1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0""

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 #include <cppluginloader.h>

    18 #include <QString>

    19 #include <QDir>

    20 #include <QFileInfo>

    21 #include <QPluginLoader>

    22 #include <cpplugininterface.h>

    23 #include <cppluginplatinterface.h>

    24 #include "cpbasepath.h"

    25 #include "cputility.h"

    26 #include <cplogger.h>

    27 

    28 

    29 /*!

    30     \class CpPluginLoader

    31     \brief The CpPluginLoader class loads a controlpanel plugin at run-time.

    32  */

    33 

    34 #ifdef WIN32

    35     #define PLUGINFILE_SUFFIX "dll"

    36 #else

    37     #define PLUGINFILE_SUFFIX "qtplugin"

    38 #endif

    39 

    40 template <typename PLUGIN>

    41 static PLUGIN* loadPlugin(const QString &pluginFile)

    42 {

    43     QFileInfo fileInfo(pluginFile);

    44 

    45     if (!fileInfo.isAbsolute()) {

    46         QString fileName = fileInfo.fileName();

    47         if (fileInfo.suffix().compare(PLUGINFILE_SUFFIX,Qt::CaseInsensitive)) {

    48             fileName = fileInfo.baseName() + '.' + PLUGINFILE_SUFFIX;

    49         }

    50 

    51 		QStringList pluginDirs = CpUtility::pluginDirectories();

    52 		foreach(const QString &pluginDir,pluginDirs) {

    53 			fileInfo.setFile(pluginDir + fileName);

    54 			if (fileInfo.exists() && QLibrary::isLibrary(fileInfo.absoluteFilePath())) {

    55 				break;

    56 			}

    57 		}

    58     }

    59 

    60 	QPluginLoader loader(fileInfo.absoluteFilePath());

    61 	PLUGIN *plugin = qobject_cast<PLUGIN*> (loader.instance());

    62 	if (!plugin) {

    63 		loader.unload();

    64 	}

    65     

    66     return plugin;

    67 }

    68 

    69 /*!

    70     load a controlpanel plugin by plugin file.

    71     the plugin file can either absoulte file path or only file name.

    72     acceptable format:

    73         sampleplugin

    74         sampleplugin.qtplugin

    75         sampleplugin.dll

    76         C:/resource/qt/plugins/controlpanel/sampleplugin.qtplugin

    77         C:/resource/qt/plugins/controlpanel/sampleplugin.dll

    78  */

    79 

    80 CpPluginInterface *CpPluginLoader::loadCpPlugin(const QString &pluginFile)

    81 {

    82 	return loadPlugin<CpPluginInterface>(pluginFile);

    83 }

    84 

    85 

    86 /*!

    87     \deprecated  CpPluginPlatInterface *CpPluginLoader::loadPlatCpPlugin(const QString &) is deprecated.

    88     please use CpPluginInterface to implement controlpanel plugin and use CpPluginLoader::loadCpPlugin(const QString &) to load the plugin.

    89  */

    90 

    91 CpPluginPlatInterface *CpPluginLoader::loadPlatCpPlugin(const QString &pluginFile)

    92 {    

    93 	return loadPlugin<CpPluginPlatInterface>(pluginFile);

    94 }

    95 

    96