xref: /external/chromium_org/chrome/browser/search_engines/template_url_service_android.cc

// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// 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/template_url_service_android.h"

#include "base/android/jni_string.h"
#include "base/format_macros.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/search_engines/search_terms_data.h"
#include "chrome/browser/search_engines/template_url.h"
#include "chrome/browser/search_engines/template_url_prepopulate_data.h"
#include "chrome/browser/search_engines/template_url_service.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "content/public/browser/notification_source.h"
#include "jni/TemplateUrlService_jni.h"

using base::android::ConvertUTF16ToJavaString;

namespace {

Profile* GetOriginalProfile() {
  return g_browser_process->profile_manager()->GetDefaultProfile()->
      GetOriginalProfile();
}

}  // namespace

TemplateUrlServiceAndroid::TemplateUrlServiceAndroid(JNIEnv* env,
                                                     jobject obj)
    : weak_java_obj_(env, obj),
      template_url_service_(
          TemplateURLServiceFactory::GetForProfile(GetOriginalProfile())) {
  registrar_.Add(this,
                 chrome::NOTIFICATION_TEMPLATE_URL_SERVICE_LOADED,
                 content::Source<TemplateURLService>(template_url_service_));
}

TemplateUrlServiceAndroid::~TemplateUrlServiceAndroid() {
}

void TemplateUrlServiceAndroid::Observe(
    int type,
    const content::NotificationSource& source,
    const content::NotificationDetails& details) {
  DCHECK_EQ(chrome::NOTIFICATION_TEMPLATE_URL_SERVICE_LOADED, type);
  JNIEnv* env = base::android::AttachCurrentThread();
  if (weak_java_obj_.get(env).is_null())
    return;

  Java_TemplateUrlService_templateUrlServiceLoaded(env,
      weak_java_obj_.get(env).obj());
}

void TemplateUrlServiceAndroid::Load(JNIEnv* env, jobject obj) {
  template_url_service_->Load();
}

void TemplateUrlServiceAndroid::SetDefaultSearchProvider(JNIEnv* env,
                                                         jobject obj,
                                                         jint selected_index) {
  std::vector<TemplateURL*> template_urls =
      template_url_service_->GetTemplateURLs();
  size_t selected_index_size_t = static_cast<size_t>(selected_index);
  DCHECK_LT(selected_index_size_t, template_urls.size()) <<
      "Wrong index for search engine";

  TemplateURL* template_url = template_urls[selected_index_size_t];
  DCHECK_GT(template_url->prepopulate_id(), 0) <<
      "Tried to select non-prepopulated search engine";
  template_url_service_->SetDefaultSearchProvider(template_url);
}

jint TemplateUrlServiceAndroid::GetDefaultSearchProvider(JNIEnv* env,
                                                         jobject obj) {
  std::vector<TemplateURL*> template_urls =
      template_url_service_->GetTemplateURLs();
  TemplateURL* default_search_provider =
      template_url_service_->GetDefaultSearchProvider();
  for (size_t i = 0; i < template_urls.size(); ++i) {
    if (default_search_provider == template_urls[i])
      return i;
  }
  return -1;
}

jboolean TemplateUrlServiceAndroid::IsLoaded(JNIEnv* env, jobject obj) {
  return template_url_service_->loaded();
}

jint TemplateUrlServiceAndroid::GetTemplateUrlCount(JNIEnv* env, jobject obj) {
  return template_url_service_->GetTemplateURLs().size();
}

jboolean TemplateUrlServiceAndroid::IsSearchProviderManaged(JNIEnv* env,
                                                            jobject obj) {
  return template_url_service_->is_default_search_managed();
}

jboolean TemplateUrlServiceAndroid::IsSearchByImageAvailable(JNIEnv* env,
                                                             jobject obj) {
  const TemplateURL* default_search_provider =
      template_url_service_->GetDefaultSearchProvider();
  return default_search_provider &&
      !default_search_provider->image_url().empty() &&
      default_search_provider->image_url_ref().IsValid();
}

jboolean TemplateUrlServiceAndroid::IsDefaultSearchEngineGoogle(JNIEnv* env,
                                                                jobject obj) {
  TemplateURL* default_search_provider =
      template_url_service_->GetDefaultSearchProvider();
  return default_search_provider &&
      default_search_provider->url_ref().HasGoogleBaseURLs();
}

base::android::ScopedJavaLocalRef<jobject>
TemplateUrlServiceAndroid::GetPrepopulatedTemplateUrlAt(JNIEnv* env,
                                                        jobject obj,
                                                        jint index) {
  TemplateURL* template_url = template_url_service_->GetTemplateURLs()[index];
  if (!IsPrepopulatedTemplate(template_url) &&
      !template_url->created_by_policy())
   return ScopedJavaLocalRef<jobject>();

  return Java_TemplateUrl_create(
      env,
      index,
      ConvertUTF16ToJavaString(env, template_url->short_name()).obj(),
      ConvertUTF16ToJavaString(env, template_url->keyword()).obj());
}

bool TemplateUrlServiceAndroid::IsPrepopulatedTemplate(TemplateURL* url) {
  return url->prepopulate_id() > 0;
}

static jint Init(JNIEnv* env, jobject obj) {
  TemplateUrlServiceAndroid* template_url_service_android =
      new TemplateUrlServiceAndroid(env, obj);
  return reinterpret_cast<jint>(template_url_service_android);
}

// static
bool TemplateUrlServiceAndroid::Register(JNIEnv* env) {
  return RegisterNativesImpl(env);
}