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diff --git a/sd/source/ui/framework/factories/ChildWindowPane.hxx b/sd/source/ui/framework/factories/ChildWindowPane.hxx
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+/* -*- 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 SD_FRAMEWORK_CHILD_WINDOW_PANE_HXX
+#define SD_FRAMEWORK_CHILD_WINDOW_PANE_HXX
+
+#include "framework/Pane.hxx"
+#include "PaneShells.hxx"
+
+#include <com/sun/star/lang/XEventListener.hpp>
+#include <com/sun/star/drawing/framework/XResourceId.hpp>
+#include <com/sun/star/awt/XWindow.hpp>
+#include <cppuhelper/implbase1.hxx>
+#include <comphelper/uno3.hxx>
+#include <tools/link.hxx>
+#include <memory>
+
+namespace {
+
+typedef ::cppu::ImplInheritanceHelper1 <
+    ::sd::framework::Pane,
+    ::com::sun::star::lang::XEventListener
+    > ChildWindowPaneInterfaceBase;
+
+} // end of anonymous namespace.
+
+
+class SfxViewFrame;
+
+namespace sd { class ViewShellBase; }
+
+namespace sd { namespace framework {
+
+/** The ChildWindowPane listens to the child window and disposes itself when
+    the child window becomes inaccessible.  This happens for instance when a
+    document is made read-only and the task pane is turned off.
+*/
+class ChildWindowPane
+    : public ChildWindowPaneInterfaceBase
+{
+public:
+    ChildWindowPane (
+        const ::com::sun::star::uno::Reference<
+            ::com::sun::star::drawing::framework::XResourceId>& rxPaneId,
+        USHORT nChildWindowId,
+        ViewShellBase& rViewShellBase,
+        ::std::auto_ptr<SfxShell> pShell);
+    virtual ~ChildWindowPane (void) throw();
+
+    /** Hide the pane.  To make the pane visible again, call GetWindow().
+    */
+    void Hide (void);
+
+    virtual void SAL_CALL disposing (void);
+
+    /** This returns the content window when the child window is already
+        visible.  Otherwise <NULL/> is returned.  In that case a later call
+        may return the requested window (making a child window visible is an
+        asynchronous process.)
+        Note that GetWindow() may return different Window pointers when
+        Hide() is called in between.
+    */
+    virtual ::Window* GetWindow (void);
+
+    /** The local getWindow() first calls GetWindow() to provide a valid
+        window pointer before forwarding the call to the base class.
+    */
+    virtual ::com::sun::star::uno::Reference<com::sun::star::awt::XWindow>
+        SAL_CALL getWindow (void)
+        throw (::com::sun::star::uno::RuntimeException);
+
+    DECLARE_XINTERFACE()
+    DECLARE_XTYPEPROVIDER()
+
+
+    // XEventListener
+
+    virtual void SAL_CALL disposing(
+        const com::sun::star::lang::EventObject& rEvent)
+        throw (com::sun::star::uno::RuntimeException);
+
+private:
+    ::com::sun::star::uno::Reference<com::sun::star::drawing::framework::XResourceId> mxPaneId;
+    USHORT mnChildWindowId;
+    ViewShellBase& mrViewShellBase;
+    ::std::auto_ptr<SfxShell> mpShell;
+    
+    /** This flag is set when the pane shell has been activated at least
+        once.  It is used to optimize the start-up performance (by not
+        showing the window too early) and by not delaying its creation at
+        later times.
+    */
+    bool mbHasBeenActivated;
+};
+
+} } // end of namespace sd::framework
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */