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_url_tracker_factory.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/channel_info.h"
  21 #include "chrome/common/chrome_switches.h"
  22 #include "chrome/common/pref_names.h"
  23 #include "components/google/core/browser/google_url_tracker.h"
  24 #include "components/google/core/browser/google_util.h"
  25 #include "components/omnibox/browser/omnibox_field_trial.h"
  26 #include "components/search/search.h"
  27 #include "components/version_info/version_info.h"
  28 #include "content/public/browser/browser_thread.h"
  29 #include "ui/base/device_form_factor.h"
  30 #include "url/gurl.h"
  31
  32 #if defined(ENABLE_RLZ)
  33 #include "components/rlz/rlz_tracker.h"
  34 #endif
  35
  36 using content::BrowserThread;
  37
  38 // static
  39 std::string* UIThreadSearchTermsData::google_base_url_ = NULL;
  40
  41 UIThreadSearchTermsData::UIThreadSearchTermsData(Profile* profile)
  42     : profile_(profile) {
  43   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  44       BrowserThread::CurrentlyOn(BrowserThread::UI));
  45 }
  46
  47 std::string UIThreadSearchTermsData::GoogleBaseURLValue() const {
  48   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  49       BrowserThread::CurrentlyOn(BrowserThread::UI));
  50   if (google_base_url_)
  51     return *google_base_url_;
  52   GURL base_url(google_util::CommandLineGoogleBaseURL());
  53   if (base_url.is_valid())
  54     return base_url.spec();
  55
  56   if (!profile_)
  57     return SearchTermsData::GoogleBaseURLValue();
  58
  59   const GoogleURLTracker* tracker =
  60       GoogleURLTrackerFactory::GetForProfile(profile_);
  61   return tracker ?
  62       tracker->google_url().spec() : GoogleURLTracker::kDefaultGoogleHomepage;
  63 }
  64
  65 std::string UIThreadSearchTermsData::GetApplicationLocale() const {
  66   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  67       BrowserThread::CurrentlyOn(BrowserThread::UI));
  68   return g_browser_process->GetApplicationLocale();
  69 }
  70
  71 // Android implementations are in ui_thread_search_terms_data_android.cc.
  72 #if !defined(OS_ANDROID)
  73 base::string16 UIThreadSearchTermsData::GetRlzParameterValue(
  74     bool from_app_list) const {
  75   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  76       BrowserThread::CurrentlyOn(BrowserThread::UI));
  77   base::string16 rlz_string;
  78 #if defined(ENABLE_RLZ)
  79   // For organic brandcodes do not use rlz at all. Empty brandcode usually
  80   // means a chromium install. This is ok.
  81   std::string brand;
  82   if (google_brand::GetBrand(&brand) && !brand.empty() &&
  83       !google_brand::IsOrganic(brand)) {
  84     // This call will return false the first time(s) it is called until the
  85     // value has been cached. This normally would mean that at most one omnibox
  86     // search might not send the RLZ data but this is not really a problem.
  87     rlz_lib::AccessPoint access_point = rlz::RLZTracker::ChromeOmnibox();
  88 #if !defined(OS_IOS)
  89     if (from_app_list)
  90       access_point = rlz::RLZTracker::ChromeAppList();
  91 #endif
  92     rlz::RLZTracker::GetAccessPointRlz(access_point, &rlz_string);
  93   }
  94 #endif
  95   return rlz_string;
  96 }
  97
  98 // We can enable this on non-Android if other platforms ever want a non-empty
  99 // search client string.  There is already a unit test in place for Android
 100 // called TemplateURLTest::SearchClient.
 101 std::string UIThreadSearchTermsData::GetSearchClient() const {
 102   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 103       BrowserThread::CurrentlyOn(BrowserThread::UI));
 104   return std::string();
 105 }
 106 #endif
 107
 108 std::string UIThreadSearchTermsData::GetSuggestClient() const {
 109   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 110       BrowserThread::CurrentlyOn(BrowserThread::UI));
 111 #if defined(OS_ANDROID)
 112   return ui::GetDeviceFormFactor() == ui::DEVICE_FORM_FACTOR_PHONE ?
 113       "chrome" : "chrome-omni";
 114 #else
 115   return search::IsInstantExtendedAPIEnabled() ? "chrome-omni" : "chrome";
 116 #endif
 117 }
 118
 119 std::string UIThreadSearchTermsData::GetSuggestRequestIdentifier() const {
 120   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 121       BrowserThread::CurrentlyOn(BrowserThread::UI));
 122 #if defined(OS_ANDROID)
 123   if (ui::GetDeviceFormFactor() == ui::DEVICE_FORM_FACTOR_PHONE)
 124     return "chrome-mobile-ext-ansg";
 125 #endif
 126   return "chrome-ext-ansg";
 127 }
 128
 129 bool UIThreadSearchTermsData::IsShowingSearchTermsOnSearchResultsPages() const {
 130   return search::IsInstantExtendedAPIEnabled() &&
 131          search::IsQueryExtractionEnabled();
 132 }
 133
 134 std::string UIThreadSearchTermsData::InstantExtendedEnabledParam(
 135     bool for_search) const {
 136   return search::InstantExtendedEnabledParam(for_search);
 137 }
 138
 139 std::string UIThreadSearchTermsData::ForceInstantResultsParam(
 140     bool for_prerender) const {
 141   return search::ForceInstantResultsParam(for_prerender);
 142 }
 143
 144 int UIThreadSearchTermsData::OmniboxStartMargin() const {
 145   InstantService* instant_service =
 146       InstantServiceFactory::GetForProfile(profile_);
 147   // Android and iOS have no InstantService.
 148   return instant_service ? instant_service->omnibox_start_margin()
 149                          : search::kDisableStartMargin;
 150 }
 151
 152 std::string UIThreadSearchTermsData::NTPIsThemedParam() const {
 153   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 154          BrowserThread::CurrentlyOn(BrowserThread::UI));
 155 #if defined(ENABLE_THEMES)
 156   if (!search::IsInstantExtendedAPIEnabled())
 157     return std::string();
 158
 159   // TODO(dhollowa): Determine fraction of custom themes that don't affect the
 160   // NTP background and/or color.
 161   ThemeService* theme_service = ThemeServiceFactory::GetForProfile(profile_);
 162   // NTP is considered themed if the theme is not default and not native (GTK+).
 163   if (theme_service && !theme_service->UsingDefaultTheme() &&
 164       !theme_service->UsingSystemTheme())
 165     return "es_th=1&";
 166 #endif  // defined(ENABLE_THEMES)
 167
 168   return std::string();
 169 }
 170
 171 // It's acutally OK to call this method on any thread, but it's currently placed
 172 // in UIThreadSearchTermsData since SearchTermsData cannot depend on src/chrome
 173 // as it is shared with iOS.
 174 std::string UIThreadSearchTermsData::GoogleImageSearchSource() const {
 175   std::string version(version_info::GetProductName() + " " +
 176                       version_info::GetVersionNumber());
 177   if (version_info::IsOfficialBuild())
 178     version += " (Official)";
 179   version += " " + version_info::GetOSType();
 180   std::string modifier(chrome::GetChannelString());
 181   if (!modifier.empty())
 182     version += " " + modifier;
 183   return version;
 184 }
 185
 186 std::string UIThreadSearchTermsData::GetAcceptLanguages() const {
 187   return profile_ ? profile_->GetPrefs()->GetString(prefs::kAcceptLanguages)
 188                   : std::string();
 189 }
 190
 191 // static
 192 void UIThreadSearchTermsData::SetGoogleBaseURL(const std::string& base_url) {
 193   delete google_base_url_;
 194   google_base_url_ = base_url.empty() ? NULL : new std::string(base_url);
 195 }