Refactoring ExtenionInstallUI to abstract the Browser references.

chrome/browser/extensions/extension_install_ui.cc

 // 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_ui.h"
-
-#include <map>
-
-#include "base/command_line.h"
-#include "base/file_util.h"
-#include "base/message_loop.h"
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
-#include "base/stringprintf.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/extensions/bundle_installer.h"
-#include "chrome/browser/extensions/extension_install_dialog.h"
-#include "chrome/browser/extensions/theme_installed_infobar_delegate.h"
-#include "chrome/browser/infobars/infobar_tab_helper.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/themes/theme_service.h"
-#include "chrome/browser/themes/theme_service_factory.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_dialogs.h"
-#include "chrome/browser/ui/browser_finder.h"
-#include "chrome/browser/ui/browser_navigator.h"
-#include "chrome/browser/ui/browser_window.h"
-#include "chrome/browser/ui/simple_message_box.h"
-#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
-#include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/chrome_switches.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_icon_set.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
-#include "chrome/common/extensions/extension_resource.h"
-#include "chrome/common/extensions/extension_switch_utils.h"
-#include "chrome/common/extensions/url_pattern.h"
-#include "chrome/common/url_constants.h"
-#include "content/public/browser/notification_service.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"
-
-#if defined(USE_ASH)
-#include "ash/shell.h"
-#endif
-
-using content::WebContents;
-using extensions::BundleInstaller;
-using extensions::Extension;
-
-static const int kTitleIds[ExtensionInstallUI::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
-};
-static const int kHeadingIds[ExtensionInstallUI::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
-};
-static const int kAcceptButtonIds[ExtensionInstallUI::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
-};
-static const int kAbortButtonIds[ExtensionInstallUI::NUM_PROMPT_TYPES] = {
-  0,  // These all use the platform's default cancel label.
-  0,
-  0,
-  0,
-  IDS_EXTENSION_PROMPT_PERMISSIONS_ABORT_BUTTON
-};
-static const int kPermissionsHeaderIds[ExtensionInstallUI::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,
-};
-
-namespace {
-
-// Size of extension icon in top left of dialog.
-const int kIconSize = 69;
-
-}  // namespace
-
-ExtensionInstallUI::Prompt::Prompt(PromptType type)
-    : type_(type),
-      extension_(NULL),
-      bundle_(NULL),
-      average_rating_(0.0),
-      rating_count_(0) {
-}
-
-ExtensionInstallUI::Prompt::~Prompt() {
-}
-
-void ExtensionInstallUI::Prompt::SetPermissions(
-    const std::vector<string16>& permissions) {
-  permissions_ = permissions;
-}
-
-void ExtensionInstallUI::Prompt::SetInlineInstallWebstoreData(
-    const std::string& localized_user_count,
-    double average_rating,
-    int rating_count) {
-  CHECK_EQ(INLINE_INSTALL_PROMPT, type_);
-  localized_user_count_ = localized_user_count;
-  average_rating_ = average_rating;
-  rating_count_ = rating_count;
-}
-
-string16 ExtensionInstallUI::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;
-  }
-
-  return l10n_util::GetStringUTF16(resource_id);
-}
-
-string16 ExtensionInstallUI::Prompt::GetHeading() const {
-  if (type_ == INLINE_INSTALL_PROMPT) {
-    return UTF8ToUTF16(extension_->name());
-  } else if (type_ == BUNDLE_INSTALL_PROMPT) {
-    return bundle_->GetHeadingTextFor(BundleInstaller::Item::STATE_PENDING);
-  } else {
-    return l10n_util::GetStringFUTF16(
-        kHeadingIds[type_], UTF8ToUTF16(extension_->name()));
-  }
-}
-
-string16 ExtensionInstallUI::Prompt::GetAcceptButtonLabel() const {
-  return l10n_util::GetStringUTF16(kAcceptButtonIds[type_]);
-}
-
-bool ExtensionInstallUI::Prompt::HasAbortButtonLabel() const {
-  return kAbortButtonIds[type_] > 0;
-}
-
-string16 ExtensionInstallUI::Prompt::GetAbortButtonLabel() const {
-  CHECK(HasAbortButtonLabel());
-  return l10n_util::GetStringUTF16(kAbortButtonIds[type_]);
-}
-
-string16 ExtensionInstallUI::Prompt::GetPermissionsHeading() const {
-  return l10n_util::GetStringUTF16(kPermissionsHeaderIds[type_]);
-}
-
-void ExtensionInstallUI::Prompt::AppendRatingStars(
-    StarAppender appender, void* data) const {
-  CHECK(appender);
-  CHECK_EQ(INLINE_INSTALL_PROMPT, type_);
-  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);
-  }
-}
-
-string16 ExtensionInstallUI::Prompt::GetRatingCount() const {
-  CHECK_EQ(INLINE_INSTALL_PROMPT, type_);
-  return l10n_util::GetStringFUTF16(
-        IDS_EXTENSION_RATING_COUNT,
-        UTF8ToUTF16(base::IntToString(rating_count_)));
-}
-
-string16 ExtensionInstallUI::Prompt::GetUserCount() const {
-  CHECK_EQ(INLINE_INSTALL_PROMPT, type_);
-  return l10n_util::GetStringFUTF16(
-      IDS_EXTENSION_USER_COUNT,
-      UTF8ToUTF16(localized_user_count_));
-}
-
-size_t ExtensionInstallUI::Prompt::GetPermissionCount() const {
-  return permissions_.size();
-}
-
-string16 ExtensionInstallUI::Prompt::GetPermission(size_t index) const {
-  CHECK_LT(index, permissions_.size());
-  return l10n_util::GetStringFUTF16(
-      IDS_EXTENSION_PERMISSION_LINE, permissions_[index]);
-}
-
-// static
-scoped_refptr<Extension> ExtensionInstallUI::GetLocalizedExtensionForDisplay(
-    const DictionaryValue* manifest,
-    const std::string& id,
-    const std::string& localized_name,
-    const std::string& localized_description,
-    std::string* error) {
-  scoped_ptr<DictionaryValue> localized_manifest;
-  if (!localized_name.empty() || !localized_description.empty()) {
-    localized_manifest.reset(manifest->DeepCopy());
-    if (!localized_name.empty()) {
-      localized_manifest->SetString(extension_manifest_keys::kName,
-                                    localized_name);
-    }
-    if (!localized_description.empty()) {
-      localized_manifest->SetString(extension_manifest_keys::kDescription,
-                                    localized_description);
-    }
-  }
-
-  return Extension::Create(
-      FilePath(),
-      Extension::INTERNAL,
-      localized_manifest.get() ? *localized_manifest.get() : *manifest,
-      Extension::NO_FLAGS,
-      id,
-      error);
-}
-
-ExtensionInstallUI::ExtensionInstallUI(Profile* profile)
-    : profile_(profile),
-      ui_loop_(MessageLoop::current()),
-      previous_using_native_theme_(false),
-      extension_(NULL),
-      delegate_(NULL),
-      prompt_(UNSET_PROMPT_TYPE),
-      prompt_type_(UNSET_PROMPT_TYPE),
-      ALLOW_THIS_IN_INITIALIZER_LIST(tracker_(this)),
-      use_app_installed_bubble_(false),
-      skip_post_install_ui_(false) {
-  // Remember the current theme in case the user presses undo.
-  if (profile_) {
-    const Extension* previous_theme =
-        ThemeServiceFactory::GetThemeForProfile(profile_);
-    if (previous_theme)
-      previous_theme_id_ = previous_theme->id();
-    previous_using_native_theme_ =
-        ThemeServiceFactory::GetForProfile(profile_)->UsingNativeTheme();
-  }
+ExtensionInstallUI::ExtensionInstallUI() {
 }
 
 ExtensionInstallUI::~ExtensionInstallUI() {
 }
-
-void ExtensionInstallUI::ConfirmBundleInstall(
-    extensions::BundleInstaller* bundle,
-    const ExtensionPermissionSet* permissions) {
-  DCHECK(ui_loop_ == MessageLoop::current());
-  bundle_ = bundle;
-  permissions_ = permissions;
-  delegate_ = bundle;
-  prompt_type_ = BUNDLE_INSTALL_PROMPT;
-
-  ShowConfirmation();
-}
-
-void ExtensionInstallUI::ConfirmInlineInstall(
-    Delegate* delegate,
-    const Extension* extension,
-    SkBitmap* icon,
-    const ExtensionInstallUI::Prompt& prompt) {
-  DCHECK(ui_loop_ == MessageLoop::current());
-  extension_ = extension;
-  permissions_ = extension->GetActivePermissions();
-  delegate_ = delegate;
-  prompt_ = prompt;
-  prompt_type_ = INLINE_INSTALL_PROMPT;
-
-  SetIcon(icon);
-  ShowConfirmation();
-}
-
-void ExtensionInstallUI::ConfirmWebstoreInstall(Delegate* delegate,
-                                                const Extension* extension,
-                                                const SkBitmap* icon) {
-  // SetIcon requires |extension_| to be set. ConfirmInstall will setup the
-  // remaining fields.
-  extension_ = extension;
-  SetIcon(icon);
-  ConfirmInstall(delegate, extension);
-}
-
-void ExtensionInstallUI::ConfirmInstall(Delegate* delegate,
-                                        const Extension* extension) {
-  DCHECK(ui_loop_ == MessageLoop::current());
-  extension_ = extension;
-  permissions_ = extension->GetActivePermissions();
-  delegate_ = delegate;
-  prompt_type_ = INSTALL_PROMPT;
-
-  // 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::switch_utils::IsEasyOffStoreInstallEnabled()) {
-      delegate->InstallUIProceed();
-      return;
-    }
-  }
-
-  LoadImageIfNeeded();
-}
-
-void ExtensionInstallUI::ConfirmReEnable(Delegate* delegate,
-                                         const Extension* extension) {
-  DCHECK(ui_loop_ == MessageLoop::current());
-  extension_ = extension;
-  permissions_ = extension->GetActivePermissions();
-  delegate_ = delegate;
-  prompt_type_ = RE_ENABLE_PROMPT;
-
-  LoadImageIfNeeded();
-}
-
-void ExtensionInstallUI::ConfirmPermissions(
-    Delegate* delegate,
-    const Extension* extension,
-    const ExtensionPermissionSet* permissions) {
-  DCHECK(ui_loop_ == MessageLoop::current());
-  extension_ = extension;
-  permissions_ = permissions;
-  delegate_ = delegate;
-  prompt_type_ = PERMISSIONS_PROMPT;
-
-  LoadImageIfNeeded();
-}
-
-void ExtensionInstallUI::OnInstallSuccess(const Extension* extension,
-                                          SkBitmap* icon) {
-  if (skip_post_install_ui_)
-    return;
-
-  extension_ = extension;
-  SetIcon(icon);
-
-  if (extension->is_theme()) {
-    ShowThemeInfoBar(previous_theme_id_, previous_using_native_theme_,
-                     extension, profile_);
-    return;
-  }
-
-  // Extensions aren't enabled by default in incognito so we confirm
-  // the install in a normal window.
-  Profile* profile = profile_->GetOriginalProfile();
-  Browser* browser = browser::FindOrCreateTabbedBrowser(profile);
-  if (browser->tab_count() == 0)
-    browser->AddBlankTab(true);
-  browser->window()->Show();
-
-  bool use_bubble_for_apps = false;
-
-#if defined(TOOLKIT_VIEWS)
-  CommandLine* cmdline = CommandLine::ForCurrentProcess();
-  use_bubble_for_apps = (use_app_installed_bubble_ ||
-                         cmdline->HasSwitch(switches::kAppsNewInstallBubble));
-#endif
-
-  if (extension->is_app() && !use_bubble_for_apps) {
-    ExtensionInstallUI::OpenAppInstalledUI(browser, extension->id());
-    return;
-  }
-
-  browser::ShowExtensionInstalledBubble(extension, browser, icon_, profile);
-}
-
-namespace {
-
-bool disable_failure_ui_for_tests = false;
-
-}  // namespace
-
-void ExtensionInstallUI::OnInstallFailure(const string16& error) {
-  DCHECK(ui_loop_ == MessageLoop::current());
-  if (disable_failure_ui_for_tests || skip_post_install_ui_)
-    return;
-
-  Browser* browser = browser::FindLastActiveWithProfile(profile_);
-  browser::ShowMessageBox(browser ? browser->window()->GetNativeWindow() : NULL,
-      l10n_util::GetStringUTF16(IDS_EXTENSION_INSTALL_FAILURE_TITLE), error,
-      browser::MESSAGE_BOX_TYPE_WARNING);
-}
-
-void ExtensionInstallUI::SetIcon(const SkBitmap* image) {
-  if (image)
-    icon_ = *image;
-  else
-    icon_ = SkBitmap();
-  if (icon_.empty())
-    icon_ = Extension::GetDefaultIcon(extension_->is_app());
-}
-
-void ExtensionInstallUI::OnImageLoaded(const gfx::Image& image,
-                                       const std::string& extension_id,
-                                       int index) {
-  SetIcon(image.IsEmpty() ? NULL : image.ToSkBitmap());
-  ShowConfirmation();
-}
-
-// static
-void ExtensionInstallUI::OpenAppInstalledUI(Browser* browser,
-                                            const std::string& app_id) {
-  if (NewTabUI::ShouldShowApps()) {
-    browser::NavigateParams params = browser->GetSingletonTabNavigateParams(
-        GURL(chrome::kChromeUINewTabURL));
-    browser::Navigate(&params);
-
-    content::NotificationService::current()->Notify(
-        chrome::NOTIFICATION_APP_INSTALLED_TO_NTP,
-        content::Source<WebContents>(params.target_contents->web_contents()),
-        content::Details<const std::string>(&app_id));
-  } else {
-#if defined(USE_ASH)
-    ash::Shell::GetInstance()->ToggleAppList();
-
-    content::NotificationService::current()->Notify(
-        chrome::NOTIFICATION_APP_INSTALLED_TO_APPLIST,
-        content::Source<Profile>(browser->profile()),
-        content::Details<const std::string>(&app_id));
-#else
-    NOTREACHED();
-#endif
-  }
-}
-
-// static
-void ExtensionInstallUI::DisableFailureUIForTests() {
-  disable_failure_ui_for_tests = true;
-}
-
-void ExtensionInstallUI::ShowThemeInfoBar(const std::string& previous_theme_id,
-                                          bool previous_using_native_theme,
-                                          const Extension* new_theme,
-                                          Profile* profile) {
-  if (!new_theme->is_theme())
-    return;
-
-  // Get last active tabbed browser of profile.
-  Browser* browser = browser::FindTabbedBrowser(profile, true);
-  if (!browser)
-    return;
-
-  TabContentsWrapper* tab_contents = browser->GetSelectedTabContentsWrapper();
-  if (!tab_contents)
-    return;
-  InfoBarTabHelper* infobar_helper = tab_contents->infobar_tab_helper();
-
-  // First find any previous theme preview infobars.
-  InfoBarDelegate* old_delegate = NULL;
-  for (size_t i = 0; i < infobar_helper->infobar_count(); ++i) {
-    InfoBarDelegate* delegate = infobar_helper->GetInfoBarDelegateAt(i);
-    ThemeInstalledInfoBarDelegate* theme_infobar =
-        delegate->AsThemePreviewInfobarDelegate();
-    if (theme_infobar) {
-      // If the user installed the same theme twice, ignore the second install
-      // and keep the first install info bar, so that they can easily undo to
-      // get back the previous theme.
-      if (theme_infobar->MatchesTheme(new_theme))
-        return;
-      old_delegate = delegate;
-      break;
-    }
-  }
-
-  // Then either replace that old one or add a new one.
-  InfoBarDelegate* new_delegate = GetNewThemeInstalledInfoBarDelegate(
-      tab_contents, new_theme, previous_theme_id, previous_using_native_theme);
-
-  if (old_delegate)
-    infobar_helper->ReplaceInfoBar(old_delegate, new_delegate);
-  else
-    infobar_helper->AddInfoBar(new_delegate);
-}
-
-void ExtensionInstallUI::LoadImageIfNeeded() {
-  // Bundle install prompts do not have an icon.
-  if (!icon_.empty()) {
-    ShowConfirmation();
-    return;
-  }
-
-  // Load the image asynchronously. For the response, check OnImageLoaded.
-  ExtensionResource image =
-      extension_->GetIconResource(ExtensionIconSet::EXTENSION_ICON_LARGE,
-                                  ExtensionIconSet::MATCH_BIGGER);
-  tracker_.LoadImage(extension_, image,
-                     gfx::Size(kIconSize, kIconSize),
-                     ImageLoadingTracker::DONT_CACHE);
-}
-
-void ExtensionInstallUI::ShowConfirmation() {
-  prompt_.set_type(prompt_type_);
-  prompt_.SetPermissions(permissions_->GetWarningMessages());
-
-  switch (prompt_type_) {
-    case PERMISSIONS_PROMPT:
-    case RE_ENABLE_PROMPT:
-    case INLINE_INSTALL_PROMPT:
-    case INSTALL_PROMPT: {
-      prompt_.set_extension(extension_);
-      prompt_.set_icon(gfx::Image(icon_));
-      ShowExtensionInstallDialog(profile_, delegate_, prompt_);
-      break;
-    }
-    case BUNDLE_INSTALL_PROMPT: {
-      prompt_.set_bundle(bundle_);
-      ShowExtensionInstallDialog(profile_, delegate_, prompt_);
-      break;
-    }
-    default:
-      NOTREACHED() << "Unknown message";
-      break;
-  }
-}
-
-InfoBarDelegate* ExtensionInstallUI::GetNewThemeInstalledInfoBarDelegate(
-    TabContentsWrapper* tab_contents,
-    const Extension* new_theme,
-    const std::string& previous_theme_id,
-    bool previous_using_native_theme) {
-  Profile* profile = tab_contents->profile();
-  return new ThemeInstalledInfoBarDelegate(
-      tab_contents->infobar_tab_helper(),
-      profile->GetExtensionService(),
-      ThemeServiceFactory::GetForProfile(profile),
-      new_theme,
-      previous_theme_id,
-      previous_using_native_theme);
-}