Ported to Qt5

[evaf] / src / libs / Common / eventqueue.cpp

diff --git a/src/libs/Common/eventqueue.cpp b/src/libs/Common/eventqueue.cpp
index 795224c8fbc42022801da892670789897e54b59f..647d892368ecbcdc13302da68086861ab795805b 100644 (file)
--- a/src/libs/Common/eventqueue.cpp
+++ b/src/libs/Common/eventqueue.cpp
@@ -62,26 +62,20 @@ bool EventQueue::event(QEvent * e)
         uint id = event->id();
 
         // Verify that this event is registered
-        QHash<uint, QString>::const_iterator eventsIt = mEvents.constFind(id);
+        Events::const_iterator eventsIt = mEvents.constFind(id);
         if (eventsIt == mEvents.constEnd()) {
             return true; // We don't know it, but it is an eVaf event and we should handle it
         }
 
         // Send the event to all the subscribers
-        QHash<uint, QVector<QWeakPointer<QObject> > >::const_iterator subscribersIt = mSubscribers.constFind(id);
+        Subscribers::const_iterator subscribersIt = mSubscribers.constFind(id);
         if (subscribersIt != mSubscribers.constEnd()) {
-            QVector<QWeakPointer<QObject> > subscribers = *subscribersIt;
-            int sz = subscribers.size();
+            QVector<QObject *> subscribers = *subscribersIt;
+            int const sz = subscribers.size();
             for (int i = 0; i < sz; ++i) {
 
-                // Get the subscriber object and make sure that it is still alive
-                QWeakPointer<QObject> obj = subscribers.at(i);
-                if (obj.isNull()) {
-                    continue;
-                }
-
                 // Notify the subscriber
-                bool rval = QCoreApplication::sendEvent(obj.data(), e);
+                bool const rval = QCoreApplication::sendEvent(subscribers.at(i), e);
 
                 if (rval) {
                     // The event was consumed and should be sent to any other subscribers
@@ -133,7 +127,9 @@ uint EventQueue::subscribeEvent(uint id, QObject * obj)
     if (mSubscribers[id].indexOf(obj) != -1)
         return id;
 
+    // Add to the list of subscribers and connect to the destroyed() signal
     mSubscribers[id].append(obj);
+    connect(obj, SIGNAL(destroyed(QObject *)), this, SLOT(subscriberDestroyed(QObject *)));
 
     return id;
 }
@@ -148,13 +144,16 @@ void EventQueue::unsubscribeEvent(uint id, QObject * obj)
         return;
 
     // Remove from the list of subscribers
-    QVector<QWeakPointer<QObject> >::iterator it = mSubscribers[id].begin();
-    QVector<QWeakPointer<QObject> >::iterator e = mSubscribers[id].end();
+    QVector<QObject *>::iterator it = mSubscribers[id].begin();
+    QVector<QObject *>::const_iterator e = mSubscribers[id].end();
     while (it != e) {
-        if (!it->isNull() && it->data() == obj)
+        if (*it == obj) {
             it = mSubscribers[id].erase(it);
-        else
+            disconnect(*it, SIGNAL(destroyed(QObject *)), this, SLOT(subscriberDestroyed(QObject*)));
+        }
+        else {
             ++it;
+        }
     }
 }
 
@@ -162,3 +161,16 @@ void EventQueue::broadcastEvent(Event * event)
 {
     QCoreApplication::postEvent(this, event);
 }
+
+void EventQueue::subscriberDestroyed(QObject * obj)
+{
+    // Remove the subscriber from all the subscriber lists
+    Subscribers::iterator it = mSubscribers.begin();
+    Subscribers::const_iterator e = mSubscribers.end();
+    for (; it != e; ++it) {
+        int const idx = it->indexOf(obj);
+        if (idx != -1) {
+            it->remove(idx);
+        }
+    }
+}