1 files changed, 71 insertions, 0 deletions
diff --git a/sc/inc/broadcast.hxx b/sc/inc/broadcast.hxx
new file mode 100644
index 0000000000..55b1e64f0c
--- /dev/null
+++ b/sc/inc/broadcast.hxx
@@ -0,0 +1,71 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include "address.hxx"
+
+#include <map>
+#include <variant>
+#include <ostream>
+
+class ScFormulaCell;
+class SvtListener;
+
+namespace sc
+{
+class FormulaGroupAreaListener;
+
+struct BroadcasterState
+{
+    struct CellListener
+    {
+        using DataType = std::variant<const ScFormulaCell*, const SvtListener*>;
+
+        DataType pData;
+
+        CellListener(const ScFormulaCell* p);
+        CellListener(const SvtListener* p);
+    };
+
+    struct AreaListener
+    {
+        using DataType = std::variant<const ScFormulaCell*, const sc::FormulaGroupAreaListener*,
+                                      const SvtListener*>;
+
+        DataType pData;
+
+        AreaListener(const ScFormulaCell* p);
+        AreaListener(const sc::FormulaGroupAreaListener* p);
+        AreaListener(const SvtListener* p);
+    };
+
+    std::map<ScAddress, std::vector<CellListener>> aCellListenerStore;
+    std::map<ScRange, std::vector<AreaListener>> aAreaListenerStore;
+
+    /**
+     * Check if a formula cell listens on a single cell.
+     */
+    bool hasFormulaCellListener(const ScAddress& rBroadcasterPos,
+                                const ScAddress& rFormulaPos) const;
+
+    /**
+     * Check if a formula cell listens on a single range.
+     */
+    bool hasFormulaCellListener(const ScRange& rBroadcasterRange,
+                                const ScAddress& rFormulaPos) const;
+
+    /**
+     * Dump all broadcaster state in YAML format.
+     */
+    void dump(std::ostream& rStrm, const ScDocument* pDoc = nullptr) const;
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */