chrome/browser/translate/translate_service.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 "chrome/browser/translate/translate_service.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/logging.h"
   9 #include "base/prefs/pref_service.h"
  10 #include "base/strings/string_split.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/common/chrome_switches.h"
  13 #include "chrome/common/pref_names.h"
  14 #include "components/translate/core/browser/translate_download_manager.h"
  15 #include "components/translate/core/browser/translate_manager.h"
  16 #include "content/public/common/url_constants.h"
  17 #include "url/gurl.h"
  18
  19 #if defined(OS_CHROMEOS)
  20 #include "chrome/browser/chromeos/file_manager/app_id.h"
  21 #include "extensions/common/constants.h"
  22 #endif
  23
  24 namespace {
  25 // The singleton instance of TranslateService.
  26 TranslateService* g_translate_service = NULL;
  27 }
  28
  29 TranslateService::TranslateService()
  30     : resource_request_allowed_notifier_(
  31           g_browser_process->local_state(),
  32           switches::kDisableBackgroundNetworking) {
  33   resource_request_allowed_notifier_.Init(this);
  34 }
  35
  36 TranslateService::~TranslateService() {}
  37
  38 // static
  39 void TranslateService::Initialize() {
  40   if (g_translate_service)
  41     return;
  42
  43   g_translate_service = new TranslateService;
  44   // Initialize the allowed state for resource requests.
  45   g_translate_service->OnResourceRequestsAllowed();
  46   translate::TranslateDownloadManager* download_manager =
  47       translate::TranslateDownloadManager::GetInstance();
  48   download_manager->set_request_context(
  49       g_browser_process->system_request_context());
  50   download_manager->set_application_locale(
  51       g_browser_process->GetApplicationLocale());
  52 }
  53
  54 // static
  55 void TranslateService::Shutdown(bool cleanup_pending_fetcher) {
  56   translate::TranslateDownloadManager* download_manager =
  57       translate::TranslateDownloadManager::GetInstance();
  58   if (cleanup_pending_fetcher) {
  59     download_manager->Shutdown();
  60   } else {
  61     // This path is only used by browser tests.
  62     download_manager->set_request_context(NULL);
  63   }
  64 }
  65
  66 // static
  67 void TranslateService::InitializeForTesting() {
  68   if (!g_translate_service) {
  69     TranslateService::Initialize();
  70   } else {
  71     translate::TranslateDownloadManager::GetInstance()->ResetForTesting();
  72     g_translate_service->OnResourceRequestsAllowed();
  73   }
  74 }
  75
  76 // static
  77 void TranslateService::ShutdownForTesting() {
  78   translate::TranslateDownloadManager::GetInstance()->Shutdown();
  79 }
  80
  81 void TranslateService::OnResourceRequestsAllowed() {
  82   translate::TranslateLanguageList* language_list =
  83       translate::TranslateDownloadManager::GetInstance()->language_list();
  84   if (!language_list) {
  85     NOTREACHED();
  86     return;
  87   }
  88
  89   language_list->SetResourceRequestsAllowed(
  90       resource_request_allowed_notifier_.ResourceRequestsAllowed());
  91 }
  92
  93 // static
  94 bool TranslateService::IsTranslateBubbleEnabled() {
  95 #if defined(USE_AURA)
  96   return true;
  97 #elif defined(OS_MACOSX)
  98   // The bubble UX is experimental on Mac OS X.
  99   return base::CommandLine::ForCurrentProcess()->HasSwitch(
 100       switches::kEnableTranslateNewUX);
 101 #else
 102   // The bubble UX is not implemented on other platforms.
 103   return false;
 104 #endif
 105 }
 106
 107 // static
 108 std::string TranslateService::GetTargetLanguage(PrefService* prefs) {
 109   std::vector<std::string> accept_languages_list;
 110   base::SplitString(prefs->GetString(prefs::kAcceptLanguages), ',',
 111                     &accept_languages_list);
 112   return translate::TranslateManager::GetTargetLanguage(accept_languages_list);
 113 }
 114
 115 // static
 116 bool TranslateService::IsTranslatableURL(const GURL& url) {
 117   // A URLs is translatable unless it is one of the following:
 118   // - empty (can happen for popups created with window.open(""))
 119   // - an internal URL (chrome:// and others)
 120   // - the devtools (which is considered UI)
 121   // - Chrome OS file manager extension
 122   // - an FTP page (as FTP pages tend to have long lists of filenames that may
 123   //   confuse the CLD)
 124   return !url.is_empty() && !url.SchemeIs(content::kChromeUIScheme) &&
 125          !url.SchemeIs(content::kChromeDevToolsScheme) &&
 126 #if defined(OS_CHROMEOS)
 127          !(url.SchemeIs(extensions::kExtensionScheme) &&
 128            url.DomainIs(file_manager::kFileManagerAppId)) &&
 129 #endif
 130          !url.SchemeIs(url::kFtpScheme);
 131 }