1 files changed, 141 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterPaintManager.cxx b/sdext/source/presenter/PresenterPaintManager.cxx
new file mode 100644
index 000000000..ba1bc48de
--- /dev/null
+++ b/sdext/source/presenter/PresenterPaintManager.cxx
@@ -0,0 +1,141 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "PresenterPaintManager.hxx"
+
+#include "PresenterPaneContainer.hxx"
+#include <com/sun/star/awt/InvalidateStyle.hpp>
+#include <com/sun/star/awt/XWindowPeer.hpp>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+namespace sdext::presenter {
+
+PresenterPaintManager::PresenterPaintManager (
+    const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
+    const css::uno::Reference<css::drawing::XPresenterHelper>& rxPresenterHelper,
+    const rtl::Reference<PresenterPaneContainer>& rpPaneContainer)
+    : mxParentWindow(rxParentWindow),
+      mxParentWindowPeer(rxParentWindow, UNO_QUERY),
+      mxPresenterHelper(rxPresenterHelper),
+      mpPaneContainer(rpPaneContainer)
+{
+}
+
+::std::function<void (const css::awt::Rectangle& rRepaintBox)>
+    PresenterPaintManager::GetInvalidator (
+        const css::uno::Reference<css::awt::XWindow>& rxWindow)
+{
+    return [this, rxWindow] (css::awt::Rectangle const& rRepaintBox)
+            {
+                return this->Invalidate(rxWindow, rRepaintBox /* , bSynchronous=false */);
+            };
+}
+
+void PresenterPaintManager::Invalidate (
+    const css::uno::Reference<css::awt::XWindow>& rxWindow)
+{
+    sal_Int16 nInvalidateMode (awt::InvalidateStyle::CHILDREN);
+
+    PresenterPaneContainer::SharedPaneDescriptor pDescriptor(
+        mpPaneContainer->FindContentWindow(rxWindow));
+    if (!pDescriptor || ! pDescriptor->mbIsOpaque)
+        nInvalidateMode |= awt::InvalidateStyle::TRANSPARENT;
+    else
+        nInvalidateMode |= awt::InvalidateStyle::NOTRANSPARENT;
+
+    Invalidate(rxWindow, nInvalidateMode);
+}
+
+void PresenterPaintManager::Invalidate (
+    const css::uno::Reference<css::awt::XWindow>& rxWindow,
+    const sal_Int16 nInvalidateFlags)
+{
+    if ((nInvalidateFlags & awt::InvalidateStyle::TRANSPARENT) != 0)
+    {
+        // Window is transparent and parent window(s) have to be painted as
+        // well.  Invalidate the parent explicitly.
+        if (mxPresenterHelper.is() && mxParentWindowPeer.is())
+        {
+            const awt::Rectangle aBBox (
+                mxPresenterHelper->getWindowExtentsRelative(rxWindow, mxParentWindow));
+            mxParentWindowPeer->invalidateRect(aBBox, nInvalidateFlags);
+        }
+    }
+    else
+    {
+        Reference<awt::XWindowPeer> xPeer (rxWindow, UNO_QUERY);
+        if (xPeer.is())
+            xPeer->invalidate(nInvalidateFlags);
+    }
+}
+
+void PresenterPaintManager::Invalidate (
+    const css::uno::Reference<css::awt::XWindow>& rxWindow,
+    const css::awt::Rectangle& rRepaintBox,
+    const bool bSynchronous)
+{
+    sal_Int16 nInvalidateMode (awt::InvalidateStyle::CHILDREN);
+    if (bSynchronous)
+        nInvalidateMode |= awt::InvalidateStyle::UPDATE;
+
+    PresenterPaneContainer::SharedPaneDescriptor pDescriptor(
+        mpPaneContainer->FindContentWindow(rxWindow));
+    if (!pDescriptor || ! pDescriptor->mbIsOpaque)
+        nInvalidateMode |= awt::InvalidateStyle::TRANSPARENT;
+    else
+        nInvalidateMode |= awt::InvalidateStyle::NOTRANSPARENT;
+
+    Invalidate(rxWindow, rRepaintBox, nInvalidateMode);
+}
+
+void PresenterPaintManager::Invalidate (
+    const css::uno::Reference<css::awt::XWindow>& rxWindow,
+    const css::awt::Rectangle& rRepaintBox,
+    const sal_Int16 nInvalidateFlags)
+{
+    if ((nInvalidateFlags & awt::InvalidateStyle::TRANSPARENT) != 0)
+    {
+        // Window is transparent and parent window(s) have to be painted as
+        // well.  Invalidate the parent explicitly.
+        if (mxPresenterHelper.is() && mxParentWindowPeer.is())
+        {
+            const awt::Rectangle aBBox (
+                mxPresenterHelper->getWindowExtentsRelative(rxWindow, mxParentWindow));
+            mxParentWindowPeer->invalidateRect(
+                awt::Rectangle(
+                    rRepaintBox.X + aBBox.X,
+                    rRepaintBox.Y + aBBox.Y,
+                    rRepaintBox.Width,
+                    rRepaintBox.Height),
+                nInvalidateFlags);
+        }
+    }
+    else
+    {
+        Reference<awt::XWindowPeer> xPeer (rxWindow, UNO_QUERY);
+        if (xPeer.is())
+            xPeer->invalidateRect(rRepaintBox, nInvalidateFlags);
+    }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */