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/proxy/host_var_serialization_rules.h" 6 7#include "ppapi/shared_impl/ppapi_globals.h" 8#include "ppapi/shared_impl/var_tracker.h" 9 10using ppapi::PpapiGlobals; 11using ppapi::VarTracker; 12 13namespace ppapi { 14namespace proxy { 15 16HostVarSerializationRules::HostVarSerializationRules() { 17} 18 19HostVarSerializationRules::~HostVarSerializationRules() { 20} 21 22PP_Var HostVarSerializationRules::SendCallerOwned(const PP_Var& var) { 23 return var; 24} 25 26PP_Var HostVarSerializationRules::BeginReceiveCallerOwned(const PP_Var& var) { 27 return var; 28} 29 30void HostVarSerializationRules::EndReceiveCallerOwned(const PP_Var& var) { 31 if (var.type != PP_VARTYPE_OBJECT && var.type >= PP_VARTYPE_STRING) { 32 // Release our reference to the local Var. 33 PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(var); 34 } 35} 36 37PP_Var HostVarSerializationRules::ReceivePassRef(const PP_Var& var) { 38 // See PluginVarSerialization::BeginSendPassRef for an example. 39 if (var.type == PP_VARTYPE_OBJECT) 40 PpapiGlobals::Get()->GetVarTracker()->AddRefVar(var); 41 return var; 42} 43 44PP_Var HostVarSerializationRules::BeginSendPassRef(const PP_Var& var) { 45 return var; 46} 47 48void HostVarSerializationRules::EndSendPassRef(const PP_Var& /* var */) { 49 // See PluginVarSerialization::ReceivePassRef for an example. We don't need 50 // to do anything here. 51} 52 53void HostVarSerializationRules::ReleaseObjectRef(const PP_Var& var) { 54 PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(var); 55} 56 57} // namespace proxy 58} // namespace ppapi 59