cache the mimedata so we can paint the items after the dropLeaveEvent and made animations a bit faster

src/sourcetree/animationhelper.cpp

@@ -7,14 +7,13 @@ AnimationHelper::AnimationHelper( const QModelIndex& index, QObject *parent )
     , m_index( index )
     , m_fullyExpanded( false )
     , m_expandAnimation( 0 )
-    , m_forceClosing( false )
 {
     m_expandTimer.setSingleShot( true );
-    m_expandTimer.setInterval( 1000 );
+    m_expandTimer.setInterval( 600 );
     connect( &m_expandTimer, SIGNAL(timeout()), SLOT(expandTimeout()));
 
     m_collapseTimer.setSingleShot( true );
-    m_collapseTimer.setInterval( 1000 );
+    m_collapseTimer.setInterval( 600 );
     connect( &m_collapseTimer, SIGNAL(timeout()), SLOT(collapseTimeout()));
 }
 
@@ -70,7 +69,6 @@ void AnimationHelper::collapse( bool immediately )
 
     if ( immediately )
     {
-        m_forceClosing = true;
         m_fullyExpanded = false;
         m_collapseAnimation->start();
     }
@@ -80,9 +78,6 @@ void AnimationHelper::collapse( bool immediately )
 
 bool AnimationHelper::partlyExpanded()
 {
-    if ( m_forceClosing )
-        return false;
-
     return m_size != m_startSize;
 //    return m_fullyExpanded
 //            || ( m_expandAnimation->state() == QPropertyAnimation::Running && m_expandAnimation->currentTime() > 250 )

src/sourcetree/animationhelper.h

@@ -49,7 +49,6 @@ private:
     QTimer m_collapseTimer;
 
     bool m_fullyExpanded;
-    bool m_forceClosing;
 
     QPropertyAnimation *m_expandAnimation;
     QPropertyAnimation *m_collapseAnimation;

src/sourcetree/sourcedelegate.cpp

@@ -36,6 +36,13 @@ SourceDelegate::SourceDelegate( QAbstractItemView* parent )
     m_dropTypeImageMap.insert( 2, QPixmap( ":/data/images/drop-all-songs.png" ).scaledToHeight( 32, Qt::SmoothTransformation ) );
     m_dropTypeImageMap.insert( 3, QPixmap( ":/data/images/drop-local-songs.png" ).scaledToWidth( 32, Qt::SmoothTransformation ) );
     m_dropTypeImageMap.insert( 4, QPixmap( ":/data/images/drop-top-songs.png" ).scaledToWidth( 32, Qt::SmoothTransformation ) );
+
+    m_dropMimeData = new QMimeData();
+}
+
+SourceDelegate::~SourceDelegate()
+{
+    delete m_dropMimeData;
 }
 
 QSize
@@ -53,7 +60,7 @@ SourceDelegate::sizeHint( const QStyleOptionViewItem& option, const QModelIndex&
             qDebug() << "droptypecount is " << dropTypes;
             QSize originalSize = QStyledItemDelegate::sizeHint( option, index );
             QSize targetSize = originalSize + QSize( 0, dropTypes == 0 ? 0 : 56 );
-            m_expandedMap.value( index )->initialize( originalSize, targetSize, 500 );
+            m_expandedMap.value( index )->initialize( originalSize, targetSize, 300 );
             m_expandedMap.value( index )->expand();
         }
         QMetaObject::invokeMethod( m_parent, "update", Qt::QueuedConnection, Q_ARG( QModelIndex, index ) );
@@ -380,7 +387,12 @@ SourceDelegate::hovered(const QModelIndex &index, const QMimeData *mimeData)
         }
 
         m_newDropHoverIndex = index;
-        m_dropMimeData = const_cast< QMimeData* >( mimeData );
+        m_dropMimeData->clear();
+        foreach ( const QString &mimeDataFormat, mimeData->formats() )
+        {
+            m_dropMimeData->setData( mimeDataFormat, mimeData->data( mimeDataFormat ) );
+        }
+
         m_expandedMap.insert( m_newDropHoverIndex, new AnimationHelper( m_newDropHoverIndex ) );
         connect( m_expandedMap.value( m_newDropHoverIndex ), SIGNAL( finished( QModelIndex ) ), SLOT( animationFinished( QModelIndex ) ) );
 

src/sourcetree/sourcedelegate.h

@@ -14,6 +14,7 @@ class SourceDelegate : public QStyledItemDelegate
     Q_OBJECT
 public:
     SourceDelegate( QAbstractItemView* parent = 0 );
+    ~SourceDelegate();
 
     void hovered( const QModelIndex &index, const QMimeData *mimeData );
     void dragLeaveEvent();