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Diffstat (limited to 'kresources/managerimpl.cpp')
-rw-r--r-- | kresources/managerimpl.cpp | 448 |
1 files changed, 448 insertions, 0 deletions
diff --git a/kresources/managerimpl.cpp b/kresources/managerimpl.cpp new file mode 100644 index 000000000..01380e03b --- /dev/null +++ b/kresources/managerimpl.cpp @@ -0,0 +1,448 @@ +/* + This file is part of libkresources. + + Copyright (c) 2002 Tobias Koenig <tokoe@kde.org> + Copyright (c) 2002 Jan-Pascal van Best <janpascal@vanbest.org> + Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include <dcopclient.h> + +#include <kaboutdata.h> +#include <kapplication.h> +#include <kdebug.h> +#include <kconfig.h> +#include <kstandarddirs.h> + +#include "resource.h" +#include "factory.h" +#include "manager.h" +#include "managerimpl.h" +#include "manageriface_stub.h" + +using namespace KRES; + +ManagerImpl::ManagerImpl( ManagerNotifier *notifier, const QString &family ) + : DCOPObject( "ManagerIface_" + family.utf8() ), + mNotifier( notifier ), + mFamily( family ), mConfig( 0 ), mStdConfig( 0 ), mStandard( 0 ), + mFactory( 0 ), mConfigRead( false ) +{ + kdDebug(5650) << "ManagerImpl::ManagerImpl()" << endl; + + mId = KApplication::randomString( 8 ); + + // Register with DCOP + if ( !kapp->dcopClient()->isRegistered() ) { + kapp->dcopClient()->registerAs( "KResourcesManager" ); + kapp->dcopClient()->setDefaultObject( objId() ); + } + + kdDebug(5650) << "Connecting DCOP signals..." << endl; + if ( !connectDCOPSignal( 0, "ManagerIface_" + family.utf8(), + "signalKResourceAdded( QString, QString )", + "dcopKResourceAdded( QString, QString )", false ) ) + kdWarning(5650) << "Could not connect ResourceAdded signal!" << endl; + + if ( !connectDCOPSignal( 0, "ManagerIface_" + family.utf8(), + "signalKResourceModified( QString, QString )", + "dcopKResourceModified( QString, QString )", false ) ) + kdWarning(5650) << "Could not connect ResourceModified signal!" << endl; + + if ( !connectDCOPSignal( 0, "ManagerIface_" + family.utf8(), + "signalKResourceDeleted( QString, QString )", + "dcopKResourceDeleted( QString, QString )", false ) ) + kdWarning(5650) << "Could not connect ResourceDeleted signal!" << endl; + + kapp->dcopClient()->setNotifications( true ); +} + +ManagerImpl::~ManagerImpl() +{ + kdDebug(5650) << "ManagerImpl::~ManagerImpl()" << endl; + + Resource::List::ConstIterator it; + for ( it = mResources.begin(); it != mResources.end(); ++it ) { + delete *it; + } + + delete mStdConfig; +} + +void ManagerImpl::createStandardConfig() +{ + if ( !mStdConfig ) { + QString file = defaultConfigFile( mFamily ); + mStdConfig = new KConfig( file ); + } + + mConfig = mStdConfig; +} + +void ManagerImpl::readConfig( KConfig *cfg ) +{ + kdDebug(5650) << "ManagerImpl::readConfig()" << endl; + + delete mFactory; + mFactory = Factory::self( mFamily ); + + if ( !cfg ) { + createStandardConfig(); + } else { + mConfig = cfg; + } + + mStandard = 0; + + mConfig->setGroup( "General" ); + + QStringList keys = mConfig->readListEntry( "ResourceKeys" ); + keys += mConfig->readListEntry( "PassiveResourceKeys" ); + + QString standardKey = mConfig->readEntry( "Standard" ); + + for ( QStringList::Iterator it = keys.begin(); it != keys.end(); ++it ) { + readResourceConfig( *it, false ); + } + + mConfigRead = true; +} + +void ManagerImpl::writeConfig( KConfig *cfg ) +{ + kdDebug(5650) << "ManagerImpl::writeConfig()" << endl; + + if ( !cfg ) { + createStandardConfig(); + } else { + mConfig = cfg; + } + + QStringList activeKeys; + QStringList passiveKeys; + + // First write all keys, collect active and passive keys on the way + Resource::List::Iterator it; + for ( it = mResources.begin(); it != mResources.end(); ++it ) { + writeResourceConfig( *it, false ); + + QString key = (*it)->identifier(); + if( (*it)->isActive() ) + activeKeys.append( key ); + else + passiveKeys.append( key ); + } + + // And then the general group + + kdDebug(5650) << "Saving general info" << endl; + mConfig->setGroup( "General" ); + mConfig->writeEntry( "ResourceKeys", activeKeys ); + mConfig->writeEntry( "PassiveResourceKeys", passiveKeys ); + if ( mStandard ) + mConfig->writeEntry( "Standard", mStandard->identifier() ); + else + mConfig->writeEntry( "Standard", "" ); + + mConfig->sync(); + kdDebug(5650) << "ManagerImpl::save() finished" << endl; +} + +void ManagerImpl::add( Resource *resource ) +{ + resource->setActive( true ); + + if ( mResources.isEmpty() ) { + mStandard = resource; + } + + mResources.append( resource ); + + if ( mConfigRead ) + writeResourceConfig( resource, true ); + + signalKResourceAdded( mId, resource->identifier() ); +} + +void ManagerImpl::remove( Resource *resource ) +{ + if ( mStandard == resource ) mStandard = 0; + removeResource( resource ); + + mResources.remove( resource ); + + signalKResourceDeleted( mId, resource->identifier() ); + + delete resource; + + kdDebug(5650) << "Finished ManagerImpl::remove()" << endl; +} + +void ManagerImpl::change( Resource *resource ) +{ + writeResourceConfig( resource, true ); + + signalKResourceModified( mId, resource->identifier() ); +} + +void ManagerImpl::setActive( Resource *resource, bool active ) +{ + if ( resource && resource->isActive() != active ) { + resource->setActive( active ); + } +} + +Resource *ManagerImpl::standardResource() +{ + return mStandard; +} + +void ManagerImpl::setStandardResource( Resource *resource ) +{ + mStandard = resource; +} + +// DCOP asynchronous functions + +void ManagerImpl::dcopKResourceAdded( QString managerId, QString resourceId ) +{ + if ( managerId == mId ) { + kdDebug(5650) << "Ignore DCOP notification to myself" << endl; + return; + } + kdDebug(5650) << "Receive DCOP call: added resource " << resourceId << endl; + + if ( getResource( resourceId ) ) { + kdDebug(5650) << "This resource is already known to me." << endl; + } + + if ( !mConfig ) createStandardConfig(); + + mConfig->reparseConfiguration(); + Resource *resource = readResourceConfig( resourceId, true ); + + if ( resource ) { + mNotifier->notifyResourceAdded( resource ); + } else + kdError() << "Received DCOP: resource added for unknown resource " + << resourceId << endl; +} + +void ManagerImpl::dcopKResourceModified( QString managerId, QString resourceId ) +{ + if ( managerId == mId ) { + kdDebug(5650) << "Ignore DCOP notification to myself" << endl; + return; + } + kdDebug(5650) << "Receive DCOP call: modified resource " << resourceId << endl; + + Resource *resource = getResource( resourceId ); + if ( resource ) { + mNotifier->notifyResourceModified( resource ); + } else + kdError() << "Received DCOP: resource modified for unknown resource " + << resourceId << endl; +} + +void ManagerImpl::dcopKResourceDeleted( QString managerId, QString resourceId ) +{ + if ( managerId == mId ) { + kdDebug(5650) << "Ignore DCOP notification to myself" << endl; + return; + } + kdDebug(5650) << "Receive DCOP call: deleted resource " << resourceId << endl; + + Resource *resource = getResource( resourceId ); + if ( resource ) { + mNotifier->notifyResourceDeleted( resource ); + + kdDebug(5650) << "Removing item from mResources" << endl; + // Now delete item + if ( mStandard == resource ) + mStandard = 0; + mResources.remove( resource ); + } else + kdError() << "Received DCOP: resource deleted for unknown resource " + << resourceId << endl; +} + +QStringList ManagerImpl::resourceNames() +{ + QStringList result; + + Resource::List::ConstIterator it; + for ( it = mResources.begin(); it != mResources.end(); ++it ) { + result.append( (*it)->resourceName() ); + } + return result; +} + +Resource::List *ManagerImpl::resourceList() +{ + return &mResources; +} + +QPtrList<Resource> ManagerImpl::resources() +{ + QPtrList<Resource> result; + + Resource::List::ConstIterator it; + for ( it = mResources.begin(); it != mResources.end(); ++it ) { + result.append( *it ); + } + return result; +} + +QPtrList<Resource> ManagerImpl::resources( bool active ) +{ + QPtrList<Resource> result; + + Resource::List::ConstIterator it; + for ( it = mResources.begin(); it != mResources.end(); ++it ) { + if ( (*it)->isActive() == active ) { + result.append( *it ); + } + } + return result; +} + +Resource *ManagerImpl::readResourceConfig( const QString &identifier, + bool checkActive ) +{ + kdDebug(5650) << "ManagerImpl::readResourceConfig() " << identifier << endl; + + if ( !mFactory ) { + kdError(5650) << "ManagerImpl::readResourceConfig: mFactory is 0. Did the app forget to call readConfig?" << endl; + return 0; + } + + mConfig->setGroup( "Resource_" + identifier ); + + QString type = mConfig->readEntry( "ResourceType" ); + QString name = mConfig->readEntry( "ResourceName" ); + Resource *resource = mFactory->resource( type, mConfig ); + if ( !resource ) { + kdDebug(5650) << "Failed to create resource with id " << identifier << endl; + return 0; + } + + if ( resource->identifier().isEmpty() ) + resource->setIdentifier( identifier ); + + mConfig->setGroup( "General" ); + + QString standardKey = mConfig->readEntry( "Standard" ); + if ( standardKey == identifier ) { + mStandard = resource; + } + + if ( checkActive ) { + QStringList activeKeys = mConfig->readListEntry( "ResourceKeys" ); + resource->setActive( activeKeys.contains( identifier ) ); + } + mResources.append( resource ); + + return resource; +} + +void ManagerImpl::writeResourceConfig( Resource *resource, bool checkActive ) +{ + QString key = resource->identifier(); + + kdDebug(5650) << "Saving resource " << key << endl; + + if ( !mConfig ) createStandardConfig(); + + mConfig->setGroup( "Resource_" + key ); + resource->writeConfig( mConfig ); + + mConfig->setGroup( "General" ); + QString standardKey = mConfig->readEntry( "Standard" ); + + if ( resource == mStandard && standardKey != key ) + mConfig->writeEntry( "Standard", resource->identifier() ); + else if ( resource != mStandard && standardKey == key ) + mConfig->writeEntry( "Standard", "" ); + + if ( checkActive ) { + QStringList activeKeys = mConfig->readListEntry( "ResourceKeys" ); + QStringList passiveKeys = mConfig->readListEntry( "PassiveResourceKeys" ); + if ( resource->isActive() ) { + if ( passiveKeys.contains( key ) ) { // remove it from passive list + passiveKeys.remove( key ); + mConfig->writeEntry( "PassiveResourceKeys", passiveKeys ); + } + if ( !activeKeys.contains( key ) ) { // add it to active list + activeKeys.append( key ); + mConfig->writeEntry( "ResourceKeys", activeKeys ); + } + } else if ( !resource->isActive() ) { + if ( activeKeys.contains( key ) ) { // remove it from active list + activeKeys.remove( key ); + mConfig->writeEntry( "ResourceKeys", activeKeys ); + } + if ( !passiveKeys.contains( key ) ) { // add it to passive list + passiveKeys.append( key ); + mConfig->writeEntry( "PassiveResourceKeys", passiveKeys ); + } + } + } + + mConfig->sync(); +} + +void ManagerImpl::removeResource( Resource *resource ) +{ + QString key = resource->identifier(); + + if ( !mConfig ) createStandardConfig(); + + mConfig->setGroup( "General" ); + QStringList activeKeys = mConfig->readListEntry( "ResourceKeys" ); + if ( activeKeys.contains( key ) ) { + activeKeys.remove( key ); + mConfig->writeEntry( "ResourceKeys", activeKeys ); + } else { + QStringList passiveKeys = mConfig->readListEntry( "PassiveResourceKeys" ); + passiveKeys.remove( key ); + mConfig->writeEntry( "PassiveResourceKeys", passiveKeys ); + } + + QString standardKey = mConfig->readEntry( "Standard" ); + if ( standardKey == key ) { + mConfig->writeEntry( "Standard", "" ); + } + + mConfig->deleteGroup( "Resource_" + resource->identifier() ); + mConfig->sync(); +} + +Resource *ManagerImpl::getResource( const QString &identifier ) +{ + Resource::List::ConstIterator it; + for ( it = mResources.begin(); it != mResources.end(); ++it ) { + if ( (*it)->identifier() == identifier ) + return *it; + } + return 0; +} + +QString ManagerImpl::defaultConfigFile( const QString &family ) +{ + return QString( "kresources/%1/stdrc" ).arg( family ); +} |