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Diffstat (limited to 'sd/source/core/PageListWatcher.hxx')
-rw-r--r-- | sd/source/core/PageListWatcher.hxx | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/sd/source/core/PageListWatcher.hxx b/sd/source/core/PageListWatcher.hxx new file mode 100644 index 000000000..252d18615 --- /dev/null +++ b/sd/source/core/PageListWatcher.hxx @@ -0,0 +1,87 @@ +/* -*- 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 <pres.hxx> +#include <sal/types.h> +#include <vector> + +class SdPage; +class SdrModel; + +/** Maintain a map of page indices to page objects for faster access that + remains valid during deletions and insertions of pages (#109538#). +*/ +class ImpPageListWatcher +{ +protected: + // typedefs for a vector of SdPages + typedef ::std::vector< SdPage* > SdPageVector; + + const SdrModel& mrModel; + + SdPageVector maPageVectorStandard; + SdPageVector maPageVectorNotes; + SdPage* mpHandoutPage; + + bool mbPageListValid; + + void ImpRecreateSortedPageListOnDemand(); + virtual sal_uInt32 ImpGetPageCount() const = 0; + + /** Return the page with the given index. + @param nIndex + When given an invalid index then NULL is returned. + */ + virtual SdPage* ImpGetPage (sal_uInt32 nIndex) const = 0; + +public: + explicit ImpPageListWatcher(const SdrModel& rModel); + virtual ~ImpPageListWatcher(); + + void Invalidate() { mbPageListValid = false; } + SdPage* GetSdPage(PageKind ePgKind, sal_uInt32 nPgNum); + sal_uInt32 GetSdPageCount(PageKind ePgKind); + sal_uInt32 GetVisibleSdPageCount() const; +}; + +class ImpDrawPageListWatcher : public ImpPageListWatcher +{ +protected: + virtual sal_uInt32 ImpGetPageCount() const override; + virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const override; + +public: + explicit ImpDrawPageListWatcher(const SdrModel& rModel); + virtual ~ImpDrawPageListWatcher() override; +}; + +class ImpMasterPageListWatcher : public ImpPageListWatcher +{ +protected: + virtual sal_uInt32 ImpGetPageCount() const override; + virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const override; + +public: + explicit ImpMasterPageListWatcher(const SdrModel& rModel); + virtual ~ImpMasterPageListWatcher() override; +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |