KoActiveCanvasResourceDependencyKoResource.h

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/*
 *  SPDX-FileCopyrightText: 2020 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#ifndef KOACTIVECANVASRESOURCEDEPENDENCYKORESOURCE_H
#define KOACTIVECANVASRESOURCEDEPENDENCYKORESOURCE_H
 
#include <KoActiveCanvasResourceDependency.h>
#include <QVariant>
 
template <typename ResourceType>
class KoActiveCanvasResourceDependencyKoResource : public KoActiveCanvasResourceDependency
{
    using ResourceTypeSP = QSharedPointer<ResourceType>;
 
public:
    KoActiveCanvasResourceDependencyKoResource(int sourceKey, int targetKey)
        : KoActiveCanvasResourceDependency(sourceKey, targetKey)
    {
    }
 
    bool shouldUpdateSource(QVariant &source, const QVariant &target) override
    {
        Q_UNUSED(target);
 
        bool needsResourceUpdate = false;
 
        ResourceTypeSP sourceResource = source.value<ResourceTypeSP>();
 
        if (sourceResource && sourceResource->requiredCanvasResources().contains(targetKey())) {
            needsResourceUpdate = true;
        }
 
        return needsResourceUpdate;
    }
};
 
#endif // KOACTIVECANVASRESOURCEDEPENDENCYKORESOURCE_H