tdf#44774: Parent style's msApiName could yet be empty; use GetApiName()cp-6.0-branch-point

Change-Id: Ie0e218ea83d34aa7ee22fea1f32b2851a942544f
Reviewed-on: https://gerrit.libreoffice.org/51069
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
(cherry picked from commit a8fc81d478f4dcf8600ed9a2b4e0f7adff4a17ee)
Reviewed-on: https://gerrit.libreoffice.org/51070
Reviewed-by: Andras Timar <andras.timar@collabora.com>

2 files changed, 31 insertions, 1 deletions

diff --git a/sd/qa/unit/misc-tests.cxx b/sd/qa/unit/misc-tests.cxx
index 78cf97a95361..e995d0146957 100644
--- a/sd/qa/unit/misc-tests.cxx
+++ b/sd/qa/unit/misc-tests.cxx
@@ -27,6 +27,7 @@
 #include <com/sun/star/drawing/XDrawPage.hpp>
 #include <com/sun/star/drawing/XShapes.hpp>
 #include <com/sun/star/container/XIndexAccess.hpp>
+#include <com/sun/star/frame/XLoadable.hpp>
 
 #include <vcl/scheduler.hxx>
 #include <osl/thread.hxx>
@@ -60,6 +61,7 @@ public:
     void testTdf99396();
     void testTdf99396TextEdit();
     void testFillGradient();
+    void testTdf44774();
 
     CPPUNIT_TEST_SUITE(SdMiscTest);
     CPPUNIT_TEST(testTdf96206);
@@ -67,6 +69,7 @@ public:
     CPPUNIT_TEST(testTdf99396);
     CPPUNIT_TEST(testTdf99396TextEdit);
     CPPUNIT_TEST(testFillGradient);
+    CPPUNIT_TEST(testTdf44774);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -298,6 +301,33 @@ void SdMiscTest::testFillGradient()
     CPPUNIT_ASSERT_EQUAL(sal_Int32(RGB_COLORDATA(0, 255, 0)),aGradient2.EndColor);
 }
 
+void SdMiscTest::testTdf44774()
+{
+    sd::DrawDocShellRef xDocShRef = new sd::DrawDocShell(SfxObjectCreateMode::EMBEDDED, false,
+        DocumentType::Draw);
+    const uno::Reference<frame::XLoadable> xLoadable(xDocShRef->GetModel(), uno::UNO_QUERY_THROW);
+    xLoadable->initNew();
+    SfxStyleSheetBasePool* pSSPool = xDocShRef->GetStyleSheetPool();
+
+    // Create a new style with an empty name, like what happens in UI when creating a new style
+    SfxStyleSheetBase& rStyleA = pSSPool->Make("", SfxStyleFamily::Para, SFXSTYLEBIT_USERDEF);
+    // Assign a new name, which does not yet set its ApiName
+    rStyleA.SetName("StyleA");
+    // Create another style
+    SfxStyleSheetBase& rStyleB = pSSPool->Make("StyleB", SfxStyleFamily::Para, SFXSTYLEBIT_USERDEF);
+    // ... and set its parent to the first one
+    rStyleB.SetParent("StyleA");
+
+    // Now save the file and reload
+    xDocShRef = saveAndReload(xDocShRef.get(), ODG);
+    pSSPool = xDocShRef->GetStyleSheetPool();
+
+    SfxStyleSheetBase* pStyle = pSSPool->Find("StyleB", SfxStyleFamily::Para);
+    CPPUNIT_ASSERT(pStyle);
+    // The parent set in StyleB used to reset, because parent style's msApiName was empty
+    CPPUNIT_ASSERT_EQUAL(OUString("StyleA"), pStyle->GetParent());
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(SdMiscTest);
 
 CPPUNIT_PLUGIN_IMPLEMENT();
diff --git a/sd/source/core/stlsheet.cxx b/sd/source/core/stlsheet.cxx
index 47ee855153d2..3cd669294b1a 100644
--- a/sd/source/core/stlsheet.cxx
+++ b/sd/source/core/stlsheet.cxx
@@ -873,7 +873,7 @@ OUString SAL_CALL SdStyleSheet::getParentStyle()
     {
         SdStyleSheet* pParentStyle = static_cast< SdStyleSheet* >( mxPool->Find( GetParent(), nFamily ) );
         if( pParentStyle )
-            return pParentStyle->msApiName;
+            return pParentStyle->GetApiName();
     }
     return OUString();
 }