Memory safety

Author: nyalldawson

src/app/qgslayertreeviewembeddedindicator.cpp

@@ -53,12 +53,12 @@ void QgsLayerTreeViewEmbeddedIndicatorProvider::onAddedChildren( QgsLayerTreeNod
   }
 }
 
-QgsLayerTreeViewIndicator *QgsLayerTreeViewEmbeddedIndicatorProvider::newIndicator( const QString &project )
+std::unique_ptr< QgsLayerTreeViewIndicator > QgsLayerTreeViewEmbeddedIndicatorProvider::newIndicator( const QString &project )
 {
-  QgsLayerTreeViewIndicator *indicator = new QgsLayerTreeViewIndicator( this );
+  std::unique_ptr< QgsLayerTreeViewIndicator > indicator = qgis::make_unique< QgsLayerTreeViewIndicator >( this );
   indicator->setIcon( mIcon );
   indicator->setToolTip( tr( "Embedded from <b>%1</b>" ).arg( project ) );
-  mIndicators.insert( indicator );
+  mIndicators.insert( indicator.get() );
   return indicator;
 }
 
@@ -85,5 +85,5 @@ void QgsLayerTreeViewEmbeddedIndicatorProvider::addIndicatorForEmbeddedLayer( Qg
   }
 
   // it does not exist: need to create a new one
-  mLayerTreeView->addIndicator( node, newIndicator( project ) );
+  mLayerTreeView->addIndicator( node, newIndicator( project ).release() );
 }

src/app/qgslayertreeviewembeddedindicator.h

@@ -19,6 +19,7 @@
 #include "qgslayertreeviewindicator.h"
 
 #include <QSet>
+#include <memory>
 
 class QgsLayerTreeNode;
 class QgsLayerTreeView;
@@ -35,7 +36,7 @@ class QgsLayerTreeViewEmbeddedIndicatorProvider : public QObject
     void onAddedChildren( QgsLayerTreeNode *node, int indexFrom, int indexTo );
 
   private:
-    QgsLayerTreeViewIndicator *newIndicator( const QString &project );
+    std::unique_ptr< QgsLayerTreeViewIndicator > newIndicator( const QString &project );
     void addIndicatorForEmbeddedLayer( QgsLayerTreeNode *node );
 
   private:

src/app/qgslayertreeviewfilterindicator.cpp

@@ -151,19 +151,19 @@ void QgsLayerTreeViewFilterIndicatorProvider::onIndicatorClicked( const QModelIn
     vlayer->setSubsetString( qb.sql() );
 }
 
-QgsLayerTreeViewIndicator *QgsLayerTreeViewFilterIndicatorProvider::newIndicator( const QString &filter )
+std::unique_ptr<QgsLayerTreeViewIndicator> QgsLayerTreeViewFilterIndicatorProvider::newIndicator( const QString &filter )
 {
-  QgsLayerTreeViewIndicator *indicator = new QgsLayerTreeViewIndicator( this );
+  std::unique_ptr< QgsLayerTreeViewIndicator > indicator = qgis::make_unique< QgsLayerTreeViewIndicator >( this );
   indicator->setIcon( mIcon );
-  updateIndicator( indicator, filter );
-  connect( indicator, &QgsLayerTreeViewIndicator::clicked, this, &QgsLayerTreeViewFilterIndicatorProvider::onIndicatorClicked );
-  mIndicators.insert( indicator );
+  updateIndicator( indicator.get(), filter );
+  connect( indicator.get(), &QgsLayerTreeViewIndicator::clicked, this, &QgsLayerTreeViewFilterIndicatorProvider::onIndicatorClicked );
+  mIndicators.insert( indicator.get() );
   return indicator;
 }
 
 void QgsLayerTreeViewFilterIndicatorProvider::updateIndicator( QgsLayerTreeViewIndicator *indicator, const QString &filter )
 {
-  indicator->setToolTip( QString( "<b>%1:</b><br>%2" ).arg( tr( "Filter" ) ).arg( filter ) );
+  indicator->setToolTip( QStringLiteral( "<b>%1:</b><br>%2" ).arg( tr( "Filter" ), filter ) );
 }
 
 
@@ -185,7 +185,7 @@ void QgsLayerTreeViewFilterIndicatorProvider::addOrRemoveIndicator( QgsLayerTree
     }
 
     // it does not exist: need to create a new one
-    mLayerTreeView->addIndicator( node, newIndicator( filter ) );
+    mLayerTreeView->addIndicator( node, newIndicator( filter ).release() );
   }
   else
   {

src/app/qgslayertreeviewfilterindicator.h

@@ -19,6 +19,7 @@
 #include "qgslayertreeviewindicator.h"
 
 #include <QSet>
+#include <memory>
 
 class QgsLayerTreeNode;
 class QgsLayerTreeView;
@@ -45,7 +46,7 @@ class QgsLayerTreeViewFilterIndicatorProvider : public QObject
     void onIndicatorClicked( const QModelIndex &index );
 
   private:
-    QgsLayerTreeViewIndicator *newIndicator( const QString &filter );
+    std::unique_ptr< QgsLayerTreeViewIndicator > newIndicator( const QString &filter );
     void updateIndicator( QgsLayerTreeViewIndicator *indicator, const QString &filter );
     void addOrRemoveIndicator( QgsLayerTreeNode *node, QgsVectorLayer *vlayer );