Sourcecode hierarchy cleanup: Move folders "tooltips" and "versioncontrol" into "views"

svn path=/trunk/KDE/kdebase/apps/; revision=1154151

1 files changed, 84 insertions, 0 deletions

diff --git a/src/views/versioncontrol/updateitemstatesthread.h b/src/views/versioncontrol/updateitemstatesthread.h
new file mode 100644
index 000000000..9fac6192c
--- /dev/null
+++ b/src/views/versioncontrol/updateitemstatesthread.h
@@ -0,0 +1,84 @@
+/***************************************************************************
+ *   Copyright (C) 2009 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 UPDATEITEMSTATESTHREAD_H
+#define UPDATEITEMSTATESTHREAD_H
+
+#include <libdolphin_export.h>
+#include <views/versioncontrol/versioncontrolobserver.h>
+
+#include <QMutex>
+#include <QThread>
+
+class KVersionControlPlugin;
+
+/**
+ * The performance of updating the version state of items depends
+ * on the used plugin. To prevent that Dolphin gets blocked by a
+ * slow plugin, the updating is delegated to a thread.
+ */
+class LIBDOLPHINPRIVATE_EXPORT UpdateItemStatesThread : public QThread
+{
+    Q_OBJECT
+
+public:
+    UpdateItemStatesThread();
+    virtual ~UpdateItemStatesThread();
+
+    /**
+     * @param plugin     Version control plugin that is used to update the
+     *                   state of the items. Whenever the plugin is accessed
+     *                   from the thread creator after starting the thread,
+     *                   UpdateItemStatesThread::lockPlugin() and
+     *                   UpdateItemStatesThread::unlockPlugin() must be used.
+     * @param itemStates List of items, where the states get updated.
+     */
+    void setData(KVersionControlPlugin* plugin,
+                 const QList<VersionControlObserver::ItemState>& itemStates);
+
+    /**
+     * Whenever the plugin is accessed by the thread creator, lockPlugin() must
+     * be invoked. True is returned, if the plugin could be locked within 300
+     * milliseconds.
+     */
+    bool lockPlugin();
+
+    /**
+     * Must be invoked if lockPlugin() returned true and plugin has been accessed
+     * by the thread creator.
+     */
+    void unlockPlugin();
+
+    QList<VersionControlObserver::ItemState> itemStates() const;
+
+    bool retrievedItems() const;
+
+protected:
+    virtual void run();
+
+private:
+    QMutex* m_globalPluginMutex; // Protects the m_plugin globally
+    KVersionControlPlugin* m_plugin;
+
+    mutable QMutex m_itemMutex; // Protects m_retrievedItems and m_itemStates
+    bool m_retrievedItems;
+    QList<VersionControlObserver::ItemState> m_itemStates;
+};
+
+#endif // UPDATEITEMSTATESTHREAD_H