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, 211 insertions, 0 deletions

diff --git a/sc/inc/chartlis.hxx b/sc/inc/chartlis.hxx
new file mode 100644
index 000000000..d140531a9
--- /dev/null
+++ b/sc/inc/chartlis.hxx
@@ -0,0 +1,211 @@
+/* -*- 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 <vcl/idle.hxx>
+#include <svl/listener.hxx>
+#include "rangelst.hxx"
+#include "externalrefmgr.hxx"
+
+#include <memory>
+#include <map>
+#include <string_view>
+#include <unordered_map>
+#include <unordered_set>
+#include <vector>
+
+namespace com::sun::star::chart { class XChartData; }
+namespace com::sun::star::chart { class XChartDataChangeEventListener; }
+
+class Timer;
+class ScDocument;
+class ScChartUnoData;
+
+class SC_DLLPUBLIC ScChartListener final : public SvtListener
+{
+public:
+    class SAL_DLLPRIVATE ExternalRefListener final : public ScExternalRefManager::LinkListener
+    {
+    public:
+        ExternalRefListener(ScChartListener& rParent, ScDocument& rDoc);
+        virtual ~ExternalRefListener() override;
+        virtual void notify(sal_uInt16 nFileId, ScExternalRefManager::LinkUpdateType eType) override;
+        void addFileId(sal_uInt16 nFileId);
+        void removeFileId(sal_uInt16 nFileId);
+        std::unordered_set<sal_uInt16>& getAllFileIds() { return maFileIds;}
+
+    private:
+        ExternalRefListener(const ExternalRefListener& r) = delete;
+
+        ScChartListener& mrParent;
+        std::unordered_set<sal_uInt16> maFileIds;
+        ScDocument* m_pDoc;
+    };
+
+private:
+
+    std::unique_ptr<ExternalRefListener> mpExtRefListener;
+    std::vector<ScTokenRef> maTokens;
+
+    OUString maName;
+    std::unique_ptr<ScChartUnoData> pUnoData;
+    ScDocument&     mrDoc;
+    bool            bUsed:1;  // for ScChartListenerCollection::FreeUnused
+    bool            bDirty:1;
+
+    ScChartListener& operator=( const ScChartListener& ) = delete;
+
+public:
+    ScChartListener( const OUString& rName, ScDocument& rDoc,
+                     const ScRangeListRef& rRangeListRef );
+    ScChartListener( const OUString& rName, ScDocument& rDoc,
+                     ::std::vector<ScTokenRef> aTokens );
+    ScChartListener( const ScChartListener& ) = delete;
+    virtual ~ScChartListener() override;
+
+    const OUString& GetName() const { return maName;}
+
+    void            SetUno( const css::uno::Reference< css::chart::XChartDataChangeEventListener >& rListener,
+                            const css::uno::Reference< css::chart::XChartData >& rSource );
+    css::uno::Reference< css::chart::XChartDataChangeEventListener >  GetUnoListener() const;
+    css::uno::Reference< css::chart::XChartData >                     GetUnoSource() const;
+
+    bool            IsUno() const   { return (pUnoData != nullptr); }
+
+    virtual void Notify( const SfxHint& rHint ) override;
+    void            StartListeningTo();
+    void            EndListeningTo();
+    void            ChangeListening( const ScRangeListRef& rRangeListRef,
+                                    bool bDirty );
+    void            Update();
+    ScRangeListRef  GetRangeList() const;
+    void            SetRangeList( const ScRangeListRef& rNew );
+    bool            IsUsed() const { return bUsed; }
+    void            SetUsed( bool bFlg ) { bUsed = bFlg; }
+    bool            IsDirty() const { return bDirty; }
+    void            SetDirty( bool bFlg ) { bDirty = bFlg; }
+
+    void            UpdateChartIntersecting( const ScRange& rRange );
+
+    ExternalRefListener* GetExtRefListener();
+    void            SetUpdateQueue();
+
+    bool operator==( const ScChartListener& ) const;
+    bool operator!=( const ScChartListener& r ) const;
+};
+
+class SC_DLLPUBLIC ScChartHiddenRangeListener
+{
+public:
+    ScChartHiddenRangeListener();
+    virtual ~ScChartHiddenRangeListener();
+    virtual void notify() = 0;
+};
+
+class SC_DLLPUBLIC ScChartListenerCollection final
+{
+public:
+    typedef std::map<OUString, std::unique_ptr<ScChartListener>> ListenersType;
+    typedef std::unordered_set<OUString> StringSetType;
+private:
+    ListenersType m_Listeners;
+    enum UpdateStatus
+    {
+        SC_CLCUPDATE_NONE,
+        SC_CLCUPDATE_RUNNING,
+        SC_CLCUPDATE_MODIFIED
+    } meModifiedDuringUpdate;
+
+    std::unordered_multimap<ScChartHiddenRangeListener*, ScRange> maHiddenListeners;
+
+    StringSetType maNonOleObjectNames;
+
+    Idle            aIdle;
+    ScDocument&     rDoc;
+
+                    DECL_DLLPRIVATE_LINK(TimerHdl, Timer *, void);
+
+    ScChartListenerCollection& operator=( const ScChartListenerCollection& ) = delete;
+
+    void Init();
+
+public:
+    ScChartListenerCollection( ScDocument& rDoc );
+    ScChartListenerCollection( const ScChartListenerCollection& );
+    ~ScChartListenerCollection();
+
+                    // only needed after copy-ctor, if newly added to doc
+    void            StartAllListeners();
+
+    bool insert(ScChartListener* pListener);
+    ScChartListener* findByName(const OUString& rName);
+    const ScChartListener* findByName(const OUString& rName) const;
+    bool hasListeners() const;
+
+    void removeByName(const OUString& rName);
+
+    const ListenersType& getListeners() const { return m_Listeners; }
+    ListenersType& getListeners() { return m_Listeners; }
+    StringSetType& getNonOleObjectNames() { return maNonOleObjectNames;}
+
+    /**
+     * Create a unique name that's not taken by any existing chart listener
+     * objects.  The name consists of a prefix given followed by a number.
+     */
+    OUString getUniqueName(std::u16string_view rPrefix) const;
+
+    void            ChangeListening( const OUString& rName,
+                                    const ScRangeListRef& rRangeListRef );
+    // use FreeUnused only the way it's used in ScDocument::UpdateChartListenerCollection
+    void            FreeUnused();
+    void            FreeUno( const css::uno::Reference< css::chart::XChartDataChangeEventListener >& rListener,
+                             const css::uno::Reference< css::chart::XChartData >& rSource );
+    void            StartTimer();
+    void            UpdateDirtyCharts();
+    void            SetDirty();
+    void            SetDiffDirty( const ScChartListenerCollection&,
+                        bool bSetChartRangeLists );
+
+    void            SetRangeDirty( const ScRange& rRange );     // for example rows/columns
+
+    void            UpdateChartsContainingTab( SCTAB nTab );
+
+    bool operator==( const ScChartListenerCollection& r ) const;
+
+    /**
+     * Start listening on hide/show change within specified cell range.  A
+     * single listener may listen on multiple ranges when the caller passes
+     * the same pointer multiple times with different ranges.
+     *
+     * Note that the caller is responsible for managing the life-cycle of the
+     * listener instance.
+     */
+    void            StartListeningHiddenRange( const ScRange& rRange,
+                                               ScChartHiddenRangeListener* pListener );
+
+    /**
+     * Remove all ranges associated with passed listener instance from the
+     * list of hidden range listeners.  This does not delete the passed
+     * listener instance.
+     */
+    void            EndListeningHiddenRange( ScChartHiddenRangeListener* pListener );
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */