Applying view properties recursively to sub directories works again (TODO: rewrite ViewPropsApplier completely as KJob implementation).

svn path=/trunk/playground/utils/dolphin/; revision=610887

1 files changed, 83 insertions, 0 deletions

diff --git a/src/viewpropsapplier.h b/src/viewpropsapplier.h
new file mode 100644
index 000000000..f564a4fe7
--- /dev/null
+++ b/src/viewpropsapplier.h
@@ -0,0 +1,83 @@
+/***************************************************************************
+ *   Copyright (C) 2006 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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef VIEWPROPSAPPLIER_H
+#define VIEWPROPSAPPLIER_H
+
+#include <QObject>
+#include <kdirlister.h>
+
+class KUrl;
+class KDirLister;
+class ViewProperties;
+
+/**
+ * @brief Applies view properties recursively to sub directories.
+ *
+ * BIG TODO: This class must be rewritten by inheriting from KJob (see
+ * also KDirSize as reference). The current implementation gets nuts
+ * for deep directory hierarchies, as an incredible number of parallel
+ * KDirLister instances will be created.
+ *
+ * Anyhow when writing this class I was not aware about the capabilities
+ * of the KJob class -> lessons learned ;-)
+ */
+class ViewPropsApplier : public QObject
+{
+    Q_OBJECT
+
+public:
+    /**
+     * @param dir       Directory where the view properties should be applied to
+     *                  (including sub directories).
+     * @param viewProps View properties for the directory \a dir including its
+     *                  sub directories.
+     */
+    ViewPropsApplier(const KUrl& dir,
+                     const ViewProperties* viewProps = 0);
+    virtual ~ViewPropsApplier();
+
+signals:
+    void progress(const KUrl& dir, int count);
+    void completed();
+
+private slots:
+    void slotCompleted(const KUrl& dir);
+    void countSubDirs();
+
+private:
+    struct RootData {
+        int refCount;
+        const ViewProperties* viewProps;
+        ViewPropsApplier* rootApplier;
+    };
+
+    ViewPropsApplier(const KUrl& dir,
+                     RootData* rootData);
+
+
+    void start(const KUrl& dir);
+    void emitProgress(const KUrl& dir, int count);
+    void emitCompleted();
+
+    RootData* m_rootData;
+    KDirLister* m_dirLister;
+};
+
+#endif