Source/core/platform/mediastream/MediaConstraints.h

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    in the documentation and/or other materials provided with the
 *    distribution.
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 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 */

#ifndef MediaConstraints_h
#define MediaConstraints_h

#include "wtf/RefCounted.h"
#include "wtf/text/WTFString.h"

namespace WebCore {

struct MediaConstraint {
    MediaConstraint(String name, String value)
        : m_name(name)
        , m_value(value)
    {
    }

    String m_name;
    String m_value;
};

class MediaConstraints : public RefCounted<MediaConstraints> {
public:
    virtual ~MediaConstraints() { }

    virtual void getMandatoryConstraints(Vector<MediaConstraint>&) const = 0;
    virtual void getOptionalConstraints(Vector<MediaConstraint>&) const = 0;

    virtual bool getMandatoryConstraintValue(const String& name, String& value) const = 0;
    virtual bool getOptionalConstraintValue(const String& name, String& value) const = 0;

protected:
    MediaConstraints() { }
};

} // namespace WebCore

#endif // MediaConstraints_h