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
24namespace {
25// The singleton instance of TranslateService.
26TranslateService* g_translate_service = NULL;
27}
28
29TranslateService::TranslateService() {
30  resource_request_allowed_notifier_.Init(this);
31}
32
33TranslateService::~TranslateService() {}
34
35// static
36void 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  translate::TranslateDownloadManager* download_manager =
44      translate::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
52void TranslateService::Shutdown(bool cleanup_pending_fetcher) {
53  translate::TranslateDownloadManager* download_manager =
54      translate::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
64void TranslateService::InitializeForTesting() {
65  if (!g_translate_service) {
66    TranslateService::Initialize();
67  } else {
68    translate::TranslateDownloadManager::GetInstance()->ResetForTesting();
69    g_translate_service->OnResourceRequestsAllowed();
70  }
71}
72
73// static
74void TranslateService::ShutdownForTesting() {
75  translate::TranslateDownloadManager::GetInstance()->Shutdown();
76}
77
78void TranslateService::OnResourceRequestsAllowed() {
79  translate::TranslateLanguageList* language_list =
80      translate::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
91bool TranslateService::IsTranslateBubbleEnabled() {
92#if defined(USE_AURA)
93  return true;
94#elif defined(OS_MACOSX)
95  // The bubble UX is experimental on Mac OS X.
96  return CommandLine::ForCurrentProcess()->HasSwitch(
97      switches::kEnableTranslateNewUX);
98#else
99  // The bubble UX is not implemented on other platforms.
100  return false;
101#endif
102}
103
104// static
105std::string TranslateService::GetTargetLanguage(PrefService* prefs) {
106  std::vector<std::string> accept_languages_list;
107  base::SplitString(prefs->GetString(prefs::kAcceptLanguages), ',',
108                    &accept_languages_list);
109  return translate::TranslateManager::GetTargetLanguage(accept_languages_list);
110}
111
112// static
113bool TranslateService::IsTranslatableURL(const GURL& url) {
114  // A URLs is translatable unless it is one of the following:
115  // - empty (can happen for popups created with window.open(""))
116  // - an internal URL (chrome:// and others)
117  // - the devtools (which is considered UI)
118  // - Chrome OS file manager extension
119  // - an FTP page (as FTP pages tend to have long lists of filenames that may
120  //   confuse the CLD)
121  return !url.is_empty() && !url.SchemeIs(content::kChromeUIScheme) &&
122         !url.SchemeIs(content::kChromeDevToolsScheme) &&
123#if defined(OS_CHROMEOS)
124         !(url.SchemeIs(extensions::kExtensionScheme) &&
125           url.DomainIs(file_manager::kFileManagerAppId)) &&
126#endif
127         !url.SchemeIs(url::kFtpScheme);
128}
129