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 #include "ppapi/cpp/dev/var_resource_dev.h" 6 7 #include "ppapi/c/dev/ppb_var_resource_dev.h" 8 #include "ppapi/cpp/logging.h" 9 #include "ppapi/cpp/module_impl.h" 10 11 namespace pp { 12 13 namespace { 14 15 template <> const char* interface_name<PPB_VarResource_Dev_0_1>() { 16 return PPB_VAR_RESOURCE_DEV_INTERFACE_0_1; 17 } 18 19 } // namespace 20 21 VarResource_Dev::VarResource_Dev(const pp::Resource& resource) : Var(Null()) { 22 if (!has_interface<PPB_VarResource_Dev_0_1>()) { 23 PP_NOTREACHED(); 24 return; 25 } 26 27 // Note: Var(Null()) sets is_managed_ to true, so |var_| will be properly 28 // released upon destruction. 29 var_ = get_interface<PPB_VarResource_Dev_0_1>()->VarFromResource( 30 resource.pp_resource()); 31 } 32 33 VarResource_Dev::VarResource_Dev(const Var& var) : Var(var) { 34 if (!var.is_resource()) { 35 PP_NOTREACHED(); 36 37 // This takes care of releasing the reference that this object holds. 38 Var::operator=(Var(Null())); 39 } 40 } 41 42 VarResource_Dev::VarResource_Dev(const VarResource_Dev& other) : Var(other) {} 43 44 VarResource_Dev::~VarResource_Dev() {} 45 46 VarResource_Dev& VarResource_Dev::operator=(const VarResource_Dev& other) { 47 Var::operator=(other); 48 return *this; 49 } 50 51 Var& VarResource_Dev::operator=(const Var& other) { 52 if (other.is_resource()) { 53 Var::operator=(other); 54 } else { 55 PP_NOTREACHED(); 56 Var::operator=(Var(Null())); 57 } 58 return *this; 59 } 60 61 pp::Resource VarResource_Dev::AsResource() { 62 if (!has_interface<PPB_VarResource_Dev_0_1>()) 63 return pp::Resource(); 64 65 return pp::Resource( 66 pp::PASS_REF, 67 get_interface<PPB_VarResource_Dev_0_1>()->VarToResource(var_)); 68 } 69 70 } // namespace pp 71