,
 110   IDS_EXTENSION_PROMPT_WILL_NOW_HAVE_ACCESS_TO,
 111   IDS_EXTENSION_PROMPT_WANTS_ACCESS_TO,
 112   IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
 113   IDS_EXTENSION_PROMPT_CAN_ACCESS,
 114   IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
 115 };
 116 static const int kOAuthHeaderIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
 117   IDS_EXTENSION_PROMPT_OAUTH_HEADER,
 118   0,  // Inline installs don't show OAuth permissions.
 119   0,  // Bundle installs don't show OAuth permissions.
 120   IDS_EXTENSION_PROMPT_OAUTH_REENABLE_HEADER,
 121   IDS_EXTENSION_PROMPT_OAUTH_PERMISSIONS_HEADER,
 122   0,
 123   0,
 124   IDS_EXTENSION_PROMPT_OAUTH_HEADER,
 125 };
 126
 127 // Size of extension icon in top left of dialog.
 128 const int kIconSize = 69;
 129
 130 // Returns pixel size under maximal scale factor for the icon whose device
 131 // independent size is |size_in_dip|
 132 int GetSizeForMaxScaleFactor(int size_in_dip) {
 133   return static_cast<int>(size_in_dip * gfx::ImageSkia::GetMaxSupportedScale());
 134 }
 135
 136 // Returns bitmap for the default icon with size equal to the default icon's
 137 // pixel size under maximal supported scale factor.
 138 SkBitmap GetDefaultIconBitmapForMaxScaleFactor(bool is_app) {
 139   const gfx::ImageSkia& image = is_app ?
 140       extensions::IconsInfo::GetDefaultAppIcon() :
 141       extensions::IconsInfo::GetDefaultExtensionIcon();
 142   return image.GetRepresentation(
 143       gfx::ImageSkia::GetMaxSupportedScale()).sk_bitmap();
 144 }
 145
 146 // If auto confirm is enabled then posts a task to proceed with or cancel the
 147 // install and returns true. Otherwise returns false.
 148 bool AutoConfirmPrompt(ExtensionInstallPrompt::Delegate* delegate) {
 149   const CommandLine* cmdline = CommandLine::ForCurrentProcess();
 150   if (!cmdline->HasSwitch(switches::kAppsGalleryInstallAutoConfirmForTests))
 151     return false;
 152   std::string value = cmdline->GetSwitchValueASCII(
 153       switches::kAppsGalleryInstallAutoConfirmForTests);
 154
 155   // We use PostTask instead of calling the delegate directly here, because in
 156   // the real implementations it's highly likely the message loop will be
 157   // pumping a few times before the user clicks accept or cancel.
 158   if (value == "accept") {
 159     base::MessageLoop::current()->PostTask(
 160         FROM_HERE,
 161         base::Bind(&ExtensionInstallPrompt::Delegate::InstallUIProceed,
 162                    base::Unretained(delegate)));
 163     return true;
 164   }
 165
 166   if (value == "cancel") {
 167     base::MessageLoop::current()->PostTask(
 168         FROM_HERE,
 169         base::Bind(&ExtensionInstallPrompt::Delegate::InstallUIAbort,
 170                    base::Unretained(delegate),
 171                    true));
 172     return true;
 173   }
 174
 175   NOTREACHED();
 176   return false;
 177 }
 178
 179 Profile* ProfileForWebContents(content::WebContents* web_contents) {
 180   if (!web_contents)
 181     return NULL;
 182   return Profile::FromBrowserContext(web_contents->GetBrowserContext());
 183 }
 184
 185 gfx::NativeWindow NativeWindowForWebContents(content::WebContents* contents) {
 186   if (!contents)
 187     return NULL;
 188
 189   return contents->GetView()->GetTopLevelNativeWindow();
 190 }
 191
 192 }  // namespace
 193
 194 ExtensionInstallPrompt::Prompt::Prompt(PromptType type)
 195     : type_(type),
 196       is_showing_details_for_retained_files_(false),
 197       extension_(NULL),
 198       bundle_(NULL),
 199       average_rating_(0.0),
 200       rating_count_(0),
 201       show_user_count_(false),
 202       has_webstore_data_(false) {
 203 }
 204
 205 ExtensionInstallPrompt::Prompt::~Prompt() {
 206 }
 207
 208 void ExtensionInstallPrompt::Prompt::SetPermissions(
 209     const std::vector<base::string16>& permissions) {
 210   permissions_ = permissions;
 211 }
 212
 213 void ExtensionInstallPrompt::Prompt::SetPermissionsDetails(
 214     const std::vector<base::string16>& details) {
 215   details_ = details;
 216   is_showing_details_for_permissions_.clear();
 217   for (size_t i = 0; i < details.size(); ++i)
 218     is_showing_details_for_permissions_.push_back(false);
 219 }
 220
 221 void ExtensionInstallPrompt::Prompt::SetIsShowingDetails(
 222     DetailsType type,
 223     size_t index,
 224     bool is_showing_details) {
 225   switch (type) {
 226     case PERMISSIONS_DETAILS:
 227       is_showing_details_for_permissions_[index] = is_showing_details;
 228       break;
 229     case OAUTH_DETAILS:
 230       is_showing_details_for_oauth_[index] = is_showing_details;
 231       break;
 232     case RETAINED_FILES_DETAILS:
 233       is_showing_details_for_retained_files_ = is_showing_details;
 234       break;
 235   }
 236 }
 237
 238 void ExtensionInstallPrompt::Prompt::SetOAuthIssueAdvice(
 239     const IssueAdviceInfo& issue_advice) {
 240   is_showing_details_for_oauth_.clear();
 241   for (size_t i = 0; i < issue_advice.size(); ++i)
 242     is_showing_details_for_oauth_.push_back(false);
 243
 244   oauth_issue_advice_ = issue_advice;
 245 }
 246
 247 void ExtensionInstallPrompt::Prompt::SetUserNameFromProfile(Profile* profile) {
 248   // |profile| can be NULL in unit tests.
 249   if (profile) {
 250     oauth_user_name_ = base::UTF8ToUTF16(profile->GetPrefs()->GetString(
 251         prefs::kGoogleServicesUsername));
 252   } else {
 253     oauth_user_name_.clear();
 254   }
 255 }
 256
 257 void ExtensionInstallPrompt::Prompt::SetWebstoreData(
 258     const std::string& localized_user_count,
 259     bool show_user_count,
 260     double average_rating,
 261     int rating_count) {
 262   CHECK(type_ == INLINE_INSTALL_PROMPT || type_ == EXTERNAL_INSTALL_PROMPT);
 263   localized_user_count_ = localized_user_count;
 264   show_user_count_ = show_user_count;
 265   average_rating_ = average_rating;
 266   rating_count_ = rating_count;
 267   has_webstore_data_ = true;
 268 }
 269
 270 base::string16 ExtensionInstallPrompt::Prompt::GetDialogTitle() const {
 271   int resource_id = kTitleIds[type_];
 272
 273   if (type_ == INSTALL_PROMPT) {
 274     if (extension_->is_app())
 275       resource_id = IDS_EXTENSION_INSTALL_APP_PROMPT_TITLE;
 276     else if (extension_->is_theme())
 277       resource_id = IDS_EXTENSION_INSTALL_THEME_PROMPT_TITLE;
 278     else
 279       resource_id = IDS_EXTENSION_INSTALL_EXTENSION_PROMPT_TITLE;
 280   } else if (type_ == EXTERNAL_INSTALL_PROMPT) {
 281     return l10n_util::GetStringFUTF16(
 282         resource_id, base::UTF8ToUTF16(extension_->name()));
 283   }
 284
 285   return l10n_util::GetStringUTF16(resource_id);
 286 }
 287
 288 base::string16 ExtensionInstallPrompt::Prompt::GetHeading() const {
 289   if (type_ == INLINE_INSTALL_PROMPT) {
 290     return base::UTF8ToUTF16(extension_->name());
 291   } else if (type_ == BUNDLE_INSTALL_PROMPT) {
 292     return bundle_->GetHeadingTextFor(BundleInstaller::Item::STATE_PENDING);
 293   } else if (type_ == EXTERNAL_INSTALL_PROMPT) {
 294     int resource_id = -1;
 295     if (extension_->is_app())
 296       resource_id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_HEADING_APP;
 297     else if (extension_->is_theme())
 298       resource_id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_HEADING_THEME;
 299     else
 300       resource_id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_HEADING_EXTENSION;
 301     return l10n_util::GetStringUTF16(resource_id);
 302   } else {
 303     return l10n_util::GetStringFUTF16(
 304         kHeadingIds[type_], base::UTF8ToUTF16(extension_->name()));
 305   }
 306 }
 307
 308 int ExtensionInstallPrompt::Prompt::GetDialogButtons() const {
 309   if (type_ == POST_INSTALL_PERMISSIONS_PROMPT &&
 310       ShouldDisplayRevokeFilesButton()) {
 311     return kButtons[type_] | ui::DIALOG_BUTTON_OK;
 312   }
 313
 314   return kButtons[type_];
 315 }
 316
 317 bool ExtensionInstallPrompt::Prompt::ShouldShowExplanationText() const {
 318    return type_ == INSTALL_PROMPT &&
 319        extension_->is_extension() && experiment_ && experiment_->text_only();
 320 }
 321
 322 bool ExtensionInstallPrompt::Prompt::HasAcceptButtonLabel() const {
 323   if (kAcceptButtonIds[type_] == 0)
 324     return false;
 325
 326   if (type_ == POST_INSTALL_PERMISSIONS_PROMPT)
 327     return ShouldDisplayRevokeFilesButton();
 328
 329   return true;
 330 }
 331
 332 base::string16 ExtensionInstallPrompt::Prompt::GetAcceptButtonLabel() const {
 333   if (type_ == EXTERNAL_INSTALL_PROMPT) {
 334     int id = -1;
 335     if (extension_->is_app())
 336       id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ACCEPT_BUTTON_APP;
 337     else if (extension_->is_theme())
 338       id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ACCEPT_BUTTON_THEME;
 339     else
 340       id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ACCEPT_BUTTON_EXTENSION;
 341     return l10n_util::GetStringUTF16(id);
 342   }
 343   if (ShouldShowExplanationText())
 344     return experiment_->GetOkButtonText();
 345   return l10n_util::GetStringUTF16(kAcceptButtonIds[type_]);
 346 }
 347
 348 bool ExtensionInstallPrompt::Prompt::HasAbortButtonLabel() const {
 349   if (ShouldShowExplanationText())
 350     return true;
 351   return kAbortButtonIds[type_] > 0;
 352 }
 353
 354 base::string16 ExtensionInstallPrompt::Prompt::GetAbortButtonLabel() const {
 355   CHECK(HasAbortButtonLabel());
 356   if (ShouldShowExplanationText())
 357     return experiment_->GetCancelButtonText();
 358   return l10n_util::GetStringUTF16(kAbortButtonIds[type_]);
 359 }
 360
 361 base::string16 ExtensionInstallPrompt::Prompt::GetPermissionsHeading() const {
 362   return l10n_util::GetStringUTF16(kPermissionsHeaderIds[type_]);
 363 }
 364
 365 base::string16 ExtensionInstallPrompt::Prompt::GetOAuthHeading() const {
 366   return l10n_util::GetStringFUTF16(kOAuthHeaderIds[type_], oauth_user_name_);
 367 }
 368
 369 base::string16 ExtensionInstallPrompt::Prompt::GetRetainedFilesHeading() const {
 370   const int kRetainedFilesMessageIDs[6] = {
 371       IDS_EXTENSION_PROMPT_RETAINED_FILES_DEFAULT,
 372       IDS_EXTENSION_PROMPT_RETAINED_FILE_SINGULAR,
 373       IDS_EXTENSION_PROMPT_RETAINED_FILES_ZERO,
 374       IDS_EXTENSION_PROMPT_RETAINED_FILES_TWO,
 375       IDS_EXTENSION_PROMPT_RETAINED_FILES_FEW,
 376       IDS_EXTENSION_PROMPT_RETAINED_FILES_MANY,
 377   };
 378   std::vector<int> message_ids;
 379   for (size_t i = 0; i < arraysize(kRetainedFilesMessageIDs); i++) {
 380     message_ids.push_back(kRetainedFilesMessageIDs[i]);
 381   }
 382   return l10n_util::GetPluralStringFUTF16(message_ids, GetRetainedFileCount());
 383 }
 384
 385 bool ExtensionInstallPrompt::Prompt::ShouldShowPermissions() const {
 386   return GetPermissionCount() > 0 || type_ == POST_INSTALL_PERMISSIONS_PROMPT;
 387 }
 388
 389 void ExtensionInstallPrompt::Prompt::AppendRatingStars(
 390     StarAppender appender, void* data) const {
 391   CHECK(appender);
 392   CHECK(type_ == INLINE_INSTALL_PROMPT || type_ == EXTERNAL_INSTALL_PROMPT);
 393   int rating_integer = floor(average_rating_);
 394   double rating_fractional = average_rating_ - rating_integer;
 395
 396   if (rating_fractional > 0.66) {
 397     rating_integer++;
 398   }
 399
 400   if (rating_fractional < 0.33 || rating_fractional > 0.66) {
 401     rating_fractional = 0;
 402   }
 403
 404   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
 405   int i;
 406   for (i = 0; i < rating_integer; i++) {
 407     appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_ON), data);
 408   }
 409   if (rating_fractional) {
 410     appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_HALF_LEFT), data);
 411     i++;
 412   }
 413   for (; i < kMaxExtensionRating; i++) {
 414     appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_OFF), data);
 415   }
 416 }
 417
 418 base::string16 ExtensionInstallPrompt::Prompt::GetRatingCount() const {
 419   CHECK(type_ == INLINE_INSTALL_PROMPT || type_ == EXTERNAL_INSTALL_PROMPT);
 420   return l10n_util::GetStringFUTF16(IDS_EXTENSION_RATING_COUNT,
 421                                     base::IntToString16(rating_count_));
 422 }
 423
 424 base::string16 ExtensionInstallPrompt::Prompt::GetUserCount() const {
 425   CHECK(type_ == INLINE_INSTALL_PROMPT || type_ == EXTERNAL_INSTALL_PROMPT);
 426
 427   if (show_user_count_) {
 428     return l10n_util::GetStringFUTF16(IDS_EXTENSION_USER_COUNT,
 429                                       base::UTF8ToUTF16(localized_user_count_));
 430   }
 431   return base::string16();
 432 }
 433
 434 size_t ExtensionInstallPrompt::Prompt::GetPermissionCount() const {
 435   return permissions_.size();
 436 }
 437
 438 size_t ExtensionInstallPrompt::Prompt::GetPermissionsDetailsCount() const {
 439   return details_.size();
 440 }
 441
 442 base::string16 ExtensionInstallPrompt::Prompt::GetPermission(size_t index)
 443     const {
 444   CHECK_LT(index, permissions_.size());
 445   return permissions_[index];
 446 }
 447
 448 base::string16 ExtensionInstallPrompt::Prompt::GetPermissionsDetails(
 449     size_t index) const {
 450   CHECK_LT(index, details_.size());
 451   return details_[index];
 452 }
 453
 454 bool ExtensionInstallPrompt::Prompt::GetIsShowingDetails(
 455     DetailsType type, size_t index) const {
 456   switch (type) {
 457     case PERMISSIONS_DETAILS:
 458       CHECK_LT(index, is_showing_details_for_permissions_.size());
 459       return is_showing_details_for_permissions_[index];
 460     case OAUTH_DETAILS:
 461       CHECK_LT(index, is_showing_details_for_oauth_.size());
 462       return is_showing_details_for_oauth_[index];
 463     case RETAINED_FILES_DETAILS:
 464       return is_showing_details_for_retained_files_;
 465   }
 466   return false;
 467 }
 468
 469 size_t ExtensionInstallPrompt::Prompt::GetOAuthIssueCount() const {
 470   return oauth_issue_advice_.size();
 471 }
 472
 473 const IssueAdviceInfoEntry& ExtensionInstallPrompt::Prompt::GetOAuthIssue(
 474     size_t index) const {
 475   CHECK_LT(index, oauth_issue_advice_.size());
 476   return oauth_issue_advice_[index];
 477 }
 478
 479 size_t ExtensionInstallPrompt::Prompt::GetRetainedFileCount() const {
 480   return retained_files_.size();
 481 }
 482
 483 base::string16 ExtensionInstallPrompt::Prompt::GetRetainedFile(size_t index)
 484     const {
 485   CHECK_LT(index, retained_files_.size());
 486   return retained_files_[index].AsUTF16Unsafe();
 487 }
 488
 489 bool ExtensionInstallPrompt::Prompt::ShouldDisplayRevokeFilesButton() const {
 490   return !retained_files_.empty();
 491 }
 492
 493 ExtensionInstallPrompt::ShowParams::ShowParams(content::WebContents* contents)
 494     : parent_web_contents(contents),
 495       parent_window(NativeWindowForWebContents(contents)),
 496       navigator(contents) {
 497 }
 498
 499 ExtensionInstallPrompt::ShowParams::ShowParams(
 500     gfx::NativeWindow window,
 501     content::PageNavigator* navigator)
 502     : parent_web_contents(NULL),
 503       parent_window(window),
 504       navigator(navigator) {
 505 }
 506
 507 // static
 508 scoped_refptr<Extension>
 509     ExtensionInstallPrompt::GetLocalizedExtensionForDisplay(
 510     const base::DictionaryValue* manifest,
 511     int flags,
 512     const std::string& id,
 513     const std::string& localized_name,
 514     const std::string& localized_description,
 515     std::string* error) {
 516   scoped_ptr<base::DictionaryValue> localized_manifest;
 517   if (!localized_name.empty() || !localized_description.empty()) {
 518     localized_manifest.reset(manifest->DeepCopy());
 519     if (!localized_name.empty()) {
 520       localized_manifest->SetString(extensions::manifest_keys::kName,
 521                                     localized_name);
 522     }
 523     if (!localized_description.empty()) {
 524       localized_manifest->SetString(extensions::manifest_keys::kDescription,
 525                                     localized_description);
 526     }
 527   }
 528
 529   return Extension::Create(
 530       base::FilePath(),
 531       Manifest::INTERNAL,
 532       localized_manifest.get() ? *localized_manifest.get() : *manifest,
 533       flags,
 534       id,
 535       error);
 536 }
 537
 538 ExtensionInstallPrompt::ExtensionInstallPrompt(content::WebContents* contents)
 539     : OAuth2TokenService::Consumer("extensions_install"),
 540       record_oauth2_grant_(false),
 541       ui_loop_(base::MessageLoop::current()),
 542       extension_(NULL),
 543       bundle_(NULL),
 544       install_ui_(ExtensionInstallUI::Create(ProfileForWebContents(contents))),
 545       show_params_(contents),
 546       delegate_(NULL),
 547       prompt_(UNSET_PROMPT_TYPE) {
 548   prompt_.SetUserNameFromProfile(install_ui_->profile());
 549 }
 550
 551 ExtensionInstallPrompt::ExtensionInstallPrompt(
 552     Profile* profile,
 553     gfx::NativeWindow native_window,
 554     content::PageNavigator* navigator)
 555     : OAuth2TokenService::Consumer("extensions_install"),
 556       record_oauth2_grant_(false),
 557       ui_loop_(base::MessageLoop::current()),
 558       extension_(NULL),
 559       bundle_(NULL),
 560       install_ui_(ExtensionInstallUI::Create(profile)),
 561       show_params_(native_window, navigator),
 562       delegate_(NULL),
 563       prompt_(UNSET_PROMPT_TYPE) {
 564   prompt_.SetUserNameFromProfile(install_ui_->profile());
 565 }
 566
 567 ExtensionInstallPrompt::~ExtensionInstallPrompt() {
 568 }
 569
 570 void ExtensionInstallPrompt::ConfirmBundleInstall(
 571     extensions::BundleInstaller* bundle,
 572     const PermissionSet* permissions) {
 573   DCHECK(ui_loop_ == base::MessageLoop::current());
 574   bundle_ = bundle;
 575   permissions_ = permissions;
 576   delegate_ = bundle;
 577   prompt_.set_type(BUNDLE_INSTALL_PROMPT);
 578
 579   ShowConfirmation();
 580 }
 581
 582 void ExtensionInstallPrompt::ConfirmStandaloneInstall(
 583     Delegate* delegate,
 584     const Extension* extension,
 585     SkBitmap* icon,
 586     const ExtensionInstallPrompt::Prompt& prompt) {
 587   DCHECK(ui_loop_ == base::MessageLoop::current());
 588   extension_ = extension;
 589   permissions_ = extension->GetActivePermissions();
 590   delegate_ = delegate;
 591   prompt_ = prompt;
 592
 593   SetIcon(icon);
 594   ShowConfirmation();
 595 }
 596
 597 void ExtensionInstallPrompt::ConfirmWebstoreInstall(
 598     Delegate* delegate,
 599     const Extension* extension,
 600     const SkBitmap* icon,
 601     const ShowDialogCallback& show_dialog_callback) {
 602   // SetIcon requires |extension_| to be set. ConfirmInstall will setup the
 603   // remaining fields.
 604   extension_ = extension;
 605   SetIcon(icon);
 606   ConfirmInstall(delegate, extension, show_dialog_callback);
 607 }
 608
 609 void ExtensionInstallPrompt::ConfirmInstall(
 610     Delegate* delegate,
 611     const Extension* extension,
 612     const ShowDialogCallback& show_dialog_callback) {
 613   DCHECK(ui_loop_ == base::MessageLoop::current());
 614   extension_ = extension;
 615   permissions_ = extension->GetActivePermissions();
 616   delegate_ = delegate;
 617   prompt_.set_type(INSTALL_PROMPT);
 618   show_dialog_callback_ = show_dialog_callback;
 619
 620   // We special-case themes to not show any confirm UI. Instead they are
 621   // immediately installed, and then we show an infobar (see OnInstallSuccess)
 622   // to allow the user to revert if they don't like it.
 623   //
 624   // We don't do this in the case where off-store extension installs are
 625   // disabled because in that case, we don't show the dangerous download UI, so
 626   // we need the UI confirmation.
 627   if (extension->is_theme()) {
 628     if (extension->from_webstore() ||
 629         extensions::FeatureSwitch::easy_off_store_install()->IsEnabled()) {
 630       delegate->InstallUIProceed();
 631       return;
 632     }
 633   }
 634
 635   LoadImageIfNeeded();
 636 }
 637
 638 void ExtensionInstallPrompt::ConfirmReEnable(Delegate* delegate,
 639                                              const Extension* extension) {
 640   DCHECK(ui_loop_ == base::MessageLoop::current());
 641   extension_ = extension;
 642   permissions_ = extension->GetActivePermissions();
 643   delegate_ = delegate;
 644   prompt_.set_type(extension->is_ephemeral() ? LAUNCH_PROMPT :
 645                                                RE_ENABLE_PROMPT);
 646
 647   LoadImageIfNeeded();
 648 }
 649
 650 void ExtensionInstallPrompt::ConfirmExternalInstall(
 651     Delegate* delegate,
 652     const Extension* extension,
 653     const ShowDialogCallback& show_dialog_callback,
 654     const Prompt& prompt) {
 655   DCHECK(ui_loop_ == base::MessageLoop::current());
 656   extension_ = extension;
 657   permissions_ = extension->GetActivePermissions();
 658   delegate_ = delegate;
 659   prompt_ = prompt;
 660   show_dialog_callback_ = show_dialog_callback;
 661
 662   LoadImageIfNeeded();
 663 }
 664
 665 void ExtensionInstallPrompt::ConfirmPermissions(
 666     Delegate* delegate,
 667     const Extension* extension,
 668     const PermissionSet* permissions) {
 669   DCHECK(ui_loop_ == base::MessageLoop::current());
 670   extension_ = extension;
 671   permissions_ = permissions;
 672   delegate_ = delegate;
 673   prompt_.set_type(PERMISSIONS_PROMPT);
 674
 675   LoadImageIfNeeded();
 676 }
 677
 678 void ExtensionInstallPrompt::ConfirmIssueAdvice(
 679     Delegate* delegate,
 680     const Extension* extension,
 681     const IssueAdviceInfo& issue_advice) {
 682   DCHECK(ui_loop_ == base::MessageLoop::current());
 683   extension_ = extension;
 684   delegate_ = delegate;
 685   prompt_.set_type(PERMISSIONS_PROMPT);
 686
 687   record_oauth2_grant_ = true;
 688   prompt_.SetOAuthIssueAdvice(issue_advice);
 689
 690   LoadImageIfNeeded();
 691 }
 692
 693 void ExtensionInstallPrompt::ReviewPermissions(
 694     Delegate* delegate,
 695     const Extension* extension,
 696     const std::vector<base::FilePath>& retained_file_paths) {
 697   DCHECK(ui_loop_ == base::MessageLoop::current());
 698   extension_ = extension;
 699   permissions_ = extension->GetActivePermissions();
 700   prompt_.set_retained_files(retained_file_paths);
 701   delegate_ = delegate;
 702   prompt_.set_type(POST_INSTALL_PERMISSIONS_PROMPT);
 703
 704   LoadImageIfNeeded();
 705 }
 706
 707 void ExtensionInstallPrompt::OnInstallSuccess(const Extension* extension,
 708                                               SkBitmap* icon) {
 709   extension_ = extension;
 710   SetIcon(icon);
 711
 712   install_ui_->OnInstallSuccess(extension, &icon_);
 713 }
 714
 715 void ExtensionInstallPrompt::OnInstallFailure(
 716     const extensions::CrxInstallerError& error) {
 717   install_ui_->OnInstallFailure(error);
 718 }
 719
 720 void ExtensionInstallPrompt::SetIcon(const SkBitmap* image) {
 721   if (image)
 722     icon_ = *image;
 723   else
 724     icon_ = SkBitmap();
 725   if (icon_.empty()) {
 726     // Let's set default icon bitmap whose size is equal to the default icon's
 727     // pixel size under maximal supported scale factor. If the bitmap is larger
 728     // than the one we need, it will be scaled down by the ui code.
 729     icon_ = GetDefaultIconBitmapForMaxScaleFactor(extension_->is_app());
 730   }
 731 }
 732
 733 void ExtensionInstallPrompt::OnImageLoaded(const gfx::Image& image) {
 734   SetIcon(image.IsEmpty() ? NULL : image.ToSkBitmap());
 735   ShowConfirmation();
 736 }
 737
 738 void ExtensionInstallPrompt::LoadImageIfNeeded() {
 739   // Bundle install prompts do not have an icon.
 740   // Also |install_ui_.profile()| can be NULL in unit tests.
 741   if (!icon_.empty() || !install_ui_->profile()) {
 742     ShowConfirmation();
 743     return;
 744   }
 745
 746   // Load the image asynchronously. For the response, check OnImageLoaded.
 747   extensions::ExtensionResource image = extensions::IconsInfo::GetIconResource(
 748       extension_,
 749       extension_misc::EXTENSION_ICON_LARGE,
 750       ExtensionIconSet::MATCH_BIGGER);
 751   // Load the icon whose pixel size is large enough to be displayed under
 752   // maximal supported scale factor. UI code will scale the icon down if needed.
 753   // TODO(tbarzic): We should use IconImage here and load the required bitmap
 754   //     lazily.
 755   int pixel_size = GetSizeForMaxScaleFactor(kIconSize);
 756   extensions::ImageLoader::Get(install_ui_->profile())->LoadImageAsync(
 757       extension_, image, gfx::Size(pixel_size, pixel_size),
 758       base::Bind(&ExtensionInstallPrompt::OnImageLoaded, AsWeakPtr()));
 759 }
 760
 761 void ExtensionInstallPrompt::OnGetTokenSuccess(
 762     const OAuth2TokenService::Request* request,
 763     const std::string& access_token,
 764     const base::Time& expiration_time) {
 765   DCHECK_EQ(login_token_request_.get(), request);
 766   login_token_request_.reset();
 767
 768   const extensions::OAuth2Info& oauth2_info =
 769       extensions::OAuth2Info::GetOAuth2Info(extension_);
 770
 771   token_flow_.reset(new OAuth2MintTokenFlow(
 772       install_ui_->profile()->GetRequestContext(),
 773       this,
 774       OAuth2MintTokenFlow::Parameters(
 775           access_token,
 776           extension_->id(),
 777           oauth2_info.client_id,
 778           oauth2_info.scopes,
 779           OAuth2MintTokenFlow::MODE_ISSUE_ADVICE)));
 780   token_flow_->Start();
 781 }
 782
 783 void ExtensionInstallPrompt::OnGetTokenFailure(
 784     const OAuth2TokenService::Request* request,
 785     const GoogleServiceAuthError& error) {
 786   DCHECK_EQ(login_token_request_.get(), request);
 787   login_token_request_.reset();
 788   ShowConfirmation();
 789 }
 790
 791 void ExtensionInstallPrompt::OnIssueAdviceSuccess(
 792     const IssueAdviceInfo& advice_info) {
 793   prompt_.SetOAuthIssueAdvice(advice_info);
 794   record_oauth2_grant_ = true;
 795   ShowConfirmation();
 796 }
 797
 798 void ExtensionInstallPrompt::OnMintTokenFailure(
 799     const GoogleServiceAuthError& error) {
 800   ShowConfirmation();
 801 }
 802
 803 void ExtensionInstallPrompt::ShowConfirmation() {
 804   if (prompt_.type() == INSTALL_PROMPT)
 805     prompt_.set_experiment(ExtensionInstallPromptExperiment::Find());
 806   else
 807     prompt_.set_experiment(ExtensionInstallPromptExperiment::ControlGroup());
 808
 809   if (permissions_.get() &&
 810       (!extension_ ||
 811        !extensions::PermissionsData::ShouldSkipPermissionWarnings(
 812            extension_))) {
 813     Manifest::Type extension_type = extension_ ?
 814         extension_->GetType() : Manifest::TYPE_UNKNOWN;
 815     prompt_.SetPermissions(
 816         extensions::PermissionMessageProvider::Get()->
 817             GetWarningMessages(permissions_, extension_type));
 818     prompt_.SetPermissionsDetails(
 819         extensions::PermissionMessageProvider::Get()->
 820             GetWarningMessagesDetails(permissions_, extension_type));
 821   }
 822
 823   switch (prompt_.type()) {
 824     case PERMISSIONS_PROMPT:
 825     case RE_ENABLE_PROMPT:
 826     case INLINE_INSTALL_PROMPT:
 827     case EXTERNAL_INSTALL_PROMPT:
 828     case INSTALL_PROMPT:
 829     case LAUNCH_PROMPT:
 830     case POST_INSTALL_PERMISSIONS_PROMPT: {
 831       prompt_.set_extension(extension_);
 832       prompt_.set_icon(gfx::Image::CreateFrom1xBitmap(icon_));
 833       break;
 834     }
 835     case BUNDLE_INSTALL_PROMPT: {
 836       prompt_.set_bundle(bundle_);
 837       break;
 838     }
 839     default:
 840       NOTREACHED() << "Unknown message";
 841       return;
 842   }
 843
 844   if (AutoConfirmPrompt(delegate_))
 845     return;
 846
 847   if (show_dialog_callback_.is_null())
 848     GetDefaultShowDialogCallback().Run(show_params_, delegate_, prompt_);
 849   else
 850     show_dialog_callback_.Run(show_params_, delegate_, prompt_);
 851 }