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diff --git a/sd/source/ui/toolpanel/TaskPaneShellManager.hxx b/sd/source/ui/toolpanel/TaskPaneShellManager.hxx
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+/*************************************************************************
+ *
+ * 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_TOOLPANEL_TASK_PANE_SHELL_MANAGER_HXX
+#define SD_TOOLPANEL_TASK_PANE_SHELL_MANAGER_HXX
+
+#include "ShellFactory.hxx"
+#include "ViewShellManager.hxx"
+#include <map>
+
+class FrameView;
+class SfxShell;
+class VclWindowEvent;
+class Window;
+
+namespace sd {
+class ViewShell;
+}
+
+namespace sd { namespace toolpanel {
+
+/** The TaskPaneShellManager implements the ViewShellManager::ShellFactory
+    interface.  However, it does not create or delete shells.  It only
+    gives the ViewShellManager access to the sub shells of the
+    ToolPanelViewShell.  Life time control of the sub shells is managed by
+    the sub shells themselves.
+*/
+class TaskPaneShellManager
+    : public ShellFactory<SfxShell>
+{
+public:
+    /** Create a shell manager that manages the stacked shells for the given
+        view shell.  It works together with the given view shell manager.
+    */
+    TaskPaneShellManager (
+        const ::boost::shared_ptr<ViewShellManager>& rpViewShellManager,
+        const ViewShell& rViewShell);
+    ~TaskPaneShellManager (void);
+
+    /** Return the requested sub shell.
+        @param nId
+            The id of the requested sub shell.
+        @return
+            When there is no sub shell currently registered under the given
+            id then NULL is returned.
+    */
+    virtual SfxShell* CreateShell (
+        ShellId nId,
+        ::Window* pParentWindow,
+        FrameView* pFrameView = NULL);
+
+    virtual void ReleaseShell (SfxShell* pShell);
+
+    /** Add a sub shell to the set of sub shells managed by the
+        TaskPaneShellManager.  Only shells added by this method are returned
+        by CreateShell().
+    */
+    void AddSubShell (ShellId nId, SfxShell* pShell, ::Window* pWindow);
+
+    /** Remove the given shell from the set of sub shells managed by the
+        TaskPaneShellManager.  Following calls to CreateShell() will return
+        NULL when this shell is requested.
+    */
+    void RemoveSubShell (const SfxShell* pShell);
+    /** removes the shell given by its ID from the set of sub shells managed by the
+        TaskPaneShellManager. Subsequent calls to CreateShell() will return
+        NULL when this shell is requested.
+    */
+    void RemoveSubShell (const ShellId i_nShellId);
+
+    /** Move the given sub-shell to the top of the local shell stack.
+        Furthermore move the view shell whose sub-shells this class manages
+        to the top of the global shell stack.
+    */
+    void MoveToTop (SfxShell* pShell);
+
+    DECL_LINK(WindowCallback,VclWindowEvent*);
+
+private:
+    ::boost::shared_ptr<ViewShellManager> mpViewShellManager;
+
+    /// The view shell whose sub-shells this class manages.
+    const ViewShell& mrViewShell;
+
+    class ShellDescriptor { public:
+        SfxShell* mpShell;
+        ::Window* mpWindow;
+        ShellDescriptor(void) : mpShell(NULL),mpWindow(NULL){}
+        ShellDescriptor(SfxShell*pShell,::Window*pWindow) : mpShell(pShell),mpWindow(pWindow){}
+    };
+    typedef ::std::map<ShellId,ShellDescriptor> SubShells;
+    SubShells maSubShells;
+};
+
+} } // end of namespace ::sd::toolpanel
+
+#endif