LOK: support creating view with options

This adds a new API createViewWithOptions
that make createView similar to documentLoad,
which also has documentViewWithOptions version.
This is primarily to support setting per-view
language and similar settings.

Change-Id: I0ae5a5b2410cf9e053aee8f7c8a6204af9038a31
Reviewed-on: https://gerrit.libreoffice.org/68261
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>

2 files changed, 22 insertions, 3 deletions

diff --git a/desktop/qa/desktop_lib/test_desktop_lib.cxx b/desktop/qa/desktop_lib/test_desktop_lib.cxx
index 195cbbfd50d6..b3f6a7fb943d 100644
--- a/desktop/qa/desktop_lib/test_desktop_lib.cxx
+++ b/desktop/qa/desktop_lib/test_desktop_lib.cxx
@@ -2538,9 +2538,10 @@ void DesktopLOKTest::testABI()
     CPPUNIT_ASSERT_EQUAL(documentClassOffset(44), offsetof(struct _LibreOfficeKitDocumentClass, addCertificate));
     CPPUNIT_ASSERT_EQUAL(documentClassOffset(45), offsetof(struct _LibreOfficeKitDocumentClass, getSignatureState));
     CPPUNIT_ASSERT_EQUAL(documentClassOffset(46), offsetof(struct _LibreOfficeKitDocumentClass, renderShapeSelection));
+    CPPUNIT_ASSERT_EQUAL(documentClassOffset(47), offsetof(struct _LibreOfficeKitDocumentClass, createViewWithOptions));
     // Extending is fine, update this, and add new assert for the offsetof the
     // new method
-    CPPUNIT_ASSERT_EQUAL(documentClassOffset(47), sizeof(struct _LibreOfficeKitDocumentClass));
+    CPPUNIT_ASSERT_EQUAL(documentClassOffset(48), sizeof(struct _LibreOfficeKitDocumentClass));
 }
 
 CPPUNIT_TEST_SUITE_REGISTRATION(DesktopLOKTest);
diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index 2fa9a3b7ce2b..c7dd54a0d7dc 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -716,6 +716,7 @@ static void doc_setClientZoom(LibreOfficeKitDocument* pThis,
 static void doc_setClientVisibleArea(LibreOfficeKitDocument* pThis, int nX, int nY, int nWidth, int nHeight);
 static void doc_setOutlineState(LibreOfficeKitDocument* pThis, bool bColumn, int nLevel, int nIndex, bool bHidden);
 static int doc_createView(LibreOfficeKitDocument* pThis);
+static int doc_createViewWithOptions(LibreOfficeKitDocument* pThis, const char* pOptions);
 static void doc_destroyView(LibreOfficeKitDocument* pThis, int nId);
 static void doc_setView(LibreOfficeKitDocument* pThis, int nId);
 static int doc_getView(LibreOfficeKitDocument* pThis);
@@ -820,6 +821,8 @@ LibLODocument_Impl::LibLODocument_Impl(const uno::Reference <css::lang::XCompone
 
         m_pDocumentClass->renderShapeSelection = doc_renderShapeSelection;
 
+        m_pDocumentClass->createViewWithOptions = doc_createViewWithOptions;
+
         gDocumentClass = m_pDocumentClass;
     }
     pClass = m_pDocumentClass.get();
@@ -1525,7 +1528,7 @@ static LibreOfficeKitDocument* lo_documentLoadWithOptions(LibreOfficeKit* pThis,
         // 'Language=...' is an option that LOK consumes by itself, and does
         // not pass it as a parameter to the filter
         OUString aOptions = getUString(pOptions);
-        OUString aLanguage = extractParameter(aOptions, "Language");
+        const OUString aLanguage = extractParameter(aOptions, "Language");
 
         if (!aLanguage.isEmpty())
         {
@@ -3682,15 +3685,30 @@ static void doc_setOutlineState(LibreOfficeKitDocument* pThis, bool bColumn, int
     pDoc->setOutlineState(bColumn, nLevel, nIndex, bHidden);
 }
 
-static int doc_createView(SAL_UNUSED_PARAMETER LibreOfficeKitDocument* /*pThis*/)
+static int doc_createViewWithOptions(SAL_UNUSED_PARAMETER LibreOfficeKitDocument* /*pThis*/,
+                                     const char* pOptions)
 {
     SolarMutexGuard aGuard;
     if (gImpl)
         gImpl->maLastExceptionMsg.clear();
 
+    OUString aOptions = getUString(pOptions);
+    const OUString aLanguage = extractParameter(aOptions, "Language");
+
+    if (!aLanguage.isEmpty())
+    {
+        // Set the LOK language tag, used for dialog tunneling.
+        comphelper::LibreOfficeKit::setLanguageTag(LanguageTag(aLanguage));
+    }
+
     return SfxLokHelper::createView();
 }
 
+static int doc_createView(LibreOfficeKitDocument* pThis)
+{
+    return doc_createViewWithOptions(pThis, nullptr); // No options.
+}
+
 static void doc_destroyView(SAL_UNUSED_PARAMETER LibreOfficeKitDocument* /*pThis*/, int nId)
 {
     SolarMutexGuard aGuard;