src/chrome/browser/search_engines/ui_thread_search_terms_data.cc

   1 // Copyright 2014 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/ui_thread_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_brand.h"
  13 #include "chrome/browser/google/google_profile_helper.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/search/instant_service.h"
  16 #include "chrome/browser/search/instant_service_factory.h"
  17 #include "chrome/browser/search/search.h"
  18 #include "chrome/browser/themes/theme_service.h"
  19 #include "chrome/browser/themes/theme_service_factory.h"
  20 #include "chrome/common/chrome_switches.h"
  21 #include "chrome/common/chrome_version_info.h"
  22 #include "components/google/core/browser/google_util.h"
  23 #include "components/omnibox/omnibox_field_trial.h"
  24 #include "components/search/search.h"
  25 #include "content/public/browser/browser_thread.h"
  26 #include "ui/base/device_form_factor.h"
  27 #include "url/gurl.h"
  28
  29 #if defined(ENABLE_RLZ)
  30 #include "chrome/browser/rlz/rlz.h"
  31 #endif
  32
  33 using content::BrowserThread;
  34
  35 // static
  36 std::string* UIThreadSearchTermsData::google_base_url_ = NULL;
  37
  38 UIThreadSearchTermsData::UIThreadSearchTermsData(Profile* profile)
  39     : profile_(profile) {
  40   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  41       BrowserThread::CurrentlyOn(BrowserThread::UI));
  42 }
  43
  44 std::string UIThreadSearchTermsData::GoogleBaseURLValue() const {
  45   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  46       BrowserThread::CurrentlyOn(BrowserThread::UI));
  47   if (google_base_url_)
  48     return *google_base_url_;
  49   GURL base_url(google_util::CommandLineGoogleBaseURL());
  50   if (base_url.is_valid())
  51     return base_url.spec();
  52   return profile_ ?
  53       google_profile_helper::GetGoogleHomePageURL(profile_).spec() :
  54       SearchTermsData::GoogleBaseURLValue();
  55 }
  56
  57 std::string UIThreadSearchTermsData::GetApplicationLocale() const {
  58   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  59       BrowserThread::CurrentlyOn(BrowserThread::UI));
  60   return g_browser_process->GetApplicationLocale();
  61 }
  62
  63 // Android implementations are in ui_thread_search_terms_data_android.cc.
  64 #if !defined(OS_ANDROID)
  65 base::string16 UIThreadSearchTermsData::GetRlzParameterValue(
  66     bool from_app_list) const {
  67   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  68       BrowserThread::CurrentlyOn(BrowserThread::UI));
  69   base::string16 rlz_string;
  70 #if defined(ENABLE_RLZ)
  71   // For organic brandcodes do not use rlz at all. Empty brandcode usually
  72   // means a chromium install. This is ok.
  73   std::string brand;
  74   if (google_brand::GetBrand(&brand) && !brand.empty() &&
  75       !google_brand::IsOrganic(brand)) {
  76     // This call will return false the first time(s) it is called until the
  77     // value has been cached. This normally would mean that at most one omnibox
  78     // search might not send the RLZ data but this is not really a problem.
  79     rlz_lib::AccessPoint access_point = RLZTracker::ChromeOmnibox();
  80 #if !defined(OS_IOS)
  81     if (from_app_list)
  82       access_point = RLZTracker::ChromeAppList();
  83 #endif
  84     RLZTracker::GetAccessPointRlz(access_point, &rlz_string);
  85   }
  86 #endif
  87   return rlz_string;
  88 }
  89
  90 // We can enable this on non-Android if other platforms ever want a non-empty
  91 // search client string.  There is already a unit test in place for Android
  92 // called TemplateURLTest::SearchClient.
  93 std::string UIThreadSearchTermsData::GetSearchClient() const {
  94   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  95       BrowserThread::CurrentlyOn(BrowserThread::UI));
  96   return std::string();
  97 }
  98 #endif
  99
 100 std::string UIThreadSearchTermsData::GetSuggestClient() const {
 101   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 102       BrowserThread::CurrentlyOn(BrowserThread::UI));
 103 #if defined(OS_ANDROID)
 104   return ui::GetDeviceFormFactor() == ui::DEVICE_FORM_FACTOR_PHONE ?
 105       "chrome" : "chrome-omni";
 106 #else
 107   return chrome::IsInstantExtendedAPIEnabled() ? "chrome-omni" : "chrome";
 108 #endif
 109 }
 110
 111 std::string UIThreadSearchTermsData::GetSuggestRequestIdentifier() const {
 112   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 113       BrowserThread::CurrentlyOn(BrowserThread::UI));
 114 #if defined(OS_ANDROID)
 115   if (ui::GetDeviceFormFactor() == ui::DEVICE_FORM_FACTOR_PHONE) {
 116     return OmniboxFieldTrial::EnableAnswersInSuggest() ?
 117         "chrome-mobile-ext-ansg" : "chrome-mobile-ext";
 118   }
 119   return OmniboxFieldTrial::EnableAnswersInSuggest() ?
 120       "chrome-ext-ansg" : "chrome-ext";
 121 #elif defined(OS_IOS)
 122   return OmniboxFieldTrial::EnableAnswersInSuggest() ?
 123       "chrome-ext-ansg" : "chrome-ext";
 124 #else
 125   return "chrome-ext";
 126 #endif
 127 }
 128
 129 bool UIThreadSearchTermsData::EnableAnswersInSuggest() const {
 130   return OmniboxFieldTrial::EnableAnswersInSuggest();
 131 }
 132
 133 bool UIThreadSearchTermsData::IsShowingSearchTermsOnSearchResultsPages() const {
 134   return chrome::IsInstantExtendedAPIEnabled() &&
 135       chrome::IsQueryExtractionEnabled();
 136 }
 137
 138 std::string UIThreadSearchTermsData::InstantExtendedEnabledParam(
 139     bool for_search) const {
 140   return chrome::InstantExtendedEnabledParam(for_search);
 141 }
 142
 143 std::string UIThreadSearchTermsData::ForceInstantResultsParam(
 144     bool for_prerender) const {
 145   return chrome::ForceInstantResultsParam(for_prerender);
 146 }
 147
 148 int UIThreadSearchTermsData::OmniboxStartMargin() const {
 149   InstantService* instant_service =
 150       InstantServiceFactory::GetForProfile(profile_);
 151   // Android and iOS have no InstantService.
 152   return instant_service ?
 153       instant_service->omnibox_start_margin() : chrome::kDisableStartMargin;
 154 }
 155
 156 std::string UIThreadSearchTermsData::NTPIsThemedParam() const {
 157   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 158          BrowserThread::CurrentlyOn(BrowserThread::UI));
 159 #if defined(ENABLE_THEMES)
 160   if (!chrome::IsInstantExtendedAPIEnabled())
 161     return std::string();
 162
 163   // TODO(dhollowa): Determine fraction of custom themes that don't affect the
 164   // NTP background and/or color.
 165   ThemeService* theme_service = ThemeServiceFactory::GetForProfile(profile_);
 166   // NTP is considered themed if the theme is not default and not native (GTK+).
 167   if (theme_service && !theme_service->UsingDefaultTheme() &&
 168       !theme_service->UsingSystemTheme())
 169     return "es_th=1&";
 170 #endif  // defined(ENABLE_THEMES)
 171
 172   return std::string();
 173 }
 174
 175 // It's acutally OK to call this method on any thread, but it's currently placed
 176 // in UIThreadSearchTermsData since SearchTermsData cannot depend on
 177 // VersionInfo.
 178 std::string UIThreadSearchTermsData::GoogleImageSearchSource() const {
 179   chrome::VersionInfo version_info;
 180   std::string version(version_info.Name() + " " + version_info.Version());
 181   if (version_info.IsOfficialBuild())
 182     version += " (Official)";
 183   version += " " + version_info.OSType();
 184   std::string modifier(version_info.GetVersionStringModifier());
 185   if (!modifier.empty())
 186     version += " " + modifier;
 187   return version;
 188 }
 189
 190 // static
 191 void UIThreadSearchTermsData::SetGoogleBaseURL(const std::string& base_url) {
 192   delete google_base_url_;
 193   google_base_url_ = base_url.empty() ? NULL : new std::string(base_url);
 194 }