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// Copyright (c) 2010 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_RENDERER_TRANSLATE_TEXT_TRANSLATOR_H_
#define CHROME_RENDERER_TRANSLATE_TEXT_TRANSLATOR_H_
#include <string>
#include <vector>
#include "base/string16.h"
// TextTranslator is an interface that is implemented by providers that know
// how to translate text from one language to another.
// It is asynchronous. Clients call Translate() with the text to translate and
// receive a work id. The implementation should call the TextTranslated
// method on the delegate once the text has been translated.
class TextTranslator {
public:
class Delegate {
public:
virtual ~Delegate() {}
// Notifies that the translation failed for |work_id|.
virtual void TranslationError(int work_id, int error_id) = 0;
// Notifies that the translation for |work_id| succeeded.
virtual void TextTranslated(
int work_id, const std::vector<string16>& translated_text) = 0;
};
TextTranslator() {}
virtual ~TextTranslator() {}
// Initiates the translation of the |text| provided, from the language
// |from_lang| to |to_lang| (these are the ISO language code, for example en,
// fr, ja...). If |secure| is true then a secure communication method (HTTPS)
// should be used if using a remote resource to perform the translation.
// Returns a work id that is passed as a parameter when delegate methods are
// called on |delegate| to notify the translation succeeded/failed.
virtual int Translate(const std::vector<string16>& text,
std::string from_lang,
std::string to_lang,
bool secure,
TextTranslator::Delegate* delegate) = 0;
};
#endif // CHROME_RENDERER_TRANSLATE_TEXT_TRANSLATOR_H_
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