MD History: add sign in promo in synced tabs when user isn't logged in

chrome/browser/ui/webui/md_history_ui.cc

 // Copyright 2015 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/md_history_ui.h"
 
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/ui/webui/browsing_history_handler.h"
 #include "chrome/browser/ui/webui/foreign_session_handler.h"
 #include "chrome/browser/ui/webui/history_login_handler.h"
 #include "chrome/browser/ui/webui/metrics_handler.h"
+#include "chrome/browser/ui/webui/settings/people_handler.h"
 #include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "components/prefs/pref_service.h"
 #include "components/search/search.h"
+#include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "grit/browser_resources.h"
 #include "grit/components_scaled_resources.h"
 #include "grit/components_strings.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace {
@@ skipping 16 matching lines @@
   source->AddLocalizedString("historyMenuItem",
                              IDS_MD_HISTORY_HISTORY_MENU_ITEM);
   source->AddLocalizedString("itemsSelected", IDS_MD_HISTORY_ITEMS_SELECTED);
   source->AddLocalizedString("loading", IDS_HISTORY_LOADING);
   source->AddLocalizedString("moreFromSite", IDS_HISTORY_MORE_FROM_SITE);
   source->AddLocalizedString("openAll", IDS_HISTORY_OTHER_SESSIONS_OPEN_ALL);
   source->AddLocalizedString("openTabsMenuItem",
                              IDS_MD_HISTORY_OPEN_TABS_MENU_ITEM);
   source->AddLocalizedString("noResults", IDS_HISTORY_NO_RESULTS);
   source->AddLocalizedString("noSearchResults", IDS_HISTORY_NO_SEARCH_RESULTS);
+  source->AddLocalizedString("noSyncedResults",
+                             IDS_MD_HISTORY_NO_SYNCED_RESULTS);
   source->AddLocalizedString("rangeAllTime", IDS_HISTORY_RANGE_ALL_TIME);
   source->AddLocalizedString("rangeWeek", IDS_HISTORY_RANGE_WEEK);
   source->AddLocalizedString("rangeMonth", IDS_HISTORY_RANGE_MONTH);
   source->AddLocalizedString("rangeToday", IDS_HISTORY_RANGE_TODAY);
   source->AddLocalizedString("rangeNext", IDS_HISTORY_RANGE_NEXT);
   source->AddLocalizedString("rangePrevious", IDS_HISTORY_RANGE_PREVIOUS);
   source->AddLocalizedString("removeFromHistory", IDS_HISTORY_REMOVE_PAGE);
   source->AddLocalizedString("searchPrompt", IDS_MD_HISTORY_SEARCH_PROMPT);
   source->AddLocalizedString("searchResult", IDS_HISTORY_SEARCH_RESULT);
   source->AddLocalizedString("searchResults", IDS_HISTORY_SEARCH_RESULTS);
+  source->AddLocalizedString("signInButton", IDS_MD_HISTORY_SIGN_IN_BUTTON);
+  source->AddLocalizedString("signInPromo", IDS_MD_HISTORY_SIGN_IN_PROMO);
+  source->AddLocalizedString("signInPromoDesc",
+                             IDS_MD_HISTORY_SIGN_IN_PROMO_DESC);
   source->AddLocalizedString("title", IDS_HISTORY_TITLE);
 
   bool allow_deleting_history =
       prefs->GetBoolean(prefs::kAllowDeletingBrowserHistory);
   source->AddBoolean("allowDeletingHistory", allow_deleting_history);
 
   bool group_by_domain = base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kHistoryEnableGroupByDomain) || profile->IsSupervised();
   source->AddBoolean("groupByDomain", group_by_domain);
 
+  SigninManagerBase* signin_manager =
+      SigninManagerFactory::GetForProfile(profile);
+  bool is_authenticated = signin_manager != nullptr &&
+      signin_manager->IsAuthenticated();
+  source->AddBoolean("isUserSignedIn", is_authenticated);
+
   source->AddResourcePath("app.html", IDR_MD_HISTORY_APP_HTML);
   source->AddResourcePath("app.js", IDR_MD_HISTORY_APP_JS);
   source->AddResourcePath("browser_service.html",
                           IDR_MD_HISTORY_BROWSER_SERVICE_HTML);
   source->AddResourcePath("browser_service.js",
                           IDR_MD_HISTORY_BROWSER_SERVICE_JS);
   source->AddResourcePath("constants.html", IDR_MD_HISTORY_CONSTANTS_HTML);
   source->AddResourcePath("constants.js", IDR_MD_HISTORY_CONSTANTS_JS);
   source->AddResourcePath("grouped_list.html",
                           IDR_MD_HISTORY_GROUPED_LIST_HTML);
   source->AddResourcePath("grouped_list.js", IDR_MD_HISTORY_GROUPED_LIST_JS);
   source->AddResourcePath("history_item.html",
                           IDR_MD_HISTORY_HISTORY_ITEM_HTML);
   source->AddResourcePath("history_item.js", IDR_MD_HISTORY_HISTORY_ITEM_JS);
   source->AddResourcePath("history_list.html",
                           IDR_MD_HISTORY_HISTORY_LIST_HTML);
   source->AddResourcePath("history_list.js", IDR_MD_HISTORY_HISTORY_LIST_JS);
   source->AddResourcePath("history_toolbar.html",
                           IDR_MD_HISTORY_HISTORY_TOOLBAR_HTML);
   source->AddResourcePath("history_toolbar.js",
                           IDR_MD_HISTORY_HISTORY_TOOLBAR_JS);
   source->AddResourcePath("history.js", IDR_MD_HISTORY_HISTORY_JS);
   source->AddResourcePath("icons.html", IDR_MD_HISTORY_ICONS_HTML);
+  source->AddResourcePath("images/100/sign_in_promo.png",
+                          IDR_MD_HISTORY_IMAGES_100_SIGN_IN_PROMO_PNG);
+  source->AddResourcePath("images/200/sign_in_promo.png",
+                          IDR_MD_HISTORY_IMAGES_200_SIGN_IN_PROMO_PNG);
   source->AddResourcePath("searched_label.html",
                           IDR_MD_HISTORY_SEARCHED_LABEL_HTML);
   source->AddResourcePath("searched_label.js",
                           IDR_MD_HISTORY_SEARCHED_LABEL_JS);
   source->AddResourcePath("shared_style.html",
                           IDR_MD_HISTORY_SHARED_STYLE_HTML);
   source->AddResourcePath("side_bar.html", IDR_MD_HISTORY_SIDE_BAR_HTML);
   source->AddResourcePath("side_bar.js", IDR_MD_HISTORY_SIDE_BAR_JS);
   source->AddResourcePath("synced_device_card.html",
                           IDR_MD_HISTORY_SYNCED_DEVICE_CARD_HTML);
   source->AddResourcePath("synced_device_card.js",
                           IDR_MD_HISTORY_SYNCED_DEVICE_CARD_JS);
   source->AddResourcePath("synced_device_manager.html",
                           IDR_MD_HISTORY_SYNCED_DEVICE_MANAGER_HTML);
   source->AddResourcePath("synced_device_manager.js",
                           IDR_MD_HISTORY_SYNCED_DEVICE_MANAGER_JS);
 
   source->SetDefaultResource(IDR_MD_HISTORY_HISTORY_HTML);
   source->SetJsonPath("strings.js");
 
   return source;
 }
 
 }  // namespace
 
 MdHistoryUI::MdHistoryUI(content::WebUI* web_ui) : WebUIController(web_ui) {
+  Profile* profile = Profile::FromWebUI(web_ui);
   web_ui->AddMessageHandler(new BrowsingHistoryHandler());
   web_ui->AddMessageHandler(new MetricsHandler());
+  // Add handler for showing Chrome log in overlay.

[calamity, 2016/06/22 02:20:48]

nit: s/log in/sign in/

[lshang, 2016/06/22 04:51:40]

Done.

+  web_ui->AddMessageHandler(new settings::PeopleHandler(profile));
 
   if (search::IsInstantExtendedAPIEnabled()) {
     web_ui->AddMessageHandler(new browser_sync::ForeignSessionHandler());
     web_ui->AddMessageHandler(new HistoryLoginHandler());
   }
 
-  Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile, CreateMdHistoryUIHTMLSource(profile));
 }
 
 MdHistoryUI::~MdHistoryUI() {}
 
 // static
 bool MdHistoryUI::IsEnabled(Profile* profile) {
   return base::FeatureList::IsEnabled(
              features::kMaterialDesignHistoryFeature) &&
          !base::CommandLine::ForCurrentProcess()->HasSwitch(
              switches::kHistoryEnableGroupByDomain) &&
          !profile->IsSupervised();
 }
 
 // static
 void MdHistoryUI::DisableForTesting() {
   std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
   feature_list->InitializeFromCommandLine(
       std::string(), features::kMaterialDesignHistoryFeature.name);
   base::FeatureList::ClearInstanceForTesting();
   base::FeatureList::SetInstance(std::move(feature_list));
 }
 
 // static
 base::RefCountedMemory* MdHistoryUI::GetFaviconResourceBytes(
     ui::ScaleFactor scale_factor) {
   return ResourceBundle::GetSharedInstance().LoadDataResourceBytesForScale(
       IDR_HISTORY_FAVICON, scale_factor);
 }