chrome/browser/extensions/extension_install

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
GetSizeForMaxScaleFactor
GetDefaultIconBitmapForMaxScaleFactor
AutoConfirmPrompt
ProfileForWebContents
NativeWindowForWebContents
has_webstore_data_
SetPermissions
SetPermissionsDetails
SetIsShowingDetails
SetOAuthIssueAdvice
SetUserNameFromProfile
SetWebstoreData
GetDialogTitle
GetHeading
GetDialogButtons
ShouldShowExplanationText
HasAcceptButtonLabel
GetAcceptButtonLabel
HasAbortButtonLabel
GetAbortButtonLabel
GetPermissionsHeading
GetOAuthHeading
GetRetainedFilesHeading
ShouldShowPermissions
AppendRatingStars
GetRatingCount
GetUserCount
GetPermissionCount
GetPermissionsDetailsCount
GetPermission
GetPermissionsDetails
GetIsShowingDetails
GetOAuthIssueCount
GetOAuthIssue
GetRetainedFileCount
GetRetainedFile
ShouldDisplayRevokeFilesButton
navigator
navigator
GetLocalizedExtensionForDisplay
prompt_
prompt_
ConfirmBundleInstall
ConfirmStandaloneInstall
ConfirmWebstoreInstall
ConfirmInstall
ConfirmReEnable
ConfirmExternalInstall
ConfirmPermissions
ConfirmIssueAdvice
ReviewPermissions
OnInstallSuccess
OnInstallFailure
SetIcon
OnImageLoaded
LoadImageIfNeeded
OnGetTokenSuccess
OnGetTokenFailure
OnIssueAdviceSuccess
OnMintTokenFailure
ShowConfirmation
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/extensions/extension_install_prompt.h"

#include <map>

#include "base/command_line.h"
#include "base/message_loop/message_loop.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/extensions/bundle_installer.h"
#include "chrome/browser/extensions/extension_install_ui.h"
#include "chrome/browser/extensions/image_loader.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/extensions/api/identity/oauth2_manifest_handler.h"
#include "chrome/common/extensions/extension_icon_set.h"
#include "chrome/common/extensions/manifest_handlers/icons_handler.h"
#include "chrome/common/pref_names.h"
#include "components/signin/core/browser/profile_oauth2_token_service.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_resource.h"
#include "extensions/common/feature_switch.h"
#include "extensions/common/manifest.h"
#include "extensions/common/manifest_constants.h"
#include "extensions/common/permissions/permission_message_provider.h"
#include "extensions/common/permissions/permission_set.h"
#include "extensions/common/permissions/permissions_data.h"
#include "extensions/common/url_pattern.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/image/image.h"

using extensions::BundleInstaller;
using extensions::Extension;
using extensions::Manifest;
using extensions::PermissionSet;

namespace {

static const int kTitleIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  0,  // The regular install prompt depends on what's being installed.
  IDS_EXTENSION_INLINE_INSTALL_PROMPT_TITLE,
  IDS_EXTENSION_INSTALL_PROMPT_TITLE,
  IDS_EXTENSION_RE_ENABLE_PROMPT_TITLE,
  IDS_EXTENSION_PERMISSIONS_PROMPT_TITLE,
  IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_TITLE,
  IDS_EXTENSION_POST_INSTALL_PERMISSIONS_PROMPT_TITLE,
  IDS_EXTENSION_LAUNCH_APP_PROMPT_TITLE,
};
static const int kHeadingIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  IDS_EXTENSION_INSTALL_PROMPT_HEADING,
  0,  // Inline installs use the extension name.
  0,  // Heading for bundle installs depends on the bundle contents.
  IDS_EXTENSION_RE_ENABLE_PROMPT_HEADING,
  IDS_EXTENSION_PERMISSIONS_PROMPT_HEADING,
  0,  // External installs use different strings for extensions/apps.
  IDS_EXTENSION_POST_INSTALL_PERMISSIONS_PROMPT_HEADING,
  IDS_EXTENSION_LAUNCH_APP_PROMPT_HEADING,
};
static const int kButtons[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  ui::DIALOG_BUTTON_CANCEL,
  ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
};
static const int kAcceptButtonIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  IDS_EXTENSION_PROMPT_INSTALL_BUTTON,
  IDS_EXTENSION_PROMPT_INSTALL_BUTTON,
  IDS_EXTENSION_PROMPT_INSTALL_BUTTON,
  IDS_EXTENSION_PROMPT_RE_ENABLE_BUTTON,
  IDS_EXTENSION_PROMPT_PERMISSIONS_BUTTON,
  0,  // External installs use different strings for extensions/apps.
  IDS_EXTENSION_PROMPT_PERMISSIONS_CLEAR_RETAINED_FILES_BUTTON,
  IDS_EXTENSION_PROMPT_LAUNCH_BUTTON,
};
static const int kAbortButtonIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  0,  // These all use the platform's default cancel label.
  0,
  0,
  0,
  IDS_EXTENSION_PROMPT_PERMISSIONS_ABORT_BUTTON,
  IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ABORT_BUTTON,
  IDS_CLOSE,
  0,  // Platform dependent cancel button.
};
static const int kPermissionsHeaderIds[
    ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
  IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
  IDS_EXTENSION_PROMPT_THESE_WILL_HAVE_ACCESS_TO,
  IDS_EXTENSION_PROMPT_WILL_NOW_HAVE_ACCESS_TO,
  IDS_EXTENSION_PROMPT_WANTS_ACCESS_TO,
  IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
  IDS_EXTENSION_PROMPT_CAN_ACCESS,
  IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
};
static const int kOAuthHeaderIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  IDS_EXTENSION_PROMPT_OAUTH_HEADER,
  0,  // Inline installs don't show OAuth permissions.
  0,  // Bundle installs don't show OAuth permissions.
  IDS_EXTENSION_PROMPT_OAUTH_REENABLE_HEADER,
  IDS_EXTENSION_PROMPT_OAUTH_PERMISSIONS_HEADER,
  0,
  0,
  IDS_EXTENSION_PROMPT_OAUTH_HEADER,
};

// Size of extension icon in top left of dialog.
const int kIconSize = 69;

// Returns pixel size under maximal scale factor for the icon whose device
// independent size is |size_in_dip|
int GetSizeForMaxScaleFactor(int size_in_dip) {
  return static_cast<int>(size_in_dip * gfx::ImageSkia::GetMaxSupportedScale());
}

// Returns bitmap for the default icon with size equal to the default icon's
// pixel size under maximal supported scale factor.
SkBitmap GetDefaultIconBitmapForMaxScaleFactor(bool is_app) {
  const gfx::ImageSkia& image = is_app ?
      extensions::IconsInfo::GetDefaultAppIcon() :
      extensions::IconsInfo::GetDefaultExtensionIcon();
  return image.GetRepresentation(
      gfx::ImageSkia::GetMaxSupportedScale()).sk_bitmap();
}

// If auto confirm is enabled then posts a task to proceed with or cancel the
// install and returns true. Otherwise returns false.
bool AutoConfirmPrompt(ExtensionInstallPrompt::Delegate* delegate) {
  const CommandLine* cmdline = CommandLine::ForCurrentProcess();
  if (!cmdline->HasSwitch(switches::kAppsGalleryInstallAutoConfirmForTests))
    return false;
  std::string value = cmdline->GetSwitchValueASCII(
      switches::kAppsGalleryInstallAutoConfirmForTests);

  // We use PostTask instead of calling the delegate directly here, because in
  // the real implementations it's highly likely the message loop will be
  // pumping a few times before the user clicks accept or cancel.
  if (value == "accept") {
    base::MessageLoop::current()->PostTask(
        FROM_HERE,
        base::Bind(&ExtensionInstallPrompt::Delegate::InstallUIProceed,
                   base::Unretained(delegate)));
    return true;
  }

  if (value == "cancel") {
    base::MessageLoop::current()->PostTask(
        FROM_HERE,
        base::Bind(&ExtensionInstallPrompt::Delegate::InstallUIAbort,
                   base::Unretained(delegate),
                   true));
    return true;
  }

  NOTREACHED();
  return false;
}

Profile* ProfileForWebContents(content::WebContents* web_contents) {
  if (!web_contents)
    return NULL;
  return Profile::FromBrowserContext(web_contents->GetBrowserContext());
}

gfx::NativeWindow NativeWindowForWebContents(content::WebContents* contents) {
  if (!contents)
    return NULL;

  return contents->GetView()->GetTopLevelNativeWindow();
}

}  // namespace

ExtensionInstallPrompt::Prompt::Prompt(PromptType type)
    : type_(type),
      is_showing_details_for_retained_files_(false),
      extension_(NULL),
      bundle_(NULL),
      average_rating_(0.0),
      rating_count_(0),
      show_user_count_(false),
      has_webstore_data_(false) {
}

ExtensionInstallPrompt::Prompt::~Prompt() {
}

void ExtensionInstallPrompt::Prompt::SetPermissions(
    const std::vector<base::string16>& permissions) {
  permissions_ = permissions;
}

void ExtensionInstallPrompt::Prompt::SetPermissionsDetails(
    const std::vector<base::string16>& details) {
  details_ = details;
  is_showing_details_for_permissions_.clear();
  for (size_t i = 0; i < details.size(); ++i)
    is_showing_details_for_permissions_.push_back(false);
}

void ExtensionInstallPrompt::Prompt::SetIsShowingDetails(
    DetailsType type,
    size_t index,
    bool is_showing_details) {
  switch (type) {
    case PERMISSIONS_DETAILS:
      is_showing_details_for_permissions_[index] = is_showing_details;
      break;
    case OAUTH_DETAILS:
      is_showing_details_for_oauth_[index] = is_showing_details;
      break;
    case RETAINED_FILES_DETAILS:
      is_showing_details_for_retained_files_ = is_showing_details;
      break;
  }
}

void ExtensionInstallPrompt::Prompt::SetOAuthIssueAdvice(
    const IssueAdviceInfo& issue_advice) {
  is_showing_details_for_oauth_.clear();
  for (size_t i = 0; i < issue_advice.size(); ++i)
    is_showing_details_for_oauth_.push_back(false);

  oauth_issue_advice_ = issue_advice;
}

void ExtensionInstallPrompt::Prompt::SetUserNameFromProfile(Profile* profile) {
  // |profile| can be NULL in unit tests.
  if (profile) {
    oauth_user_name_ = base::UTF8ToUTF16(profile->GetPrefs()->GetString(
        prefs::kGoogleServicesUsername));
  } else {
    oauth_user_name_.clear();
  }
}

void ExtensionInstallPrompt::Prompt::SetWebstoreData(
    const std::string& localized_user_count,
    bool show_user_count,
    double average_rating,
    int rating_count) {
  CHECK(type_ == INLINE_INSTALL_PROMPT || type_ == EXTERNAL_INSTALL_PROMPT);
  localized_user_count_ = localized_user_count;
  show_user_count_ = show_user_count;
  average_rating_ = average_rating;
  rating_count_ = rating_count;
  has_webstore_data_ = true;
}

base::string16 ExtensionInstallPrompt::Prompt::GetDialogTitle() const {
  int resource_id = kTitleIds[type_];

  if (type_ == INSTALL_PROMPT) {
    if (extension_->is_app())
      resource_id = IDS_EXTENSION_INSTALL_APP_PROMPT_TITLE;
    else if (extension_->is_theme())
      resource_id = IDS_EXTENSION_INSTALL_THEME_PROMPT_TITLE;
    else
      resource_id = IDS_EXTENSION_INSTALL_EXTENSION_PROMPT_TITLE;
  } else if (type_ == EXTERNAL_INSTALL_PROMPT) {
    return l10n_util::GetStringFUTF16(
        resource_id, base::UTF8ToUTF16(extension_->name()));
  }

  return l10n_util::GetStringUTF16(resource_id);
}

base::string16 ExtensionInstallPrompt::Prompt::GetHeading() const {
  if (type_ == INLINE_INSTALL_PROMPT) {
    return base::UTF8ToUTF16(extension_->name());
  } else if (type_ == BUNDLE_INSTALL_PROMPT) {
    return bundle_->GetHeadingTextFor(BundleInstaller::Item::STATE_PENDING);
  } else if (type_ == EXTERNAL_INSTALL_PROMPT) {
    int resource_id = -1;
    if (extension_->is_app())
      resource_id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_HEADING_APP;
    else if (extension_->is_theme())
      resource_id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_HEADING_THEME;
    else
      resource_id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_HEADING_EXTENSION;
    return l10n_util::GetStringUTF16(resource_id);
  } else {
    return l10n_util::GetStringFUTF16(
        kHeadingIds[type_], base::UTF8ToUTF16(extension_->name()));
  }
}

int ExtensionInstallPrompt::Prompt::GetDialogButtons() const {
  if (type_ == POST_INSTALL_PERMISSIONS_PROMPT &&
      ShouldDisplayRevokeFilesButton()) {
    return kButtons[type_] | ui::DIALOG_BUTTON_OK;
  }

  return kButtons[type_];
}

bool ExtensionInstallPrompt::Prompt::ShouldShowExplanationText() const {
   return type_ == INSTALL_PROMPT &&
       extension_->is_extension() && experiment_ && experiment_->text_only();
}

bool ExtensionInstallPrompt::Prompt::HasAcceptButtonLabel() const {
  if (kAcceptButtonIds[type_] == 0)
    return false;

  if (type_ == POST_INSTALL_PERMISSIONS_PROMPT)
    return ShouldDisplayRevokeFilesButton();

  return true;
}

base::string16 ExtensionInstallPrompt::Prompt::GetAcceptButtonLabel() const {
  if (type_ == EXTERNAL_INSTALL_PROMPT) {
    int id = -1;
    if (extension_->is_app())
      id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ACCEPT_BUTTON_APP;
    else if (extension_->is_theme())
      id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ACCEPT_BUTTON_THEME;
    else
      id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ACCEPT_BUTTON_EXTENSION;
    return l10n_util::GetStringUTF16(id);
  }
  if (ShouldShowExplanationText())
    return experiment_->GetOkButtonText();
  return l10n_util::GetStringUTF16(kAcceptButtonIds[type_]);
}

bool ExtensionInstallPrompt::Prompt::HasAbortButtonLabel() const {
  if (ShouldShowExplanationText())
    return true;
  return kAbortButtonIds[type_] > 0;
}

base::string16 ExtensionInstallPrompt::Prompt::GetAbortButtonLabel() const {
  CHECK(HasAbortButtonLabel());
  if (ShouldShowExplanationText())
    return experiment_->GetCancelButtonText();
  return l10n_util::GetStringUTF16(kAbortButtonIds[type_]);
}

base::string16 ExtensionInstallPrompt::Prompt::GetPermissionsHeading() const {
  return l10n_util::GetStringUTF16(kPermissionsHeaderIds[type_]);
}

base::string16 ExtensionInstallPrompt::Prompt::GetOAuthHeading() const {
  return l10n_util::GetStringFUTF16(kOAuthHeaderIds[type_], oauth_user_name_);
}

base::string16 ExtensionInstallPrompt::Prompt::GetRetainedFilesHeading() const {
  const int kRetainedFilesMessageIDs[6] = {
      IDS_EXTENSION_PROMPT_RETAINED_FILES_DEFAULT,
      IDS_EXTENSION_PROMPT_RETAINED_FILE_SINGULAR,
      IDS_EXTENSION_PROMPT_RETAINED_FILES_ZERO,
      IDS_EXTENSION_PROMPT_RETAINED_FILES_TWO,
      IDS_EXTENSION_PROMPT_RETAINED_FILES_FEW,
      IDS_EXTENSION_PROMPT_RETAINED_FILES_MANY,
  };
  std::vector<int> message_ids;
  for (size_t i = 0; i < arraysize(kRetainedFilesMessageIDs); i++) {
    message_ids.push_back(kRetainedFilesMessageIDs[i]);
  }
  return l10n_util::GetPluralStringFUTF16(message_ids, GetRetainedFileCount());
}

bool ExtensionInstallPrompt::Prompt::ShouldShowPermissions() const {
  return GetPermissionCount() > 0 || type_ == POST_INSTALL_PERMISSIONS_PROMPT;
}

void ExtensionInstallPrompt::Prompt::AppendRatingStars(
    StarAppender appender, void* data) const {
  CHECK(appender);
  CHECK(type_ == INLINE_INSTALL_PROMPT || type_ == EXTERNAL_INSTALL_PROMPT);
  int rating_integer = floor(average_rating_);
  double rating_fractional = average_rating_ - rating_integer;

  if (rating_fractional > 0.66) {
    rating_integer++;
  }

  if (rating_fractional < 0.33 || rating_fractional > 0.66) {
    rating_fractional = 0;
  }

  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
  int i;
  for (i = 0; i < rating_integer; i++) {
    appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_ON), data);
  }
  if (rating_fractional) {
    appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_HALF_LEFT), data);
    i++;
  }
  for (; i < kMaxExtensionRating; i++) {
    appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_OFF), data);
  }
}

base::string16 ExtensionInstallPrompt::Prompt::GetRatingCount() const {
  CHECK(type_ == INLINE_INSTALL_PROMPT || type_ == EXTERNAL_INSTALL_PROMPT);
  return l10n_util::GetStringFUTF16(IDS_EXTENSION_RATING_COUNT,
                                    base::IntToString16(rating_count_));
}

base::string16 ExtensionInstallPrompt::Prompt::GetUserCount() const {
  CHECK(type_ == INLINE_INSTALL_PROMPT || type_ == EXTERNAL_INSTALL_PROMPT);

  if (show_user_count_) {
    return l10n_util::GetStringFUTF16(IDS_EXTENSION_USER_COUNT,
                                      base::UTF8ToUTF16(localized_user_count_));
  }
  return base::string16();
}

size_t ExtensionInstallPrompt::Prompt::GetPermissionCount() const {
  return permissions_.size();
}

size_t ExtensionInstallPrompt::Prompt::GetPermissionsDetailsCount() const {
  return details_.size();
}

base::string16 ExtensionInstallPrompt::Prompt::GetPermission(size_t index)
    const {
  CHECK_LT(index, permissions_.size());
  return permissions_[index];
}

base::string16 ExtensionInstallPrompt::Prompt::GetPermissionsDetails(
    size_t index) const {
  CHECK_LT(index, details_.size());
  return details_[index];
}

bool ExtensionInstallPrompt::Prompt::GetIsShowingDetails(
    DetailsType type, size_t index) const {
  switch (type) {
    case PERMISSIONS_DETAILS:
      CHECK_LT(index, is_showing_details_for_permissions_.size());
      return is_showing_details_for_permissions_[index];
    case OAUTH_DETAILS:
      CHECK_LT(index, is_showing_details_for_oauth_.size());
      return is_showing_details_for_oauth_[index];
    case RETAINED_FILES_DETAILS:
      return is_showing_details_for_retained_files_;
  }
  return false;
}

size_t ExtensionInstallPrompt::Prompt::GetOAuthIssueCount() const {
  return oauth_issue_advice_.size();
}

const IssueAdviceInfoEntry& ExtensionInstallPrompt::Prompt::GetOAuthIssue(
    size_t index) const {
  CHECK_LT(index, oauth_issue_advice_.size());
  return oauth_issue_advice_[index];
}

size_t ExtensionInstallPrompt::Prompt::GetRetainedFileCount() const {
  return retained_files_.size();
}

base::string16 ExtensionInstallPrompt::Prompt::GetRetainedFile(size_t index)
    const {
  CHECK_LT(index, retained_files_.size());
  return retained_files_[index].AsUTF16Unsafe();
}

bool ExtensionInstallPrompt::Prompt::ShouldDisplayRevokeFilesButton() const {
  return !retained_files_.empty();
}

ExtensionInstallPrompt::ShowParams::ShowParams(content::WebContents* contents)
    : parent_web_contents(contents),
      parent_window(NativeWindowForWebContents(contents)),
      navigator(contents) {
}

ExtensionInstallPrompt::ShowParams::ShowParams(
    gfx::NativeWindow window,
    content::PageNavigator* navigator)
    : parent_web_contents(NULL),
      parent_window(window),
      navigator(navigator) {
}

// static
scoped_refptr<Extension>
    ExtensionInstallPrompt::GetLocalizedExtensionForDisplay(
    const base::DictionaryValue* manifest,
    int flags,
    const std::string& id,
    const std::string& localized_name,
    const std::string& localized_description,
    std::string* error) {
  scoped_ptr<base::DictionaryValue> localized_manifest;
  if (!localized_name.empty() || !localized_description.empty()) {
    localized_manifest.reset(manifest->DeepCopy());
    if (!localized_name.empty()) {
      localized_manifest->SetString(extensions::manifest_keys::kName,
                                    localized_name);
    }
    if (!localized_description.empty()) {
      localized_manifest->SetString(extensions::manifest_keys::kDescription,
                                    localized_description);
    }
  }

  return Extension::Create(
      base::FilePath(),
      Manifest::INTERNAL,
      localized_manifest.get() ? *localized_manifest.get() : *manifest,
      flags,
      id,
      error);
}

ExtensionInstallPrompt::ExtensionInstallPrompt(content::WebContents* contents)
    : OAuth2TokenService::Consumer("extensions_install"),
      record_oauth2_grant_(false),
      ui_loop_(base::MessageLoop::current()),
      extension_(NULL),
      bundle_(NULL),
      install_ui_(ExtensionInstallUI::Create(ProfileForWebContents(contents))),
      show_params_(contents),
      delegate_(NULL),
      prompt_(UNSET_PROMPT_TYPE) {
  prompt_.SetUserNameFromProfile(install_ui_->profile());
}

ExtensionInstallPrompt::ExtensionInstallPrompt(
    Profile* profile,
    gfx::NativeWindow native_window,
    content::PageNavigator* navigator)
    : OAuth2TokenService::Consumer("extensions_install"),
      record_oauth2_grant_(false),
      ui_loop_(base::MessageLoop::current()),
      extension_(NULL),
      bundle_(NULL),
      install_ui_(ExtensionInstallUI::Create(profile)),
      show_params_(native_window, navigator),
      delegate_(NULL),
      prompt_(UNSET_PROMPT_TYPE) {
  prompt_.SetUserNameFromProfile(install_ui_->profile());
}

ExtensionInstallPrompt::~ExtensionInstallPrompt() {
}

void ExtensionInstallPrompt::ConfirmBundleInstall(
    extensions::BundleInstaller* bundle,
    const PermissionSet* permissions) {
  DCHECK(ui_loop_ == base::MessageLoop::current());
  bundle_ = bundle;
  permissions_ = permissions;
  delegate_ = bundle;
  prompt_.set_type(BUNDLE_INSTALL_PROMPT);

  ShowConfirmation();
}

void ExtensionInstallPrompt::ConfirmStandaloneInstall(
    Delegate* delegate,
    const Extension* extension,
    SkBitmap* icon,
    const ExtensionInstallPrompt::Prompt& prompt) {
  DCHECK(ui_loop_ == base::MessageLoop::current());
  extension_ = extension;
  permissions_ = extension->GetActivePermissions();
  delegate_ = delegate;
  prompt_ = prompt;

  SetIcon(icon);
  ShowConfirmation();
}

void ExtensionInstallPrompt::ConfirmWebstoreInstall(
    Delegate* delegate,
    const Extension* extension,
    const SkBitmap* icon,
    const ShowDialogCallback& show_dialog_callback) {
  // SetIcon requires |extension_| to be set. ConfirmInstall will setup the
  // remaining fields.
  extension_ = extension;
  SetIcon(icon);
  ConfirmInstall(delegate, extension, show_dialog_callback);
}

void ExtensionInstallPrompt::ConfirmInstall(
    Delegate* delegate,
    const Extension* extension,
    const ShowDialogCallback& show_dialog_callback) {
  DCHECK(ui_loop_ == base::MessageLoop::current());
  extension_ = extension;
  permissions_ = extension->GetActivePermissions();
  delegate_ = delegate;
  prompt_.set_type(INSTALL_PROMPT);
  show_dialog_callback_ = show_dialog_callback;

  // We special-case themes to not show any confirm UI. Instead they are
  // immediately installed, and then we show an infobar (see OnInstallSuccess)
  // to allow the user to revert if they don't like it.
  //
  // We don't do this in the case where off-store extension installs are
  // disabled because in that case, we don't show the dangerous download UI, so
  // we need the UI confirmation.
  if (extension->is_theme()) {
    if (extension->from_webstore() ||
        extensions::FeatureSwitch::easy_off_store_install()->IsEnabled()) {
      delegate->InstallUIProceed();
      return;
    }
  }

  LoadImageIfNeeded();
}

void ExtensionInstallPrompt::ConfirmReEnable(Delegate* delegate,
                                             const Extension* extension) {
  DCHECK(ui_loop_ == base::MessageLoop::current());
  extension_ = extension;
  permissions_ = extension->GetActivePermissions();
  delegate_ = delegate;
  prompt_.set_type(extension->is_ephemeral() ? LAUNCH_PROMPT :
                                               RE_ENABLE_PROMPT);

  LoadImageIfNeeded();
}

void ExtensionInstallPrompt::ConfirmExternalInstall(
    Delegate* delegate,
    const Extension* extension,
    const ShowDialogCallback& show_dialog_callback,
    const Prompt& prompt) {
  DCHECK(ui_loop_ == base::MessageLoop::current());
  extension_ = extension;
  permissions_ = extension->GetActivePermissions();
  delegate_ = delegate;
  prompt_ = prompt;
  show_dialog_callback_ = show_dialog_callback;

  LoadImageIfNeeded();
}

void ExtensionInstallPrompt::ConfirmPermissions(
    Delegate* delegate,
    const Extension* extension,
    const PermissionSet* permissions) {
  DCHECK(ui_loop_ == base::MessageLoop::current());
  extension_ = extension;
  permissions_ = permissions;
  delegate_ = delegate;
  prompt_.set_type(PERMISSIONS_PROMPT);

  LoadImageIfNeeded();
}

void ExtensionInstallPrompt::ConfirmIssueAdvice(
    Delegate* delegate,
    const Extension* extension,
    const IssueAdviceInfo& issue_advice) {
  DCHECK(ui_loop_ == base::MessageLoop::current());
  extension_ = extension;
  delegate_ = delegate;
  prompt_.set_type(PERMISSIONS_PROMPT);

  record_oauth2_grant_ = true;
  prompt_.SetOAuthIssueAdvice(issue_advice);

  LoadImageIfNeeded();
}

void ExtensionInstallPrompt::ReviewPermissions(
    Delegate* delegate,
    const Extension* extension,
    const std::vector<base::FilePath>& retained_file_paths) {
  DCHECK(ui_loop_ == base::MessageLoop::current());
  extension_ = extension;
  permissions_ = extension->GetActivePermissions();
  prompt_.set_retained_files(retained_file_paths);
  delegate_ = delegate;
  prompt_.set_type(POST_INSTALL_PERMISSIONS_PROMPT);

  LoadImageIfNeeded();
}

void ExtensionInstallPrompt::OnInstallSuccess(const Extension* extension,
                                              SkBitmap* icon) {
  extension_ = extension;
  SetIcon(icon);

  install_ui_->OnInstallSuccess(extension, &icon_);
}

void ExtensionInstallPrompt::OnInstallFailure(
    const extensions::CrxInstallerError& error) {
  install_ui_->OnInstallFailure(error);
}

void ExtensionInstallPrompt::SetIcon(const SkBitmap* image) {
  if (image)
    icon_ = *image;
  else
    icon_ = SkBitmap();
  if (icon_.empty()) {
    // Let's set default icon bitmap whose size is equal to the default icon's
    // pixel size under maximal supported scale factor. If the bitmap is larger
    // than the one we need, it will be scaled down by the ui code.
    icon_ = GetDefaultIconBitmapForMaxScaleFactor(extension_->is_app());
  }
}

void ExtensionInstallPrompt::OnImageLoaded(const gfx::Image& image) {
  SetIcon(image.IsEmpty() ? NULL : image.ToSkBitmap());
  ShowConfirmation();
}

void ExtensionInstallPrompt::LoadImageIfNeeded() {
  // Bundle install prompts do not have an icon.
  // Also |install_ui_.profile()| can be NULL in unit tests.
  if (!icon_.empty() || !install_ui_->profile()) {
    ShowConfirmation();
    return;
  }

  // Load the image asynchronously. For the response, check OnImageLoaded.
  extensions::ExtensionResource image = extensions::IconsInfo::GetIconResource(
      extension_,
      extension_misc::EXTENSION_ICON_LARGE,
      ExtensionIconSet::MATCH_BIGGER);
  // Load the icon whose pixel size is large enough to be displayed under
  // maximal supported scale factor. UI code will scale the icon down if needed.
  // TODO(tbarzic): We should use IconImage here and load the required bitmap
  //     lazily.
  int pixel_size = GetSizeForMaxScaleFactor(kIconSize);
  extensions::ImageLoader::Get(install_ui_->profile())->LoadImageAsync(
      extension_, image, gfx::Size(pixel_size, pixel_size),
      base::Bind(&ExtensionInstallPrompt::OnImageLoaded, AsWeakPtr()));
}

void ExtensionInstallPrompt::OnGetTokenSuccess(
    const OAuth2TokenService::Request* request,
    const std::string& access_token,
    const base::Time& expiration_time) {
  DCHECK_EQ(login_token_request_.get(), request);
  login_token_request_.reset();

  const extensions::OAuth2Info& oauth2_info =
      extensions::OAuth2Info::GetOAuth2Info(extension_);

  token_flow_.reset(new OAuth2MintTokenFlow(
      install_ui_->profile()->GetRequestContext(),
      this,
      OAuth2MintTokenFlow::Parameters(
          access_token,
          extension_->id(),
          oauth2_info.client_id,
          oauth2_info.scopes,
          OAuth2MintTokenFlow::MODE_ISSUE_ADVICE)));
  token_flow_->Start();
}

void ExtensionInstallPrompt::OnGetTokenFailure(
    const OAuth2TokenService::Request* request,
    const GoogleServiceAuthError& error) {
  DCHECK_EQ(login_token_request_.get(), request);
  login_token_request_.reset();
  ShowConfirmation();
}

void ExtensionInstallPrompt::OnIssueAdviceSuccess(
    const IssueAdviceInfo& advice_info) {
  prompt_.SetOAuthIssueAdvice(advice_info);
  record_oauth2_grant_ = true;
  ShowConfirmation();
}

void ExtensionInstallPrompt::OnMintTokenFailure(
    const GoogleServiceAuthError& error) {
  ShowConfirmation();
}

void ExtensionInstallPrompt::ShowConfirmation() {
  if (prompt_.type() == INSTALL_PROMPT)
    prompt_.set_experiment(ExtensionInstallPromptExperiment::Find());
  else
    prompt_.set_experiment(ExtensionInstallPromptExperiment::ControlGroup());

  if (permissions_.get() &&
      (!extension_ ||
       !extensions::PermissionsData::ShouldSkipPermissionWarnings(
           extension_))) {
    Manifest::Type extension_type = extension_ ?
        extension_->GetType() : Manifest::TYPE_UNKNOWN;
    prompt_.SetPermissions(
        extensions::PermissionMessageProvider::Get()->
            GetWarningMessages(permissions_, extension_type));
    prompt_.SetPermissionsDetails(
        extensions::PermissionMessageProvider::Get()->
            GetWarningMessagesDetails(permissions_, extension_type));
  }

  switch (prompt_.type()) {
    case PERMISSIONS_PROMPT:
    case RE_ENABLE_PROMPT:
    case INLINE_INSTALL_PROMPT:
    case EXTERNAL_INSTALL_PROMPT:
    case INSTALL_PROMPT:
    case LAUNCH_PROMPT:
    case POST_INSTALL_PERMISSIONS_PROMPT: {
      prompt_.set_extension(extension_);
      prompt_.set_icon(gfx::Image::CreateFrom1xBitmap(icon_));
      break;
    }
    case BUNDLE_INSTALL_PROMPT: {
      prompt_.set_bundle(bundle_);
      break;
    }
    default:
      NOTREACHED() << "Unknown message";
      return;
  }

  if (AutoConfirmPrompt(delegate_))
    return;

  if (show_dialog_callback_.is_null())
    GetDefaultShowDialogCallback().Run(show_params_, delegate_, prompt_);
  else
    show_dialog_callback_.Run(show_params_, delegate_, prompt_);
}
/* [<][>][^][v][top][bottom][index][help] */
root/chrome/browser/extensions/extension_install_prompt.cc

DEFINITIONS
