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// Copyright (c) 2011 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_TRANSLATE_TAB_HELPER_H_
#define CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_
#include "chrome/browser/tab_contents/language_state.h"
#include "chrome/common/translate_errors.h"
#include "content/public/browser/web_contents_observer.h"
class TranslateTabHelper : public content::WebContentsObserver {
public:
explicit TranslateTabHelper(content::WebContents* web_contents);
virtual ~TranslateTabHelper();
LanguageState& language_state() { return language_state_; }
private:
// content::WebContentsObserver implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void DidNavigateAnyFrame(
const content::LoadCommittedDetails& details,
const content::FrameNavigateParams& params) OVERRIDE;
void OnLanguageDetermined(const std::string& language,
bool page_translatable);
void OnPageTranslated(int32 page_id,
const std::string& original_lang,
const std::string& translated_lang,
TranslateErrors::Type error_type);
// Information about the language the page is in and has been translated to.
LanguageState language_state_;
DISALLOW_COPY_AND_ASSIGN(TranslateTabHelper);
};
#endif // CHROME_BROWSER_TRANSLATE_TRANSLATE_TAB_HELPER_H_
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