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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/renderer/translate_helper.h" | 5 #include "chrome/renderer/translate_helper.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/message_loop.h" | 10 #include "base/message_loop.h" |
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| 62 WebDocument document = render_view()->GetWebView()->mainFrame()->document(); | 62 WebDocument document = render_view()->GetWebView()->mainFrame()->document(); |
| 63 // If the page explicitly specifies a language, use it, otherwise we'll | 63 // If the page explicitly specifies a language, use it, otherwise we'll |
| 64 // determine it based on the text content using the CLD. | 64 // determine it based on the text content using the CLD. |
| 65 std::string language = GetPageLanguageFromMetaTag(&document); | 65 std::string language = GetPageLanguageFromMetaTag(&document); |
| 66 if (language.empty()) { | 66 if (language.empty()) { |
| 67 base::TimeTicks begin_time = base::TimeTicks::Now(); | 67 base::TimeTicks begin_time = base::TimeTicks::Now(); |
| 68 language = DetermineTextLanguage(contents); | 68 language = DetermineTextLanguage(contents); |
| 69 UMA_HISTOGRAM_MEDIUM_TIMES("Renderer4.LanguageDetection", | 69 UMA_HISTOGRAM_MEDIUM_TIMES("Renderer4.LanguageDetection", |
| 70 base::TimeTicks::Now() - begin_time); | 70 base::TimeTicks::Now() - begin_time); |
| 71 } else { | 71 } else { |
| 72 VLOG(1) << "PageLanguageFromMetaTag: " << language; | 72 VLOG(9) << "PageLanguageFromMetaTag: " << language; |
| 73 } | 73 } |
| 74 | 74 |
| 75 Send(new ChromeViewHostMsg_TranslateLanguageDetermined( | 75 Send(new ChromeViewHostMsg_TranslateLanguageDetermined( |
| 76 routing_id(), language, IsPageTranslatable(&document))); | 76 routing_id(), language, IsPageTranslatable(&document))); |
| 77 } | 77 } |
| 78 | 78 |
| 79 void TranslateHelper::CancelPendingTranslation() { | 79 void TranslateHelper::CancelPendingTranslation() { |
| 80 weak_method_factory_.InvalidateWeakPtrs(); | 80 weak_method_factory_.InvalidateWeakPtrs(); |
| 81 translation_pending_ = false; | 81 translation_pending_ = false; |
| 82 page_id_ = -1; | 82 page_id_ = -1; |
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| 153 if (is_reliable && text_bytes >= 100 && cld_language != NUM_LANGUAGES && | 153 if (is_reliable && text_bytes >= 100 && cld_language != NUM_LANGUAGES && |
| 154 cld_language != UNKNOWN_LANGUAGE && cld_language != TG_UNKNOWN_LANGUAGE) { | 154 cld_language != UNKNOWN_LANGUAGE && cld_language != TG_UNKNOWN_LANGUAGE) { |
| 155 // We should not use LanguageCode_ISO_639_1 because it does not cover all | 155 // We should not use LanguageCode_ISO_639_1 because it does not cover all |
| 156 // the languages CLD can detect. As a result, it'll return the invalid | 156 // the languages CLD can detect. As a result, it'll return the invalid |
| 157 // language code for tradtional Chinese among others. | 157 // language code for tradtional Chinese among others. |
| 158 // |LanguageCodeWithDialect| will go through ISO 639-1, ISO-639-2 and | 158 // |LanguageCodeWithDialect| will go through ISO 639-1, ISO-639-2 and |
| 159 // 'other' tables to do the 'right' thing. In addition, it'll return zh-CN | 159 // 'other' tables to do the 'right' thing. In addition, it'll return zh-CN |
| 160 // for Simplified Chinese. | 160 // for Simplified Chinese. |
| 161 language = LanguageCodeWithDialects(cld_language); | 161 language = LanguageCodeWithDialects(cld_language); |
| 162 } | 162 } |
| 163 VLOG(1) << "Detected lang_id: " << language << ", from Text:\n" << text | 163 VLOG(9) << "Detected lang_id: " << language << ", from Text:\n" << text |
|
rvargas (doing something else)
2012/08/10 19:11:30
Actually, I would still want to understand why are
| |
| 164 << "\n*************************************\n"; | 164 << "\n*************************************\n"; |
| 165 return language; | 165 return language; |
| 166 } | 166 } |
| 167 | 167 |
| 168 //////////////////////////////////////////////////////////////////////////////// | 168 //////////////////////////////////////////////////////////////////////////////// |
| 169 // TranslateHelper, protected: | 169 // TranslateHelper, protected: |
| 170 // | 170 // |
| 171 bool TranslateHelper::IsTranslateLibAvailable() { | 171 bool TranslateHelper::IsTranslateLibAvailable() { |
| 172 bool lib_available = false; | 172 bool lib_available = false; |
| 173 if (!ExecuteScriptAndGetBoolResult( | 173 if (!ExecuteScriptAndGetBoolResult( |
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| 443 WebView* web_view = render_view()->GetWebView(); | 443 WebView* web_view = render_view()->GetWebView(); |
| 444 if (!web_view) { | 444 if (!web_view) { |
| 445 // When the WebView is going away, the render view should have called | 445 // When the WebView is going away, the render view should have called |
| 446 // CancelPendingTranslation() which should have stopped any pending work, so | 446 // CancelPendingTranslation() which should have stopped any pending work, so |
| 447 // that case should not happen. | 447 // that case should not happen. |
| 448 NOTREACHED(); | 448 NOTREACHED(); |
| 449 return NULL; | 449 return NULL; |
| 450 } | 450 } |
| 451 return web_view->mainFrame(); | 451 return web_view->mainFrame(); |
| 452 } | 452 } |
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