[vlmc-devel] commit: EffectsEngine: Cache the plugins. ( Hugo Beauzée-Luyssen )

[git at videolan.org]

vlmc | branch: master | Hugo Beauzée-Luyssen <beauze.h at gmail.com> | Tue Jul 27 23:13:56 2010 +0200| [9252c44988dd7b4172abb4cb429e4fc9348cbcc7] | committer: Hugo Beauzée-Luyssen 

EffectsEngine: Cache the plugins.

> http://git.videolan.org/gitweb.cgi/vlmc.git/?a=commit;h=9252c44988dd7b4172abb4cb429e4fc9348cbcc7
---

 src/EffectsEngine/EffectsEngine.cpp |   31 +++++++++++++++++++++++++++++--
 src/EffectsEngine/EffectsEngine.h   |    3 +++
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/EffectsEngine/EffectsEngine.cpp b/src/EffectsEngine/EffectsEngine.cpp
index fa96dc1..d8cf2ec 100644
--- a/src/EffectsEngine/EffectsEngine.cpp
+++ b/src/EffectsEngine/EffectsEngine.cpp
@@ -26,11 +26,16 @@
 #include "EffectInstance.h"
 #include "Types.h"
 
+#include <QDesktopServices>
 #include <QDir>
+#include <QSettings>
 #include <QtDebug>
 
 EffectsEngine::EffectsEngine()
 {
+    m_cache = new QSettings( QDesktopServices::storageLocation(
+                    QDesktopServices::CacheLocation ) + "/effects",
+                             QSettings::IniFormat, this );
 }
 
 EffectsEngine::~EffectsEngine()
@@ -61,14 +66,36 @@ EffectsEngine::effect( const QString& name )
 bool
 EffectsEngine::loadEffect( const QString &fileName )
 {
-    Effect*     e = new Effect( fileName );
+    Effect*         e = new Effect( fileName );
+    QString         name;
+    Effect::Type    type;
+
+    if ( m_cache->contains( fileName + "/name" ) == true &&
+         m_cache->contains( fileName + "/type" ) == true )
+    {
+        name = m_cache->value( fileName + "/name" ).toString();
+        int     typeInt = m_cache->value( fileName + "/type" ).toInt();
+        if ( typeInt < Effect::Unknown || typeInt > Effect::Mixer3 )
+            qWarning() << "Invalid plugin type.";
+        else
+        {
+            type = static_cast<Effect::Type>( typeInt );
+            m_effects[name] = e;
+            emit effectAdded( e, type );
+            return true;
+        }
+    }
     if ( e->load() == false )
     {
         delete e;
         return false;
     }
     m_effects[e->name()] = e;
-    emit effectAdded( e, e->type() );
+    m_cache->setValue( fileName + "/name", e->name() );
+    m_cache->setValue( fileName + "/type", e->type() );
+    name = e->name();
+    type = e->type();
+    emit effectAdded( e, type );
     return true;
 }
 
diff --git a/src/EffectsEngine/EffectsEngine.h b/src/EffectsEngine/EffectsEngine.h
index 302fbe7..fb8d886 100644
--- a/src/EffectsEngine/EffectsEngine.h
+++ b/src/EffectsEngine/EffectsEngine.h
@@ -31,6 +31,8 @@
 #include <QObject>
 #include <QHash>
 
+class   QSettings;
+
 class   EffectsEngine : public QObject, public Singleton<EffectsEngine>
 {
     Q_OBJECT
@@ -58,6 +60,7 @@ class   EffectsEngine : public QObject, public Singleton<EffectsEngine>
         ~EffectsEngine();
 
         QHash<QString, Effect*> m_effects;
+        QSettings               *m_cache;
 
     signals:
         void        effectAdded( Effect*, Effect::Type );