save a pointer to save some casts

svn path=/trunk/playground/graphics/okular/; revision=641327

part.cpp

@@ -1601,7 +1601,7 @@ void Part::updateAboutBackendAction()
  * BrowserExtension class
  */
 BrowserExtension::BrowserExtension(Part* parent)
-: KParts::BrowserExtension( parent )
+    : KParts::BrowserExtension( parent ), m_part( parent )
 {
     emit enableAction("print", true);
     setURLDropHandlingEnabled(true);
@@ -1610,7 +1610,7 @@ BrowserExtension::BrowserExtension(Part* parent)
 
 void BrowserExtension::print()
 {
-    static_cast<Part*>(parent())->slotPrint();
+    m_part->slotPrint();
 }
 
 

part.h

@@ -241,6 +241,9 @@ class BrowserExtension : public KParts::BrowserExtension
     public slots:
         // Automatically detected by the host.
         void print();
+
+    private:
+        Part *m_part;
 };
 #endif