TWK-998: Stable sort in job view proxy, by creation date

src/libtomahawk/jobview/JobStatusItem.cpp

@@ -18,10 +18,12 @@
 
 
 #include "JobStatusItem.h"
+#include <QTime>
 
 
 JobStatusItem::JobStatusItem()
     : QObject()
+    , m_createdOn( QDateTime::currentMSecsSinceEpoch() )
 {
 }
 

src/libtomahawk/jobview/JobStatusItem.h

@@ -65,12 +65,16 @@ public:
     virtual void createDelegate( QObject* parent );
     virtual QStyledItemDelegate* customDelegate() const;
 
+    qint64 age() const { return m_createdOn; }
 signals:
     /// Ask for an update
     void statusChanged();
 
     /// Job is finished, will be deleted by the model
     void finished();
+
+private:
+    qint64 m_createdOn;
 };
 
 Q_DECLARE_METATYPE( JobStatusItem* );

src/libtomahawk/jobview/JobStatusModel.cpp

@@ -82,14 +82,14 @@ JobStatusSortModel::refreshDelegatesSlot()
 bool
 JobStatusSortModel::lessThan( const QModelIndex& left, const QModelIndex& right ) const
 {
-    QVariant leftVar = left.data( JobStatusModel::JobDataRole );
-    JobStatusItem* leftItem = leftVar.value< JobStatusItem* >();
-    QVariant rightVar = right.data( JobStatusModel::JobDataRole );
-    JobStatusItem* rightItem = rightVar.value< JobStatusItem* >();
-    if ( !leftItem || !rightItem )
-        return false;
+    const int leftSort = left.data( JobStatusModel::SortRole ).toInt();
+    const int rightSort = right.data( JobStatusModel::SortRole ).toInt();
 
-    return leftItem->weight() < rightItem->weight();
+    if ( leftSort == rightSort )
+        return left.data( JobStatusModel::AgeRole ).toUInt() > right.data( JobStatusModel::AgeRole ).toUInt();
+
+
+    return leftSort < rightSort;
 }
 
 
@@ -204,6 +204,15 @@ JobStatusModel::data( const QModelIndex& index, int role ) const
 
         case JobDataRole:
             return QVariant::fromValue< JobStatusItem* >( item );
+
+        case SortRole:
+            return item->weight();
+
+        case AgeRole:
+            return item->age();
+
+        default:
+            return QVariant();
     }
 
     return QVariant();

src/libtomahawk/jobview/JobStatusModel.h

@@ -37,7 +37,9 @@ public:
         // DisplayRole is main col
         RightColumnRole = Qt::UserRole + 1,
         AllowMultiLineRole = Qt::UserRole + 2,
-        JobDataRole = Qt::UserRole + 3
+        JobDataRole = Qt::UserRole + 3,
+        SortRole = Qt::UserRole + 4,
+        AgeRole = Qt::UserRole + 5
     };
 
     explicit JobStatusModel( QObject* parent = 0 );