ios/chrome/browser/translate/translate_service_ios.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 "ios/chrome/browser/translate/translate_service_ios.h"
   6
   7 #include "base/logging.h"
   8 #include "components/translate/core/browser/translate_download_manager.h"
   9 #include "components/translate/core/browser/translate_manager.h"
  10 #include "ios/chrome/browser/application_context.h"
  11 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
  12 #include "url/gurl.h"
  13
  14 namespace {
  15 // The singleton instance of TranslateServiceIOS.
  16 TranslateServiceIOS* g_translate_service = nullptr;
  17 }
  18
  19 TranslateServiceIOS::TranslateServiceIOS()
  20     : resource_request_allowed_notifier_(
  21           GetApplicationContext()->GetLocalState(),
  22           nullptr) {
  23   resource_request_allowed_notifier_.Init(this);
  24 }
  25
  26 TranslateServiceIOS::~TranslateServiceIOS() {
  27 }
  28
  29 // static
  30 void TranslateServiceIOS::Initialize() {
  31   if (g_translate_service)
  32     return;
  33
  34   g_translate_service = new TranslateServiceIOS;
  35   // Initialize the allowed state for resource requests.
  36   g_translate_service->OnResourceRequestsAllowed();
  37   translate::TranslateDownloadManager* download_manager =
  38       translate::TranslateDownloadManager::GetInstance();
  39   download_manager->set_request_context(
  40       GetApplicationContext()->GetSystemURLRequestContext());
  41   download_manager->set_application_locale(
  42       GetApplicationContext()->GetApplicationLocale());
  43 }
  44
  45 // static
  46 void TranslateServiceIOS::Shutdown() {
  47   translate::TranslateDownloadManager* download_manager =
  48       translate::TranslateDownloadManager::GetInstance();
  49   download_manager->Shutdown();
  50 }
  51
  52 void TranslateServiceIOS::OnResourceRequestsAllowed() {
  53   translate::TranslateLanguageList* language_list =
  54       translate::TranslateDownloadManager::GetInstance()->language_list();
  55   if (!language_list) {
  56     NOTREACHED();
  57     return;
  58   }
  59
  60   language_list->SetResourceRequestsAllowed(
  61       resource_request_allowed_notifier_.ResourceRequestsAllowed());
  62 }
  63
  64 // static
  65 bool TranslateServiceIOS::IsTranslatableURL(const GURL& url) {
  66   // A URL is translatable unless it is one of the following:
  67   // - empty (can happen for popups created with window.open(""))
  68   // - an internal URL
  69   return !url.is_empty() &&
  70          !url.SchemeIs(ios::GetChromeBrowserProvider()->GetChromeUIScheme());
  71 }