chrome/browser/tab_contents/language_state_observer.h


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// Copyright 2013 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_TAB_CONTENTS_LANGUAGE_STATE_OBSERVER_H_
#define CHROME_BROWSER_TAB_CONTENTS_LANGUAGE_STATE_OBSERVER_H_

namespace content {
class WebContents;
}

// The observer for the language state.
class LanguageStateObserver {
 public:
  // Handles when the value of IsPageTranslated is changed.
  virtual void OnIsPageTranslatedChanged(content::WebContents* source) = 0;

  // Handles when the value of translate_enabled is changed.
  virtual void OnTranslateEnabledChanged(content::WebContents* source) = 0;

 protected:
  virtual ~LanguageStateObserver() {}
};

#endif  // CHROME_BROWSER_TAB_CONTENTS_LANGUAGE_STATE_OBSERVER_H_