svx: update objects of pages of a master page when the theme changes

Only text color as a start, and without effects.

(cherry picked from commit 48f0c5f73f99c919ec24deadc96c3cf5483c9314)

Change-Id: I52b1c110870605134c414bcc94b50871cd49975b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/136372
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

2 files changed, 100 insertions, 0 deletions

diff --git a/svx/qa/unit/data/theme.pptx b/svx/qa/unit/data/theme.pptx
new file mode 100644
index 000000000000..397b6706ffa4
--- /dev/null
+++ b/svx/qa/unit/data/theme.pptx
diff --git a/svx/qa/unit/styles.cxx b/svx/qa/unit/styles.cxx
new file mode 100644
index 000000000000..9cbae8f997ba
--- /dev/null
+++ b/svx/qa/unit/styles.cxx
@@ -0,0 +1,100 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <test/bootstrapfixture.hxx>
+#include <unotest/macros_test.hxx>
+
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
+#include <com/sun/star/drawing/XMasterPageTarget.hpp>
+#include <com/sun/star/text/XTextRange.hpp>
+
+using namespace ::com::sun::star;
+
+namespace
+{
+/// Tests for svx/source/styles/ code.
+class Test : public test::BootstrapFixture, public unotest::MacrosTest
+{
+private:
+    uno::Reference<lang::XComponent> mxComponent;
+
+public:
+    void setUp() override;
+    void tearDown() override;
+    uno::Reference<lang::XComponent>& getComponent() { return mxComponent; }
+};
+
+void Test::setUp()
+{
+    test::BootstrapFixture::setUp();
+
+    mxDesktop.set(frame::Desktop::create(mxComponentContext));
+}
+
+void Test::tearDown()
+{
+    if (mxComponent.is())
+        mxComponent->dispose();
+
+    test::BootstrapFixture::tearDown();
+}
+
+constexpr OUStringLiteral DATA_DIRECTORY = u"/svx/qa/unit/data/";
+
+CPPUNIT_TEST_FIXTURE(Test, testThemeChange)
+{
+    // Given a document, with a first slide and blue shape text from theme:
+    OUString aURL = m_directories.getURLFromSrc(DATA_DIRECTORY) + "theme.pptx";
+    getComponent() = loadFromDesktop(aURL);
+    uno::Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier(getComponent(), uno::UNO_QUERY);
+    uno::Reference<drawing::XMasterPageTarget> xDrawPage(
+        xDrawPagesSupplier->getDrawPages()->getByIndex(0), uno::UNO_QUERY);
+    uno::Reference<drawing::XShapes> xDrawPageShapes(xDrawPage, uno::UNO_QUERY);
+    uno::Reference<text::XTextRange> xShape(xDrawPageShapes->getByIndex(0), uno::UNO_QUERY);
+    {
+        uno::Reference<container::XEnumerationAccess> xText(xShape->getText(), uno::UNO_QUERY);
+        uno::Reference<container::XEnumerationAccess> xPara(
+            xText->createEnumeration()->nextElement(), uno::UNO_QUERY);
+        uno::Reference<beans::XPropertySet> xPortion(xPara->createEnumeration()->nextElement(),
+                                                     uno::UNO_QUERY);
+        sal_Int32 nColor{};
+        xPortion->getPropertyValue("CharColor") >>= nColor;
+        // Blue.
+        CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(0x4472c4), nColor);
+    }
+
+    // When changing the master slide of slide 1 to use the theme of the second master slide:
+    uno::Reference<drawing::XMasterPageTarget> xDrawPage2(
+        xDrawPagesSupplier->getDrawPages()->getByIndex(1), uno::UNO_QUERY);
+    uno::Reference<beans::XPropertySet> xMasterPage2(xDrawPage2->getMasterPage(), uno::UNO_QUERY);
+    uno::Any aTheme = xMasterPage2->getPropertyValue("Theme");
+    uno::Reference<beans::XPropertySet> xMasterPage(xDrawPage->getMasterPage(), uno::UNO_QUERY);
+    xMasterPage->setPropertyValue("Theme", aTheme);
+
+    // Then make sure the shape text color is now green:
+    uno::Reference<container::XEnumerationAccess> xText(xShape->getText(), uno::UNO_QUERY);
+    uno::Reference<container::XEnumerationAccess> xPara(xText->createEnumeration()->nextElement(),
+                                                        uno::UNO_QUERY);
+    uno::Reference<beans::XPropertySet> xPortion(xPara->createEnumeration()->nextElement(),
+                                                 uno::UNO_QUERY);
+    sal_Int32 nColor{};
+    xPortion->getPropertyValue("CharColor") >>= nColor;
+    // Without the accompanying fix in place, this test would have failed with:
+    // - Expected: 9486886 (#90c226, green)
+    // - Actual  : 4485828 (#4472c4, blue)
+    // i.e. shape text was not updated on theme change.
+    CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(0x90c226), nColor);
+}
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */