author | hgs |
Fri, 28 May 2010 13:56:43 +0300 | |
changeset 43 | 99bcbff212ad |
parent 40 | 2c62ef3caffd |
permissions | -rw-r--r-- |
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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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|
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#include "nmuiengineheaders.h" |
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|
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/*! |
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\class NmDataPluginFactory |
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\brief The NmDataPluginFactory class creates NmDataPlugin instance. |
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*/ |
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NmDataPluginFactory *NmDataPluginFactory::mInstance; |
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int NmDataPluginFactory::mReferenceCount; |
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QList<QObject*> *NmDataPluginFactory::mPluginArray; |
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QList<QPluginLoader*> NmDataPluginFactory::mPluginLoaderArray; |
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static const quint32 TESTPLUGINID = 0x20026764; |
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static const int TESTPLUGININDEX = 0; |
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static const int INTERFACEPLUGININDEX = 1; |
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/*! |
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*/ |
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NmDataPluginFactory::NmDataPluginFactory() |
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{ |
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NM_FUNCTION; |
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} |
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/*! |
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*/ |
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NmDataPluginFactory::~NmDataPluginFactory() |
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{ |
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NM_FUNCTION; |
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if (mPluginArray) { |
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qDeleteAll(mPluginArray->begin(), mPluginArray->end()); |
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mPluginArray->clear(); |
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delete mPluginArray; |
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mPluginArray = NULL; |
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} |
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qDeleteAll(mPluginLoaderArray.constBegin(), mPluginLoaderArray.constEnd()); |
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mPluginLoaderArray.clear(); |
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} |
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/*! |
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*/ |
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NmDataPluginFactory *NmDataPluginFactory::instance() |
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{ |
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NM_FUNCTION; |
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if (!mInstance) { |
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mInstance = new NmDataPluginFactory(); |
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} |
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mReferenceCount++; |
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return mInstance; |
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} |
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/*! |
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*/ |
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void NmDataPluginFactory::releaseInstance(NmDataPluginFactory *&instance) |
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NM_FUNCTION; |
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//can't have passed out instances if we don't have any |
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if (mInstance) { |
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if (instance == mInstance) { |
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instance = NULL; |
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mReferenceCount--; |
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} |
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if (0 >= mReferenceCount) { |
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delete mInstance; |
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mInstance = NULL; |
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} |
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} |
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} |
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/*! |
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*/ |
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NmDataPluginInterface *NmDataPluginFactory::interfaceInstance(QObject *plugin) |
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{ |
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NM_FUNCTION; |
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NmDataPluginInterface *pluginInterface = NULL; |
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if (plugin) { |
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pluginInterface= qobject_cast<NmDataPluginInterface*>(plugin); |
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} |
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return pluginInterface; |
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} |
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/*! |
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*/ |
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NmDataPluginInterface *NmDataPluginFactory::interfaceInstance(NmId mailboxId) |
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{ |
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NM_FUNCTION; |
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return interfaceInstance(pluginInstance(mailboxId)); |
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} |
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/*! |
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*/ |
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NmApplicationStateInterface *NmDataPluginFactory::applicationStateInterfaceInstance(QObject *plugin) |
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{ |
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NM_FUNCTION; |
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NmApplicationStateInterface *pluginInterface = NULL; |
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if (plugin) { |
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pluginInterface= qobject_cast<NmApplicationStateInterface*>(plugin); |
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} |
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return pluginInterface; |
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} |
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/*! |
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||
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*/ |
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NmApplicationStateInterface *NmDataPluginFactory::applicationStateInterfaceInstance(NmId mailboxId) |
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{ |
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NM_FUNCTION; |
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return applicationStateInterfaceInstance(pluginInstance(mailboxId)); |
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} |
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/*! |
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*/ |
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QObject *NmDataPluginFactory::pluginInstance(NmId mailboxId) |
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{ |
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NM_FUNCTION; |
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QObject *value(NULL); |
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quint64 tmp = mailboxId.id(); |
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quint32 pluginId = tmp >> 32; |
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if (pluginId == TESTPLUGINID || |
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pluginId == 0 |
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#ifdef USE_POPIMAP_TESTPLUGIN |
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|| pluginId == POPTESTPLUGINID |
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|| pluginId == IMAPTESTPLUGINID |
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#endif |
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) { |
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//test plugin is always the first one |
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value = pluginInstances()->at(TESTPLUGININDEX); |
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} |
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else { |
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return pluginInstances()->at(INTERFACEPLUGININDEX); |
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} |
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return value; |
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} |
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/*! |
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*/ |
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QList<QObject*> *NmDataPluginFactory::pluginInstances() |
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{ |
43 | 177 |
NM_FUNCTION; |
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//if plugins have not been already created, do it now. |
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if (!mPluginArray) { |
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mPluginArray = new QList<QObject*>(); |
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} |
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if (mPluginArray->count() == 0) { |
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//first, create testPlugin |
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#ifdef Q_OS_SYMBIAN |
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const QString KTestPluginName = "nmtestplugin.qtplugin"; |
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const QString KPluginDirectory = "c:\\resource\\plugins"; |
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QDir pluginDir = QDir(KPluginDirectory); |
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#else |
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const QString KTestPluginName = "nmtestplugin.dll"; |
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QDir pluginDir = QDir(QApplication::applicationDirPath()); |
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#endif |
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QObject *testPlugin = loadPlugin(pluginDir, KTestPluginName); |
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|
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mPluginArray->append(testPlugin); |
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|
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//then framework data plugin |
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#ifdef Q_OS_SYMBIAN |
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const QString KFrameworkPluginName = "nmframeworkadapter.qtplugin"; |
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QObject *frameworkPlugin = loadPlugin(pluginDir, KFrameworkPluginName); |
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mPluginArray->append(frameworkPlugin); |
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|
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#endif |
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} |
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return mPluginArray; |
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} |
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|
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/*! |
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|
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*/ |
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QObject *NmDataPluginFactory::loadPlugin( |
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const QDir &pluginDir, |
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const QString &pluginName ) |
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{ |
43 | 215 |
NM_FUNCTION; |
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||
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/*! |
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This creates plugin entity. |
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*/ |
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QPluginLoader *loader = new QPluginLoader(pluginDir.absoluteFilePath(pluginName)); |
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|
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QObject *pluginInstance = loader->instance(); |
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|
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if (pluginInstance) { |
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// Store QPluginLoader instances to keep plugins alive. |
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// If QPluginLoader instance for a plugin is deleted, then there |
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// is a risk that some component outside will load and unload |
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// plugin, which will lead into situation where plugin is deleted. |
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// This means that instance in mPluginArray will be invalid. |
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mPluginLoaderArray.append(loader); |
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} else { |
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// We don't have proper plugin instance, so we don't need it's loader. |
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delete loader; |
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loader = NULL; |
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} |
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return pluginInstance; |
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} |