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      1 // Copyright (c) 2012 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_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_
      6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_
      7 
      8 #include "chrome/browser/spellchecker/spellcheck_custom_dictionary.h"
      9 #include "chrome/browser/ui/webui/options/options_ui.h"
     10 
     11 namespace options {
     12 
     13 class LanguageDictionaryOverlayHandler
     14     : public OptionsPageUIHandler,
     15       public SpellcheckCustomDictionary::Observer {
     16  public:
     17   LanguageDictionaryOverlayHandler();
     18   virtual ~LanguageDictionaryOverlayHandler();
     19 
     20   // Overridden from OptionsPageUIHandler:
     21   virtual void GetLocalizedValues(
     22       base::DictionaryValue* localized_strings) OVERRIDE;
     23   virtual void RegisterMessages() OVERRIDE;
     24   virtual void Uninitialize() OVERRIDE;
     25 
     26   // Overridden from SpellcheckCustomDictionary::Observer:
     27   virtual void OnCustomDictionaryLoaded() OVERRIDE;
     28   virtual void OnCustomDictionaryChanged(
     29       const SpellcheckCustomDictionary::Change& dictionary_change) OVERRIDE;
     30 
     31  private:
     32   // Sends the dictionary words to WebUI.
     33   void ResetDictionaryWords();
     34 
     35   // Refreshes the displayed words. Called from WebUI.
     36   void RefreshWords(const base::ListValue* args);
     37 
     38   // Adds a new word to the dictionary. Called from WebUI.
     39   void AddWord(const base::ListValue* args);
     40 
     41   // Removes a word from the dictionary. Called from WebUI.
     42   void RemoveWord(const base::ListValue* args);
     43 
     44   // Whether the overlay is initialized and ready to show data.
     45   bool overlay_initialized_;
     46 
     47   // The custom spelling dictionary. Used for adding, removing, and reading
     48   // words in custom dictionary file.
     49   SpellcheckCustomDictionary* dictionary_;
     50 
     51   DISALLOW_COPY_AND_ASSIGN(LanguageDictionaryOverlayHandler);
     52 };
     53 
     54 }  // namespace options
     55 
     56 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_
     57