1 files changed, 86 insertions, 0 deletions
diff --git a/comphelper/inc/comphelper/seekableinput.hxx b/comphelper/inc/comphelper/seekableinput.hxx
new file mode 100644
index 000000000000..455ed7bb183c
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+++ b/comphelper/inc/comphelper/seekableinput.hxx
@@ -0,0 +1,86 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef _COMPHELPER_STREAM_SEEKABLEINPUT_HXX_
+#define _COMPHELPER_STREAM_SEEKABLEINPUT_HXX_
+
+#include <osl/mutex.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/io/XSeekable.hpp>
+#include <cppuhelper/implbase2.hxx>
+#include "comphelper/comphelperdllapi.h"
+
+namespace comphelper
+{
+
+class COMPHELPER_DLLPUBLIC OSeekableInputWrapper : public ::cppu::WeakImplHelper2< ::com::sun::star::io::XInputStream,
+                                                                ::com::sun::star::io::XSeekable >
+{
+    ::osl::Mutex    m_aMutex;
+
+    ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xFactory;
+
+    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > m_xOriginalStream;
+
+    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > m_xCopyInput;
+    ::com::sun::star::uno::Reference< ::com::sun::star::io::XSeekable > m_xCopySeek;
+
+private:
+    COMPHELPER_DLLPRIVATE void PrepareCopy_Impl();
+
+public:
+    OSeekableInputWrapper(
+                const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xInStream,
+                const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory );
+
+    virtual ~OSeekableInputWrapper();
+
+    static ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > CheckSeekableCanWrap(
+                        const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xInStream,
+                        const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory );
+
+// XInputStream
+    virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
+    virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
+    virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
+    virtual sal_Int32 SAL_CALL available() throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
+    virtual void SAL_CALL closeInput() throw (::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
+
+// XSeekable
+    virtual void SAL_CALL seek( sal_Int64 location ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
+    virtual sal_Int64 SAL_CALL getPosition() throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
+    virtual sal_Int64 SAL_CALL getLength() throw (::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
+
+};
+
+}   // namespace comphelper
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */