From 48f0c5f73f99c919ec24deadc96c3cf5483c9314 Mon Sep 17 00:00:00 2001
From: Miklos Vajna <vmiklos@collabora.com>
Date: Tue, 30 Nov 2021 08:44:02 +0100
Subject: svx: update objects of pages of a master page when the theme changes

Only text color as a start, and without effects.

Change-Id: I52b1c110870605134c414bcc94b50871cd49975b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/126082
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Tested-by: Jenkins
---
 svx/source/styles/ColorSets.cxx | 59 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

(limited to 'svx/source/styles')

diff --git a/svx/source/styles/ColorSets.cxx b/svx/source/styles/ColorSets.cxx
index 773e7c414ef3..a5f8c6e7c548 100644
--- a/svx/source/styles/ColorSets.cxx
+++ b/svx/source/styles/ColorSets.cxx
@@ -16,14 +16,55 @@
 
 #include <com/sun/star/beans/PropertyValues.hpp>
 #include <com/sun/star/util/Color.hpp>
+#include <com/sun/star/text/XTextRange.hpp>
+#include <com/sun/star/container/XEnumerationAccess.hpp>
+#include <com/sun/star/container/XEnumeration.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
 
 #include <comphelper/propertyvalue.hxx>
 #include <comphelper/sequenceashashmap.hxx>
 #include <comphelper/sequence.hxx>
 #include <sal/log.hxx>
+#include <svx/svdpage.hxx>
+#include <svx/svditer.hxx>
+#include <editeng/unoprnms.hxx>
 
 using namespace com::sun::star;
 
+namespace
+{
+void UpdateSdrObject(svx::Theme* pTheme, SdrObject* pObject)
+{
+    svx::ColorSet* pColorSet = pTheme->GetColorSet();
+    if (!pColorSet)
+    {
+        return;
+    }
+
+    uno::Reference<text::XTextRange> xShape(pObject->getUnoShape(), uno::UNO_QUERY);
+    uno::Reference<container::XEnumerationAccess> xText(xShape->getText(), uno::UNO_QUERY);
+    uno::Reference<container::XEnumeration> xParagraphs = xText->createEnumeration();
+    while (xParagraphs->hasMoreElements())
+    {
+        uno::Reference<container::XEnumerationAccess> xParagraph(xParagraphs->nextElement(), uno::UNO_QUERY);
+        uno::Reference<container::XEnumeration> xPortions = xParagraph->createEnumeration();
+        while (xPortions->hasMoreElements())
+        {
+            uno::Reference<beans::XPropertySet> xPortion(xPortions->nextElement(), uno::UNO_QUERY);
+            sal_Int16 nCharColorTheme = -1;
+            xPortion->getPropertyValue(UNO_NAME_EDIT_CHAR_COLOR_THEME) >>= nCharColorTheme;
+            if (nCharColorTheme < 0 || nCharColorTheme > 11)
+            {
+                continue;
+            }
+
+            Color aColor = pColorSet->getColor(nCharColorTheme);
+            xPortion->setPropertyValue(UNO_NAME_EDIT_CHAR_COLOR, uno::makeAny(static_cast<sal_Int32>(aColor)));
+        }
+    }
+}
+}
+
 namespace svx
 {
 
@@ -229,6 +270,24 @@ std::unique_ptr<Theme> Theme::FromAny(const css::uno::Any& rVal)
     return pTheme;
 }
 
+void Theme::UpdateSdrPage(SdrPage* pPage)
+{
+    for (size_t nObject = 0; nObject < pPage->GetObjCount(); ++nObject)
+    {
+        SdrObject* pObject = pPage->GetObj(nObject);
+        UpdateSdrObject(this, pObject);
+        SdrObjList* pList = pObject->GetSubList();
+        if (pList)
+        {
+            SdrObjListIter aIter(pList, SdrIterMode::DeepWithGroups);
+            while (aIter.IsMore())
+            {
+                UpdateSdrObject(this, aIter.Next());
+            }
+        }
+    }
+}
+
 } // end of namespace svx
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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