assign network access manager to QWebPages (fixes #10189)

Author: jef-n

src/core/composer/qgscomposerhtml.cpp

@@ -17,6 +17,8 @@
 #include "qgscomposerframe.h"
 #include "qgscomposition.h"
 #include "qgsaddremovemultiframecommand.h"
+#include "qgsnetworkaccessmanager.h"
+
 #include <QCoreApplication>
 #include <QPainter>
 #include <QWebFrame>
@@ -32,6 +34,7 @@ QgsComposerHtml::QgsComposerHtml( QgsComposition* c, bool createUndoCommands ):
 {
   mHtmlUnitsToMM = htmlUnitsToMM();
   mWebPage = new QWebPage();
+  mWebPage->setNetworkAccessManager( QgsNetworkAccessManager::instance() );
   QObject::connect( mWebPage, SIGNAL( loadFinished( bool ) ), this, SLOT( frameLoaded( bool ) ) );
   if ( mComposition )
   {

src/core/composer/qgscomposerlabel.cpp

@@ -18,6 +18,8 @@
 #include "qgscomposerlabel.h"
 #include "qgscomposition.h"
 #include "qgsexpression.h"
+#include "qgsnetworkaccessmanager.h"
+
 #include <QCoreApplication>
 #include <QDate>
 #include <QDomElement>
@@ -87,7 +89,8 @@ void QgsComposerLabel::paint( QPainter* painter, const QStyleOptionGraphicsItem*
   {
     painter->scale( 1.0 / mHtmlUnitsToMM / 10.0, 1.0 / mHtmlUnitsToMM / 10.0 );
 
-    QWebPage* webPage = new QWebPage();
+    QWebPage *webPage = new QWebPage();
+    webPage->setNetworkAccessManager( QgsNetworkAccessManager::instance() );
 
     //Setup event loop and timeout for rendering html
     QEventLoop loop;

src/gui/qgshtmlannotationitem.cpp

@@ -24,6 +24,7 @@
 #include "qgsmaptool.h"
 #include "qgsvectorlayer.h"
 #include "qgsexpression.h"
+#include "qgsnetworkaccessmanager.h"
 
 #include <QDomElement>
 #include <QDir>
@@ -40,6 +41,8 @@ QgsHtmlAnnotationItem::QgsHtmlAnnotationItem( QgsMapCanvas* canvas, QgsVectorLay
     mHasAssociatedFeature( hasFeature ), mFeatureId( feature )
 {
   mWebView = new QWebView();
+  mWebView->page()->setNetworkAccessManager( QgsNetworkAccessManager::instance() );
+
   mWidgetContainer = new QGraphicsProxyWidget( this );
   mWidgetContainer->setWidget( mWebView );