--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit2/WebProcess/InjectedBundle/API/c/WKBundleAPICast.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WKBundleAPICast_h
+#define WKBundleAPICast_h
+
+#include "WKBundleBase.h"
+
+namespace WebKit {
+
+class InjectedBundle;
+class WebFrame;
+class WebPage;
+
+template<typename APIType> struct BundleAPITypeInfo { };
+template<> struct BundleAPITypeInfo<WKBundlePageRef>            { typedef WebPage* ImplType; };
+template<> struct BundleAPITypeInfo<WKBundleFrameRef>           { typedef WebFrame* ImplType; };
+template<> struct BundleAPITypeInfo<WKBundleRef>                { typedef InjectedBundle* ImplType; };
+
+template<typename ImplType> struct BundleImplTypeInfo { };
+template<> struct BundleImplTypeInfo<WebPage*>                  { typedef WKBundlePageRef APIType; };
+template<> struct BundleImplTypeInfo<WebFrame*>                 { typedef WKBundleFrameRef APIType; };
+template<> struct BundleImplTypeInfo<InjectedBundle*>           { typedef WKBundleRef APIType; };
+
+} // namespace WebKit
+
+/* Opaque typing convenience methods */
+
+template<typename T>
+inline typename WebKit::BundleAPITypeInfo<T>::ImplType toWK(T t)
+{
+    return reinterpret_cast<typename WebKit::BundleAPITypeInfo<T>::ImplType>(t);
+}
+
+template<typename T>
+inline typename WebKit::BundleImplTypeInfo<T>::APIType toRef(T t)
+{
+    return reinterpret_cast<typename WebKit::BundleImplTypeInfo<T>::APIType>(t);
+}
+
+#endif // WKBundleAPICast_h