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/** \file PluginLoader.h
\brief Define the plugin loader
\author alpha_one_x86
\licence GPL3, see the file COPYING */
#include "PluginLoader.h"
#include "LanguagesManager.h"
PluginLoader::PluginLoader(OptionDialog *optionDialog)
{
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("start"));
this->optionDialog=optionDialog;
//load the overall instance
//load the plugin
PluginsManager::pluginsManager->lockPluginListEdition();
connect(this,&PluginLoader::previouslyPluginAdded, this,&PluginLoader::onePluginAdded,Qt::QueuedConnection);
connect(PluginsManager::pluginsManager,&PluginsManager::onePluginAdded, this,&PluginLoader::onePluginAdded,Qt::QueuedConnection);
#ifndef ULTRACOPIER_PLUGIN_ALL_IN_ONE
connect(PluginsManager::pluginsManager,&PluginsManager::onePluginWillBeRemoved,this,&PluginLoader::onePluginWillBeRemoved,Qt::DirectConnection);
#endif
connect(PluginsManager::pluginsManager,&PluginsManager::pluginListingIsfinish, this,&PluginLoader::allPluginIsloaded,Qt::QueuedConnection);
QList<PluginsAvailable> list=PluginsManager::pluginsManager->getPluginsByCategory(PluginType_PluginLoader);
foreach(PluginsAvailable currentPlugin,list)
emit previouslyPluginAdded(currentPlugin);
PluginsManager::pluginsManager->unlockPluginListEdition();
needEnable=false;
last_state=Ultracopier::Uncaught;
last_have_plugin=false;
last_inWaitOfReply=false;
stopIt=false;
}
PluginLoader::~PluginLoader()
{
stopIt=true;
#ifndef ULTRACOPIER_PLUGIN_ALL_IN_ONE_DIRECT
{
/* why it crash here? Only under Window with PluginLoader/catchcopy-v0002
int index=0;
while(index<pluginList.size())
{
pluginList.at(index).pluginLoaderInterface->setEnabled(false);
if(pluginList.at(index).pluginLoader!=NULL)
{
if(!pluginList.at(index).pluginLoader->isLoaded() || pluginList.at(index).pluginLoader->unload())
{
delete pluginList.at(index).options;
pluginList.removeAt(index);
}
else
index++;
}
else
index++;
}//*/
}
#endif
}
void PluginLoader::resendState()
{
if(stopIt)
return;
sendState(true);
}
void PluginLoader::onePluginAdded(const PluginsAvailable &plugin)
{
#ifndef ULTRACOPIER_PLUGIN_ALL_IN_ONE_DIRECT
if(stopIt)
return;
if(plugin.category!=PluginType_PluginLoader)
return;
LocalPlugin newEntry;
QString pluginPath=plugin.path+PluginsManager::getResolvedPluginName(QStringLiteral("pluginLoader"));
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("try load: ")+pluginPath);
#ifdef ULTRACOPIER_PLUGIN_ALL_IN_ONE
PluginInterface_PluginLoader *pluginLoaderInstance;
QObjectList objectList=QPluginLoader::staticInstances();
int index=0;
QObject *pluginObject;
while(index<objectList.size())
{
pluginObject=objectList.at(index);
pluginLoaderInstance = qobject_cast<PluginInterface_PluginLoader *>(pluginObject);
if(pluginLoaderInstance!=NULL)
break;
index++;
}
if(index==objectList.size())
{
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Warning,QStringLiteral("static listener not found"));
return;
}
newEntry.pluginLoader=NULL;
#else
QPluginLoader *pluginLoader= new QPluginLoader(pluginPath);
QObject *pluginInstance = pluginLoader->instance();
if(!pluginInstance)
{
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Warning,QStringLiteral("unable to load the plugin: ")+pluginLoader->errorString());
return;
}
PluginInterface_PluginLoader *pluginLoaderInstance = qobject_cast<PluginInterface_PluginLoader *>(pluginInstance);
if(!pluginLoaderInstance)
{
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Warning,QStringLiteral("unable to cast the plugin: ")+pluginLoader->errorString());
return;
}
newEntry.pluginLoader = pluginLoader;
//check if found
int index=0;
const int &loop_size=pluginList.size();
while(index<loop_size)
{
if(pluginList.at(index).pluginLoaderInterface==pluginLoaderInstance)
{
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Warning,QStringLiteral("Plugin already found"));
pluginLoader->unload();
return;
}
index++;
}
#endif
#ifdef ULTRACOPIER_DEBUG
connect(pluginLoaderInstance,&PluginInterface_PluginLoader::debugInformation,this,&PluginLoader::debugInformation,Qt::DirectConnection);
#endif // ULTRACOPIER_DEBUG
newEntry.options=new LocalPluginOptions(QStringLiteral("PluginLoader-")+plugin.name);
newEntry.pluginLoaderInterface = pluginLoaderInstance;
newEntry.path = plugin.path;
newEntry.state = Ultracopier::Uncaught;
newEntry.inWaitOfReply = false;
pluginList << newEntry;
pluginLoaderInstance->setResources(newEntry.options,plugin.writablePath,plugin.path,ULTRACOPIER_VERSION_PORTABLE_BOOL);
optionDialog->addPluginOptionWidget(PluginType_PluginLoader,plugin.name,newEntry.pluginLoaderInterface->options());
connect(pluginList.last().pluginLoaderInterface,&PluginInterface_PluginLoader::newState,this,&PluginLoader::newState,Qt::DirectConnection);
connect(LanguagesManager::languagesManager,&LanguagesManager::newLanguageLoaded,newEntry.pluginLoaderInterface,&PluginInterface_PluginLoader::newLanguageLoaded,Qt::DirectConnection);
if(needEnable)
{
pluginList.last().inWaitOfReply=true;
newEntry.pluginLoaderInterface->setEnabled(needEnable);
}
#else
Q_UNUSED(plugin);
#endif
}
#ifndef ULTRACOPIER_PLUGIN_ALL_IN_ONE
void PluginLoader::onePluginWillBeRemoved(const PluginsAvailable &plugin)
{
if(stopIt)
return;
if(plugin.category!=PluginType_PluginLoader)
return;
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("start"));
int index=0;
const int &loop_size=pluginList.size();
while(index<loop_size)
{
if(plugin.path==pluginList.at(index).path)
{
pluginList.at(index).pluginLoaderInterface->setEnabled(false);
if(pluginList.at(index).pluginLoader!=NULL)
{
if(!pluginList.at(index).pluginLoader->isLoaded() || pluginList.at(index).pluginLoader->unload())
{
delete pluginList.at(index).options;
pluginList.removeAt(index);
}
}
sendState();
return;
}
index++;
}
}
#endif
void PluginLoader::load()
{
if(stopIt)
return;
needEnable=true;
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("start"));
int index=0;
while(index<pluginList.size())
{
pluginList[index].inWaitOfReply=true;
pluginList.at(index).pluginLoaderInterface->setEnabled(true);
index++;
}
sendState(true);
}
void PluginLoader::unload()
{
if(stopIt)
return;
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("start"));
needEnable=false;
int index=0;
while(index<pluginList.size())
{
pluginList[index].inWaitOfReply=true;
pluginList.at(index).pluginLoaderInterface->setEnabled(false);
index++;
}
sendState(true);
}
#ifdef ULTRACOPIER_DEBUG
void PluginLoader::debugInformation(const Ultracopier::DebugLevel &level,const QString& fonction,const QString& text,const QString& file,const int& ligne)
{
DebugEngine::addDebugInformationStatic(level,fonction,text,file,ligne,QStringLiteral("Plugin loader plugin"));
}
#endif // ULTRACOPIER_DEBUG
void PluginLoader::allPluginIsloaded()
{
if(stopIt)
return;
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("with value: ")+QString::number(pluginList.size()>0));
sendState(true);
}
void PluginLoader::sendState(bool force)
{
if(stopIt)
return;
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("start, pluginList.size(): %1, force: %2").arg(pluginList.size()).arg(force));
Ultracopier::CatchState current_state=Ultracopier::Uncaught;
bool found_not_listen=false,found_listen=false,found_inWaitOfReply=false;
int index=0;
while(index<pluginList.size())
{
if(current_state==Ultracopier::Uncaught)
{
if(pluginList.at(index).state==Ultracopier::Semiuncaught)
current_state=Ultracopier::Semiuncaught;
else if(pluginList.at(index).state==Ultracopier::Uncaught)
found_not_listen=true;
else if(pluginList.at(index).state==Ultracopier::Caught)
found_listen=true;
}
if(pluginList.at(index).inWaitOfReply)
found_inWaitOfReply=true;
index++;
}
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("current_state: %1").arg(current_state));
if(current_state==Ultracopier::Uncaught)
{
if(!found_not_listen && !found_listen)
{
if(needEnable)
current_state=Ultracopier::Caught;
}
else if(found_not_listen && !found_listen)
current_state=Ultracopier::Uncaught;
else if(!found_not_listen && found_listen)
current_state=Ultracopier::Caught;
else
current_state=Ultracopier::Semiuncaught;
}
bool have_plugin=pluginList.size()>0;
if(force || current_state!=last_state || have_plugin!=last_have_plugin || found_inWaitOfReply!=last_inWaitOfReply)
{
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("send pluginLoaderReady(%1,%2,%3)").arg(current_state).arg(have_plugin).arg(found_inWaitOfReply));
emit pluginLoaderReady(current_state,have_plugin,found_inWaitOfReply);
}
else
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("Skip the signal sending"));
last_state=current_state;
last_have_plugin=have_plugin;
last_inWaitOfReply=found_inWaitOfReply;
}
void PluginLoader::newState(const Ultracopier::CatchState &state)
{
if(stopIt)
return;
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Notice,QStringLiteral("start, state: %1").arg(state));
PluginInterface_PluginLoader *temp=qobject_cast<PluginInterface_PluginLoader *>(QObject::sender());
if(temp==NULL)
{
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Critical,QStringLiteral("listener not located!"));
return;
}
int index=0;
while(index<pluginList.size())
{
if(temp==pluginList.at(index).pluginLoaderInterface)
{
pluginList[index].state=state;
pluginList[index].inWaitOfReply=false;
sendState(true);
return;
}
index++;
}
ULTRACOPIER_DEBUGCONSOLE(Ultracopier::DebugLevel_Critical,QStringLiteral("listener not found!"));
}
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