chrome/browser/search_engines/template_url_service_android.cc

   1 // Copyright (c) 2013 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/template_url_service_android.h"
   6
   7 #include "base/android/jni_string.h"
   8 #include "base/bind.h"
   9 #include "base/format_macros.h"
  10 #include "base/strings/stringprintf.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "chrome/browser/profiles/profile_manager.h"
  13 #include "chrome/browser/search_engines/template_url_service_factory.h"
  14 #include "components/google/core/browser/google_util.h"
  15 #include "components/search_engines/template_url.h"
  16 #include "components/search_engines/template_url_prepopulate_data.h"
  17 #include "components/search_engines/template_url_service.h"
  18 #include "components/search_engines/util.h"
  19 #include "jni/TemplateUrlService_jni.h"
  20 #include "net/base/url_util.h"
  21
  22 namespace {
  23
  24 Profile* GetOriginalProfile() {
  25   return ProfileManager::GetActiveUserProfile()->GetOriginalProfile();
  26 }
  27
  28 }  // namespace
  29
  30 TemplateUrlServiceAndroid::TemplateUrlServiceAndroid(JNIEnv* env,
  31                                                      jobject obj)
  32     : weak_java_obj_(env, obj),
  33       template_url_service_(
  34           TemplateURLServiceFactory::GetForProfile(GetOriginalProfile())) {
  35   template_url_subscription_ =
  36       template_url_service_->RegisterOnLoadedCallback(
  37           base::Bind(&TemplateUrlServiceAndroid::OnTemplateURLServiceLoaded,
  38                      base::Unretained(this)));
  39 }
  40
  41 TemplateUrlServiceAndroid::~TemplateUrlServiceAndroid() {
  42 }
  43
  44 void TemplateUrlServiceAndroid::Load(JNIEnv* env, jobject obj) {
  45   template_url_service_->Load();
  46 }
  47
  48 void TemplateUrlServiceAndroid::SetUserSelectedDefaultSearchProvider(
  49     JNIEnv* env,
  50     jobject obj,
  51     jint selected_index) {
  52   std::vector<TemplateURL*> template_urls =
  53       template_url_service_->GetTemplateURLs();
  54   size_t selected_index_size_t = static_cast<size_t>(selected_index);
  55   DCHECK_LT(selected_index_size_t, template_urls.size()) <<
  56       "Wrong index for search engine";
  57
  58   TemplateURL* template_url = template_urls[selected_index_size_t];
  59   DCHECK_GT(template_url->prepopulate_id(), 0) <<
  60       "Tried to select non-prepopulated search engine";
  61   template_url_service_->SetUserSelectedDefaultSearchProvider(template_url);
  62 }
  63
  64 jint TemplateUrlServiceAndroid::GetDefaultSearchProvider(JNIEnv* env,
  65                                                          jobject obj) {
  66   std::vector<TemplateURL*> template_urls =
  67       template_url_service_->GetTemplateURLs();
  68   TemplateURL* default_search_provider =
  69       template_url_service_->GetDefaultSearchProvider();
  70   for (size_t i = 0; i < template_urls.size(); ++i) {
  71     if (default_search_provider == template_urls[i])
  72       return i;
  73   }
  74   return -1;
  75 }
  76
  77 jboolean TemplateUrlServiceAndroid::IsLoaded(JNIEnv* env, jobject obj) {
  78   return template_url_service_->loaded();
  79 }
  80
  81 jint TemplateUrlServiceAndroid::GetTemplateUrlCount(JNIEnv* env, jobject obj) {
  82   return template_url_service_->GetTemplateURLs().size();
  83 }
  84
  85 jboolean TemplateUrlServiceAndroid::IsSearchProviderManaged(JNIEnv* env,
  86                                                             jobject obj) {
  87   return template_url_service_->is_default_search_managed();
  88 }
  89
  90 jboolean TemplateUrlServiceAndroid::IsSearchByImageAvailable(JNIEnv* env,
  91                                                              jobject obj) {
  92   const TemplateURL* default_search_provider =
  93       template_url_service_->GetDefaultSearchProvider();
  94   return default_search_provider &&
  95       !default_search_provider->image_url().empty() &&
  96       default_search_provider->image_url_ref().IsValid(
  97           template_url_service_->search_terms_data());
  98 }
  99
 100 jboolean TemplateUrlServiceAndroid::IsDefaultSearchEngineGoogle(JNIEnv* env,
 101                                                                 jobject obj) {
 102   TemplateURL* default_search_provider =
 103       template_url_service_->GetDefaultSearchProvider();
 104   return default_search_provider &&
 105       default_search_provider->url_ref().HasGoogleBaseURLs(
 106           template_url_service_->search_terms_data());
 107 }
 108
 109 base::android::ScopedJavaLocalRef<jobject>
 110 TemplateUrlServiceAndroid::GetPrepopulatedTemplateUrlAt(JNIEnv* env,
 111                                                         jobject obj,
 112                                                         jint index) {
 113   TemplateURL* template_url = template_url_service_->GetTemplateURLs()[index];
 114   if (!IsPrepopulatedTemplate(template_url) &&
 115       !template_url->created_by_policy())
 116    return ScopedJavaLocalRef<jobject>();
 117
 118   return Java_TemplateUrl_create(
 119       env,
 120       index,
 121       base::android::ConvertUTF16ToJavaString(
 122           env, template_url->short_name()).obj(),
 123       base::android::ConvertUTF16ToJavaString(
 124           env, template_url->keyword()).obj());
 125 }
 126
 127 bool TemplateUrlServiceAndroid::IsPrepopulatedTemplate(TemplateURL* url) {
 128   return url->prepopulate_id() > 0;
 129 }
 130
 131 void TemplateUrlServiceAndroid::OnTemplateURLServiceLoaded() {
 132   template_url_subscription_.reset();
 133   JNIEnv* env = base::android::AttachCurrentThread();
 134   if (weak_java_obj_.get(env).is_null())
 135     return;
 136
 137   Java_TemplateUrlService_templateUrlServiceLoaded(
 138       env, weak_java_obj_.get(env).obj());
 139 }
 140
 141 base::android::ScopedJavaLocalRef<jstring>
 142 TemplateUrlServiceAndroid::GetUrlForSearchQuery(JNIEnv* env,
 143                                                 jobject obj,
 144                                                 jstring jquery) {
 145   const TemplateURL* default_provider =
 146       template_url_service_->GetDefaultSearchProvider();
 147
 148   base::string16 query(base::android::ConvertJavaStringToUTF16(env, jquery));
 149
 150   std::string url;
 151   if (default_provider &&
 152       default_provider->url_ref().SupportsReplacement(
 153           template_url_service_->search_terms_data()) &&
 154       !query.empty()) {
 155     url = default_provider->url_ref().ReplaceSearchTerms(
 156         TemplateURLRef::SearchTermsArgs(query),
 157         template_url_service_->search_terms_data());
 158   }
 159
 160   return base::android::ConvertUTF8ToJavaString(env, url);
 161 }
 162
 163 base::android::ScopedJavaLocalRef<jstring>
 164 TemplateUrlServiceAndroid::GetUrlForVoiceSearchQuery(JNIEnv* env,
 165                                                      jobject obj,
 166                                                      jstring jquery) {
 167   base::string16 query(base::android::ConvertJavaStringToUTF16(env, jquery));
 168   std::string url;
 169
 170   if (!query.empty()) {
 171     GURL gurl(GetDefaultSearchURLForSearchTerms(template_url_service_, query));
 172     if (google_util::IsGoogleSearchUrl(gurl))
 173       gurl = net::AppendQueryParameter(gurl, "inm", "vs");
 174     url = gurl.spec();
 175   }
 176
 177   return base::android::ConvertUTF8ToJavaString(env, url);
 178 }
 179
 180 base::android::ScopedJavaLocalRef<jstring>
 181 TemplateUrlServiceAndroid::ReplaceSearchTermsInUrl(JNIEnv* env,
 182                                                    jobject obj,
 183                                                    jstring jquery,
 184                                                    jstring jcurrent_url) {
 185   TemplateURL* default_provider =
 186       template_url_service_->GetDefaultSearchProvider();
 187
 188   base::string16 query(base::android::ConvertJavaStringToUTF16(env, jquery));
 189   GURL current_url(base::android::ConvertJavaStringToUTF16(env, jcurrent_url));
 190   GURL destination_url(current_url);
 191   if (default_provider && !query.empty()) {
 192     bool refined_query = default_provider->ReplaceSearchTermsInURL(
 193         current_url, TemplateURLRef::SearchTermsArgs(query),
 194         template_url_service_->search_terms_data(), &destination_url);
 195     if (refined_query)
 196       return base::android::ConvertUTF8ToJavaString(
 197           env, destination_url.spec());
 198   }
 199   return base::android::ScopedJavaLocalRef<jstring>(env, NULL);
 200 }
 201
 202 base::android::ScopedJavaLocalRef<jstring>
 203 TemplateUrlServiceAndroid::GetUrlForContextualSearchQuery(
 204     JNIEnv* env,
 205     jobject obj,
 206     jstring jquery,
 207     jstring jalternate_term) {
 208   base::string16 query(base::android::ConvertJavaStringToUTF16(env, jquery));
 209   std::string url;
 210
 211   if (!query.empty()) {
 212     GURL gurl(GetDefaultSearchURLForSearchTerms(template_url_service_, query));
 213     if (google_util::IsGoogleSearchUrl(gurl)) {
 214       gurl = net::AppendQueryParameter(gurl, "ctxs", "2");
 215       // Indicate that the search page is being prefetched.
 216       gurl = net::AppendQueryParameter(gurl, "pf", "c");
 217
 218       if (jalternate_term) {
 219         std::string alternate_term(
 220             base::android::ConvertJavaStringToUTF8(env, jalternate_term));
 221         if (!alternate_term.empty()) {
 222           gurl = net::AppendQueryParameter(
 223               gurl, "ctxsl_alternate_term", alternate_term);
 224         }
 225       }
 226     }
 227     url = gurl.spec();
 228   }
 229
 230   return base::android::ConvertUTF8ToJavaString(env, url);
 231 }
 232
 233 static jlong Init(JNIEnv* env, jobject obj) {
 234   TemplateUrlServiceAndroid* template_url_service_android =
 235       new TemplateUrlServiceAndroid(env, obj);
 236   return reinterpret_cast<intptr_t>(template_url_service_android);
 237 }
 238
 239 // static
 240 bool TemplateUrlServiceAndroid::Register(JNIEnv* env) {
 241   return RegisterNativesImpl(env);
 242 }