UI: HostInfoCache: Abort lookups on exit.

src/ui/util/net/hostinfocache.cpp

@@ -11,6 +11,12 @@ HostInfoCache::HostInfoCache(QObject *parent) :
     connect(&m_triggerTimer, &QTimer::timeout, this, &HostInfoCache::cacheChanged);
 }
 
+HostInfoCache::~HostInfoCache()
+{
+    clear();
+    abort();
+}
+
 QString HostInfoCache::hostName(const QString &address)
 {
     HostInfo *hostInfo = m_cache.object(address);
@@ -33,6 +39,11 @@ void HostInfoCache::clear()
     emitCacheChanged();
 }
 
+void HostInfoCache::abort()
+{
+    m_manager->abort();
+}
+
 void HostInfoCache::handleFinishedLookup(const QString &address, const QString &hostName)
 {
     HostInfo *hostInfo = m_cache.object(address);

src/ui/util/net/hostinfocache.h

@@ -15,6 +15,7 @@ class HostInfoCache : public QObject
 
 public:
     explicit HostInfoCache(QObject *parent = nullptr);
+    ~HostInfoCache() override;
 
 signals:
     void cacheChanged();
@@ -23,6 +24,7 @@ public slots:
     QString hostName(const QString &address);
 
     void clear();
+    void abort();
 
 private slots:
     void handleFinishedLookup(const QString &address, const QString &hostName);

src/ui/util/worker/workermanager.cpp

@@ -12,6 +12,7 @@ WorkerManager::WorkerManager(QObject *parent) : QObject(parent) { }
 
 WorkerManager::~WorkerManager()
 {
+    clear();
     abort();
 }
 

src/ui/util/worker/workermanager.h

@@ -22,6 +22,8 @@ public:
     ~WorkerManager() override;
     CLASS_DELETE_COPY_MOVE(WorkerManager)
 
+    bool aborted() const { return m_aborted; }
+
     int maxWorkersCount() const { return m_maxWorkersCount; }
     void setMaxWorkersCount(int v) { m_maxWorkersCount = v; }
 
@@ -29,6 +31,7 @@ signals:
 
 public slots:
     void clear();
+    void abort();
 
     void enqueueJob(WorkerJob *job);
     WorkerJob *dequeueJob();
@@ -40,9 +43,6 @@ public slots:
 protected:
     virtual WorkerObject *createWorker();
 
-    bool aborted() const { return m_aborted; }
-    void abort();
-
 private:
     void setupWorker();