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() : use_infobar_(false) {
  30   resource_request_allowed_notifier_.Init(this);
  31 }
  32
  33 TranslateService::~TranslateService() {}
  34
  35 // static
  36 void TranslateService::Initialize() {
  37   if (g_translate_service)
  38     return;
  39
  40   g_translate_service = new TranslateService;
  41   // Initialize the allowed state for resource requests.
  42   g_translate_service->OnResourceRequestsAllowed();
  43   TranslateDownloadManager* download_manager =
  44       TranslateDownloadManager::GetInstance();
  45   download_manager->set_request_context(
  46       g_browser_process->system_request_context());
  47   download_manager->set_application_locale(
  48       g_browser_process->GetApplicationLocale());
  49 }
  50
  51 // static
  52 void TranslateService::Shutdown(bool cleanup_pending_fetcher) {
  53   TranslateDownloadManager* download_manager =
  54       TranslateDownloadManager::GetInstance();
  55   if (cleanup_pending_fetcher) {
  56     download_manager->Shutdown();
  57   } else {
  58     // This path is only used by browser tests.
  59     download_manager->set_request_context(NULL);
  60   }
  61 }
  62
  63 // static
  64 void TranslateService::InitializeForTesting() {
  65   if (!g_translate_service) {
  66     TranslateService::Initialize();
  67   } else {
  68     TranslateDownloadManager::GetInstance()->ResetForTesting();
  69     g_translate_service->OnResourceRequestsAllowed();
  70   }
  71 }
  72
  73 // static
  74 void TranslateService::ShutdownForTesting() {
  75   TranslateDownloadManager::GetInstance()->Shutdown();
  76 }
  77
  78 void TranslateService::OnResourceRequestsAllowed() {
  79   TranslateLanguageList* language_list =
  80       TranslateDownloadManager::GetInstance()->language_list();
  81   if (!language_list) {
  82     NOTREACHED();
  83     return;
  84   }
  85
  86   language_list->SetResourceRequestsAllowed(
  87       resource_request_allowed_notifier_.ResourceRequestsAllowed());
  88 }
  89
  90 // static
  91 bool TranslateService::IsTranslateBubbleEnabled() {
  92 #if defined(USE_AURA)
  93   Initialize();
  94   return !g_translate_service->use_infobar_;
  95 #elif defined(OS_MACOSX)
  96   // The bubble UX is experimental on Mac OS X.
  97   return CommandLine::ForCurrentProcess()->HasSwitch(
  98       switches::kEnableTranslateNewUX);
  99 #else
 100   // The bubble UX is not implemented on the non-Aura platforms.
 101   return false;
 102 #endif
 103 }
 104
 105 // static
 106 void TranslateService::SetUseInfobar(bool value) {
 107   Initialize();
 108   g_translate_service->use_infobar_ = value;
 109 }
 110
 111 // static
 112 std::string TranslateService::GetTargetLanguage(PrefService* prefs) {
 113   std::vector<std::string> accept_languages_list;
 114   base::SplitString(prefs->GetString(prefs::kAcceptLanguages), ',',
 115                     &accept_languages_list);
 116   return TranslateManager::GetTargetLanguage(accept_languages_list);
 117 }
 118
 119 // static
 120 bool TranslateService::IsTranslatableURL(const GURL& url) {
 121   // A URLs is translatable unless it is one of the following:
 122   // - empty (can happen for popups created with window.open(""))
 123   // - an internal URL (chrome:// and others)
 124   // - the devtools (which is considered UI)
 125   // - Chrome OS file manager extension
 126   // - an FTP page (as FTP pages tend to have long lists of filenames that may
 127   //   confuse the CLD)
 128   return !url.is_empty() && !url.SchemeIs(content::kChromeUIScheme) &&
 129          !url.SchemeIs(content::kChromeDevToolsScheme) &&
 130 #if defined(OS_CHROMEOS)
 131          !(url.SchemeIs(extensions::kExtensionScheme) &&
 132            url.DomainIs(file_manager::kFileManagerAppId)) &&
 133 #endif
 134          !url.SchemeIs(content::kFtpScheme);
 135 }