Remove WebUI NTP on Android.

chrome/browser/ui/webui/ntp/android/promo_handler.cc

Index: chrome/browser/ui/webui/ntp/android/promo_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/android/promo_handler.cc b/chrome/browser/ui/webui/ntp/android/promo_handler.cc
deleted file mode 100644
index 239ae31ac6c6fe04e913b9b45b43b1d9b406f6fa..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/webui/ntp/android/promo_handler.cc
+++ /dev/null
@@ -1,337 +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/android/promo_handler.h"
-
-#include "base/logging.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/metrics/histogram.h"
-#include "base/prefs/pref_service.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/android/intent_helper.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/sync/glue/synced_session.h"
-#include "chrome/browser/sync/open_tabs_ui_delegate.h"
-#include "chrome/browser/sync/profile_sync_service.h"
-#include "chrome/browser/sync/profile_sync_service_factory.h"
-#include "chrome/browser/web_resource/notification_promo.h"
-#include "chrome/browser/web_resource/notification_promo_mobile_ntp.h"
-#include "chrome/browser/web_resource/promo_resource_service.h"
-#include "chrome/common/pref_names.h"
-#include "components/signin/core/browser/signin_manager.h"
-#include "components/user_prefs/pref_registry_syncable.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/web_contents.h"
-
-using content::BrowserThread;
-
-namespace {
-
-// Promotion impression types for the NewTabPage.MobilePromo histogram.
-// Should be kept in sync with the values in histograms.xml
-enum PromoImpressionBuckets {
-  PROMO_IMPRESSION_MOST_VISITED = 0,
-  PROMO_IMPRESSION_OPEN_TABS = 1,
-  PROMO_IMPRESSION_SYNC_PROMO = 2,
-  PROMO_IMPRESSION_SEND_EMAIL_CLICKED = 3,
-  PROMO_IMPRESSION_CLOSE_PROMO_CLICKED = 4,
-  PROMO_IMPRESSION_BUCKET_BOUNDARY = 5
-};
-
-// Helper to record an impression in NewTabPage.MobilePromo histogram.
-void RecordImpressionOnHistogram(PromoImpressionBuckets type) {
-  UMA_HISTOGRAM_ENUMERATION("NewTabPage.MobilePromo", type,
-                            PROMO_IMPRESSION_BUCKET_BOUNDARY);
-}
-
-// Helper to ask whether the promo is active.
-bool CanShowNotificationPromo() {
-  NotificationPromo notification_promo;
-  notification_promo.InitFromPrefs(NotificationPromo::MOBILE_NTP_SYNC_PROMO);
-  return notification_promo.CanShow();
-}
-
-// Helper to send out promo resource change notification.
-void Notify(PromoHandler* ph, chrome::NotificationType notification_type) {
-  content::NotificationService* service =
-      content::NotificationService::current();
-  service->Notify(notification_type,
-                  content::Source<PromoHandler>(ph),
-                  content::NotificationService::NoDetails());
-}
-
-// Replaces all formatting markup in the promo with the corresponding HTML.
-std::string ReplaceSimpleMarkupWithHtml(std::string text) {
-  const std::string LINE_BREAK = "<br/>";
-  const std::string SYNCGRAPHIC_IMAGE =
-      "<div class=\"promo-sync-graphic\"></div>";
-  const std::string BEGIN_HIGHLIGHT =
-      "<div style=\"text-align: center\"><button class=\"promo-button\">";
-  const std::string END_HIGHLIGHT = "</button></div>";
-  const std::string BEGIN_LINK =
-      "<span style=\"color: blue; text-decoration: underline;\">";
-  const std::string END_LINK = "</span>";
-  const std::string BEGIN_PROMO_AREA = "<div class=\"promo-action-target\">";
-  const std::string END_PROMO_AREA = "</div>";
-
-  ReplaceSubstringsAfterOffset(&text, 0, "LINE_BREAK", LINE_BREAK);
-  ReplaceSubstringsAfterOffset(
-      &text, 0, "SYNCGRAPHIC_IMAGE", SYNCGRAPHIC_IMAGE);
-  ReplaceSubstringsAfterOffset(&text, 0, "BEGIN_HIGHLIGHT", BEGIN_HIGHLIGHT);
-  ReplaceSubstringsAfterOffset(&text, 0, "END_HIGHLIGHT", END_HIGHLIGHT);
-  ReplaceSubstringsAfterOffset(&text, 0, "BEGIN_LINK", BEGIN_LINK);
-  ReplaceSubstringsAfterOffset(&text, 0, "END_LINK", END_LINK);
-  return BEGIN_PROMO_AREA + text + END_PROMO_AREA;
-}
-
-}  // namespace
-
-PromoHandler::PromoHandler() {
-    // Watch for pref changes that cause us to need to re-inject promolines.
-    registrar_.Add(this, chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED,
-                   content::NotificationService::AllSources());
-
-    // Watch for sync service updates that could cause re-injections
-    registrar_.Add(this, chrome::NOTIFICATION_SYNC_CONFIGURE_DONE,
-                   content::NotificationService::AllSources());
-    registrar_.Add(this, chrome::NOTIFICATION_FOREIGN_SESSION_UPDATED,
-                   content::NotificationService::AllSources());
-}
-
-PromoHandler::~PromoHandler() {
-}
-
-void PromoHandler::RegisterMessages() {
-  web_ui()->RegisterMessageCallback("getPromotions",
-      base::Bind(&PromoHandler::HandleGetPromotions,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("recordImpression",
-      base::Bind(&PromoHandler::HandleRecordImpression,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("promoActionTriggered",
-      base::Bind(&PromoHandler::HandlePromoActionTriggered,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("promoDisabled",
-      base::Bind(&PromoHandler::HandlePromoDisabled,
-                 base::Unretained(this)));
-}
-
-// static
-void PromoHandler::RegisterProfilePrefs(
-    user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterBooleanPref(
-      prefs::kNtpPromoDesktopSessionFound,
-      false,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-}
-
-void PromoHandler::Observe(int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  if (chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED == type ||
-      chrome::NOTIFICATION_SYNC_CONFIGURE_DONE == type ||
-      chrome::NOTIFICATION_FOREIGN_SESSION_UPDATED == type) {
-    // A change occurred to one of the preferences we care about
-    CheckDesktopSessions();
-    InjectPromoDecorations();
-  } else {
-    NOTREACHED() << "Unknown pref changed.";
-  }
-}
-
-void PromoHandler::HandlePromoSendEmail(const base::ListValue* args) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  Profile* profile = Profile::FromBrowserContext(
-      web_ui()->GetWebContents()->GetBrowserContext());
-  if (!profile)
-    return;
-
-  base::string16 data_subject, data_body, data_inv;
-  if (!args || args->GetSize() < 3) {
-    DVLOG(1) << "promoSendEmail: expected three args, got "
-             << (args ? args->GetSize() : 0);
-    return;
-  }
-
-  args->GetString(0, &data_subject);
-  args->GetString(1, &data_body);
-  args->GetString(2, &data_inv);
-  if (data_inv.empty() || (data_subject.empty() && data_body.empty()))
-    return;
-
-  std::string data_email;
-  ProfileSyncService* service =
-      ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile);
-  if (service && service->signin())
-    data_email = service->signin()->GetAuthenticatedUsername();
-
-  chrome::android::SendEmail(
-      base::UTF8ToUTF16(data_email), data_subject, data_body, data_inv,
-      base::string16());
-  RecordImpressionOnHistogram(PROMO_IMPRESSION_SEND_EMAIL_CLICKED);
-}
-
-void PromoHandler::HandlePromoActionTriggered(const base::ListValue* /*args*/) {
-  if (!CanShowNotificationPromo())
-    return;
-
-  NotificationPromoMobileNtp promo;
-  if (!promo.InitFromPrefs())
-    return;
-
-  if (promo.action_type() == "ACTION_EMAIL")
-    HandlePromoSendEmail(promo.action_args());
-}
-
-void PromoHandler::HandlePromoDisabled(const base::ListValue* /*args*/) {
-  if (!CanShowNotificationPromo())
-    return;
-
-  NotificationPromo::HandleClosed(NotificationPromo::MOBILE_NTP_SYNC_PROMO);
-  RecordImpressionOnHistogram(PROMO_IMPRESSION_CLOSE_PROMO_CLICKED);
-
-  content::NotificationService* service =
-      content::NotificationService::current();
-  service->Notify(chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED,
-                  content::Source<PromoHandler>(this),
-                  content::NotificationService::NoDetails());
-}
-
-void PromoHandler::HandleGetPromotions(const base::ListValue* /*args*/) {
-  CheckDesktopSessions();
-  InjectPromoDecorations();
-}
-
-void PromoHandler::HandleRecordImpression(const base::ListValue* args) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  DCHECK(args && !args->empty());
-  RecordPromotionImpression(base::UTF16ToASCII(ExtractStringValue(args)));
-}
-
-void PromoHandler::InjectPromoDecorations() {
-  base::DictionaryValue result;
-  if (FetchPromotion(&result))
-    web_ui()->CallJavascriptFunction("ntp.setPromotions", result);
-  else
-    web_ui()->CallJavascriptFunction("ntp.clearPromotions");
-}
-
-void PromoHandler::RecordPromotionImpression(const std::string& id) {
-  // Update number of views a promotion has received and trigger refresh
-  // if it exceeded max_views set for the promotion.
-  if (NotificationPromo::HandleViewed(
-          NotificationPromo::MOBILE_NTP_SYNC_PROMO)) {
-    Notify(this, chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED);
-  }
-
-  if (id == "most_visited")
-    RecordImpressionOnHistogram(PROMO_IMPRESSION_MOST_VISITED);
-  else if (id == "open_tabs")
-    RecordImpressionOnHistogram(PROMO_IMPRESSION_OPEN_TABS);
-  else if (id == "sync_promo")
-    RecordImpressionOnHistogram(PROMO_IMPRESSION_SYNC_PROMO);
-  else
-    NOTREACHED() << "Unknown promotion impression: " << id;
-}
-
-bool PromoHandler::FetchPromotion(base::DictionaryValue* result) {
-  DCHECK(result != NULL);
-  if (!CanShowNotificationPromo())
-    return false;
-
-  NotificationPromoMobileNtp promo;
-  if (!promo.InitFromPrefs())
-    return false;
-
-  DCHECK(!promo.text().empty());
-  if (!DoesChromePromoMatchCurrentSync(
-          promo.requires_sync(), promo.requires_mobile_only_sync())) {
-    return false;
-  }
-
-  result->SetBoolean("promoIsAllowed", true);
-  result->SetBoolean("promoIsAllowedOnMostVisited",
-                     promo.show_on_most_visited());
-  result->SetBoolean("promoIsAllowedOnOpenTabs", promo.show_on_open_tabs());
-  result->SetBoolean("promoIsAllowedAsVC", promo.show_as_virtual_computer());
-  result->SetString("promoVCTitle", promo.virtual_computer_title());
-  result->SetString("promoVCLastSynced", promo.virtual_computer_lastsync());
-  result->SetString("promoMessage", ReplaceSimpleMarkupWithHtml(promo.text()));
-  result->SetString("promoMessageLong",
-                    ReplaceSimpleMarkupWithHtml(promo.text_long()));
-  return true;
-}
-
-bool PromoHandler::DoesChromePromoMatchCurrentSync(
-    bool promo_requires_sync,
-    bool promo_requires_no_active_desktop_sync_sessions) {
-  Profile* profile = Profile::FromWebUI(web_ui());
-  if (!profile)
-    return false;
-
-  // If the promo doesn't require any sync, the requirements are fulfilled.
-  if (!promo_requires_sync)
-    return true;
-
-  // The promo requires the sync; check that the sync service is active.
-  ProfileSyncService* service =
-      ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile);
-  if (!service || !service->ShouldPushChanges())
-    return false;
-
-  // If the promo doesn't have specific requirements for the sync, it matches.
-  if (!promo_requires_no_active_desktop_sync_sessions)
-    return true;
-
-  // If the promo requires mobile-only sync,
-  // check that no desktop sessions are found.
-  PrefService* prefs = profile->GetPrefs();
-  return !prefs || !prefs->GetBoolean(prefs::kNtpPromoDesktopSessionFound);
-}
-
-void PromoHandler::CheckDesktopSessions() {
-  Profile* profile = Profile::FromWebUI(web_ui());
-  if (!profile)
-    return;
-
-  // Check if desktop sessions have already been found.
-  PrefService* prefs = profile->GetPrefs();
-  if (!prefs || prefs->GetBoolean(prefs::kNtpPromoDesktopSessionFound))
-    return;
-
-  // Check if the sync is currently active.
-  ProfileSyncService* service =
-      ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile);
-  if (!service || !service->ShouldPushChanges())
-    return;
-
-  // Check if the sync has any open sessions.
-  browser_sync::OpenTabsUIDelegate* open_tabs =
-      service->GetOpenTabsUIDelegate();
-  if (!open_tabs)
-    return;
-
-  // Let's see if there are no desktop sessions.
-  std::vector<const browser_sync::SyncedSession*> sessions;
-  base::ListValue session_list;
-  if (!open_tabs->GetAllForeignSessions(&sessions))
-    return;
-
-  for (size_t i = 0; i < sessions.size(); ++i) {
-    const browser_sync::SyncedSession::DeviceType device_type =
-        sessions[i]->device_type;
-    if (device_type == browser_sync::SyncedSession::TYPE_WIN ||
-        device_type == browser_sync::SyncedSession::TYPE_MACOSX ||
-        device_type == browser_sync::SyncedSession::TYPE_LINUX) {
-      // Found a desktop session: write out the pref.
-      prefs->SetBoolean(prefs::kNtpPromoDesktopSessionFound, true);
-      return;
-    }
-  }
-}