1// Copyright (c) 2011 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/google/google_util.h"
6
7#include <string>
8
9#include "base/string_util.h"
10#include "chrome/browser/browser_process.h"
11#include "chrome/browser/google/google_url_tracker.h"
12#include "googleurl/src/gurl.h"
13#include "net/base/registry_controlled_domain.h"
14
15namespace {
16
17// A helper method for adding a query param to |url|.
18GURL AppendParam(const GURL& url,
19                 const std::string& param_name,
20                 const std::string& param_value) {
21  std::string query(url.query());
22  if (!query.empty())
23    query += "&";
24  query += param_name + "=" + param_value;
25  GURL::Replacements repl;
26  repl.SetQueryStr(query);
27  return url.ReplaceComponents(repl);
28}
29
30}  // anonymous namespace
31
32namespace google_util {
33
34const char kLinkDoctorBaseURL[] =
35    "http://linkhelp.clients.google.com/tbproxy/lh/fixurl";
36
37GURL AppendGoogleLocaleParam(const GURL& url) {
38  // Google does not yet recognize 'nb' for Norwegian Bokmal, but it uses
39  // 'no' for that.
40  std::string locale = g_browser_process->GetApplicationLocale();
41  if (locale == "nb")
42    locale = "no";
43  return AppendParam(url, "hl", locale);
44}
45
46std::string StringAppendGoogleLocaleParam(const std::string& url) {
47  GURL original_url(url);
48  DCHECK(original_url.is_valid());
49  GURL localized_url = AppendGoogleLocaleParam(original_url);
50  return localized_url.spec();
51}
52
53GURL AppendGoogleTLDParam(const GURL& url) {
54  const std::string google_domain(
55      net::RegistryControlledDomainService::GetDomainAndRegistry(
56          GoogleURLTracker::GoogleURL()));
57  const size_t first_dot = google_domain.find('.');
58  if (first_dot == std::string::npos) {
59    NOTREACHED();
60    return url;
61  }
62  return AppendParam(url, "sd", google_domain.substr(first_dot + 1));
63}
64
65}  // namespace google_util
66