From ce4a32fe52ef09d8f5ff1dd22c001110902b60a2 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 khtml/dom/dom_misc.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 khtml/dom/dom_misc.h

(limited to 'khtml/dom/dom_misc.h')

diff --git a/khtml/dom/dom_misc.h b/khtml/dom/dom_misc.h
new file mode 100644
index 000000000..52c796305
--- /dev/null
+++ b/khtml/dom/dom_misc.h
@@ -0,0 +1,60 @@
+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * (C) 1999 Lars Knoll (knoll@kde.org)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+#ifndef _DOM_RefCountImpl_h_
+#define _DOM_RefCountImpl_h_
+
+#include <kdelibs_export.h>
+
+namespace DOM {
+
+/*
+ * This implements the reference counting scheme used for all internal
+ * DOM objects.
+ *
+ * Other objects should overload deleteMe() to fit their needs. The default
+ * implementation deletes the object if the ref count drops to 0.
+ */
+class KHTML_EXPORT DomShared
+{
+public:
+  DomShared() : _ref( 0 ) {}
+  virtual ~DomShared();
+
+  /* Overload this function if you want a different deletion behavior
+   */
+  virtual bool deleteMe();
+
+  void ref() { _ref++; }
+  void deref() { if(_ref) _ref--; if(!_ref && deleteMe()) delete this; }
+  bool hasOneRef() const { return _ref == 1; }
+  unsigned int refCount() const { return _ref; }
+
+protected:
+    // the number of DOMObjects referencing this Node
+    // An implementation object will delete itself, if it has
+    // no DOMObject referencing it, and deleteMe() returns true.
+    unsigned int _ref;
+};
+
+} // namespace
+
+#endif
-- 
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