Line data    Source code

       1             : /*
       2             :  * Copyright 2016 Google Inc.
       3             :  *
       4             :  * Use of this source code is governed by a BSD-style license that can be
       5             :  * found in the LICENSE file.
       6             :  */
       7             : 
       8             : #ifndef GrSurfaceContextPriv_DEFINED
       9             : #define GrSurfaceContextPriv_DEFINED
      10             : 
      11             : #include "GrSurfaceContext.h"
      12             : 
      13             : /** Class that adds methods to GrSurfaceContext that are only intended for use internal to
      14             :     Skia. This class is purely a privileged window into GrSurfaceContext. It should never have
      15             :     additional data members or virtual methods. */
      16             : class GrSurfaceContextPriv {
      17             : public:
      18           0 :     GrContext* getContext() { return fSurfaceContext->fContext; }
      19             : 
      20             : private:
      21           0 :     explicit GrSurfaceContextPriv(GrSurfaceContext* surfaceContext) 
      22           0 :         : fSurfaceContext(surfaceContext) {
      23           0 :     }
      24             : 
      25             :     GrSurfaceContextPriv(const GrSurfaceContextPriv&) {} // unimpl
      26             :     GrSurfaceContextPriv& operator=(const GrSurfaceContextPriv&); // unimpl
      27             : 
      28             :     // No taking addresses of this type.
      29             :     const GrSurfaceContextPriv* operator&() const;
      30             :     GrSurfaceContextPriv* operator&();
      31             : 
      32             :     GrSurfaceContext* fSurfaceContext;
      33             : 
      34             :     friend class GrSurfaceContext; // to construct/copy this type.
      35             : };
      36             : 
      37           0 : inline GrSurfaceContextPriv GrSurfaceContext::surfPriv() {
      38           0 :     return GrSurfaceContextPriv(this);
      39             : }
      40             : 
      41             : inline const GrSurfaceContextPriv GrSurfaceContext::surfPriv() const {
      42             :     return GrSurfaceContextPriv(const_cast<GrSurfaceContext*>(this));
      43             : }
      44             : 
      45             : #endif