KItemViews: Internal directory restructuration

- Move all private headers from the kitemviews-directory into
the 'private' subdirectory.

- Get rid of DolphinDirLister and just use a directory-lister
  internally in KFileItemModel.

- Minor interface-cleanups for signals

1 files changed, 106 insertions, 0 deletions

diff --git a/src/kitemviews/private/kitemlistviewanimation.h b/src/kitemviews/private/kitemlistviewanimation.h
new file mode 100644
index 000000000..a3aceb0f5
--- /dev/null
+++ b/src/kitemviews/private/kitemlistviewanimation.h
@@ -0,0 +1,106 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Peter Penz <[email protected]>             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
+ ***************************************************************************/
+
+#ifndef KITEMLISTVIEWANIMATION_H
+#define KITEMLISTVIEWANIMATION_H
+
+#include <libdolphin_export.h>
+
+#include <QHash>
+#include <QObject>
+#include <QVariant>
+
+class KItemListView;
+class QGraphicsWidget;
+class QPointF;
+class QPropertyAnimation;
+
+/**
+ * @brief Internal helper class for KItemListView to animate the items.
+ *
+ * Supports item animations for moving, creating, deleting and resizing
+ * an item. Several applications can be applied to one item in parallel.
+ */
+class LIBDOLPHINPRIVATE_EXPORT KItemListViewAnimation : public QObject
+{
+    Q_OBJECT
+
+public:
+    enum AnimationType {
+        MovingAnimation,
+        CreateAnimation,
+        DeleteAnimation,
+        ResizeAnimation
+    };
+
+    KItemListViewAnimation(QObject* parent = 0);
+    virtual ~KItemListViewAnimation();
+
+    void setScrollOrientation(Qt::Orientation orientation);
+    Qt::Orientation scrollOrientation() const;
+
+    void setScrollOffset(qreal scrollOffset);
+    qreal scrollOffset() const;
+
+    /**
+     * Starts the animation of the type \a type for the widget \a widget. If an animation
+     * of the type is already running, this animation will be stopped before starting
+     * the new animation.
+     */
+    void start(QGraphicsWidget* widget, AnimationType type, const QVariant& endValue = QVariant());
+
+    /**
+     * Stops the animation of the type \a type for the widget \a widget.
+     */
+    void stop(QGraphicsWidget* widget, AnimationType type);
+
+    /**
+     * Stops all animations that have been applied to the widget \a widget.
+     */
+    void stop(QGraphicsWidget* widget);
+
+    /**
+     * @return True if the animation of the type \a type has been started
+     *         for the widget \a widget..
+     */
+    bool isStarted(QGraphicsWidget *widget, AnimationType type) const;
+
+    /**
+     * @return True if any animation has been started for the widget.
+     */
+    bool isStarted(QGraphicsWidget* widget) const;
+
+signals:
+    void finished(QGraphicsWidget* widget, KItemListViewAnimation::AnimationType type);
+
+private slots:
+    void slotFinished();
+
+private:
+    enum { AnimationTypeCount = 4 };
+
+    int m_animationDuration;
+    Qt::Orientation m_scrollOrientation;
+    qreal m_scrollOffset;
+    QHash<QGraphicsWidget*, QPropertyAnimation*> m_animation[AnimationTypeCount];
+};
+
+#endif
+
+