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diff --git a/src/AtomHandler.hh b/src/AtomHandler.hh
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+// AtomHandler for fluxbox
+// Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
+//                    2003 Simon Bowden    (rathnor at users.sourceforge.net)
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+// $Id: AtomHandler.hh,v 1.12 2003/07/28 15:06:33 rathnor Exp $
+
+#ifndef ATOMHANDLER_HH
+#define ATOMHANDLER_HH
+
+#include <X11/Xlib.h>
+
+class FluxboxWindow;
+class WinClient;
+class BScreen;
+
+class AtomHandler {
+public:
+    virtual ~AtomHandler() { }
+
+    virtual void initForScreen(BScreen &screen) = 0;
+    virtual void setupFrame(FluxboxWindow &win) = 0;
+    virtual void setupClient(WinClient &winclient) = 0;
+
+    virtual void updateClientList(BScreen &screen) = 0;
+    virtual void updateWorkspaceNames(BScreen &screen) = 0;
+    virtual void updateCurrentWorkspace(BScreen &screen) = 0;
+    virtual void updateWorkspaceCount(BScreen &screen) = 0;
+
+    virtual void updateFrameClose(FluxboxWindow &win) = 0;
+    virtual void updateClientClose(WinClient &winclient) = 0;
+    virtual void updateWorkspace(FluxboxWindow &win) = 0;
+    virtual void updateState(FluxboxWindow &win) = 0;
+    virtual void updateHints(FluxboxWindow &win) = 0;
+    virtual void updateLayer(FluxboxWindow &win) = 0;
+
+    virtual bool checkClientMessage(const XClientMessageEvent &ce, 
+                                    BScreen * screen, WinClient * const winclient) = 0;
+
+    virtual bool propertyNotify(WinClient &winclient, Atom the_property) = 0;
+
+    /// should this object be updated or not?
+    bool update() const { return m_update; }
+protected:
+    void disableUpdate() { m_update = false; }
+    void enableUpdate() { m_update = true; }    
+private:
+    bool m_update; ///< do we get update or not
+};
+
+#endif // ATOMHANDLER_HH