use comphelper::WeakComponentImplHelper in ValueSetAcc

and remove unnecessary use of SolarMutex, the fields
are already protected by mutex and the locked region
doesn't call into vcl.

Change-Id: Ia010674b14fafe2bfac27956af71fb557a4df212
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127408
Tested-by: Jenkins
Reviewed-by: Noel Grandin <[email protected]>

Author: grandinj

svtools/source/control/valueacc.cxx

@@ -418,7 +418,6 @@ void ValueItemAcc::FireAccessibleEvent( short nEventId, const uno::Any& rOldValu
 }
 
 ValueSetAcc::ValueSetAcc( ValueSet* pParent ) :
-    ValueSetAccComponentBase (m_aMutex),
     mpParent( pParent ),
     mbIsFocused(false)
 {
@@ -661,7 +660,7 @@ lang::Locale SAL_CALL ValueSetAcc::getLocale()
 void SAL_CALL ValueSetAcc::addAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener )
 {
     ThrowIfDisposed();
-    ::osl::MutexGuard aGuard (m_aMutex);
+    std::unique_lock aGuard (m_aMutex);
 
     if( !rxListener.is() )
            return;
@@ -685,7 +684,7 @@ void SAL_CALL ValueSetAcc::addAccessibleEventListener( const uno::Reference< acc
 void SAL_CALL ValueSetAcc::removeAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener )
 {
     ThrowIfDisposed();
-    ::osl::MutexGuard aGuard (m_aMutex);
+    std::unique_lock aGuard (m_aMutex);
 
     if( rxListener.is() )
     {
@@ -911,21 +910,19 @@ sal_Int64 SAL_CALL ValueSetAcc::getSomething( const uno::Sequence< sal_Int8 >& r
 }
 
 
-void SAL_CALL ValueSetAcc::disposing()
+void ValueSetAcc::disposing(std::unique_lock<std::mutex>& rGuard)
 {
-    ::std::vector<uno::Reference<accessibility::XAccessibleEventListener> > aListenerListCopy;
+    // Make a copy of the list and clear the original.
+    ::std::vector<uno::Reference<accessibility::XAccessibleEventListener> > aListenerListCopy = std::move(mxEventListeners);
 
-    {
-        // Make a copy of the list and clear the original.
-        const SolarMutexGuard aSolarGuard;
-        ::osl::MutexGuard aGuard (m_aMutex);
-        aListenerListCopy.swap(mxEventListeners);
-
-        // Reset the pointer to the parent.  It has to be the one who has
-        // disposed us because he is dying.
-        mpParent = nullptr;
-    }
+    // Reset the pointer to the parent.  It has to be the one who has
+    // disposed us because he is dying.
+    mpParent = nullptr;
+
+    if (aListenerListCopy.empty())
+        return;
 
+    rGuard.unlock();
     // Inform all listeners that this objects is disposing.
     lang::EventObject aEvent (static_cast<accessibility::XAccessible*>(this));
     for (auto const& listenerCopy : aListenerListCopy)
@@ -974,7 +971,7 @@ ValueSetItem* ValueSetAcc::getItem (sal_uInt16 nIndex) const
 
 void ValueSetAcc::ThrowIfDisposed()
 {
-    if (rBHelper.bDisposed || rBHelper.bInDispose)
+    if (m_bDisposed)
     {
         SAL_WARN("svx", "Calling disposed object. Throwing exception:");
         throw lang::DisposedException (

svtools/source/control/valueimp.hxx

@@ -23,8 +23,7 @@
 #include <tools/color.hxx>
 #include <vcl/image.hxx>
 #include <cppuhelper/implbase.hxx>
-#include <cppuhelper/compbase.hxx>
-#include <cppuhelper/basemutex.hxx>
+#include <comphelper/compbase.hxx>
 #include <com/sun/star/lang/XUnoTunnel.hpp>
 #include <com/sun/star/accessibility/XAccessible.hpp>
 #include <com/sun/star/accessibility/XAccessibleContext.hpp>
@@ -68,7 +67,7 @@ struct ValueSetItem
                         GetAccessible( bool bIsTransientChildrenDisabled );
 };
 
-typedef ::cppu::WeakComponentImplHelper<
+typedef comphelper::WeakComponentImplHelper<
     css::accessibility::XAccessible,
     css::accessibility::XAccessibleEventBroadcaster,
     css::accessibility::XAccessibleContext,
@@ -77,9 +76,7 @@ typedef ::cppu::WeakComponentImplHelper<
     css::lang::XUnoTunnel >
     ValueSetAccComponentBase;
 
-class ValueSetAcc :
-    public ::cppu::BaseMutex,
-    public ValueSetAccComponentBase
+class ValueSetAcc final : public ValueSetAccComponentBase
 {
 public:
 
@@ -156,7 +153,7 @@ private:
     /** Tell all listeners that the object is dying.  This callback is
         usually called from the WeakComponentImplHelper class.
     */
-    virtual void SAL_CALL disposing() override;
+    virtual void disposing(std::unique_lock<std::mutex>&) override;
 
     /** Return the number of items.  This takes the None-Item into account.
     */