//
// Tizen Web Device API
// Copyright (c) 2012 Samsung Electronics Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the License);
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#ifndef SUBJECT_H
#define SUBJECT_H

#include <string>
#include "IMessagingTypes.h"

namespace DeviceAPI {
namespace Messaging {

//--------------------------------------------------------------------------

class Subject
{
  private:   // fields
    /**
     * abstract subject value of message
     */
    std::string m_subject;

    /**
     * information if abstract message body has been changed and need update
     * in low level
     */
    bool m_validSubject;

  public:   // methods

    Subject();

    virtual ~Subject();

    /**
     * setter of subject value
     */
    void setSubject(const std::string& value);

    /**
     * getter of subject value
     */
    std::string getSubject() const;

    /**
     * getter of subject value
     */
    const std::string& getSubjectRef() const;

    /**
     * check validity state
     */
    bool isSubjectValid() const;

    /**
     * setter for validity state
     */
    void setSubjectValidity(bool state);
};
}
}
#endif