tdf#89329: use unique_ptr for pImpl in accessiblestatesethelper

Change-Id: I768bfd5a19a2633e6d6cd37f919c20cbfc76824e
Reviewed-on: https://gerrit.libreoffice.org/25905Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

include/unotools/accessiblestatesethelper.hxx

@@ -29,6 +29,7 @@
 #include <osl/mutex.hxx>
 #include <cppuhelper/implbase1.hxx>
 #include <comphelper/servicehelper.hxx>
+#include <memory>
 
 class AccessibleStateSetHelperImpl;
 
@@ -144,7 +145,7 @@ protected:
 
 private:
     /// The implementation of this helper interface.
-    AccessibleStateSetHelperImpl*   mpHelperImpl;
+    std::unique_ptr<AccessibleStateSetHelperImpl>   mpHelperImpl;
 };
 
 }

unotools/source/accessibility/accessiblestatesethelper.cxx

@@ -126,31 +126,27 @@ inline void AccessibleStateSetHelperImpl::RemoveState(sal_Int16 aState)
 //=====  internal  ============================================================
 
 AccessibleStateSetHelper::AccessibleStateSetHelper ()
-    : mpHelperImpl(nullptr)
+    : mpHelperImpl(new AccessibleStateSetHelperImpl)
 {
-    mpHelperImpl = new AccessibleStateSetHelperImpl();
 }
 
 AccessibleStateSetHelper::AccessibleStateSetHelper ( const sal_Int64 _nInitialStates )
-    : mpHelperImpl(nullptr)
+    : mpHelperImpl(new AccessibleStateSetHelperImpl)
 {
-    mpHelperImpl = new AccessibleStateSetHelperImpl();
     mpHelperImpl->AddStates( _nInitialStates );
 }
 
 AccessibleStateSetHelper::AccessibleStateSetHelper (const AccessibleStateSetHelper& rHelper)
     : cppu::WeakImplHelper1<XAccessibleStateSet>()
-    , mpHelperImpl(nullptr)
 {
     if (rHelper.mpHelperImpl)
-        mpHelperImpl = new AccessibleStateSetHelperImpl(*rHelper.mpHelperImpl);
+        mpHelperImpl.reset(new AccessibleStateSetHelperImpl(*rHelper.mpHelperImpl));
     else
-        mpHelperImpl = new AccessibleStateSetHelperImpl();
+        mpHelperImpl.reset(new AccessibleStateSetHelperImpl());
 }
 
 AccessibleStateSetHelper::~AccessibleStateSetHelper()
 {
-    delete mpHelperImpl;
 }
 
 //=====  XAccessibleStateSet  ==============================================