Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaccessibility@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 239 insertions, 0 deletions

diff --git a/ksayit/src/fxpluginhandler.cpp b/ksayit/src/fxpluginhandler.cpp
new file mode 100644
index 0000000..8e6f68d
--- /dev/null
+++ b/ksayit/src/fxpluginhandler.cpp
@@ -0,0 +1,239 @@
+//
+// C++ Implementation: fxpluginhandler
+//
+// Description: 
+//
+//
+// Author: Robert Vogl <voglrobe@lapislazuli>, (C) 2004
+//
+// Copyright: See COPYING file that comes with this distribution
+//
+//
+
+// QT includes
+#include <qdir.h>
+
+// KDE includes
+#include <kdebug.h>
+#include <kapplication.h>
+#include <ktrader.h>
+#include <klibloader.h>
+#include <kservice.h>
+
+// App specific includes
+#include "fxpluginhandler.h"
+#include "ksayit_fxplugin.h"
+#include "ksayit_ttsplugin.h"
+
+
+FXPluginHandler::FXPluginHandler(QObject *parent, const char *name, KConfig *config)
+ : QObject(parent, name), m_config(config)
+{
+    m_mapPluginList.clear();
+    m_lstActivePlugins.clear();
+}
+
+
+FXPluginHandler::~FXPluginHandler()
+{
+    QMap<QString, fx_struct>::Iterator mit;
+     
+    for (mit=m_mapPluginList.begin(); mit!=m_mapPluginList.end(); ++mit){
+        if ( (*mit).p != 0 ){
+            delete (*mit).p;
+        }
+    }
+}
+
+
+void FXPluginHandler::searchPlugins()
+{  
+    kdDebug(100200) << "FXPluginHandler::searchPlugins()" << endl;
+    
+    QStringList sRegistered;
+    fx_struct plugin;
+    
+    sRegistered.clear();
+    m_mapPluginList.clear();
+    
+    KTrader::OfferList offers = KTrader::self()->query("KSayIt/FXPlugin");
+    KLibFactory *factory = NULL;
+    QString library = QString::null;
+    QString name = QString::null;
+    
+    KTrader::OfferList::Iterator it=offers.begin();
+    for ( ;it!=offers.end(); ++it ){
+        KService::Ptr ptr = (*it);
+        library = ptr->library();
+        name    = ptr->name();
+        factory = KLibLoader::self()->factory( library.latin1() );
+        if ( factory ){
+            kdDebug(100200) << "FXPluginHandler::searchPlugins(): Plugin factory found." << endl;
+            // register found plugin
+            if ( !sRegistered.contains( QString(name) )){
+                sRegistered.append( QString(name) );
+                plugin.name    = name;
+                plugin.library = library;
+                plugin.description = QString::null;
+                plugin.EffectID = 0;
+                plugin.p = NULL;
+                m_mapPluginList[plugin.name] = plugin; // update Plugin Map
+                kdDebug(100200) << "FXPluginHandler::searchPlugins(): " << plugin.name << " registered." << endl;
+            }            
+        }
+    }
+}
+
+
+void FXPluginHandler::readConfiguration()
+{
+    kdDebug(100200) << "+++ entering FXPluginHandler::readConfiguration()" << endl;
+    
+    fx_struct plugin;
+    QMap<QString, fx_struct>::Iterator mit;
+    QStringList::Iterator lit;
+    
+    // unload all plugins and destroy the effect objects
+    lit = m_lstActivePlugins.begin();
+    while ( lit != m_lstActivePlugins.end() ){
+        mit = m_mapPluginList.find( *lit );
+        if ( mit!=m_mapPluginList.end() ){
+            plugin = *mit;
+            if ( (plugin.p != NULL) && (plugin.EffectID == 0) ){
+                delete plugin.p;
+                plugin.p = NULL;
+                m_mapPluginList[plugin.name] = plugin; // update Plugin Map
+                lit = m_lstActivePlugins.remove( lit );                           
+            } else {
+                lit++;
+            }
+        }
+    }
+    
+    // load active plugins as given in config file
+    m_config->setGroup("Effect Stack Configuration");
+    QStringList conf_active = m_config->readListEntry("Activated");
+    KLibFactory *factory = NULL;   
+    
+    for (lit=conf_active.begin(); lit!=conf_active.end(); ++lit){ // for all in config
+        mit = m_mapPluginList.find(*lit);
+        if( mit!=m_mapPluginList.end() ){
+            // plugin found in list of registered plugins 
+            plugin = *mit;
+            // load plugin            
+            factory = KLibLoader::self()->factory( (plugin.library).latin1() );
+            if ( factory ){
+                plugin.p = static_cast<FXPlugin*>( factory->create( (QObject*)this, (plugin.name).latin1() ) );
+                if ( plugin.p ){ // Plugin found
+                    plugin.p->setApplication( KApplication::kApplication() );
+                    plugin.description = plugin.p->getDescription_KS();
+                    // append to list of active plugins
+                    m_lstActivePlugins.append( plugin.name );
+                    m_mapPluginList[plugin.name] = plugin; // update Plugin Map
+                    kdDebug(100200) << "FXPluginHandler: FX-Plugin " << plugin.name << " active." << endl;                       
+                }
+            }
+        }            
+    }
+}
+
+
+void FXPluginHandler::showEffectGUI(const QString &pname)
+{
+    kdDebug(100200) << "FXPluginHandler::showEffectGUI(): " << pname << endl;
+    
+    QMap<QString, fx_struct>::Iterator mit;
+    fx_struct plugin;
+    
+    // find plugin with name==pname in list and show its GUI
+    mit = m_mapPluginList.find(pname);
+    if ( mit != m_mapPluginList.end() ){
+        plugin = *mit;
+        if ( plugin.p != NULL ){ // plugin loaded
+            plugin.p->showGUI_KS();
+            return;
+        } else {
+            kdDebug(100200) << "Effect not active yet. Loading..." << endl;
+            KLibFactory *factory = KLibLoader::self()->factory( (plugin.library).latin1() );
+            if ( factory ){
+                plugin.p = static_cast<FXPlugin*>( factory->create( (QObject*)this, (plugin.name).latin1() ) );
+                if ( plugin.p ){ // Plugin found
+                    plugin.p->setApplication( KApplication::kApplication() );
+                    plugin.description = plugin.p->getDescription_KS();
+                    // append to list of active plugins
+                    m_lstActivePlugins.append( plugin.name );
+                    m_mapPluginList[plugin.name] = plugin; // update Plugin Map
+                    kdDebug(100200) << "FXPluginHandler: FX-Plugin " << plugin.name << " active." << endl;                       
+                    plugin.p->showGUI_KS();
+                    return;
+                }
+            }
+        }        
+    }
+ }
+
+
+void FXPluginHandler::getPlugins(QStringList &pluginlist)
+{
+    // kdDebug(100200) << "FXPluginHandler::getPlugins" << endl;
+    
+    pluginlist.clear();
+    QString sPname;
+    
+    QMap<QString, fx_struct>::Iterator mit;
+    for (mit=m_mapPluginList.begin(); mit!=m_mapPluginList.end(); ++mit){
+        sPname = (*mit).name; //testing
+        pluginlist.append( sPname );    
+    }
+} 
+
+
+void FXPluginHandler::activateEffect(const QString &pname,
+                                   KArtsServer *server,
+                                   StereoEffectStack *fx_stack)
+{
+    kdDebug(100200) << "FXPluginHandler::activateEffect: " << pname << endl;
+    
+    QMap<QString, fx_struct>::Iterator mit;
+    fx_struct plugin;
+    
+    // find plugin with name==pname
+    mit = m_mapPluginList.find(pname);
+    if ( mit!=m_mapPluginList.end() ){
+        plugin = *mit;
+        if ( plugin.p != NULL ){
+            plugin.EffectID = plugin.p->activate_KS(server, fx_stack);
+            m_mapPluginList[plugin.name] = plugin; // update Plugin Map                
+        } else {
+            kdDebug(100200) << "Effect " << pname << " not found or inactive." << endl;    
+        }
+    }
+}
+
+
+void FXPluginHandler::deactivateEffects(StereoEffectStack *fx_stack)
+{
+    kdDebug(100200) << "FXPluginHandler::deactivateEffects." << endl;
+    
+    QMap<QString, fx_struct>::Iterator mit;
+    fx_struct plugin;
+      
+    for (mit=m_mapPluginList.begin(); mit!=m_mapPluginList.end(); ++mit){
+        if ( mit != m_mapPluginList.end() ){
+            plugin = *mit;
+            if ( (plugin.EffectID != 0) && (plugin.p != NULL) ){
+                // effect active and on stack
+                plugin.p->deactivate_KS(fx_stack, plugin.EffectID);
+                kdDebug(100200) << plugin.name << " with Effect ID " << plugin.EffectID << " removed." << endl;
+                plugin.EffectID = 0;
+                m_mapPluginList[plugin.name] = plugin; // update Plugin Map
+            }
+        }
+    }    
+}
+
+
+
+
+
+#include "fxpluginhandler.moc"