Merge remote-tracking branch 'origin/KDE/4.10'

[dolphin.git] / src / views / versioncontrol / versioncontrolobserver.cpp

diff --git a/src/views/versioncontrol/versioncontrolobserver.cpp b/src/views/versioncontrol/versioncontrolobserver.cpp
index bbabd2e4e115fd1fa3606bf4e822f1b5024a642b..402a2de54c1644169ceae455486050015461ff7e 100644 (file)
--- a/src/views/versioncontrol/versioncontrolobserver.cpp
+++ b/src/views/versioncontrol/versioncontrolobserver.cpp
@@ -90,7 +90,17 @@ KFileItemModel* VersionControlObserver::model() const
 QList<QAction*> VersionControlObserver::actions(const KFileItemList& items) const
 {
     QList<QAction*> actions;
-    if (!m_model) {
+
+    bool hasNullItems = false;
+    foreach (const KFileItem& item, items) {
+        if (item.isNull()) {
+            kWarning() << "Requesting version-control-actions for empty items";
+            hasNullItems = true;
+            break;
+        }
+    }
+
+    if (!m_model || hasNullItems) {
         return actions;
     }
 
@@ -98,12 +108,7 @@ QList<QAction*> VersionControlObserver::actions(const KFileItemList& items) cons
     if (pluginV2) {
         // Use version 2 of the KVersionControlPlugin which allows providing actions
         // also for non-versioned directories.
-        if (m_updateItemStatesThread && m_updateItemStatesThread->lockPlugin()) {
-            actions = pluginV2->actions(items);
-            m_updateItemStatesThread->unlockPlugin();
-        } else {
-            actions = pluginV2->actions(items);
-        }
+        actions = pluginV2->actions(items);
     } else if (isVersioned()) {
         // Support deprecated interfaces from KVersionControlPlugin version 1.
         // Context menu actions where only available for versioned directories.
@@ -115,14 +120,8 @@ QList<QAction*> VersionControlObserver::actions(const KFileItemList& items) cons
             }
         }
 
-        if (m_updateItemStatesThread && m_updateItemStatesThread->lockPlugin()) {
-            actions = directory.isEmpty() ? m_plugin->contextMenuActions(items)
-                                          : m_plugin->contextMenuActions(directory);
-            m_updateItemStatesThread->unlockPlugin();
-        } else {
-            actions = directory.isEmpty() ? m_plugin->contextMenuActions(items)
-                                          : m_plugin->contextMenuActions(directory);
-        }
+        actions = directory.isEmpty() ? m_plugin->contextMenuActions(items)
+                                      : m_plugin->contextMenuActions(directory);
     }
 
     return actions;
@@ -228,20 +227,12 @@ void VersionControlObserver::slotThreadFinished()
 void VersionControlObserver::updateItemStates()
 {
     Q_ASSERT(m_plugin);
-    if (!m_updateItemStatesThread) {
-        m_updateItemStatesThread = new UpdateItemStatesThread();
-        connect(m_updateItemStatesThread, SIGNAL(finished()),
-                this, SLOT(slotThreadFinished()));
-        connect(m_updateItemStatesThread, SIGNAL(finished()),
-                m_updateItemStatesThread, SLOT(deleteLater()));
-    }
-    if (m_updateItemStatesThread->isRunning()) {
+    if (m_updateItemStatesThread) {
         // An update is currently ongoing. Wait until the thread has finished
         // the update (see slotThreadFinished()).
         m_pendingItemStatesUpdate = true;
         return;
     }
-
     QList<ItemState> itemStates;
     const int itemCount = m_model->count();
     itemStates.reserve(itemCount);
@@ -259,7 +250,12 @@ void VersionControlObserver::updateItemStates()
         if (!m_silentUpdate) {
             emit infoMessage(i18nc("@info:status", "Updating version information..."));
         }
-        m_updateItemStatesThread->setData(m_plugin, itemStates);
+        m_updateItemStatesThread = new UpdateItemStatesThread(m_plugin, itemStates);
+        connect(m_updateItemStatesThread, SIGNAL(finished()),
+                this, SLOT(slotThreadFinished()));
+        connect(m_updateItemStatesThread, SIGNAL(finished()),
+                m_updateItemStatesThread, SLOT(deleteLater()));
+
         m_updateItemStatesThread->start(); // slotThreadFinished() is called when finished
     }
 }