1 files changed, 126 insertions, 0 deletions
diff --git a/sd/source/ui/sidebar/RecentlyUsedMasterPages.hxx b/sd/source/ui/sidebar/RecentlyUsedMasterPages.hxx
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+++ b/sd/source/ui/sidebar/RecentlyUsedMasterPages.hxx
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+/* -*- 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 <tools/SdGlobalResourceContainer.hxx>
+#include <tools/link.hxx>
+#include <utility>
+#include <vector>
+
+#include "MasterPageContainer.hxx"
+
+namespace sd {
+class MasterPageObserverEvent;
+}
+
+namespace sd::sidebar {
+
+/** This singleton holds a list of the most recently used master pages.
+*/
+class RecentlyUsedMasterPages
+    : public SdGlobalResource
+{
+public:
+    /** Return the single instance of this class.
+    */
+    static RecentlyUsedMasterPages& Instance();
+
+    void AddEventListener (const Link<LinkParamNone*,void>& rEventListener);
+    void RemoveEventListener (const Link<LinkParamNone*,void>& rEventListener);
+
+    int GetMasterPageCount() const;
+    MasterPageContainer::Token GetTokenForIndex (sal_uInt32 nIndex) const;
+
+private:
+    class Descriptor
+    {
+    public:
+        OUString msURL;
+        OUString msName;
+        ::sd::sidebar::MasterPageContainer::Token maToken;
+        Descriptor (::sd::sidebar::MasterPageContainer::Token aToken,
+                    OUString sURL, OUString sName)
+            : msURL(std::move(sURL)),
+              msName(std::move(sName)),
+              maToken(aToken)
+        {}
+
+        class TokenComparator
+        {
+        public:
+            explicit TokenComparator(::sd::sidebar::MasterPageContainer::Token aToken)
+                : maToken(aToken) {}
+            bool operator () (const Descriptor& rDescriptor)
+            { return maToken==rDescriptor.maToken; }
+
+        private:
+            ::sd::sidebar::MasterPageContainer::Token maToken;
+        };
+    };
+
+    /** The single instance of this class.  It is created on demand when
+        Instance() is called for the first time.
+    */
+    static RecentlyUsedMasterPages* mpInstance;
+
+    ::std::vector<Link<LinkParamNone*,void>> maListeners;
+
+    typedef ::std::vector<Descriptor> MasterPageList;
+    MasterPageList mvMasterPages;
+    std::shared_ptr<MasterPageContainer> mpContainer;
+
+    RecentlyUsedMasterPages();
+    virtual ~RecentlyUsedMasterPages() override;
+
+    /** Call this method after a new object has been created.
+    */
+    void LateInit();
+
+    RecentlyUsedMasterPages (const RecentlyUsedMasterPages&) = delete;
+
+    RecentlyUsedMasterPages& operator= (const RecentlyUsedMasterPages&) = delete;
+
+    void SendEvent();
+    DECL_LINK(MasterPageChangeListener, MasterPageObserverEvent&, void);
+    DECL_LINK(MasterPageContainerChangeListener, MasterPageContainerChangeEvent&, void);
+
+    /** Add a descriptor for the specified master page to the end of the
+        list of most recently used master pages.  When the page is already a
+        member of that list the associated descriptor is moved to the end of
+        the list to make it the most recently used entry.
+    */
+    void AddMasterPage(MasterPageContainer::Token aToken);
+
+    /** Load the list of recently used master pages from the registry where
+        it was saved to make it persistent.
+    */
+    void LoadPersistentValues();
+
+    /** Save the list of recently used master pages to the registry to make
+        it persistent.
+    */
+    void SavePersistentValues();
+
+    void ResolveList();
+};
+
+} // end of namespace sd::sidebar
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */