[Libreoffice-commits] core.git: vcl/source

[Libreoffice Gerrit user]

 vcl/source/window/accessibility.cxx |   14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

New commits:
commit 8dc8b22997138ff51b2e1b806a2a42f3b363d58f
Author:     Samuel Mehrbrodt <samuel.mehrbr...@cib.de>
AuthorDate: Thu Sep 27 12:28:16 2018 +0200
Commit:     Samuel Mehrbrodt <samuel.mehrbr...@cib.de>
CommitDate: Fri Sep 28 08:52:21 2018 +0200

    Guard against invalid states
    
    Happened while trying the qt5 a11y stuff that mpWindowImpl was invalid.
    
    Change-Id: Ibe238bdcce6410689b1e65f7f45f7b9deea06de7
    Reviewed-on: https://gerrit.libreoffice.org/61032
    Tested-by: Jenkins
    Reviewed-by: Samuel Mehrbrodt <samuel.mehrbr...@cib.de>

diff --git a/vcl/source/window/accessibility.cxx 
b/vcl/source/window/accessibility.cxx
index 7500f0507a34..947ddd87a7bd 100644
--- a/vcl/source/window/accessibility.cxx
+++ b/vcl/source/window/accessibility.cxx
@@ -170,7 +170,7 @@ bool Window::ImplIsAccessibleNativeFrame() const
 
 vcl::Window* Window::GetAccessibleParentWindow() const
 {
-    if ( ImplIsAccessibleNativeFrame() )
+    if (!mpWindowImpl || ImplIsAccessibleNativeFrame())
         return nullptr;
 
     vcl::Window* pParent = mpWindowImpl->mpParent;
@@ -203,6 +203,9 @@ vcl::Window* Window::GetAccessibleParentWindow() const
 
 sal_uInt16 Window::GetAccessibleChildWindowCount()
 {
+    if (!mpWindowImpl)
+        return 0;
+
     sal_uInt16 nChildren = 0;
     vcl::Window* pChild = mpWindowImpl->mpFirstChild;
     while( pChild )
@@ -407,6 +410,9 @@ sal_uInt16 Window::getDefaultAccessibleRole() const
 
 sal_uInt16 Window::GetAccessibleRole() const
 {
+    if (!mpWindowImpl)
+        return 0;
+
     sal_uInt16 nRole = mpWindowImpl->mpAccessibleInfos ? 
mpWindowImpl->mpAccessibleInfos->nAccessibleRole : 0xFFFF;
     if ( nRole == 0xFFFF )
         nRole = getDefaultAccessibleRole();
@@ -427,6 +433,9 @@ void Window::SetAccessibleName( const OUString& rName )
 
 OUString Window::GetAccessibleName() const
 {
+    if (!mpWindowImpl)
+        return OUString();
+
     if (mpWindowImpl->mpAccessibleInfos && 
mpWindowImpl->mpAccessibleInfos->pAccessibleName)
         return *mpWindowImpl->mpAccessibleInfos->pAccessibleName;
     return getDefaultAccessibleName();
@@ -506,6 +515,9 @@ void Window::SetAccessibleDescription( const OUString& 
rDescription )
 
 OUString Window::GetAccessibleDescription() const
 {
+    if (!mpWindowImpl)
+        return OUString();
+
     OUString aAccessibleDescription;
     if ( mpWindowImpl->mpAccessibleInfos && 
mpWindowImpl->mpAccessibleInfos->pAccessibleDescription )
     {
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