From f1b660997beea54056121873de960559fe1fe3dd Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 28 Oct 2010 14:04:07 +0000
Subject: [PATCH] Added FinishedObjectReadCallback to ObjectWrapper which
 allows wrappers to register their own handling of post processing of objects
 once they have been read.

---
 include/osgDB/ObjectWrapper | 10 ++++++++++
 src/osgDB/ObjectWrapper.cpp |  8 ++++++++
 2 files changed, 18 insertions(+)

diff --git a/include/osgDB/ObjectWrapper b/include/osgDB/ObjectWrapper
index c78c95163..0e8a94b6a 100644
--- a/include/osgDB/ObjectWrapper
+++ b/include/osgDB/ObjectWrapper
@@ -37,10 +37,16 @@ protected:
     std::string _name;
 };
 
+struct FinishedObjectReadCallback : public osg::Referenced
+{
+    virtual void objectRead(osgDB::InputStream& is, osg::Object& obj) = 0;
+};
+
 class OSGDB_EXPORT ObjectWrapper : public osg::Referenced
 {
 public:
     typedef std::vector< osg::ref_ptr<BaseSerializer> > SerializerList;
+    typedef std::vector< osg::ref_ptr<FinishedObjectReadCallback> > FinishedObjectReadCallbackList;
     
     ObjectWrapper( osg::Object* proto, const std::string& name,
                    const std::string& associates );
@@ -50,6 +56,9 @@ public:
     const StringList& getAssociates() const { return _associates; }
     
     void addSerializer( BaseSerializer* s ) { _serializers.push_back(s); }
+    void addFinishedObjectReadCallback ( FinishedObjectReadCallback* forc) { _finishedObjectReadCallbacks.push_back(forc); }
+
+    
     bool read( InputStream&, osg::Object& );
     bool write( OutputStream&, const osg::Object& );
     
@@ -67,6 +76,7 @@ protected:
     StringList _associates;
     SerializerList _serializers;
     SerializerList _backupSerializers;
+    FinishedObjectReadCallbackList _finishedObjectReadCallbacks;
 };
 
 class Registry;
diff --git a/src/osgDB/ObjectWrapper.cpp b/src/osgDB/ObjectWrapper.cpp
index 58766dc28..39cb75096 100644
--- a/src/osgDB/ObjectWrapper.cpp
+++ b/src/osgDB/ObjectWrapper.cpp
@@ -102,6 +102,14 @@ bool ObjectWrapper::read( InputStream& is, osg::Object& obj )
                                << _name << "::" << (*itr)->getName() << std::endl;
         readOK = false;
     }
+
+    for ( FinishedObjectReadCallbackList::iterator itr=_finishedObjectReadCallbacks.begin();
+          itr!=_finishedObjectReadCallbacks.end();
+          ++itr )
+     {
+         (*itr)->objectRead(is, obj);
+     }
+    
     return readOK;
 }