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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-06 15:57:02 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-06 15:57:02 -0600
commit2c2fbd828ca474671bb9e03681b30b115d8d6035 (patch)
tree526a9da418f8d3d7ccf515c37048d3dfc80f2843 /libkdepim/pluginloader.h
parentf0610eece3676b6fe99f42cf4ef2b19a39a5c4e8 (diff)
downloadtdepim-2c2fbd828ca474671bb9e03681b30b115d8d6035.tar.gz
tdepim-2c2fbd828ca474671bb9e03681b30b115d8d6035.zip
Actually move the kde files that were renamed in the last commit
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diff --git a/libkdepim/pluginloader.h b/libkdepim/pluginloader.h
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-/* -*- c++ -*-
- This file is part of libtdepim.
-
- Copyright (c) 2002,2004 Marc Mutz <mutz@kde.org>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-*/
-
-#ifndef __KPIM_SHARED_PLUGINLOADER_H__
-#define __KPIM_SHARED_PLUGINLOADER_H__
-
-#include <pluginloaderbase.h>
-
-namespace KPIM {
-
- /**
- * @short A generic plugin loader for when KPart::Plugin is overkill
- * @author Marc Mutz <mutz@kde.org> based on KABC's FormatFactory
- *
- * This is a generic plugin loader / factory for small plugins that
- * don't want to be TQObjects.
- *
- * @section Usage
- *
- * A PluginLoader takes two template arguments, <code>T</code> and
- * <code>T_config</code>:
- *
- * <dl>
- * <dt>T</dt><dd>The type of object to return</dd>
- * <dt>T_config::mainfunc</dt><dd>The suffix of the factory function to call
- * in the library to obtain a new object of type <code>T</code>.
- * The string passed to <code>KLibrary::symbol()</code> is
- * <code>libName_mainfunc</code>.</dd>
- * <dt>T_config::path</dt><dd>The search pattern for <tt>.desktop</tt> files
- * containing the plugin descriptions. This is the string passed as
- * the @p filter argument to
- * <code>KStandardDirs::findAllResources</code>.</dd>
- * </dl>
- *
- * The last two parameters being strings, they are passed via an
- * encapsulating class, of which <code>mainfunc</code> and
- * <code>path</code> are public static members:
- *
- * <pre>
- * struct MyObjectPluginLoaderConfig {
- * static const char * const mainfunc;
- * static const char * const path;
- * };
- * const char * const MyObjectPluginLoaderConfig::mainfunc = "myapp_create_myobject";
- * const char * const MyObjectPluginLoaderConfig::path = "myapp/plugins/ *.desktop";
- * </pre>
- *
- * You would then use a <tt>typedef</tt> to create a less unwieldy
- * name for your plugin loader:
- *
- * <pre>
- * typedef KPIM::PluginLoader< MyObject, MyObjectPluginLoaderConfig > MyObjectPluginLoader;
- * </pre>
- *
- * All of this is what the
- * <code>KPIM_DEFINE_PLUGIN_LOADER(pluginloadername,type,mainfunc,path)</code> macro
- * achieves.
- *
- **/
- template< typename T, typename T_config >
- class KDE_EXPORT PluginLoader : public PluginLoaderBase {
- protected:
- PluginLoader() : PluginLoaderBase() {}
-
- private:
- static PluginLoader<T,T_config> * mSelf;
-
- public:
- virtual ~PluginLoader() { mSelf = 0; }
-
- /** Returns the single instance of this loader. */
- static PluginLoader<T,T_config> * instance() {
- if ( !mSelf ) {
- mSelf = new PluginLoader<T,T_config>();
- mSelf->scan();
- }
- return mSelf;
- }
-
- /** Rescans the plugin directory to find any newly installed
- plugins.
- **/
- virtual void scan() {
- doScan( T_config::path );
- }
-
- /** Returns a pointer to a plugin object (of type @p T) or a null
- pointer if the type wasn't found. You can extend this method
- for when you want to handle builtin types */
- virtual T * createForName( const TQString & type ) const {
- void * main_func = mainFunc( type, T_config::mainfunc );
- if ( !main_func ) return 0;
-
- // cast to a pointer to a function returning T*, call it and
- // return the result; don't you love C? ;-)
- return ((T* (*)())( main_func ))();
- }
- };
-
- template< typename T, typename T_config >
- PluginLoader<T,T_config> * PluginLoader<T,T_config>::mSelf = 0;
-
-}
-
-#define KPIM_DEFINE_PLUGIN_LOADER( pl, t, mf, p ) \
- namespace { /* don't pollute namespaces */ \
- struct KDE_EXPORT pl##Config { \
- static const char * const mainfunc; \
- static const char * const path; \
- }; \
- const char * const pl##Config::mainfunc = mf; \
- const char * const pl##Config::path = p; \
- } \
- typedef KPIM::PluginLoader< t, pl##Config > pl; \
-
-
-#endif // __KPIM_SHARED_PLUGINLOADER_H__