chrome/browser/ui/webui/welcome/welcome_ui.cc

// Copyright 2016 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/ui/webui/welcome/welcome_ui.h"

#include <memory>
#include <string>

#include "base/metrics/histogram_macros.h"
#include "build/build_config.h"
#include "chrome/browser/signin/account_consistency_mode_manager.h"
#include "chrome/browser/ui/webui/welcome/nux/bookmark_handler.h"
#include "chrome/browser/ui/webui/welcome/nux/constants.h"
#include "chrome/browser/ui/webui/welcome/nux/email_handler.h"
#include "chrome/browser/ui/webui/welcome/nux/google_apps_handler.h"
#include "chrome/browser/ui/webui/welcome/nux/set_as_default_handler.h"
#include "chrome/browser/ui/webui/welcome/nux_helper.h"
#include "chrome/browser/ui/webui/welcome/welcome_handler.h"
#include "chrome/common/pref_names.h"
#include "chrome/grit/browser_resources.h"
#include "chrome/grit/chrome_unscaled_resources.h"
#include "chrome/grit/chromium_strings.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/grit/onboarding_welcome_resources.h"
#include "chrome/grit/onboarding_welcome_resources_map.h"
#include "components/prefs/pref_service.h"
#include "components/strings/grit/components_strings.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui_data_source.h"
#include "net/base/url_util.h"
#include "ui/base/l10n/l10n_util.h"

#if defined(OS_WIN)
#include "base/win/windows_version.h"
#endif

namespace {
const bool kIsBranded =
#if defined(GOOGLE_CHROME_BUILD)
    true;
#else
    false;
#endif
}  // namespace

// TODO(scottchen): reuse instead of copy from
// md_settings_localized_strings_provider.cc.
struct LocalizedString {
  const char* name;
  int id;
};

void AddOnboardingStrings(content::WebUIDataSource* html_source) {
  static constexpr LocalizedString kLocalizedStrings[] = {
      // Shared strings.
      {"acceptText", IDS_WELCOME_ACCEPT_BUTTON},
      {"bookmarkAdded", IDS_ONBOARDING_WELCOME_BOOKMARK_ADDED},
      {"bookmarksAdded", IDS_ONBOARDING_WELCOME_BOOKMARKS_ADDED},
      {"bookmarkRemoved", IDS_ONBOARDING_WELCOME_BOOKMARK_REMOVED},
      {"bookmarksRemoved", IDS_ONBOARDING_WELCOME_BOOKMARKS_REMOVED},
      {"bookmarkReplaced", IDS_ONBOARDING_WELCOME_BOOKMARK_REPLACED},
      {"getStarted", IDS_ONBOARDING_WELCOME_GET_STARTED},
      {"headerText", IDS_WELCOME_HEADER},
      {"next", IDS_ONBOARDING_WELCOME_NEXT},
      {"noThanks", IDS_NO_THANKS},
      {"skip", IDS_ONBOARDING_WELCOME_SKIP},

      // Sign-in view strings.
      {"signInHeader", IDS_ONBOARDING_WELCOME_SIGNIN_VIEW_HEADER},
      {"signInSubHeader", IDS_ONBOARDING_WELCOME_SIGNIN_VIEW_SUB_HEADER},
      {"signIn", IDS_ONBOARDING_WELCOME_SIGNIN_VIEW_SIGNIN},

      // Email provider module strings.
      {"emailProviderTitle", IDS_ONBOARDING_WELCOME_NUX_EMAIL_TITLE},

      // Google apps module strings.
      {"googleAppsDescription",
       IDS_ONBOARDING_WELCOME_NUX_GOOGLE_APPS_DESCRIPTION},

      // Set as default module strings.
      {"setDefaultHeader", IDS_ONBOARDING_WELCOME_NUX_SET_AS_DEFAULT_HEADER},
      {"setDefaultSubHeader",
       IDS_ONBOARDING_WELCOME_NUX_SET_AS_DEFAULT_SUB_HEADER},
      {"setDefaultSkip", IDS_ONBOARDING_WELCOME_NUX_SET_AS_DEFAULT_SKIP},
      {"setDefaultConfirm",
       IDS_ONBOARDING_WELCOME_NUX_SET_AS_DEFAULT_SET_AS_DEFAULT},

      // Landing view strings.
      {"landingTitle", IDS_ONBOARDING_WELCOME_LANDING_TITLE},
      {"landingDescription", IDS_ONBOARDING_WELCOME_LANDING_DESCRIPTION},
      {"landingNewUser", IDS_ONBOARDING_WELCOME_LANDING_NEW_USER},
      {"landingExistingUser", IDS_ONBOARDING_WELCOME_LANDING_EXISTING_USER},

      // Email interstitial strings.
      {"emailInterstitialTitle",
       IDS_ONBOARDING_WELCOME_EMAIL_INTERSTITIAL_TITLE},
      {"emailInterstitialContinue",
       IDS_ONBOARDING_WELCOME_EMAIL_INTERSTITIAL_CONTINUE},
  };

  // TODO(scottchen): reuse instead of copy from
  // md_settings_localized_strings_provider.cc.
  for (size_t i = 0; i < base::size(kLocalizedStrings); i++) {
    html_source->AddLocalizedString(kLocalizedStrings[i].name,
                                    kLocalizedStrings[i].id);
  }
}

WelcomeUI::WelcomeUI(content::WebUI* web_ui, const GURL& url)
    : content::WebUIController(web_ui) {
  Profile* profile = Profile::FromWebUI(web_ui);

  // This page is not shown to incognito or guest profiles. If one should end up
  // here, we return, causing a 404-like page.
  if (!profile ||
      profile->GetProfileType() != Profile::ProfileType::REGULAR_PROFILE) {
    return;
  }

  StorePageSeen(profile);

  web_ui->AddMessageHandler(std::make_unique<WelcomeHandler>(web_ui));

  content::WebUIDataSource* html_source =
      content::WebUIDataSource::Create(url.host());

  bool is_dice =
      AccountConsistencyModeManager::IsDiceEnabledForProfile(profile);

  // There are multiple possible configurations that affects the layout, but
  // first add resources that are shared across all layouts.
  html_source->AddResourcePath("logo.png", IDR_PRODUCT_LOGO_128);
  html_source->AddResourcePath("logo2x.png", IDR_PRODUCT_LOGO_256);

  if (nux::IsNuxOnboardingEnabled(profile)) {
    // Add Onboarding welcome strings.
    AddOnboardingStrings(html_source);

    // Add all Onboarding resources.
    for (size_t i = 0; i < kOnboardingWelcomeResourcesSize; ++i) {
      html_source->AddResourcePath(kOnboardingWelcomeResources[i].name,
                                   kOnboardingWelcomeResources[i].value);
    }

    // chrome://welcome
    html_source->SetDefaultResource(
        IDR_WELCOME_ONBOARDING_WELCOME_WELCOME_HTML);

    // chrome://welcome/email-interstitial
    html_source->AddResourcePath(
        "email-interstitial",
        IDR_WELCOME_ONBOARDING_WELCOME_EMAIL_INTERSTITIAL_HTML);

    html_source->AddResourcePath(
        "images/background_svgs/blue_circle.svg",
        IDR_WELCOME_ONBOARDING_WELCOME_IMAGES_BACKGROUND_SVGS_BLUE_CIRCLE_SVG);
    html_source->AddResourcePath(
        "images/background_svgs/green_rectangle.svg",
        IDR_WELCOME_ONBOARDING_WELCOME_IMAGES_BACKGROUND_SVGS_GREEN_RECTANGLE_SVG);
    html_source->AddResourcePath(
        "images/background_svgs/grey_oval.svg",
        IDR_WELCOME_ONBOARDING_WELCOME_IMAGES_BACKGROUND_SVGS_GREY_OVAL_SVG);
    html_source->AddResourcePath(
        "images/background_svgs/grey_rounded_rectangle.svg",
        IDR_WELCOME_ONBOARDING_WELCOME_IMAGES_BACKGROUND_SVGS_GREY_ROUNDED_RECTANGLE_SVG);
    html_source->AddResourcePath(
        "images/background_svgs/red_triangle.svg",
        IDR_WELCOME_ONBOARDING_WELCOME_IMAGES_BACKGROUND_SVGS_RED_TRIANGLE_SVG);
    html_source->AddResourcePath(
        "images/background_svgs/yellow_dots.svg",
        IDR_WELCOME_ONBOARDING_WELCOME_IMAGES_BACKGROUND_SVGS_YELLOW_DOTS_SVG);
    html_source->AddResourcePath(
        "images/background_svgs/yellow_semicircle.svg",
        IDR_WELCOME_ONBOARDING_WELCOME_IMAGES_BACKGROUND_SVGS_YELLOW_SEMICIRCLE_SVG);

    html_source->AddResourcePath("images/email_provider_1x.png",
                                 IDR_NUX_EMAIL_PROVIDER_LOGO_1X);
    html_source->AddResourcePath("images/email_provider_2x.png",
                                 IDR_NUX_EMAIL_PROVIDER_LOGO_2X);
    html_source->AddResourcePath("images/set_as_default_1x.png",
                                 IDR_NUX_SET_AS_DEFAULT_LOGO_1X);
    html_source->AddResourcePath("images/set_as_default_2x.png",
                                 IDR_NUX_SET_AS_DEFAULT_LOGO_2X);
    html_source->AddResourcePath("images/set_as_default_illustration_1x.png",
                                 IDR_NUX_SET_AS_DEFAULT_ILLUSTRATION_1X);
    html_source->AddResourcePath("images/set_as_default_illustration_2x.png",
                                 IDR_NUX_SET_AS_DEFAULT_ILLUSTRATION_2X);

#if defined(OS_WIN)
    html_source->AddBoolean(
        "is_win10", base::win::GetVersion() >= base::win::VERSION_WIN10);
#endif

    // Add the shared bookmark handler for onboarding modules.
    web_ui->AddMessageHandler(
        std::make_unique<nux::BookmarkHandler>(profile->GetPrefs()));

    // Add email provider bookmarking onboarding module.
    web_ui->AddMessageHandler(std::make_unique<nux::EmailHandler>());
    nux::EmailHandler::AddSources(html_source);

    // Add google apps bookmarking onboarding module.
    web_ui->AddMessageHandler(std::make_unique<nux::GoogleAppsHandler>());
    nux::GoogleAppsHandler::AddSources(html_source);

    // Add set-as-default onboarding module.
    web_ui->AddMessageHandler(std::make_unique<nux::SetAsDefaultHandler>());

    html_source->AddString(
        "new_user_modules",
        nux::GetNuxOnboardingModules(profile).FindKey("new-user")->GetString());
    html_source->AddString("returning_user_modules",
                           nux::GetNuxOnboardingModules(profile)
                               .FindKey("returning-user")
                               ->GetString());
  } else if (kIsBranded && is_dice) {
    // Use special layout if the application is branded and DICE is enabled.
    html_source->AddLocalizedString("headerText", IDS_WELCOME_HEADER);
    html_source->AddLocalizedString("acceptText",
                                    IDS_PROFILES_DICE_SIGNIN_BUTTON);
    html_source->AddLocalizedString("secondHeaderText",
                                    IDS_DICE_WELCOME_SECOND_HEADER);
    html_source->AddLocalizedString("descriptionText",
                                    IDS_DICE_WELCOME_DESCRIPTION);
    html_source->AddLocalizedString("declineText",
                                    IDS_DICE_WELCOME_DECLINE_BUTTON);
    html_source->AddResourcePath("welcome_browser_proxy.html",
                                 IDR_DICE_WELCOME_BROWSER_PROXY_HTML);
    html_source->AddResourcePath("welcome_browser_proxy.js",
                                 IDR_DICE_WELCOME_BROWSER_PROXY_JS);
    html_source->AddResourcePath("welcome_app.html", IDR_DICE_WELCOME_APP_HTML);
    html_source->AddResourcePath("welcome_app.js", IDR_DICE_WELCOME_APP_JS);
    html_source->AddResourcePath("welcome.css", IDR_DICE_WELCOME_CSS);
    html_source->SetDefaultResource(IDR_DICE_WELCOME_HTML);
  } else {
    // Use default layout for non-DICE or unbranded build.
    std::string value;
    bool is_everywhere_variant =
        (net::GetValueForKeyInQuery(url, "variant", &value) &&
         value == "everywhere");

    if (kIsBranded) {
      base::string16 subheader =
          is_everywhere_variant
              ? base::string16()
              : l10n_util::GetStringUTF16(IDS_WELCOME_SUBHEADER);
      html_source->AddString("subheaderText", subheader);
    }

    int header_id = is_everywhere_variant ? IDS_WELCOME_HEADER_AFTER_FIRST_RUN
                                          : IDS_WELCOME_HEADER;
    html_source->AddString("headerText", l10n_util::GetStringUTF16(header_id));
    html_source->AddLocalizedString("acceptText", IDS_WELCOME_ACCEPT_BUTTON);
    html_source->AddLocalizedString("descriptionText", IDS_WELCOME_DESCRIPTION);
    html_source->AddLocalizedString("declineText", IDS_WELCOME_DECLINE_BUTTON);
    html_source->AddResourcePath("welcome.js", IDR_WELCOME_JS);
    html_source->AddResourcePath("welcome.css", IDR_WELCOME_CSS);
    html_source->SetDefaultResource(IDR_WELCOME_HTML);
  }

  content::WebUIDataSource::Add(profile, html_source);
}

WelcomeUI::~WelcomeUI() {}

void WelcomeUI::StorePageSeen(Profile* profile) {
  // Store that this profile has been shown the Welcome page.
  profile->GetPrefs()->SetBoolean(prefs::kHasSeenWelcomePage, true);
}