1 // Copyright (c) 2012 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/shared_impl/scoped_pp_var.h" 6 7 #include "ppapi/shared_impl/ppapi_globals.h" 8 #include "ppapi/shared_impl/var_tracker.h" 9 10 namespace ppapi { 11 12 namespace { 13 14 void CallAddRef(const PP_Var& v) { 15 PpapiGlobals::Get()->GetVarTracker()->AddRefVar(v); 16 } 17 18 void CallRelease(const PP_Var& v) { 19 PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(v); 20 } 21 22 } // namespace 23 24 ScopedPPVar::ScopedPPVar() : var_(PP_MakeUndefined()) { 25 } 26 27 ScopedPPVar::ScopedPPVar(const PP_Var& v) : var_(v) { 28 CallAddRef(var_); 29 } 30 31 ScopedPPVar::ScopedPPVar(const PassRef&, const PP_Var& v) : var_(v) { 32 } 33 34 ScopedPPVar::ScopedPPVar(const ScopedPPVar& other) 35 : var_(other.var_) { 36 CallAddRef(var_); 37 } 38 39 ScopedPPVar::~ScopedPPVar() { 40 CallRelease(var_); 41 } 42 43 ScopedPPVar& ScopedPPVar::operator=(const PP_Var& v) { 44 CallAddRef(v); 45 CallRelease(var_); 46 var_ = v; 47 return *this; 48 } 49 50 PP_Var ScopedPPVar::Release() { 51 PP_Var result = var_; 52 var_ = PP_MakeUndefined(); 53 return result; 54 } 55 56 } // namespace ppapi 57
