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