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      1 /*
      2     Copyright (C) 2007 Rob Buis <buis (at) kde.org>
      3 
      4     This library is free software; you can redistribute it and/or
      5     modify it under the terms of the GNU Library General Public
      6     License as published by the Free Software Foundation; either
      7     version 2 of the License, or (at your option) any later version.
      8 
      9     This library is distributed in the hope that it will be useful,
     10     but WITHOUT ANY WARRANTY; without even the implied warranty of
     11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12     Library General Public License for more details.
     13 
     14     You should have received a copy of the GNU Library General Public License
     15     aint with this library; see the file COPYING.LIB.  If not, write to
     16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17     Boston, MA 02110-1301, USA.
     18 */
     19 
     20 #include "config.h"
     21 #include "PointerEventsHitRules.h"
     22 
     23 namespace WebCore {
     24 
     25 PointerEventsHitRules::PointerEventsHitRules(EHitTesting hitTesting, const HitTestRequest& request, EPointerEvents pointerEvents)
     26     : requireVisible(false)
     27     , requireFill(false)
     28     , requireStroke(false)
     29     , canHitStroke(false)
     30     , canHitFill(false)
     31 {
     32     if (request.svgClipContent())
     33         pointerEvents = PE_FILL;
     34 
     35     if (hitTesting == SVG_PATH_HITTESTING) {
     36         switch (pointerEvents)
     37         {
     38             case PE_VISIBLE_PAINTED:
     39             case PE_AUTO: // "auto" is like "visiblePainted" when in SVG content
     40                 requireFill = true;
     41                 requireStroke = true;
     42             case PE_VISIBLE:
     43                 requireVisible = true;
     44                 canHitFill = true;
     45                 canHitStroke = true;
     46                 break;
     47             case PE_VISIBLE_FILL:
     48                 requireVisible = true;
     49                 canHitFill = true;
     50                 break;
     51             case PE_VISIBLE_STROKE:
     52                 requireVisible = true;
     53                 canHitStroke = true;
     54                 break;
     55             case PE_PAINTED:
     56                 requireFill = true;
     57                 requireStroke = true;
     58             case PE_ALL:
     59                 canHitFill = true;
     60                 canHitStroke = true;
     61                 break;
     62             case PE_FILL:
     63                 canHitFill = true;
     64                 break;
     65             case PE_STROKE:
     66                 canHitStroke = true;
     67                 break;
     68             case PE_NONE:
     69                 // nothing to do here, defaults are all false.
     70                 break;
     71         }
     72     } else {
     73         switch (pointerEvents)
     74         {
     75             case PE_VISIBLE_PAINTED:
     76             case PE_AUTO: // "auto" is like "visiblePainted" when in SVG content
     77                 requireVisible = true;
     78                 requireFill = true;
     79                 requireStroke = true;
     80                 canHitFill = true;
     81                 canHitStroke = true;
     82                 break;
     83             case PE_VISIBLE_FILL:
     84             case PE_VISIBLE_STROKE:
     85             case PE_VISIBLE:
     86                 requireVisible = true;
     87                 canHitFill = true;
     88                 canHitStroke = true;
     89                 break;
     90             case PE_PAINTED:
     91                 requireFill = true;
     92                 requireStroke = true;
     93                 canHitFill = true;
     94                 canHitStroke = true;
     95                 break;
     96             case PE_FILL:
     97             case PE_STROKE:
     98             case PE_ALL:
     99                 canHitFill = true;
    100                 canHitStroke = true;
    101                 break;
    102             case PE_NONE:
    103                 // nothing to do here, defaults are all false.
    104                 break;
    105         }
    106     }
    107 }
    108 
    109 }
    110 
    111 // vim:ts=4:noet
    112