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Current view: top level - slideshow/source/inc - shapesubset.hxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 0 1 0.0 %
Date: 2015-06-13 12:38:46 Functions: 0 1 0.0 %
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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_SLIDESHOW_SOURCE_INC_SHAPESUBSET_HXX
      21             : #define INCLUDED_SLIDESHOW_SOURCE_INC_SHAPESUBSET_HXX
      22             : 
      23             : #include "attributableshape.hxx"
      24             : #include "subsettableshapemanager.hxx"
      25             : #include "doctreenode.hxx"
      26             : 
      27             : #include <boost/shared_ptr.hpp>
      28             : 
      29             : namespace slideshow
      30             : {
      31             :     namespace internal
      32             :     {
      33             :         class ShapeSubset;
      34             :         typedef ::boost::shared_ptr< ShapeSubset > ShapeSubsetSharedPtr;
      35             : 
      36             :         /* Definition of ShapeSubset class */
      37             : 
      38             :         /** Subset RAII wrapper for shapes.
      39             : 
      40             :             This class wraps the plain Shape with a wrapper for subset
      41             :             functionality. Subsetting can be turned on and off. Note
      42             :             that the reason to have shape subsetting RAII implemented
      43             :             separately (i.e. not within the DrawShape) was that
      44             :             subsetting (and de-subsetting) needs the
      45             :             SubsettableShapeManager. And holding that at the DrawShape
      46             :             creates one heck of a circular reference.
      47             :          */
      48           0 :         class ShapeSubset
      49             :         {
      50             :         public:
      51             :             /** Create a subset directly from a Shape.
      52             : 
      53             :                 @param rOriginalShape
      54             :                 Original shape to subset
      55             : 
      56             :                 @param rTreeNode
      57             :                 Subset this object should represent
      58             : 
      59             :                 @param rShapeManager
      60             :                 Manager object, where subsets are
      61             :                 registered/unregistered
      62             :              */
      63             :             ShapeSubset( const AttributableShapeSharedPtr&       rOriginalShape,
      64             :                          const DocTreeNode&                      rTreeNode,
      65             :                          const SubsettableShapeManagerSharedPtr& rSubsetManager );
      66             : 
      67             :             /** Create a subset from another subset.
      68             : 
      69             :                 Note: if you want this subset to subtract from the
      70             :                 passed subset reference (and not from the original,
      71             :                 unsubsetted shape), the passed subset must be enabled
      72             :                 (enableSubsetShape() must have been called)
      73             : 
      74             :                 @param rOriginalSubset
      75             :                 Original subset, which to subset again.
      76             : 
      77             :                 @param rTreeNode
      78             :                 Subset of the original subset
      79             :              */
      80             :             ShapeSubset( const ShapeSubsetSharedPtr&        rOriginalSubset,
      81             :                          const DocTreeNode&                 rTreeNode );
      82             : 
      83             :             /** Create full set for the given shape.
      84             : 
      85             :                 @param rOriginalShape
      86             :                 Original shape, which will be represented as a whole
      87             :                 by this object
      88             :              */
      89             :             ShapeSubset( const AttributableShapeSharedPtr&       rOriginalShape,
      90             :                          const SubsettableShapeManagerSharedPtr& rShapeManager );
      91             : 
      92             :             ~ShapeSubset();
      93             : 
      94             :             /** Get the actual subset shape.
      95             : 
      96             :                 If the subset is currently revoked, this method
      97             :                 returns the original shape.
      98             :              */
      99             :             AttributableShapeSharedPtr  getSubsetShape() const;
     100             : 
     101             :             /** Enable the subset shape.
     102             : 
     103             :                 This method enables the subset. That means, on
     104             :                 successful completion of this method, the original
     105             :                 shape will cease to show the subset range, and
     106             :                 getSubsetShape() will return a valid shape.
     107             : 
     108             :                 @return true, if subsetting was successfully enabled.
     109             :              */
     110             :             bool            enableSubsetShape();
     111             : 
     112             :             /** Disable the subset shape.
     113             : 
     114             :                 This method revokes the subset from the original
     115             :                 shape. That means, the original shape will again show
     116             :                 the hidden range.
     117             :              */
     118             :             void            disableSubsetShape();
     119             : 
     120             :             /** Query whether this subset actually is none, but
     121             :                 contains the whole original shape's content
     122             :              */
     123             :             bool isFullSet() const;
     124             : 
     125             :             /** Query subset this object represents
     126             :              */
     127             :             DocTreeNode getSubset() const;
     128             : 
     129             :         private:
     130             :             // default copy/assignment are okay
     131             :             //ShapeSubset(const ShapeSubset&);
     132             :             //ShapeSubset& operator=( const ShapeSubset& );
     133             : 
     134             :             AttributableShapeSharedPtr       mpOriginalShape;
     135             :             AttributableShapeSharedPtr       mpSubsetShape;
     136             :             DocTreeNode                      maTreeNode;
     137             :             SubsettableShapeManagerSharedPtr mpShapeManager;
     138             :         };
     139             :     }
     140             : }
     141             : 
     142             : #endif // INCLUDED_SLIDESHOW_SOURCE_INC_SHAPESUBSET_HXX
     143             : 
     144             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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