/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0""
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
#include <cppluginloader.h>
#include <QString>
#include <QDir>
#include <QFileInfo>
#include <QPluginLoader>
#include <cpplugininterface.h>
#include <cplauncherinterface.h>
#include "cputility.h"
#include <cplogger.h>
/*!
\class CpPluginLoader
\brief The CpPluginLoader class loads a controlpanel plugin at run-time.
*/
#ifdef WIN32
#define PLUGINFILE_SUFFIX "dll"
#else
#define PLUGINFILE_SUFFIX "qtplugin"
#endif
/*
* Load the root component object of the plugin from @pluginFile
* if @pluginFile is an absoulte file path, load it directly, if is a
* file name, load the root component from path /resource/qt/plugins/controlpanel
*/
static QObject* loadPluginInterface(const QString &pluginFile)
{
CPPERF_LOG( QLatin1String("Loading plugin: ") + pluginFile );
QFileInfo fileInfo(pluginFile);
// scan the plugin file from path /resource/qt/plugins/controlpanel
if (!fileInfo.isAbsolute()) {
QString fileName = fileInfo.fileName();
if (fileInfo.suffix().compare(PLUGINFILE_SUFFIX,Qt::CaseInsensitive)) {
fileName = fileInfo.baseName() + '.' + PLUGINFILE_SUFFIX;
}
QStringList pluginDirs = CpUtility::pluginDirectories();
foreach(const QString &pluginDir,pluginDirs) {
fileInfo.setFile(pluginDir + fileName);
// found a valid plugin file.
if (fileInfo.exists() && QLibrary::isLibrary(fileInfo.absoluteFilePath())) {
CPPERF_LOG( QLatin1String("Valid plugin stub found: ") + fileInfo.absoluteFilePath() );
break;
}
}
}
QPluginLoader loader(fileInfo.absoluteFilePath());
QObject *plugin = loader.instance();
if (!plugin) {
loader.unload();
}
CPPERF_LOG( QLatin1String("Load plugin ") + (plugin ? QLatin1String("succeed.") : QLatin1String("failed.")) );
return plugin;
}
/*!
load a CpPluginInterface by a controlpanel plugin file.
the plugin file can either absoulte file path or only file name.
acceptable format:
sampleplugin
sampleplugin.qtplugin
sampleplugin.dll
C:/resource/qt/plugins/controlpanel/sampleplugin.qtplugin
C:/resource/qt/plugins/controlpanel/sampleplugin.dll
*/
CpPluginInterface *CpPluginLoader::loadCpPluginInterface(const QString &pluginFile)
{
return qobject_cast<CpPluginInterface*>(::loadPluginInterface(pluginFile));
}
/*!
load a CpLauncherInterface by a controlpanel plugin file.
the plugin file can either absoulte file path or only file name.
acceptable format:
sampleplugin
sampleplugin.qtplugin
sampleplugin.dll
C:/resource/qt/plugins/controlpanel/sampleplugin.qtplugin
C:/resource/qt/plugins/controlpanel/sampleplugin.dll
*/
CpLauncherInterface *CpPluginLoader::loadCpLauncherInterface(const QString &pluginFile)
{
return qobject_cast<CpLauncherInterface*>(::loadPluginInterface(pluginFile));
}