Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 86 insertions, 0 deletions

diff --git a/sd/source/ui/slidesorter/controller/SlsTransferableData.cxx b/sd/source/ui/slidesorter/controller/SlsTransferableData.cxx
new file mode 100644
index 000000000..f4b89a5ab
--- /dev/null
+++ b/sd/source/ui/slidesorter/controller/SlsTransferableData.cxx
@@ -0,0 +1,86 @@
+/* -*- 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 <controller/SlsTransferableData.hxx>
+
+#include <SlideSorterViewShell.hxx>
+
+namespace sd::slidesorter::controller {
+
+rtl::Reference<SdTransferable> TransferableData::CreateTransferable (
+    SdDrawDocument* pSrcDoc,
+    SlideSorterViewShell* pViewShell,
+    ::std::vector<Representative>&& rRepresentatives)
+{
+    rtl::Reference<SdTransferable> pTransferable = new SdTransferable (pSrcDoc, nullptr, false/*bInitOnGetData*/);
+    auto pData = std::make_shared<TransferableData>(pViewShell, std::move(rRepresentatives));
+    pTransferable->AddUserData(pData);
+    return pTransferable;
+}
+
+std::shared_ptr<TransferableData> TransferableData::GetFromTransferable (const SdTransferable* pTransferable)
+{
+    if (pTransferable)
+    {
+        for (sal_Int32 nIndex=0,nCount=pTransferable->GetUserDataCount(); nIndex<nCount; ++nIndex)
+        {
+            std::shared_ptr<TransferableData> xData =
+                std::dynamic_pointer_cast<TransferableData>(pTransferable->GetUserData(nIndex));
+            if (xData)
+                return xData;
+        }
+    }
+    return std::shared_ptr<TransferableData>();
+}
+
+TransferableData::TransferableData (
+    SlideSorterViewShell* pViewShell,
+    ::std::vector<Representative>&& rRepresentatives)
+    : mpViewShell(pViewShell),
+      maRepresentatives(std::move(rRepresentatives))
+{
+    if (mpViewShell != nullptr)
+        StartListening(*mpViewShell);
+}
+
+TransferableData::~TransferableData()
+{
+    if (mpViewShell != nullptr)
+        EndListening(*mpViewShell);
+}
+
+void TransferableData::Notify (SfxBroadcaster&, const SfxHint& rHint)
+{
+    if (mpViewShell)
+    {
+        if (rHint.GetId() == SfxHintId::Dying)
+        {
+            // This hint may come either from the ViewShell or from the
+            // document (registered by SdTransferable).  We do not know
+            // which but both are sufficient to disconnect from the
+            // ViewShell.
+            EndListening(*mpViewShell);
+            mpViewShell = nullptr;
+        }
+    }
+}
+
+} // end of namespace ::sd::slidesorter::controller
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */