OP/OP_AutoLockInputs.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Side Effects Software Inc
 *      123 Front Street West, Suite 1401
 *      Toronto, Ontario
 *      Canada   M5J 2M2
 *      416-504-9876
 *
 * NAME:        OP_AutoLockInputs.h ( OP Library, C++)
 *
 * COMMENTS:    Lock and automatically unlock inputs when cooking an operator.
 */

#ifndef __OP_AutoLockInputs__
#define __OP_AutoLockInputs__

#include "OP_API.h"
#include "OP_Node.h"

class OP_API OP_AutoLockInputs
{
public:
    OP_AutoLockInputs();
    ~OP_AutoLockInputs();

    OP_ERROR    lock(OP_Node &node, OP_Context &context);

    OP_Node     *getLockedNode() const
                 { return myNode; }
    bool         getLockedState() const
                 { return myLocked; }

private:
    void        unlock();

    OP_Node     *myNode;
    bool         myLocked;
};

#endif

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