chrome/browser/search_engines/search_terms_data.cc

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/search_engines/search_terms_data.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/logging.h"
   9 #include "base/metrics/field_trial.h"
  10 #include "base/prefs/pref_service.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/browser/google/google_url_tracker.h"
  13 #include "chrome/browser/google/google_util.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/search/search.h"
  16 #include "chrome/browser/sync/glue/device_info.h"
  17 #include "chrome/browser/themes/theme_service.h"
  18 #include "chrome/browser/themes/theme_service_factory.h"
  19 #include "chrome/common/chrome_switches.h"
  20 #include "chrome/common/pref_names.h"
  21 #include "content/public/browser/browser_thread.h"
  22 #include "sync/protocol/sync.pb.h"
  23 #include "url/gurl.h"
  24
  25 #if defined(ENABLE_RLZ)
  26 #include "chrome/browser/rlz/rlz.h"
  27 #endif
  28
  29 using content::BrowserThread;
  30
  31 SearchTermsData::SearchTermsData() {
  32 }
  33
  34 SearchTermsData::~SearchTermsData() {
  35 }
  36
  37 std::string SearchTermsData::GoogleBaseURLValue() const {
  38   return GoogleURLTracker::kDefaultGoogleHomepage;
  39 }
  40
  41 std::string SearchTermsData::GoogleBaseSuggestURLValue() const {
  42   // Start with the Google base URL.
  43   const GURL base_url(GoogleBaseURLValue());
  44   DCHECK(base_url.is_valid());
  45
  46   GURL::Replacements repl;
  47
  48   // Replace any existing path with "/complete/".
  49   // SetPathStr() requires its argument to stay in scope as long as |repl| is,
  50   // so "/complete/" can't be passed to SetPathStr() directly, it needs to be in
  51   // a variable.
  52   const std::string suggest_path("/complete/");
  53   repl.SetPathStr(suggest_path);
  54
  55   // Clear the query and ref.
  56   repl.ClearQuery();
  57   repl.ClearRef();
  58   return base_url.ReplaceComponents(repl).spec();
  59 }
  60
  61 std::string SearchTermsData::GetApplicationLocale() const {
  62   return "en";
  63 }
  64
  65 base::string16 SearchTermsData::GetRlzParameterValue(bool from_app_list) const {
  66   return base::string16();
  67 }
  68
  69 std::string SearchTermsData::GetSearchClient() const {
  70   return std::string();
  71 }
  72
  73 std::string SearchTermsData::GetSuggestClient() const {
  74   return std::string();
  75 }
  76
  77 std::string SearchTermsData::GetSuggestRequestIdentifier() const {
  78   return std::string();
  79 }
  80
  81 std::string SearchTermsData::NTPIsThemedParam() const {
  82   return std::string();
  83 }
  84
  85 // static
  86 std::string* UIThreadSearchTermsData::google_base_url_ = NULL;
  87
  88 UIThreadSearchTermsData::UIThreadSearchTermsData(Profile* profile)
  89     : profile_(profile) {
  90   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  91       BrowserThread::CurrentlyOn(BrowserThread::UI));
  92 }
  93
  94 std::string UIThreadSearchTermsData::GoogleBaseURLValue() const {
  95   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  96       BrowserThread::CurrentlyOn(BrowserThread::UI));
  97   if (google_base_url_)
  98     return *google_base_url_;
  99   GURL base_url(google_util::CommandLineGoogleBaseURL());
 100   if (base_url.is_valid())
 101     return base_url.spec();
 102   return profile_ ? GoogleURLTracker::GoogleURL(profile_).spec() :
 103       SearchTermsData::GoogleBaseURLValue();
 104 }
 105
 106 std::string UIThreadSearchTermsData::GetApplicationLocale() const {
 107   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 108       BrowserThread::CurrentlyOn(BrowserThread::UI));
 109   return g_browser_process->GetApplicationLocale();
 110 }
 111
 112 // Android implementations are located in search_terms_data_android.cc.
 113 #if !defined(OS_ANDROID)
 114 base::string16 UIThreadSearchTermsData::GetRlzParameterValue(
 115     bool from_app_list) const {
 116   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 117       BrowserThread::CurrentlyOn(BrowserThread::UI));
 118   base::string16 rlz_string;
 119 #if defined(ENABLE_RLZ)
 120   // For organic brandcodes do not use rlz at all. Empty brandcode usually
 121   // means a chromium install. This is ok.
 122   std::string brand;
 123   if (google_util::GetBrand(&brand) && !brand.empty() &&
 124       !google_util::IsOrganic(brand)) {
 125     // This call will return false the first time(s) it is called until the
 126     // value has been cached. This normally would mean that at most one omnibox
 127     // search might not send the RLZ data but this is not really a problem.
 128     rlz_lib::AccessPoint access_point = RLZTracker::CHROME_OMNIBOX;
 129 #if !defined(OS_IOS)
 130     if (from_app_list)
 131       access_point = RLZTracker::CHROME_APP_LIST;
 132 #endif
 133     RLZTracker::GetAccessPointRlz(access_point, &rlz_string);
 134   }
 135 #endif
 136   return rlz_string;
 137 }
 138
 139 // We can enable this on non-Android if other platforms ever want a non-empty
 140 // search client string.  There is already a unit test in place for Android
 141 // called TemplateURLTest::SearchClient.
 142 std::string UIThreadSearchTermsData::GetSearchClient() const {
 143   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 144       BrowserThread::CurrentlyOn(BrowserThread::UI));
 145   return std::string();
 146 }
 147 #endif
 148
 149 std::string UIThreadSearchTermsData::GetSuggestClient() const {
 150   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 151       BrowserThread::CurrentlyOn(BrowserThread::UI));
 152 #if defined(OS_ANDROID)
 153   sync_pb::SyncEnums::DeviceType device_type =
 154       browser_sync::DeviceInfo::GetLocalDeviceType();
 155   return device_type == sync_pb::SyncEnums_DeviceType_TYPE_PHONE ?
 156     "chrome" : "chrome-omni";
 157 #else
 158   return chrome::IsInstantExtendedAPIEnabled() ? "chrome-omni" : "chrome";
 159 #endif
 160 }
 161
 162 std::string UIThreadSearchTermsData::GetSuggestRequestIdentifier() const {
 163   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 164       BrowserThread::CurrentlyOn(BrowserThread::UI));
 165 #if defined(OS_ANDROID)
 166   sync_pb::SyncEnums::DeviceType device_type =
 167       browser_sync::DeviceInfo::GetLocalDeviceType();
 168   if (device_type == sync_pb::SyncEnums_DeviceType_TYPE_PHONE) {
 169     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
 170             switches::kEnableAnswersInSuggest)) {
 171       return "chrome-mobile-ext-ansg";
 172     } else {
 173       return "chrome-mobile-ext";
 174     }
 175   }
 176   return "chrome-ext";
 177 #else
 178   return "chrome-ext";
 179 #endif
 180 }
 181
 182 std::string UIThreadSearchTermsData::NTPIsThemedParam() const {
 183   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 184          BrowserThread::CurrentlyOn(BrowserThread::UI));
 185 #if defined(ENABLE_THEMES)
 186   if (!chrome::IsInstantExtendedAPIEnabled())
 187     return std::string();
 188
 189   // TODO(dhollowa): Determine fraction of custom themes that don't affect the
 190   // NTP background and/or color.
 191   ThemeService* theme_service = ThemeServiceFactory::GetForProfile(profile_);
 192   // NTP is considered themed if the theme is not default and not native (GTK+).
 193   if (theme_service && !theme_service->UsingDefaultTheme() &&
 194       !theme_service->UsingNativeTheme())
 195     return "es_th=1&";
 196 #endif  // defined(ENABLE_THEMES)
 197
 198   return std::string();
 199 }
 200
 201 // static
 202 void UIThreadSearchTermsData::SetGoogleBaseURL(const std::string& base_url) {
 203   delete google_base_url_;
 204   google_base_url_ = base_url.empty() ? NULL : new std::string(base_url);
 205 }