Source/modules/mediastream/MediaConstraintsImpl.h

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    in the documentation and/or other materials provided with the
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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
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#ifndef MediaConstraintsImpl_h
#define MediaConstraintsImpl_h

#include "platform/mediastream/MediaConstraints.h"
#include "wtf/HashMap.h"
#include "wtf/Vector.h"

namespace WebCore {

class Dictionary;

class ExceptionState;

class MediaConstraintsImpl : public MediaConstraints {
public:
    static PassRefPtr<MediaConstraintsImpl> create();
    static PassRefPtr<MediaConstraintsImpl> create(const Dictionary&, ExceptionState&);
    virtual ~MediaConstraintsImpl();

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

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

private:
    MediaConstraintsImpl() { }
    bool initialize(const Dictionary&);

    HashMap<String, String> m_mandatoryConstraints;
    Vector<MediaConstraint> m_optionalConstraints;
};

} // namespace WebCore

#endif // MediaConstraintsImpl_h