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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_CHROMEOS_CROS_SETTINGS_H_
#define CHROME_BROWSER_CHROMEOS_CROS_SETTINGS_H_
#include <string>
#include "base/values.h"
#include "chrome/browser/chromeos/cros_settings_names.h"
namespace chromeos {
// A class manages per-device/global settings.
class CrosSettings {
public:
// Class factory.
static CrosSettings* Get();
// Helper function to test if given path is a value cros settings name.
static bool IsCrosSettings(const std::wstring& path);
// Sets |in_value| to given |path| in cros settings.
// Note that this takes ownership of |in_value|.
virtual void Set(const std::wstring& path, Value* in_value) = 0;
// Gets settings value of given |path| to |out_value|.
// Note that |out_value| is still owned by this class.
virtual bool Get(const std::wstring& path, Value** out_value) const = 0;
// Convenience forms of Set(). These methods will replace any existing
// value at that path, even if it has a different type.
void SetBoolean(const std::wstring& path, bool in_value);
void SetInteger(const std::wstring& path, int in_value);
void SetReal(const std::wstring& path, double in_value);
void SetString(const std::wstring& path, const std::string& in_value);
// These are convenience forms of Get(). The value will be retrieved
// and the return value will be true if the path is valid and the value at
// the end of the path can be returned in the form specified.
bool GetBoolean(const std::wstring& path, bool* out_value) const;
bool GetInteger(const std::wstring& path, int* out_value) const;
bool GetReal(const std::wstring& path, double* out_value) const;
bool GetString(const std::wstring& path, std::string* out_value) const;
protected:
virtual ~CrosSettings() {}
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_CROS_SETTINGS_H_
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