| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_CLIENT_H_ |
| #define CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_CLIENT_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/feature_list.h" |
| #include "base/macros.h" |
| #include "build/build_config.h" |
| #include "chrome/browser/ui/translate/translate_bubble_model.h" |
| #include "components/language/core/browser/url_language_histogram.h" |
| #include "components/translate/content/browser/content_translate_driver.h" |
| #include "components/translate/core/browser/translate_client.h" |
| #include "components/translate/core/browser/translate_step.h" |
| #include "components/translate/core/common/translate_errors.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| |
| namespace content { |
| class BrowserContext; |
| class WebContents; |
| } // namespace content |
| |
| class PrefService; |
| |
| namespace translate { |
| class LanguageState; |
| class TranslateAcceptLanguages; |
| class TranslatePrefs; |
| class TranslateManager; |
| |
| struct LanguageDetectionDetails; |
| } // namespace translate |
| |
| enum class ShowTranslateBubbleResult; |
| |
| class ChromeTranslateClient |
| : public translate::TranslateClient, |
| public translate::ContentTranslateDriver::Observer, |
| public content::WebContentsObserver, |
| public content::WebContentsUserData<ChromeTranslateClient> { |
| public: |
| ~ChromeTranslateClient() override; |
| |
| // Gets the LanguageState associated with the page. |
| translate::LanguageState& GetLanguageState(); |
| |
| // Returns the ContentTranslateDriver instance associated with this |
| // WebContents. |
| translate::ContentTranslateDriver& translate_driver() { |
| return translate_driver_; |
| } |
| |
| // Helper method to return a new TranslatePrefs instance. |
| static std::unique_ptr<translate::TranslatePrefs> CreateTranslatePrefs( |
| PrefService* prefs); |
| |
| // Helper method to return the TranslateAcceptLanguages instance associated |
| // with |browser_context|. |
| static translate::TranslateAcceptLanguages* GetTranslateAcceptLanguages( |
| content::BrowserContext* browser_context); |
| |
| // Helper method to return the TranslateManager instance associated with |
| // |web_contents|, or NULL if there is no such associated instance. |
| static translate::TranslateManager* GetManagerFromWebContents( |
| content::WebContents* web_contents); |
| |
| // Gets |source| and |target| language for translation. |
| static void GetTranslateLanguages(content::WebContents* web_contents, |
| std::string* source, |
| std::string* target); |
| |
| // Gets the associated TranslateManager. |
| translate::TranslateManager* GetTranslateManager(); |
| |
| // Gets the associated WebContents. Returns NULL if the WebContents is being |
| // destroyed. |
| content::WebContents* GetWebContents(); |
| |
| // TranslateClient implementation. |
| translate::TranslateDriver* GetTranslateDriver() override; |
| PrefService* GetPrefs() override; |
| std::unique_ptr<translate::TranslatePrefs> GetTranslatePrefs() override; |
| translate::TranslateAcceptLanguages* GetTranslateAcceptLanguages() override; |
| void RecordTranslateEvent(const metrics::TranslateEventProto&) override; |
| #if defined(OS_ANDROID) |
| std::unique_ptr<infobars::InfoBar> CreateInfoBar( |
| std::unique_ptr<translate::TranslateInfoBarDelegate> delegate) |
| const override; |
| int GetInfobarIconID() const override; |
| #endif |
| |
| void RecordLanguageDetectionEvent( |
| const translate::LanguageDetectionDetails& details) const override; |
| bool ShowTranslateUI(translate::TranslateStep step, |
| const std::string& source_language, |
| const std::string& target_language, |
| translate::TranslateErrors::Type error_type, |
| bool triggered_from_menu) override; |
| bool IsTranslatableURL(const GURL& url) override; |
| void ShowReportLanguageDetectionErrorUI(const GURL& report_url) override; |
| |
| // ContentTranslateDriver::Observer implementation. |
| void OnLanguageDetermined( |
| const translate::LanguageDetectionDetails& details) override; |
| void OnPageTranslated(const std::string& original_lang, |
| const std::string& translated_lang, |
| translate::TranslateErrors::Type error_type) override; |
| |
| private: |
| explicit ChromeTranslateClient(content::WebContents* web_contents); |
| friend class content::WebContentsUserData<ChromeTranslateClient>; |
| FRIEND_TEST_ALL_PREFIXES(ChromeTranslateClientTest, |
| LanguageEventShouldRecord); |
| FRIEND_TEST_ALL_PREFIXES(ChromeTranslateClientTest, |
| LanguageEventShouldNotRecord); |
| FRIEND_TEST_ALL_PREFIXES(ChromeTranslateClientTest, |
| TranslationEventShouldRecord); |
| FRIEND_TEST_ALL_PREFIXES(ChromeTranslateClientTest, |
| TranslationEventShouldNotRecord); |
| |
| // content::WebContentsObserver implementation. |
| void WebContentsDestroyed() override; |
| |
| // Shows the translate bubble. |
| ShowTranslateBubbleResult ShowBubble( |
| translate::TranslateStep step, |
| translate::TranslateErrors::Type error_type); |
| |
| translate::ContentTranslateDriver translate_driver_; |
| std::unique_ptr<translate::TranslateManager> translate_manager_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChromeTranslateClient); |
| }; |
| |
| #endif // CHROME_BROWSER_TRANSLATE_CHROME_TRANSLATE_CLIENT_H_ |