1 /* 2 * Copyright 2019 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 GrBaseContextPriv_DEFINED 9 #define GrBaseContextPriv_DEFINED 10 11 #include "GrContext_Base.h" 12 13 /** Class that exposes methods on GrContext_Base that are only intended for use internal to Skia. 14 This class is purely a privileged window into GrContext_Base. It should never have 15 additional data members or virtual methods. */ 16 class GrBaseContextPriv { 17 public: 18 // from GrContext_Base contextID()19 uint32_t contextID() const { return fContext->contextID(); } 20 21 private: GrBaseContextPriv(GrContext_Base * context)22 explicit GrBaseContextPriv(GrContext_Base* context) : fContext(context) {} 23 GrBaseContextPriv(const GrBaseContextPriv&); // unimpl 24 GrBaseContextPriv& operator=(const GrBaseContextPriv&); // unimpl 25 26 // No taking addresses of this type. 27 const GrBaseContextPriv* operator&() const; 28 GrBaseContextPriv* operator&(); 29 30 GrContext_Base* fContext; 31 32 friend class GrContext_Base; // to construct/copy this type. 33 }; 34 priv()35inline GrBaseContextPriv GrContext_Base::priv() { return GrBaseContextPriv(this); } 36 priv()37inline const GrBaseContextPriv GrContext_Base::priv () const { 38 return GrBaseContextPriv(const_cast<GrContext_Base*>(this)); 39 } 40 41 #endif 42