don't use temporaries when uneeded

Summary:
Remove unused variable

Compiled, Run. Trash still there.

Use copy ellision

Remove uneeded code

Reviewers: #dolphin, elvisangelaccio

Reviewed By: #dolphin, elvisangelaccio

Subscribers: elvisangelaccio, kfm-devel

Tags: #dolphin

Differential Revision: https://phabricator.kde.org/D13680

src/dolphindockwidget.cpp

@@ -58,14 +58,6 @@ DolphinDockWidget::DolphinDockWidget(const QString& title, QWidget* parent, Qt::
     setFeatures(DefaultDockWidgetFeatures);
 }
 
-DolphinDockWidget::DolphinDockWidget(QWidget* parent, Qt::WindowFlags flags) :
-    QDockWidget(parent, flags),
-    m_locked(false),
-    m_dockTitleBar(nullptr)
-{
-    setFeatures(DefaultDockWidgetFeatures);
-}
-
 DolphinDockWidget::~DolphinDockWidget()
 {
 }

src/dolphindockwidget.h

@@ -30,8 +30,7 @@ class DolphinDockWidget : public QDockWidget
     Q_OBJECT
 
 public:
-    explicit DolphinDockWidget(const QString& title, QWidget* parent = nullptr, Qt::WindowFlags flags = nullptr);
-    explicit DolphinDockWidget(QWidget* parent = nullptr, Qt::WindowFlags flags = nullptr);
+    explicit DolphinDockWidget(const QString& title = QString(), QWidget* parent = nullptr, Qt::WindowFlags flags = nullptr);
     ~DolphinDockWidget() override;
 
     /**

src/panels/panel.cpp

@@ -64,8 +64,7 @@ void Panel::setUrl(const QUrl& url)
 
     const QUrl oldUrl = m_url;
     m_url = url;
-    const bool accepted = urlChanged();
-    if (!accepted) {
+    if (!urlChanged()) {
         m_url = oldUrl;
     }
 }

src/panels/places/placesitem.cpp

@@ -38,7 +38,6 @@ PlacesItem::PlacesItem(const KBookmark& bookmark, PlacesItem* parent) :
     m_disc(),
     m_mtp(),
     m_signalHandler(nullptr),
-    m_trashDirLister(nullptr),
     m_bookmark()
 {
     m_signalHandler = new PlacesItemSignalHandler(this);
@@ -48,7 +47,6 @@ PlacesItem::PlacesItem(const KBookmark& bookmark, PlacesItem* parent) :
 PlacesItem::~PlacesItem()
 {
     delete m_signalHandler;
-    delete m_trashDirLister;
 }
 
 void PlacesItem::setUrl(const QUrl &url)
@@ -59,7 +57,6 @@ void PlacesItem::setUrl(const QUrl &url)
     // setting an equal URL results in an itemsChanged()
     // signal.
     if (dataValue("url").toUrl() != url) {
-        delete m_trashDirLister;
         if (url.scheme() == QLatin1String("trash")) {
             QObject::connect(&Trash::instance(), &Trash::emptinessChanged, m_signalHandler.data(), &PlacesItemSignalHandler::onTrashEmptinessChanged);
         }

src/panels/places/placesitem.h

@@ -105,7 +105,6 @@ private:
     QPointer<Solid::OpticalDisc> m_disc;
     QPointer<Solid::PortableMediaPlayer> m_mtp;
     QPointer<PlacesItemSignalHandler> m_signalHandler;
-    QPointer<KDirLister> m_trashDirLister;
     KBookmark m_bookmark;
 
     friend class PlacesItemSignalHandler; // Calls onAccessibilityChanged()

src/panels/places/placesitemsignalhandler.cpp

@@ -45,8 +45,7 @@ void PlacesItemSignalHandler::onTearDownRequested(const QString& udi)
     if (m_item) {
         Solid::StorageAccess *tmp = m_item->device().as<Solid::StorageAccess>();
         if (tmp) {
-            QString mountPath = tmp->filePath();
-            emit tearDownExternallyRequested(mountPath);
+            emit tearDownExternallyRequested(tmp->filePath());
         }
     }
 }