WebMediaConstraints.h

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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#ifndef WebMediaConstraints_h
#define WebMediaConstraints_h

#include "WebCommon.h"
#include "WebNonCopyable.h"
#include "WebPrivatePtr.h"
#include "WebString.h"
#include "WebVector.h"

namespace WebCore {
struct MediaConstraint;
class MediaConstraints;
}

namespace WebKit {

struct WebMediaConstraint {
    WebMediaConstraint()
    {
    }

    WebMediaConstraint(WebString name, WebString value)
        : m_name(name)
        , m_value(value)
    {
    }

#if WEBKIT_IMPLEMENTATION
    WebMediaConstraint(const WebCore::MediaConstraint&);
#endif

    WebString m_name;
    WebString m_value;
};

class WebMediaConstraints {
public:
    WebMediaConstraints() { }
    WebMediaConstraints(const WebMediaConstraints& other) { assign(other); }
    ~WebMediaConstraints() { reset(); }

    WebMediaConstraints& operator=(const WebMediaConstraints& other)
    {
        assign(other);
        return *this;
    }

    WEBKIT_EXPORT void assign(const WebMediaConstraints&);

    WEBKIT_EXPORT void reset();
    bool isNull() const { return m_private.isNull(); }

    WEBKIT_EXPORT void getMandatoryConstraints(WebVector<WebMediaConstraint>&) const;
    WEBKIT_EXPORT void getOptionalConstraints(WebVector<WebMediaConstraint>&) const;

    WEBKIT_EXPORT bool getMandatoryConstraintValue(const WebString& name, WebString& value) const;
    WEBKIT_EXPORT bool getOptionalConstraintValue(const WebString& name, WebString& value) const;

#if WEBKIT_IMPLEMENTATION
    WebMediaConstraints(const WTF::PassRefPtr<WebCore::MediaConstraints>&);
    WebMediaConstraints(WebCore::MediaConstraints*);
#endif

private:
    WebPrivatePtr<WebCore::MediaConstraints> m_private;
};

} // namespace WebKit

#endif // WebMediaConstraints_h