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/sync/glue/device_info.h"
  19 #include "chrome/browser/themes/theme_service.h"
  20 #include "chrome/browser/themes/theme_service_factory.h"
  21 #include "chrome/common/chrome_switches.h"
  22 #include "chrome/common/chrome_version_info.h"
  23 #include "chrome/common/pref_names.h"
  24 #include "components/google/core/browser/google_util.h"
  25 #include "components/omnibox/omnibox_field_trial.h"
  26 #include "components/search/search.h"
  27 #include "content/public/browser/browser_thread.h"
  28 #include "sync/protocol/sync.pb.h"
  29 #include "url/gurl.h"
  30
  31 #if defined(ENABLE_RLZ)
  32 #include "chrome/browser/rlz/rlz.h"
  33 #endif
  34
  35 using content::BrowserThread;
  36
  37 // static
  38 std::string* UIThreadSearchTermsData::google_base_url_ = NULL;
  39
  40 UIThreadSearchTermsData::UIThreadSearchTermsData(Profile* profile)
  41     : profile_(profile) {
  42   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  43       BrowserThread::CurrentlyOn(BrowserThread::UI));
  44 }
  45
  46 std::string UIThreadSearchTermsData::GoogleBaseURLValue() const {
  47   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  48       BrowserThread::CurrentlyOn(BrowserThread::UI));
  49   if (google_base_url_)
  50     return *google_base_url_;
  51   GURL base_url(google_util::CommandLineGoogleBaseURL());
  52   if (base_url.is_valid())
  53     return base_url.spec();
  54   return profile_ ?
  55       google_profile_helper::GetGoogleHomePageURL(profile_).spec() :
  56       SearchTermsData::GoogleBaseURLValue();
  57 }
  58
  59 std::string UIThreadSearchTermsData::GetApplicationLocale() const {
  60   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  61       BrowserThread::CurrentlyOn(BrowserThread::UI));
  62   return g_browser_process->GetApplicationLocale();
  63 }
  64
  65 // Android implementations are in ui_thread_search_terms_data_android.cc.
  66 #if !defined(OS_ANDROID)
  67 base::string16 UIThreadSearchTermsData::GetRlzParameterValue(
  68     bool from_app_list) const {
  69   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  70       BrowserThread::CurrentlyOn(BrowserThread::UI));
  71   base::string16 rlz_string;
  72 #if defined(ENABLE_RLZ)
  73   // For organic brandcodes do not use rlz at all. Empty brandcode usually
  74   // means a chromium install. This is ok.
  75   std::string brand;
  76   if (google_brand::GetBrand(&brand) && !brand.empty() &&
  77       !google_brand::IsOrganic(brand)) {
  78     // This call will return false the first time(s) it is called until the
  79     // value has been cached. This normally would mean that at most one omnibox
  80     // search might not send the RLZ data but this is not really a problem.
  81     rlz_lib::AccessPoint access_point = RLZTracker::ChromeOmnibox();
  82 #if !defined(OS_IOS)
  83     if (from_app_list)
  84       access_point = RLZTracker::ChromeAppList();
  85 #endif
  86     RLZTracker::GetAccessPointRlz(access_point, &rlz_string);
  87   }
  88 #endif
  89   return rlz_string;
  90 }
  91
  92 // We can enable this on non-Android if other platforms ever want a non-empty
  93 // search client string.  There is already a unit test in place for Android
  94 // called TemplateURLTest::SearchClient.
  95 std::string UIThreadSearchTermsData::GetSearchClient() const {
  96   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
  97       BrowserThread::CurrentlyOn(BrowserThread::UI));
  98   return std::string();
  99 }
 100 #endif
 101
 102 std::string UIThreadSearchTermsData::GetSuggestClient() const {
 103   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 104       BrowserThread::CurrentlyOn(BrowserThread::UI));
 105 #if defined(OS_ANDROID)
 106   sync_pb::SyncEnums::DeviceType device_type =
 107       browser_sync::DeviceInfo::GetLocalDeviceType();
 108   return device_type == sync_pb::SyncEnums_DeviceType_TYPE_PHONE ?
 109     "chrome" : "chrome-omni";
 110 #else
 111   return chrome::IsInstantExtendedAPIEnabled() ? "chrome-omni" : "chrome";
 112 #endif
 113 }
 114
 115 std::string UIThreadSearchTermsData::GetSuggestRequestIdentifier() const {
 116   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 117       BrowserThread::CurrentlyOn(BrowserThread::UI));
 118 #if defined(OS_ANDROID)
 119   sync_pb::SyncEnums::DeviceType device_type =
 120       browser_sync::DeviceInfo::GetLocalDeviceType();
 121   if (device_type == sync_pb::SyncEnums_DeviceType_TYPE_PHONE) {
 122     return OmniboxFieldTrial::EnableAnswersInSuggest() ?
 123         "chrome-mobile-ext-ansg" : "chrome-mobile-ext";
 124   }
 125   return OmniboxFieldTrial::EnableAnswersInSuggest() ?
 126       "chrome-ext-ansg" : "chrome-ext";
 127 #elif defined(OS_IOS)
 128   return OmniboxFieldTrial::EnableAnswersInSuggest() ?
 129       "chrome-ext-ansg" : "chrome-ext";
 130 #else
 131   return "chrome-ext";
 132 #endif
 133 }
 134
 135 bool UIThreadSearchTermsData::EnableAnswersInSuggest() const {
 136   return OmniboxFieldTrial::EnableAnswersInSuggest();
 137 }
 138
 139 bool UIThreadSearchTermsData::IsShowingSearchTermsOnSearchResultsPages() const {
 140   return chrome::IsInstantExtendedAPIEnabled() &&
 141       chrome::IsQueryExtractionEnabled();
 142 }
 143
 144 std::string UIThreadSearchTermsData::InstantExtendedEnabledParam(
 145     bool for_search) const {
 146   return chrome::InstantExtendedEnabledParam(for_search);
 147 }
 148
 149 std::string UIThreadSearchTermsData::ForceInstantResultsParam(
 150     bool for_prerender) const {
 151   return chrome::ForceInstantResultsParam(for_prerender);
 152 }
 153
 154 int UIThreadSearchTermsData::OmniboxStartMargin() const {
 155   InstantService* instant_service =
 156       InstantServiceFactory::GetForProfile(profile_);
 157   // Android and iOS have no InstantService.
 158   return instant_service ?
 159       instant_service->omnibox_start_margin() : chrome::kDisableStartMargin;
 160 }
 161
 162 std::string UIThreadSearchTermsData::NTPIsThemedParam() const {
 163   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
 164          BrowserThread::CurrentlyOn(BrowserThread::UI));
 165 #if defined(ENABLE_THEMES)
 166   if (!chrome::IsInstantExtendedAPIEnabled())
 167     return std::string();
 168
 169   // TODO(dhollowa): Determine fraction of custom themes that don't affect the
 170   // NTP background and/or color.
 171   ThemeService* theme_service = ThemeServiceFactory::GetForProfile(profile_);
 172   // NTP is considered themed if the theme is not default and not native (GTK+).
 173   if (theme_service && !theme_service->UsingDefaultTheme() &&
 174       !theme_service->UsingSystemTheme())
 175     return "es_th=1&";
 176 #endif  // defined(ENABLE_THEMES)
 177
 178   return std::string();
 179 }
 180
 181 // It's acutally OK to call this method on any thread, but it's currently placed
 182 // in UIThreadSearchTermsData since SearchTermsData cannot depend on
 183 // VersionInfo.
 184 std::string UIThreadSearchTermsData::GoogleImageSearchSource() const {
 185   chrome::VersionInfo version_info;
 186   if (version_info.is_valid()) {
 187     std::string version(version_info.Name() + " " + version_info.Version());
 188     if (version_info.IsOfficialBuild())
 189       version += " (Official)";
 190     version += " " + version_info.OSType();
 191     std::string modifier(version_info.GetVersionStringModifier());
 192     if (!modifier.empty())
 193       version += " " + modifier;
 194     return version;
 195   }
 196   return "unknown";
 197 }
 198
 199 // static
 200 void UIThreadSearchTermsData::SetGoogleBaseURL(const std::string& base_url) {
 201   delete google_base_url_;
 202   google_base_url_ = base_url.empty() ? NULL : new std::string(base_url);
 203 }