Move Mac to using renderer spellchecker.

chrome/browser/spellcheck_host.h

 // Copyright (c) 2009 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_SPELLCHECK_HOST_H_
 #define CHROME_BROWSER_SPELLCHECK_HOST_H_
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/platform_file.h"
 #include "base/ref_counted.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/net/url_fetcher.h"
 #include "chrome/browser/net/url_request_context_getter.h"
 
+class Profile;
+
 class SpellCheckHost : public base::RefCountedThreadSafe<SpellCheckHost,
                            ChromeThread::DeleteOnFileThread>,
                        public URLFetcher::Delegate {
  public:
   class Observer {
    public:
     virtual void SpellCheckHostInitialized() = 0;
   };
 
   SpellCheckHost(Observer* observer,
                  const std::string& language,
                  URLRequestContextGetter* request_context_getter);
 
   void Initialize();
 
   // Clear |observer_|. Used to prevent calling back to a deleted object.
   void UnsetObserver();
 
   // Add the given word to the custom words list and inform renderer of the
   // update.
   void AddWord(const std::string& word);
 
+  // This function computes a vector of strings which are to be displayed in
+  // the context menu over a text area for changing spell check languages. It
+  // returns the index of the current spell check language in the vector.
+  // TODO(port): this should take a vector of string16, but the implementation
+  // has some dependencies in l10n util that need porting first.
+  static int GetSpellCheckLanguages(Profile* profile,
+                                    std::vector<std::string>* languages);
+
   const base::PlatformFile& bdict_file() const { return file_; }
 
   const std::vector<std::string>& custom_words() const { return custom_words_; }
 
   const std::string& last_added_word() const { return custom_words_.back(); }
 
   const std::string& language() const { return language_; }
 
+  bool use_platform_spellchecker() const { return use_platform_spellchecker_; }
+
  private:
   // These two classes can destruct us.
   friend class ChromeThread;
   friend class DeleteTask<SpellCheckHost>;
 
   virtual ~SpellCheckHost();
 
   // Figure out the location for the dictionary. This is only non-trivial for
   // Windows:
   // The default place whether the spellcheck dictionary can reside is
@@ skipping 44 matching lines @@
   // The file descriptor/handle for the dictionary file.
   base::PlatformFile file_;
 
   // In-memory cache of the custom words file.
   std::vector<std::string> custom_words_;
 
   // We don't want to attempt to download a missing dictionary file more than
   // once.
   bool tried_to_download_;
 
+  // Whether we should use the platform spellchecker instead of Hunspell.
+  bool use_platform_spellchecker_;
+
   // Data received from the dictionary download.
   std::string data_;
 
   // Used for downloading the dictionary file. We don't hold a reference, and
   // it is only valid to use it on the UI thread.
   URLRequestContextGetter* request_context_getter_;
 
   // Used for downloading the dictionary file.
   scoped_ptr<URLFetcher> fetcher_;
 };
 
 #endif  // CHROME_BROWSER_SPELLCHECK_HOST_H_