Split NTPLoginHandler across chrome://apps and chrome://history.

chrome/browser/ui/webui/ntp/ntp_login_handler.cc

Index: chrome/browser/ui/webui/ntp/ntp_login_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/ntp_login_handler.cc b/chrome/browser/ui/webui/ntp/ntp_login_handler.cc
deleted file mode 100644
index f9cfa021a6792ac56cf3e7f80e9f10f9b90999ec..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/webui/ntp/ntp_login_handler.cc
+++ /dev/null
@@ -1,273 +0,0 @@
-// 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/ui/webui/ntp/ntp_login_handler.h"
-
-#include <string>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/metrics/histogram.h"
-#include "base/prefs/pref_notifier.h"
-#include "base/prefs/pref_service.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_info_cache.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/profiles/profile_metrics.h"
-#include "chrome/browser/signin/signin_manager_factory.h"
-#include "chrome/browser/signin/signin_promo.h"
-#include "chrome/browser/sync/profile_sync_service.h"
-#include "chrome/browser/sync/profile_sync_service_factory.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_finder.h"
-#include "chrome/browser/ui/browser_window.h"
-#include "chrome/browser/ui/chrome_pages.h"
-#include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
-#include "chrome/browser/web_resource/promo_resource_service.h"
-#include "chrome/common/pref_names.h"
-#include "chrome/common/url_constants.h"
-#include "chrome/grit/chromium_strings.h"
-#include "chrome/grit/generated_resources.h"
-#include "components/signin/core/browser/signin_manager.h"
-#include "content/public/browser/host_zoom_map.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_ui.h"
-#include "content/public/common/page_zoom.h"
-#include "net/base/escape.h"
-#include "skia/ext/image_operations.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/webui/web_ui_util.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/image/image.h"
-
-using content::OpenURLParams;
-using content::Referrer;
-
-namespace {
-
-SkBitmap GetGAIAPictureForNTP(const gfx::Image& image) {
-  // This value must match the width and height value of login-status-icon
-  // in new_tab.css.
-  const int kLength = 27;
-  SkBitmap bmp = skia::ImageOperations::Resize(*image.ToSkBitmap(),
-      skia::ImageOperations::RESIZE_BEST, kLength, kLength);
-
-  gfx::Canvas canvas(gfx::Size(kLength, kLength), 1.0f, false);
-  canvas.DrawImageInt(gfx::ImageSkia::CreateFrom1xBitmap(bmp), 0, 0);
-
-  // Draw a gray border on the inside of the icon.
-  SkColor color = SkColorSetARGB(83, 0, 0, 0);
-  canvas.DrawRect(gfx::Rect(0, 0, kLength - 1, kLength - 1), color);
-
-  return canvas.ExtractImageRep().sk_bitmap();
-}
-
-// Puts the |content| into an element with the given CSS class.
-base::string16 CreateElementWithClass(const base::string16& content,
-                                      const std::string& tag_name,
-                                      const std::string& css_class,
-                                      const std::string& extends_tag) {
-  base::string16 start_tag = base::ASCIIToUTF16("<" + tag_name +
-      " class='" + css_class + "' is='" + extends_tag + "'>");
-  base::string16 end_tag = base::ASCIIToUTF16("</" + tag_name + ">");
-  return start_tag + net::EscapeForHTML(content) + end_tag;
-}
-
-}  // namespace
-
-NTPLoginHandler::NTPLoginHandler() {
-}
-
-NTPLoginHandler::~NTPLoginHandler() {
-  ProfileManager* profile_manager = g_browser_process->profile_manager();
-  // The profile_manager might be NULL in testing environments.
-  if (profile_manager)
-    profile_manager->GetProfileInfoCache().RemoveObserver(this);
-}
-
-void NTPLoginHandler::RegisterMessages() {
-  ProfileManager* profile_manager = g_browser_process->profile_manager();
-  // The profile_manager might be NULL in testing environments.
-  if (profile_manager)
-    profile_manager->GetProfileInfoCache().AddObserver(this);
-
-  PrefService* pref_service = Profile::FromWebUI(web_ui())->GetPrefs();
-  signin_allowed_pref_.Init(prefs::kSigninAllowed,
-                            pref_service,
-                            base::Bind(&NTPLoginHandler::UpdateLogin,
-                                       base::Unretained(this)));
-
-  web_ui()->RegisterMessageCallback("initializeSyncLogin",
-      base::Bind(&NTPLoginHandler::HandleInitializeSyncLogin,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("showSyncLoginUI",
-      base::Bind(&NTPLoginHandler::HandleShowSyncLoginUI,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("loginMessageSeen",
-      base::Bind(&NTPLoginHandler::HandleLoginMessageSeen,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("showAdvancedLoginUI",
-      base::Bind(&NTPLoginHandler::HandleShowAdvancedLoginUI,
-                 base::Unretained(this)));
-}
-
-void NTPLoginHandler::OnProfileAuthInfoChanged(
-    const base::FilePath& profile_path) {
-  UpdateLogin();
-}
-
-void NTPLoginHandler::HandleInitializeSyncLogin(const base::ListValue* args) {
-  UpdateLogin();
-}
-
-void NTPLoginHandler::HandleShowSyncLoginUI(const base::ListValue* args) {
-  Profile* profile = Profile::FromWebUI(web_ui());
-  if (!signin::ShouldShowPromo(profile))
-    return;
-
-  std::string username =
-      SigninManagerFactory::GetForProfile(profile)->GetAuthenticatedUsername();
-  if (!username.empty())
-    return;
-
-  content::WebContents* web_contents = web_ui()->GetWebContents();
-  Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
-  if (!browser)
-    return;
-
-  // The user isn't signed in, show the sign in promo.
-  signin_metrics::Source source =
-      web_contents->GetURL().spec() == chrome::kChromeUIAppsURL ?
-          signin_metrics::SOURCE_APPS_PAGE_LINK :
-          signin_metrics::SOURCE_NTP_LINK;
-  chrome::ShowBrowserSignin(browser, source);
-  RecordInHistogram(NTP_SIGN_IN_PROMO_CLICKED);
-}
-
-void NTPLoginHandler::RecordInHistogram(int type) {
-  // Invalid type to record.
-  if (type < NTP_SIGN_IN_PROMO_VIEWED ||
-      type > NTP_SIGN_IN_PROMO_CLICKED) {
-    NOTREACHED();
-  } else {
-    UMA_HISTOGRAM_ENUMERATION("SyncPromo.NTPPromo", type,
-                              NTP_SIGN_IN_PROMO_BUCKET_BOUNDARY);
-  }
-}
-
-void NTPLoginHandler::HandleLoginMessageSeen(const base::ListValue* args) {
-  Profile::FromWebUI(web_ui())->GetPrefs()->SetBoolean(
-      prefs::kSignInPromoShowNTPBubble, false);
-  NewTabUI* ntp_ui = NewTabUI::FromWebUIController(web_ui()->GetController());
-  // When instant extended is enabled, there may not be a NewTabUI object.
-  if (ntp_ui)
-    ntp_ui->set_showing_sync_bubble(true);
-}
-
-void NTPLoginHandler::HandleShowAdvancedLoginUI(const base::ListValue* args) {
-  Browser* browser =
-      chrome::FindBrowserWithWebContents(web_ui()->GetWebContents());
-  if (browser)
-    chrome::ShowBrowserSignin(browser, signin_metrics::SOURCE_NTP_LINK);
-}
-
-void NTPLoginHandler::UpdateLogin() {
-  Profile* profile = Profile::FromWebUI(web_ui());
-  SigninManagerBase* signin_manager =
-      SigninManagerFactory::GetForProfile(profile);
-  if (!signin_manager) {
-    // Guests on desktop do not have a signin manager.
-    return;
-  }
-
-  std::string username = signin_manager->GetAuthenticatedUsername();
-
-  base::string16 header, sub_header;
-  std::string icon_url;
-  if (!username.empty()) {
-    ProfileInfoCache& cache =
-        g_browser_process->profile_manager()->GetProfileInfoCache();
-    size_t profile_index = cache.GetIndexOfProfileWithPath(profile->GetPath());
-    if (profile_index != std::string::npos) {
-      // Only show the profile picture and full name for the single profile
-      // case. In the multi-profile case the profile picture is visible in the
-      // title bar and the full name can be ambiguous.
-      if (cache.GetNumberOfProfiles() == 1) {
-        base::string16 name = cache.GetGAIANameOfProfileAtIndex(profile_index);
-        if (!name.empty())
-          header = CreateElementWithClass(name, "span", "profile-name", "");
-        const gfx::Image* image =
-            cache.GetGAIAPictureOfProfileAtIndex(profile_index);
-        if (image)
-          icon_url = webui::GetBitmapDataUrl(GetGAIAPictureForNTP(*image));
-      }
-      if (header.empty()) {
-        header = CreateElementWithClass(base::UTF8ToUTF16(username), "span",
-                                        "profile-name", "");
-      }
-    }
-  } else {
-#if !defined(OS_CHROMEOS)
-    // Chromeos does not show this status header.
-    SigninManager* signin = SigninManagerFactory::GetForProfile(
-        profile->GetOriginalProfile());
-    if (!profile->IsLegacySupervised() && signin->IsSigninAllowed()) {
-      base::string16 signed_in_link = l10n_util::GetStringUTF16(
-          IDS_SYNC_PROMO_NOT_SIGNED_IN_STATUS_LINK);
-      signed_in_link =
-          CreateElementWithClass(signed_in_link, "a", "", "action-link");
-      header = l10n_util::GetStringFUTF16(
-          IDS_SYNC_PROMO_NOT_SIGNED_IN_STATUS_HEADER,
-          l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME));
-      sub_header = l10n_util::GetStringFUTF16(
-          IDS_SYNC_PROMO_NOT_SIGNED_IN_STATUS_SUB_HEADER, signed_in_link);
-      // Record that the user was shown the promo.
-      RecordInHistogram(NTP_SIGN_IN_PROMO_VIEWED);
-    }
-#endif
-  }
-
-  base::StringValue header_value(header);
-  base::StringValue sub_header_value(sub_header);
-  base::StringValue icon_url_value(icon_url);
-  base::FundamentalValue is_user_signed_in(!username.empty());
-  web_ui()->CallJavascriptFunction("ntp.updateLogin",
-      header_value, sub_header_value, icon_url_value, is_user_signed_in);
-}
-
-// static
-bool NTPLoginHandler::ShouldShow(Profile* profile) {
-#if defined(OS_CHROMEOS)
-  // For now we don't care about showing sync status on Chrome OS. The promo
-  // UI and the avatar menu don't exist on that platform.
-  return false;
-#else
-  SigninManager* signin = SigninManagerFactory::GetForProfile(profile);
-  return !profile->IsOffTheRecord() && signin && signin->IsSigninAllowed();
-#endif
-}
-
-// static
-void NTPLoginHandler::GetLocalizedValues(Profile* profile,
-                                         base::DictionaryValue* values) {
-  PrefService* prefs = profile->GetPrefs();
-  bool hide_sync = !prefs->GetBoolean(prefs::kSignInPromoShowNTPBubble);
-
-  base::string16 message = hide_sync ? base::string16() :
-      l10n_util::GetStringFUTF16(IDS_SYNC_PROMO_NTP_BUBBLE_MESSAGE,
-          l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME));
-
-  values->SetString("login_status_message", message);
-  values->SetString("login_status_url",
-      hide_sync ? std::string() : chrome::kSyncLearnMoreURL);
-  values->SetString("login_status_advanced",
-      hide_sync ? base::string16() :
-      l10n_util::GetStringUTF16(IDS_SYNC_PROMO_NTP_BUBBLE_ADVANCED));
-  values->SetString("login_status_dismiss",
-      hide_sync ? base::string16() :
-      l10n_util::GetStringUTF16(IDS_SYNC_PROMO_NTP_BUBBLE_OK));
-}