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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_BROWSER_TRANSLATE_TRANSLATE_INFOBARS_DELEGATES_H_
#define CHROME_BROWSER_TRANSLATE_TRANSLATE_INFOBARS_DELEGATES_H_
#include "chrome/browser/tab_contents/infobar_delegate.h"
#include "chrome/browser/translate/translate_prefs.h"
class SkBitmap;
// An interface derived from InfoBarDelegate to form the base interface for
// translate infobars.
class TranslateInfoBarDelegate : public InfoBarDelegate {
public:
enum TranslateState {
kBeforeTranslate = 1,
kTranslating,
kAfterTranslate,
kTranslationFailed,
};
// Instantiates a TranslateInfoBarDelegate. Can return NULL if the passed
// languages are not supported.
static TranslateInfoBarDelegate* Create(TabContents* contents,
PrefService* user_prefs,
TranslateState state,
const GURL& url,
const std::string& original_language,
const std::string& target_language);
void UpdateState(TranslateState new_state);
void GetAvailableOriginalLanguages(std::vector<std::string>* languages);
void GetAvailableTargetLanguages(std::vector<std::string>* languages);
void ModifyOriginalLanguage(int lang_index);
void ModifyTargetLanguage(int lang_index);
virtual void Translate();
virtual void TranslationDeclined();
virtual bool IsLanguageBlacklisted();
virtual void ToggleLanguageBlacklist();
virtual bool IsSiteBlacklisted();
virtual void ToggleSiteBlacklist();
virtual bool ShouldAlwaysTranslate();
virtual void ToggleAlwaysTranslate();
int original_lang_index() const {
return original_lang_index_;
}
int target_lang_index() const {
return target_lang_index_;
}
const std::string& original_lang_code() const {
return supported_languages_[original_lang_index_];
}
const std::string& target_lang_code() const {
return supported_languages_[target_lang_index_];
}
const std::string& GetLocaleFromIndex(int lang_index) const {
return supported_languages_[lang_index];
}
TabContents* tab_contents() const {
return tab_contents_;
}
TranslateState state() const {
return state_;
}
// Retrieve the text for the toolbar label. The toolbar label is a bit
// strange since we need to place popup menus inside the string in question.
// To do this we use two placeholders.
//
// |message_text| is the text to display for the label.
// |offsets| contains the offsets of the number of placeholders in the text
// + message_text->length() i.e. it can contain 2 or 3 elements.
// offsets[0] < offsets[1] even in cases where the languages need to be
// displayed in reverse order.
// |swapped_language_placeholders| is true if we need to flip the order
// of the menus in the current locale.
void GetMessageText(string16 *message_text,
std::vector<size_t> *offsets,
bool *swapped_language_placeholders);
// Overridden from InfoBarDelegate.
virtual Type GetInfoBarType() {
return PAGE_ACTION_TYPE;
}
virtual SkBitmap* GetIcon() const;
virtual TranslateInfoBarDelegate* AsTranslateInfoBarDelegate() {
return this;
}
virtual bool EqualsDelegate(InfoBarDelegate* delegate) const;
virtual void InfoBarDismissed();
virtual void InfoBarClosed();
// Returns the printable version of the language code |language_code|.
virtual string16 GetDisplayNameForLocale(const std::string& language_code);
// Overridden from InfoBarDelegate:
virtual InfoBar* CreateInfoBar();
protected:
// For testing.
TranslateInfoBarDelegate() : InfoBarDelegate(NULL) {}
private:
TranslateInfoBarDelegate(TabContents* contents,
PrefService* user_prefs,
TranslateState state,
const GURL& url,
int original_language_index,
int target_language_index);
TabContents* tab_contents_; // Weak.
scoped_ptr<TranslatePrefs> prefs_;
TranslateState state_;
std::string site_;
int original_lang_index_;
int target_lang_index_;
// The list of languages supported.
std::vector<std::string> supported_languages_;
bool never_translate_language_;
bool never_translate_site_;
bool always_translate_;
DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarDelegate);
};
#endif // CHROME_BROWSER_TRANSLATE_TRANSLATE_INFOBARS_DELEGATES_H_
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