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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_SD_SOURCE_CORE_PAGELISTWATCHER_HXX
      21             : #define INCLUDED_SD_SOURCE_CORE_PAGELISTWATCHER_HXX
      22             : 
      23             : #include "pres.hxx"
      24             : #include <sal/types.h>
      25             : #include <vector>
      26             : 
      27             : class SdPage;
      28             : class SdrModel;
      29             : 
      30             : /** Maintain a map of page indices to page objects for faster access that
      31             :     remains valid during deletions and insertions of pages (#109538#).
      32             : */
      33             : class ImpPageListWatcher
      34             : {
      35             : protected:
      36             :     // typedefs for a vector of SdPages
      37             :     typedef ::std::vector< SdPage* > SdPageVector;
      38             : 
      39             :     const SdrModel&                 mrModel;
      40             : 
      41             :     SdPageVector                    maPageVectorStandard;
      42             :     SdPageVector                    maPageVectorNotes;
      43             :     SdPage*                         mpHandoutPage;
      44             : 
      45             :     bool                        mbPageListValid;
      46             : 
      47             :     void ImpRecreateSortedPageListOnDemand();
      48             :     virtual sal_uInt32 ImpGetPageCount() const = 0;
      49             : 
      50             :     /** Return the page with the given index.
      51             :         @param nIndex
      52             :             When given an invalid index then NULL is returned.
      53             :     */
      54             :     virtual SdPage* ImpGetPage (sal_uInt32 nIndex) const = 0;
      55             : 
      56             : public:
      57             :     ImpPageListWatcher(const SdrModel& rModel);
      58             :     virtual ~ImpPageListWatcher();
      59             : 
      60        5318 :     void Invalidate() { mbPageListValid = false; }
      61             :     SdPage* GetSdPage(PageKind ePgKind, sal_uInt32 nPgNum = 0L);
      62             :     sal_uInt32 GetSdPageCount(PageKind ePgKind);
      63             :     sal_uInt32 GetVisibleSdPageCount();
      64             : };
      65             : 
      66             : class ImpDrawPageListWatcher : public ImpPageListWatcher
      67             : {
      68             : protected:
      69             :     virtual sal_uInt32 ImpGetPageCount() const SAL_OVERRIDE;
      70             :     virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const SAL_OVERRIDE;
      71             : 
      72             : public:
      73             :     ImpDrawPageListWatcher(const SdrModel& rModel);
      74             :     virtual ~ImpDrawPageListWatcher();
      75             : };
      76             : 
      77             : class ImpMasterPageListWatcher : public ImpPageListWatcher
      78             : {
      79             : protected:
      80             :     virtual sal_uInt32 ImpGetPageCount() const SAL_OVERRIDE;
      81             :     virtual SdPage* ImpGetPage(sal_uInt32 nIndex) const SAL_OVERRIDE;
      82             : 
      83             : public:
      84             :     ImpMasterPageListWatcher(const SdrModel& rModel);
      85             :     virtual ~ImpMasterPageListWatcher();
      86             : };
      87             : 
      88             : #endif
      89             : 
      90             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */