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| 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 #import "ios/web_view/internal/translate/criwv_translate_client.h" | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "base/logging.h" | |
| 10 #import "base/mac/scoped_nsobject.h" | |
| 11 #include "base/memory/ptr_util.h" | |
| 12 #include "components/infobars/core/infobar.h" | |
| 13 #include "components/prefs/pref_service.h" | |
| 14 #include "components/translate/core/browser/page_translated_details.h" | |
| 15 #include "components/translate/core/browser/translate_accept_languages.h" | |
| 16 #include "components/translate/core/browser/translate_infobar_delegate.h" | |
| 17 #include "components/translate/core/browser/translate_manager.h" | |
| 18 #include "components/translate/core/browser/translate_prefs.h" | |
| 19 #include "components/translate/core/browser/translate_step.h" | |
| 20 #include "ios/web/public/browser_state.h" | |
| 21 #import "ios/web/public/web_state/web_state.h" | |
| 22 #include "ios/web_view/internal/pref_names.h" | |
| 23 #include "ios/web_view/internal/translate/criwv_translate_accept_languages_facto
ry.h" | |
| 24 #import "ios/web_view/internal/translate/criwv_translate_manager_impl.h" | |
| 25 #include "ios/web_view/internal/web_view_browser_state.h" | |
| 26 #import "ios/web_view/public/cwv_translate_delegate.h" | |
| 27 #include "url/gurl.h" | |
| 28 | |
| 29 DEFINE_WEB_STATE_USER_DATA_KEY(ios_web_view::CRIWVTranslateClient); | |
| 30 | |
| 31 namespace ios_web_view { | |
| 32 | |
| 33 CRIWVTranslateClient::CRIWVTranslateClient(web::WebState* web_state) | |
| 34 : web::WebStateObserver(web_state), | |
| 35 translate_manager_(base::MakeUnique<translate::TranslateManager>( | |
| 36 this, | |
| 37 prefs::kAcceptLanguages)), | |
| 38 translate_driver_(web_state, | |
| 39 web_state->GetNavigationManager(), | |
| 40 translate_manager_.get()) {} | |
| 41 | |
| 42 CRIWVTranslateClient::~CRIWVTranslateClient() {} | |
| 43 | |
| 44 // TranslateClient implementation: | |
| 45 | |
| 46 std::unique_ptr<infobars::InfoBar> CRIWVTranslateClient::CreateInfoBar( | |
| 47 std::unique_ptr<translate::TranslateInfoBarDelegate> delegate) const { | |
| 48 NOTREACHED(); | |
| 49 return nullptr; | |
| 50 } | |
| 51 | |
| 52 void CRIWVTranslateClient::ShowTranslateUI( | |
| 53 translate::TranslateStep step, | |
| 54 const std::string& source_language, | |
| 55 const std::string& target_language, | |
| 56 translate::TranslateErrors::Type error_type, | |
| 57 bool triggered_from_menu) { | |
| 58 if (!delegate_) | |
| 59 return; | |
| 60 | |
| 61 if (error_type != translate::TranslateErrors::NONE) | |
| 62 step = translate::TRANSLATE_STEP_TRANSLATE_ERROR; | |
| 63 | |
| 64 translate_manager_->GetLanguageState().SetTranslateEnabled(true); | |
| 65 | |
| 66 if (step == translate::TRANSLATE_STEP_BEFORE_TRANSLATE && | |
| 67 !translate_manager_->GetLanguageState().HasLanguageChanged()) { | |
| 68 return; | |
| 69 } | |
| 70 | |
| 71 base::scoped_nsobject<CRIWVTranslateManagerImpl> criwv_manager( | |
| 72 [[CRIWVTranslateManagerImpl alloc] | |
| 73 initWithTranslateManager:translate_manager_.get() | |
| 74 sourceLanguage:source_language | |
| 75 targetLanguage:target_language]); | |
| 76 | |
| 77 CRIWVTransateStep criwv_step; | |
| 78 switch (step) { | |
| 79 case translate::TRANSLATE_STEP_BEFORE_TRANSLATE: | |
| 80 criwv_step = CRIWVTransateStepBeforeTranslate; | |
| 81 break; | |
| 82 case translate::TRANSLATE_STEP_TRANSLATING: | |
| 83 criwv_step = CRIWVTransateStepTranslating; | |
| 84 break; | |
| 85 case translate::TRANSLATE_STEP_AFTER_TRANSLATE: | |
| 86 criwv_step = CRIWVTransateStepAfterTranslate; | |
| 87 break; | |
| 88 case translate::TRANSLATE_STEP_TRANSLATE_ERROR: | |
| 89 criwv_step = CRIWVTransateStepError; | |
| 90 break; | |
| 91 case translate::TRANSLATE_STEP_NEVER_TRANSLATE: | |
| 92 NOTREACHED() << "Never translate is not supported yet in web_view."; | |
| 93 criwv_step = CRIWVTransateStepError; | |
| 94 break; | |
| 95 } | |
| 96 [delegate_ translateStepChanged:criwv_step manager:criwv_manager.get()]; | |
| 97 } | |
| 98 | |
| 99 translate::TranslateDriver* CRIWVTranslateClient::GetTranslateDriver() { | |
| 100 return &translate_driver_; | |
| 101 } | |
| 102 | |
| 103 PrefService* CRIWVTranslateClient::GetPrefs() { | |
| 104 DCHECK(web_state()); | |
| 105 return WebViewBrowserState::FromBrowserState(web_state()->GetBrowserState()) | |
| 106 ->GetPrefs(); | |
| 107 } | |
| 108 | |
| 109 std::unique_ptr<translate::TranslatePrefs> | |
| 110 CRIWVTranslateClient::GetTranslatePrefs() { | |
| 111 DCHECK(web_state()); | |
| 112 return base::MakeUnique<translate::TranslatePrefs>( | |
| 113 GetPrefs(), prefs::kAcceptLanguages, nullptr); | |
| 114 } | |
| 115 | |
| 116 translate::TranslateAcceptLanguages* | |
| 117 CRIWVTranslateClient::GetTranslateAcceptLanguages() { | |
| 118 translate::TranslateAcceptLanguages* accept_languages = | |
| 119 CRIWVTranslateAcceptLanguagesFactory::GetForBrowserState( | |
| 120 WebViewBrowserState::FromBrowserState( | |
| 121 web_state()->GetBrowserState())); | |
| 122 DCHECK(accept_languages); | |
| 123 return accept_languages; | |
| 124 } | |
| 125 | |
| 126 int CRIWVTranslateClient::GetInfobarIconID() const { | |
| 127 NOTREACHED(); | |
| 128 return 0; | |
| 129 } | |
| 130 | |
| 131 bool CRIWVTranslateClient::IsTranslatableURL(const GURL& url) { | |
| 132 return !url.is_empty() && !url.SchemeIs(url::kFtpScheme); | |
| 133 } | |
| 134 | |
| 135 void CRIWVTranslateClient::ShowReportLanguageDetectionErrorUI( | |
| 136 const GURL& report_url) { | |
| 137 NOTREACHED(); | |
| 138 } | |
| 139 | |
| 140 void CRIWVTranslateClient::WebStateDestroyed() { | |
| 141 // Translation process can be interrupted. | |
| 142 // Destroying the TranslateManager now guarantees that it never has to deal | |
| 143 // with nullptr WebState. | |
| 144 translate_manager_.reset(); | |
| 145 } | |
| 146 | |
| 147 } // namespace ios_web_view | |
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