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// Copyright (c) 2010 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_JSON_PREF_STORE_H_
#define CHROME_BROWSER_JSON_PREF_STORE_H_
#include <string>
#include "base/scoped_ptr.h"
#include "chrome/browser/important_file_writer.h"
#include "chrome/browser/pref_store.h"
class DictionaryValue;
class FilePath;
class JsonPrefStore : public PrefStore,
public ImportantFileWriter::DataSerializer {
public:
explicit JsonPrefStore(const FilePath& pref_filename);
virtual ~JsonPrefStore();
// PrefStore methods:
virtual bool ReadOnly() { return read_only_; }
virtual DictionaryValue* prefs() { return prefs_.get(); }
virtual PrefReadError ReadPrefs();
virtual bool WritePrefs();
virtual void ScheduleWritePrefs();
// ImportantFileWriter::DataSerializer methods:
virtual bool SerializeData(std::string* data);
private:
FilePath path_;
scoped_ptr<DictionaryValue> prefs_;
bool read_only_;
// Helper for safely writing pref data.
ImportantFileWriter writer_;
};
#endif // CHROME_BROWSER_JSON_PREF_STORE_H_
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