chrome/browser/search_engines/ui_thread_search_terms_data.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/search_engines/ui_thread_search_terms_data.h"

#include "base/check.h"
#include "base/metrics/field_trial.h"
#include "base/strings/strcat.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/google/google_brand.h"
#include "chrome/common/channel_info.h"
#include "chrome/common/chrome_switches.h"
#include "components/google/core/common/google_util.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/browser_thread.h"
#include "rlz/buildflags/buildflags.h"
#include "ui/base/device_form_factor.h"
#include "url/gurl.h"

#if BUILDFLAG(ENABLE_RLZ)
#include "components/rlz/rlz_tracker.h"  // nogncheck crbug.com/1125897
#endif

using content::BrowserThread;

UIThreadSearchTermsData::UIThreadSearchTermsData() {
  DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
         BrowserThread::CurrentlyOn(BrowserThread::UI));
}

std::string UIThreadSearchTermsData::GoogleBaseURLValue() const {
  DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
      BrowserThread::CurrentlyOn(BrowserThread::UI));
  GURL base_url(google_util::CommandLineGoogleBaseURL());
  if (base_url.is_valid())
    return base_url.spec();

  return SearchTermsData::GoogleBaseURLValue();
}

std::string UIThreadSearchTermsData::GetApplicationLocale() const {
  DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
      BrowserThread::CurrentlyOn(BrowserThread::UI));
  return g_browser_process->GetApplicationLocale();
}

// Android implementations are in ui_thread_search_terms_data_android.cc.
#if !BUILDFLAG(IS_ANDROID)
std::u16string UIThreadSearchTermsData::GetRlzParameterValue(
    bool from_app_list) const {
  DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
      BrowserThread::CurrentlyOn(BrowserThread::UI));
  std::u16string rlz_string;
#if BUILDFLAG(ENABLE_RLZ)
  // For organic brandcodes do not use rlz at all. Empty brandcode usually
  // means a chromium install. This is ok.
  std::string brand;
  if (google_brand::GetBrand(&brand) && !google_brand::IsOrganic(brand)) {
    // This call will return false the first time(s) it is called until the
    // value has been cached. This normally would mean that at most one omnibox
    // search might not send the RLZ data but this is not really a problem.
    rlz_lib::AccessPoint access_point = rlz::RLZTracker::ChromeOmnibox();
    if (from_app_list)
      access_point = rlz::RLZTracker::ChromeAppList();
    rlz::RLZTracker::GetAccessPointRlz(access_point, &rlz_string);
  }
#endif
  return rlz_string;
}

// We can enable this on non-Android if other platforms ever want a non-empty
// search client string.  There is already a unit test in place for Android
// called TemplateURLTest::SearchClient.
std::string UIThreadSearchTermsData::GetSearchClient() const {
  DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
      BrowserThread::CurrentlyOn(BrowserThread::UI));
  return std::string();
}
#endif

// It's acutally OK to call this method on any thread, but it's currently placed
// in UIThreadSearchTermsData since SearchTermsData cannot depend on src/chrome
// as it is shared with iOS.
std::string UIThreadSearchTermsData::GoogleImageSearchSource() const {
  // Do not distinguish extended from regular stable in image search queries.
  const std::string channel_name =
      chrome::GetChannelName(chrome::WithExtendedStable(false));
  return base::StrCat({version_info::GetProductName(), " ",
                       version_info::GetVersionNumber(),
                       version_info::IsOfficialBuild() ? " (Official) " : " ",
                       version_info::GetOSType(),
                       channel_name.empty() ? "" : " ", channel_name});
}

size_t UIThreadSearchTermsData::EstimateMemoryUsage() const {
  return 0;
}