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// Copyright 2020 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 WEBLAYER_BROWSER_TRANSLATE_CLIENT_IMPL_H_
#define WEBLAYER_BROWSER_TRANSLATE_CLIENT_IMPL_H_
#include <memory>
#include <string>
#include "base/scoped_observer.h"
#include "build/build_config.h"
#include "components/translate/content/browser/content_translate_driver.h"
#include "components/translate/core/browser/translate_client.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
namespace content {
class WebContents;
} // namespace content
namespace translate {
class LanguageState;
class TranslateManager;
} // namespace translate
namespace weblayer {
class TranslateClientImpl
: public translate::TranslateClient,
public translate::ContentTranslateDriver::Observer,
public content::WebContentsObserver,
public content::WebContentsUserData<TranslateClientImpl> {
public:
~TranslateClientImpl() 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_;
}
// Gets the associated TranslateManager.
translate::TranslateManager* GetTranslateManager();
// TranslateClient implementation.
translate::TranslateDriver* GetTranslateDriver() override;
PrefService* GetPrefs() override;
std::unique_ptr<translate::TranslatePrefs> GetTranslatePrefs() override;
translate::TranslateAcceptLanguages* GetTranslateAcceptLanguages() override;
#if defined(OS_ANDROID)
std::unique_ptr<infobars::InfoBar> CreateInfoBar(
std::unique_ptr<translate::TranslateInfoBarDelegate> delegate)
const override;
int GetInfobarIconID() const override;
#endif
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;
// Trigger a manual translation when the necessary state (e.g. source
// language) is ready.
void ManualTranslateWhenReady();
private:
explicit TranslateClientImpl(content::WebContents* web_contents);
friend class content::WebContentsUserData<TranslateClientImpl>;
// content::WebContentsObserver implementation.
void WebContentsDestroyed() override;
translate::ContentTranslateDriver translate_driver_;
std::unique_ptr<translate::TranslateManager> translate_manager_;
// Whether to trigger a manual translation when ready.
bool manual_translate_on_ready_ = false;
ScopedObserver<translate::ContentTranslateDriver,
translate::ContentTranslateDriver::Observer>
observer_{this};
WEB_CONTENTS_USER_DATA_KEY_DECL();
DISALLOW_COPY_AND_ASSIGN(TranslateClientImpl);
};
} // namespace weblayer
#endif // WEBLAYER_BROWSER_TRANSLATE_CLIENT_IMPL_H_
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