KDirectoryContentsCounter: don't schedule scanning a folder already in the Queue

Use a QLinkedList to check for presence in the queue.

merge request !2

2 files changed, 6 insertions, 4 deletions

diff --git a/src/kitemviews/private/kdirectorycontentscounter.cpp b/src/kitemviews/private/kdirectorycontentscounter.cpp
index a19bce8b3..a0ed8c27c 100644
--- a/src/kitemviews/private/kdirectorycontentscounter.cpp
+++ b/src/kitemviews/private/kdirectorycontentscounter.cpp
@@ -104,7 +104,7 @@ void KDirectoryContentsCounter::slotResult(const QString& path, int count, long
     }
 
     if (!m_queue.isEmpty()) {
-        startWorker(m_queue.dequeue());
+        startWorker(m_queue.takeFirst());
     }
 
     if (s_cache->contains(resolvedPath)) {
@@ -175,7 +175,9 @@ void KDirectoryContentsCounter::startWorker(const QString& path)
     }
 
     if (m_workerIsBusy) {
-        m_queue.enqueue(path);
+        if (!m_queue.contains(path)) {
+            m_queue.append(path);
+        }
     } else {
         KDirectoryContentsCounterWorker::Options options;
 
diff --git a/src/kitemviews/private/kdirectorycontentscounter.h b/src/kitemviews/private/kdirectorycontentscounter.h
index 0c900ec64..287227bff 100644
--- a/src/kitemviews/private/kdirectorycontentscounter.h
+++ b/src/kitemviews/private/kdirectorycontentscounter.h
@@ -23,7 +23,7 @@
 
 #include "kdirectorycontentscounterworker.h"
 
-#include <QQueue>
+#include <QLinkedList>
 #include <QSet>
 #include <QHash>
 
@@ -72,7 +72,7 @@ private:
 private:
     KFileItemModel* m_model;
 
-    QQueue<QString> m_queue;
+    QLinkedList<QString> m_queue;
 
     static QThread* m_workerThread;