Added enable/disable parameter to each effect in Phonon MMF backend

Task-number: QTBUG-4659
Reviewed-by: Espen Riskedal

1 files changed, 15 insertions, 0 deletions

diff --git a/src/3rdparty/phonon/mmf/effectfactory.cpp b/src/3rdparty/phonon/mmf/effectfactory.cpp
index 081f6a3..c5e33d5 100644
--- a/src/3rdparty/phonon/mmf/effectfactory.cpp
+++ b/src/3rdparty/phonon/mmf/effectfactory.cpp
@@ -176,6 +176,13 @@ EffectFactory::EffectData EffectFactory::getData()
     OutputStreamFactory streamFactory;
     QScopedPointer<CMdaAudioOutputStream> stream(streamFactory.create());
 
+    EffectParameter param(
+         /* parameterId */        AbstractAudioEffect::ParameterEnable,
+         /* name */               tr("Enabled"),
+         /* hints */              EffectParameter::ToggledHint,
+         /* defaultValue */       QVariant(bool(true)));
+    data.m_parameters.append(param);
+
     if (data.m_supported = BackendNode::getParameters
             (stream.data(), data.m_parameters)) {
         const QString description = QCoreApplication::translate
@@ -185,6 +192,14 @@ EffectFactory::EffectData EffectFactory::getData()
         data.m_descriptions.insert("available", true);
     }
 
+    // Sanity check to ensure that all parameter IDs are unique
+    QSet<int> ids;
+    foreach (param, data.m_parameters) {
+        Q_ASSERT_X(ids.find(param.id()) == ids.end(), Q_FUNC_INFO,
+            "Parameter list contains duplicates");
+        ids.insert(param.id());
+    }
+
     return data;
 }