chrome/browser/tab_contents/language_state_observer.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_TAB_CONTENTS_LANGUAGE_STATE_OBSERVER_H_
   6 #define CHROME_BROWSER_TAB_CONTENTS_LANGUAGE_STATE_OBSERVER_H_
   7
   8 namespace content {
   9 class WebContents;
  10 }
  11
  12 // The observer for the language state.
  13 class LanguageStateObserver {
  14  public:
  15   // Handles when the value of IsPageTranslated is changed.
  16   virtual void OnIsPageTranslatedChanged(content::WebContents* source) = 0;
  17
  18   // Handles when the value of translate_enabled is changed.
  19   virtual void OnTranslateEnabledChanged(content::WebContents* source) = 0;
  20
  21  protected:
  22   virtual ~LanguageStateObserver() {}
  23 };
  24
  25 #endif  // CHROME_BROWSER_TAB_CONTENTS_LANGUAGE_STATE_OBSERVER_H_