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 "chrome/browser/browser_process.h"
   9 #include "chrome/browser/translate/translate_manager.h"
  10 #include "chrome/common/chrome_switches.h"
  11 #include "components/translate/core/browser/translate_download_manager.h"
  12
  13 namespace {
  14 // The singleton instance of TranslateService.
  15 TranslateService* g_translate_service = NULL;
  16 }
  17
  18 TranslateService::TranslateService() : use_infobar_(false) {
  19   resource_request_allowed_notifier_.Init(this);
  20 }
  21
  22 TranslateService::~TranslateService() {}
  23
  24 // static
  25 void TranslateService::Initialize() {
  26   if (g_translate_service)
  27     return;
  28
  29   g_translate_service = new TranslateService;
  30   // Initialize the allowed state for resource requests.
  31   g_translate_service->OnResourceRequestsAllowed();
  32   // Create the TranslateManager singleton.
  33   TranslateManager::GetInstance();
  34   TranslateDownloadManager* download_manager =
  35       TranslateDownloadManager::GetInstance();
  36   download_manager->set_request_context(
  37       g_browser_process->system_request_context());
  38   download_manager->set_application_locale(
  39       g_browser_process->GetApplicationLocale());
  40 }
  41
  42 // static
  43 void TranslateService::Shutdown(bool cleanup_pending_fetcher) {
  44   TranslateDownloadManager* download_manager =
  45       TranslateDownloadManager::GetInstance();
  46   if (cleanup_pending_fetcher) {
  47     download_manager->Shutdown();
  48   } else {
  49     // This path is only used by tests.
  50     download_manager->set_request_context(NULL);
  51   }
  52 }
  53
  54 void TranslateService::OnResourceRequestsAllowed() {
  55   TranslateLanguageList* language_list =
  56       TranslateDownloadManager::GetInstance()->language_list();
  57   if (!language_list) {
  58     NOTREACHED();
  59     return;
  60   }
  61
  62   language_list->SetResourceRequestsAllowed(
  63       resource_request_allowed_notifier_.ResourceRequestsAllowed());
  64 }
  65
  66 // static
  67 bool TranslateService::IsTranslateBubbleEnabled() {
  68 #if defined(USE_AURA)
  69   Initialize();
  70   return !g_translate_service->use_infobar_;
  71 #elif defined(OS_MACOSX)
  72   // The bubble UX is experimental on Mac OS X.
  73   return CommandLine::ForCurrentProcess()->HasSwitch(
  74       switches::kEnableTranslateNewUX);
  75 #else
  76   // The bubble UX is not implemented on the non-Aura platforms.
  77   return false;
  78 #endif
  79 }
  80
  81 // static
  82 void TranslateService::SetUseInfobar(bool value) {
  83   Initialize();
  84   g_translate_service->use_infobar_ = value;
  85 }