cancel doesn't cancel printing

regression from

commit e0ad036eed6b151ea81311fcf9ba46f1726b103c
Author: Luboš Luňák <l.lunak@collabora.com>
Date:   Thu Feb 19 16:39:06 2015 +0100

mailmerge doesn't need to use the singlefile technique for printing

Change-Id: Ib1a7ae3033c03d13ba930cb6b94d85bd8041334c

2 files changed, 11 insertions, 8 deletions

diff --git a/include/vcl/print.hxx b/include/vcl/print.hxx
index e6d3b28c1638..7fe9e7926d71 100644
--- a/include/vcl/print.hxx
+++ b/include/vcl/print.hxx
@@ -408,7 +408,7 @@ public:
 
     // These 3 together are more modular PrintJob(), allowing printing more documents as one print job
     // by repeated calls to ExecutePrintJob(). Used by mailmerge.
-    static void                 PreparePrintJob( std::shared_ptr<vcl::PrinterController> i_pController,
+    static bool                 PreparePrintJob( std::shared_ptr<vcl::PrinterController> i_pController,
                                         const JobSetup& i_rInitSetup );
     static bool                 ExecutePrintJob( std::shared_ptr<vcl::PrinterController> i_pController );
     static void                 FinishPrintJob( std::shared_ptr<vcl::PrinterController> i_pController );
diff --git a/vcl/source/gdi/print3.cxx b/vcl/source/gdi/print3.cxx
index 6b181b6155a9..e55329389d5d 100644
--- a/vcl/source/gdi/print3.cxx
+++ b/vcl/source/gdi/print3.cxx
@@ -297,7 +297,7 @@ void Printer::PrintJob(const std::shared_ptr<PrinterController>& i_xController,
     }
 }
 
-void Printer::PreparePrintJob(std::shared_ptr<PrinterController> xController,
+bool Printer::PreparePrintJob(std::shared_ptr<PrinterController> xController,
                            const JobSetup& i_rInitSetup)
 {
     // check if there is a default printer; if not, show an error box (if appropriate)
@@ -459,7 +459,7 @@ void Printer::PreparePrintJob(std::shared_ptr<PrinterController> xController,
                 nullptr, "ErrorNoContentDialog",
                 "vcl/ui/errornocontentdialog.ui");
             aBox->Execute();
-            return;
+            return false;
         }
     }
 
@@ -476,7 +476,7 @@ void Printer::PreparePrintJob(std::shared_ptr<PrinterController> xController,
             if( ! aDlg->Execute() )
             {
                 xController->abortJob();
-                return;
+                return false;
             }
             if( aDlg->isPrintToFile() )
             {
@@ -484,7 +484,7 @@ void Printer::PreparePrintJob(std::shared_ptr<PrinterController> xController,
                 if( aFile.isEmpty() )
                 {
                     xController->abortJob();
-                    return;
+                    return false;
                 }
                 xController->setValue( OUString( "LocalFileName" ),
                                        makeAny( aFile ) );
@@ -501,6 +501,7 @@ void Printer::PreparePrintJob(std::shared_ptr<PrinterController> xController,
     }
 
     xController->pushPropertiesToPrinter();
+    return true;
 }
 
 bool Printer::ExecutePrintJob(std::shared_ptr<PrinterController> xController)
@@ -522,9 +523,11 @@ void Printer::FinishPrintJob(std::shared_ptr<PrinterController> xController)
 void Printer::ImplPrintJob(std::shared_ptr<PrinterController> xController,
                            const JobSetup& i_rInitSetup)
 {
-    PreparePrintJob( xController, i_rInitSetup );
-    ExecutePrintJob( xController );
-    FinishPrintJob( xController );
+    if (PreparePrintJob(xController, i_rInitSetup))
+    {
+        ExecutePrintJob( xController );
+        FinishPrintJob( xController );
+    }
 }
 
 bool Printer::StartJob( const OUString& i_rJobName, std::shared_ptr<vcl::PrinterController>& i_xController)