1 files changed, 68 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.hxx b/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.hxx
new file mode 100644
index 000000000..cbeb11f8b
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+++ b/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.hxx
@@ -0,0 +1,68 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <controller/SlsInsertionIndicatorHandler.hxx>
+
+class Point;
+
+namespace sd::slidesorter
+{
+class SlideSorter;
+}
+
+namespace sd::slidesorter::controller
+{
+/** A DragAndDropContext object handles an active drag and drop operation.
+    When the mouse is moved from one slide sorter window to another the
+    target SlideSorter object is exchanged accordingly.
+*/
+class DragAndDropContext
+{
+public:
+    /** Create a substitution display of the currently selected pages or,
+        when provided, the pages in the transferable.
+    */
+    explicit DragAndDropContext(SlideSorter& rSlideSorter);
+    ~DragAndDropContext() COVERITY_NOEXCEPT_FALSE;
+
+    /** Call this method (for example as reaction to ESC key press) to avoid
+        processing (ie moving or inserting) the substitution when the called
+        DragAndDropContext object is destroyed.
+    */
+    void Dispose();
+
+    /** Move the substitution display by the distance the mouse has
+        travelled since the last call to this method or to
+        CreateSubstitution().  The given point becomes the new anchor.
+    */
+    void UpdatePosition(const Point& rMousePosition, const InsertionIndicatorHandler::Mode eMode,
+                        const bool bAllowAutoScroll);
+
+    void SetTargetSlideSorter();
+
+private:
+    SlideSorter* mpTargetSlideSorter;
+    sal_Int32 mnInsertionIndex;
+};
+
+} // end of namespace ::sd::slidesorter::controller
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */