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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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