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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/shared_impl/scoped_pp_var.h"
#include "ppapi/shared_impl/ppapi_globals.h"
#include "ppapi/shared_impl/var_tracker.h"
namespace ppapi {
namespace {
void CallAddRef(const PP_Var& v) {
PpapiGlobals::Get()->GetVarTracker()->AddRefVar(v);
}
void CallRelease(const PP_Var& v) {
PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(v);
}
} // namespace
ScopedPPVar::ScopedPPVar() : var_(PP_MakeUndefined()) {}
ScopedPPVar::ScopedPPVar(const PP_Var& v) : var_(v) { CallAddRef(var_); }
ScopedPPVar::ScopedPPVar(const PassRef&, const PP_Var& v) : var_(v) {}
ScopedPPVar::ScopedPPVar(const ScopedPPVar& other) : var_(other.var_) {
CallAddRef(var_);
}
ScopedPPVar::~ScopedPPVar() { CallRelease(var_); }
ScopedPPVar& ScopedPPVar::operator=(const PP_Var& v) {
CallAddRef(v);
CallRelease(var_);
var_ = v;
return *this;
}
PP_Var ScopedPPVar::Release() {
PP_Var result = var_;
var_ = PP_MakeUndefined();
return result;
}
} // namespace ppapi
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