1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef PPAPI_CPP_VAR_RESOURCE_DEV_H_ 6 #define PPAPI_CPP_VAR_RESOURCE_DEV_H_ 7 8 #include "ppapi/cpp/resource.h" 9 #include "ppapi/cpp/var.h" 10 11 /// @file 12 /// This file defines the API for interacting with resource vars. 13 14 namespace pp { 15 16 class VarResource_Dev : public Var { 17 public: 18 /// Constructs a <code>VarResource_Dev</code> given a resource. 19 explicit VarResource_Dev(const pp::Resource& resource); 20 21 /// Constructs a <code>VarResource_Dev</code> given a var for which 22 /// is_resource() is true. This will refer to the same resource var, but allow 23 /// you to access methods specific to resources. 24 /// 25 /// @param[in] var A resource var. 26 explicit VarResource_Dev(const Var& var); 27 28 /// Copy constructor. 29 VarResource_Dev(const VarResource_Dev& other); 30 31 virtual ~VarResource_Dev(); 32 33 /// Assignment operator. 34 VarResource_Dev& operator=(const VarResource_Dev& other); 35 36 /// The <code>Var</code> assignment operator is overridden here so that we can 37 /// check for assigning a non-resource var to a <code>VarResource_Dev</code>. 38 /// 39 /// @param[in] other The resource var to be assigned. 40 /// 41 /// @return The resulting <code>VarResource_Dev</code> (as a 42 /// <code>Var</code>&). 43 virtual Var& operator=(const Var& other); 44 45 /// Gets the resource contained in the var. 46 /// 47 /// @return The <code>pp::Resource</code> that is contained in the var. 48 pp::Resource AsResource(); 49 }; 50 51 } // namespace pp 52 53 #endif // PPAPI_CPP_VAR_RESOURCE_DEV_H_ 54