Editing the custom spelling dictionary

chrome/browser/ui/webui/options/language_dictionary_overlay_handler.h

+// Copyright (c) 2012 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_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_
+
+#include "chrome/browser/spellchecker/spellcheck_custom_dictionary.h"
+#include "chrome/browser/ui/webui/options/options_ui.h"
+
+namespace options {
+
+class LanguageDictionaryOverlayHandler
+    : public OptionsPageUIHandler,
+      public SpellcheckCustomDictionary::Observer {
+ public:
+  LanguageDictionaryOverlayHandler();
+  virtual ~LanguageDictionaryOverlayHandler();
+
+  // Overridden from OptionsPageUIHandler:
+  virtual void GetLocalizedValues(
+      base::DictionaryValue* localized_strings) OVERRIDE;
+  virtual void InitializeHandler() OVERRIDE;
+  virtual void InitializePage() OVERRIDE;
+  virtual void RegisterMessages() OVERRIDE;
+  virtual void Uninitialize() OVERRIDE;
+
+  // Overridden from SpellcheckCustomDictionary::Observer:
+  virtual void OnCustomDictionaryLoaded() OVERRIDE;
+  virtual void OnCustomDictionaryWordAdded(const std::string& word) OVERRIDE;
+  virtual void OnCustomDictionaryWordRemoved(const std::string& word) OVERRIDE;
+
+ private:
+  // Resets the data model with the words from the dictionary.
+  void ResetDataModel();
+
+  // Calls WebUI to update the dictionary words.
+  void UpdateWordList();
+
+  // Refreshes the dictionary words. Called from WebUI.
+  void RefreshWords(const base::ListValue* args);
+
+  // Adds a new word to the dictionary. Called from WebUI.
+  void AddWord(const base::ListValue* args);
+
+  // Removes a word from the dictionary. Called from WebUI.
+  void RemoveWord(const base::ListValue* args);
+
+  // Whether the overlay is initialized and ready to show data.
+  bool overlay_initialized_;
+
+  SpellcheckCustomDictionary* dictionary_;
+  std::vector<std::string> data_model_;
+
+  DISALLOW_COPY_AND_ASSIGN(LanguageDictionaryOverlayHandler);
+};
+
+}  // namespace options
+
+#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_LANGUAGE_DICTIONARY_OVERLAY_HANDLER_H_