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 10 using ppapi::PpapiGlobals; 11 using ppapi::VarTracker; 12 13 namespace ppapi { 14 namespace proxy { 15 16 HostVarSerializationRules::HostVarSerializationRules() { 17 } 18 19 HostVarSerializationRules::~HostVarSerializationRules() { 20 } 21 22 PP_Var HostVarSerializationRules::SendCallerOwned(const PP_Var& var) { 23 return var; 24 } 25 26 PP_Var HostVarSerializationRules::BeginReceiveCallerOwned(const PP_Var& var) { 27 return var; 28 } 29 30 void 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 37 PP_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 44 PP_Var HostVarSerializationRules::BeginSendPassRef(const PP_Var& var) { 45 return var; 46 } 47 48 void HostVarSerializationRules::EndSendPassRef(const PP_Var& /* var */) { 49 // See PluginVarSerialization::ReceivePassRef for an example. We don't need 50 // to do anything here. 51 } 52 53 void HostVarSerializationRules::ReleaseObjectRef(const PP_Var& var) { 54 PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(var); 55 } 56 57 } // namespace proxy 58 } // namespace ppapi 59
