/*

 * Copyright 2018 Google Inc.

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#ifndef GrResourceProviderPriv_DEFINED

#define GrResourceProviderPriv_DEFINED

#include "src/gpu/GrResourceProvider.h"

/** Class that adds methods to GrResourceProvider that are only intended for use internal to Skia.

    This class is purely a privileged window into GrResourceProvider. It should never have

    additional data members or virtual methods. */

class GrResourceProviderPriv {

public:

    GrGpu* gpu() { return fResourceProvider->gpu(); }

private:

    explicit GrResourceProviderPriv(GrResourceProvider* provider) : fResourceProvider(provider) {}

    GrResourceProviderPriv(const GrResourceProviderPriv&) = delete;

    GrResourceProviderPriv& operator=(const GrResourceProviderPriv&) = delete;

    // No taking addresses of this type.

    const GrResourceProviderPriv* operator&() const;

    GrResourceProviderPriv* operator&();

    GrResourceProvider* fResourceProvider;

    friend class GrResourceProvider; // to construct/copy this type

};

inline GrResourceProviderPriv GrResourceProvider::priv() { return GrResourceProviderPriv(this); }

inline const GrResourceProviderPriv GrResourceProvider::priv() const {  // NOLINT(readability-const-return-type)

    return GrResourceProviderPriv(const_cast<GrResourceProvider*>(this));

}

#endif