libyui  3.0.10
/usr/src/RPM/BUILD/libyui-3.0.10/src/YPackageSelectorPlugin.h
00001 /*
00002   Copyright (C) 2000-2012 Novell, Inc
00003   This library is free software; you can redistribute it and/or modify
00004   it under the terms of the GNU Lesser General Public License as
00005   published by the Free Software Foundation; either version 2.1 of the
00006   License, or (at your option) version 3.0 of the License. This library
00007   is distributed in the hope that it will be useful, but WITHOUT ANY
00008   WARRANTY; without even the implied warranty of MERCHANTABILITY or 
00009   FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
00010   License for more details. You should have received a copy of the GNU
00011   Lesser General Public License along with this library; if not, write
00012   to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
00013   Floor, Boston, MA 02110-1301 USA
00014 */
00015 
00016 
00017 /*-/
00018 
00019   File:         YPackageSelectorPlugin.h
00020 
00021   Author:       Stefan Hundhammer <sh@suse.de>
00022 
00023 /-*/
00024 
00025 
00026 #ifndef YPackageSelectorPlugin_h
00027 #define YPackageSelectorPlugin_h
00028 
00029 #include "YUIPlugin.h"
00030 
00031 class YWidget;
00032 class YPackageSelector;
00033 
00034 
00035 /**
00036  * Abstract base class for simplified access to UI plugins for package selection.
00037  **/
00038 class YPackageSelectorPlugin: public YUIPlugin
00039 {
00040 protected:
00041     /**
00042      * Constructor: Load the specified plugin library
00043      * from the standard UI plugin directory (/usr/lib/yui/).
00044      **/
00045     YPackageSelectorPlugin( const char * pluginLibBaseName )
00046         : YUIPlugin( pluginLibBaseName ) {}
00047 
00048     /**
00049      * Destructor. Calls dlclose() which will unload the plugin library if it
00050      * is no longer used, i.e. if the reference count dlopen() uses reaches 0.
00051      **/
00052     virtual ~YPackageSelectorPlugin() {}
00053 
00054 public:
00055     /**
00056      * Create a package selector.
00057      * Derived classes need to implement this.
00058      *
00059      * This might return 0 if the plugin lib could not be loaded or if the
00060      * appropriate symbol could not be located in the plugin lib.
00061      **/
00062     virtual YPackageSelector * createPackageSelector( YWidget * parent, long modeFlags = 0 ) = 0;
00063 };
00064 
00065 
00066 #endif // YPackageSelectorPlugin_h
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