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