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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 "core/rendering/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     , canHitBoundingBox(false)
     32 {
     33     if (request.svgClipContent())
     34         pointerEvents = PE_FILL;
     35 
     36     if (hitTesting == SVG_GEOMETRY_HITTESTING) {
     37         switch (pointerEvents)
     38         {
     39             case PE_BOUNDINGBOX:
     40                 canHitBoundingBox = true;
     41                 break;
     42             case PE_VISIBLE_PAINTED:
     43             case PE_AUTO: // "auto" is like "visiblePainted" when in SVG content
     44                 requireFill = true;
     45                 requireStroke = true;
     46             case PE_VISIBLE:
     47                 requireVisible = true;
     48                 canHitFill = true;
     49                 canHitStroke = true;
     50                 break;
     51             case PE_VISIBLE_FILL:
     52                 requireVisible = true;
     53                 canHitFill = true;
     54                 break;
     55             case PE_VISIBLE_STROKE:
     56                 requireVisible = true;
     57                 canHitStroke = true;
     58                 break;
     59             case PE_PAINTED:
     60                 requireFill = true;
     61                 requireStroke = true;
     62             case PE_ALL:
     63                 canHitFill = true;
     64                 canHitStroke = true;
     65                 break;
     66             case PE_FILL:
     67                 canHitFill = true;
     68                 break;
     69             case PE_STROKE:
     70                 canHitStroke = true;
     71                 break;
     72             case PE_NONE:
     73                 // nothing to do here, defaults are all false.
     74                 break;
     75         }
     76     } else {
     77         switch (pointerEvents)
     78         {
     79             case PE_BOUNDINGBOX:
     80                 canHitBoundingBox = true;
     81                 break;
     82             case PE_VISIBLE_PAINTED:
     83             case PE_AUTO: // "auto" is like "visiblePainted" when in SVG content
     84                 requireVisible = true;
     85                 requireFill = true;
     86                 requireStroke = true;
     87                 canHitFill = true;
     88                 canHitStroke = true;
     89                 break;
     90             case PE_VISIBLE_FILL:
     91             case PE_VISIBLE_STROKE:
     92             case PE_VISIBLE:
     93                 requireVisible = true;
     94                 canHitFill = true;
     95                 canHitStroke = true;
     96                 break;
     97             case PE_PAINTED:
     98                 requireFill = true;
     99                 requireStroke = true;
    100                 canHitFill = true;
    101                 canHitStroke = true;
    102                 break;
    103             case PE_FILL:
    104             case PE_STROKE:
    105             case PE_ALL:
    106                 canHitFill = true;
    107                 canHitStroke = true;
    108                 break;
    109             case PE_NONE:
    110                 // nothing to do here, defaults are all false.
    111                 break;
    112         }
    113     }
    114 }
    115 
    116 }
    117 
    118 // vim:ts=4:noet
    119