blob: 375801d230942524e92fd1b1d159ff900064796b [file] [log] [blame]
/*
Copyright (C) 2007 Rob Buis <buis@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
aint with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "core/rendering/PointerEventsHitRules.h"
#include "wtf/Assertions.h"
namespace blink {
struct SameSizeAsPointerEventsHitRules {
unsigned bitfields;
};
COMPILE_ASSERT(sizeof(PointerEventsHitRules) <= sizeof(SameSizeAsPointerEventsHitRules), PointerEventsHitRules_should_stay_small);
PointerEventsHitRules::PointerEventsHitRules(EHitTesting hitTesting, const HitTestRequest& request, EPointerEvents pointerEvents)
: requireVisible(false)
, requireFill(false)
, requireStroke(false)
, canHitStroke(false)
, canHitFill(false)
, canHitBoundingBox(false)
{
if (request.svgClipContent())
pointerEvents = PE_FILL;
if (hitTesting == SVG_GEOMETRY_HITTESTING) {
switch (pointerEvents)
{
case PE_BOUNDINGBOX:
canHitBoundingBox = true;
break;
case PE_VISIBLE_PAINTED:
case PE_AUTO: // "auto" is like "visiblePainted" when in SVG content
requireFill = true;
requireStroke = true;
case PE_VISIBLE:
requireVisible = true;
canHitFill = true;
canHitStroke = true;
break;
case PE_VISIBLE_FILL:
requireVisible = true;
canHitFill = true;
break;
case PE_VISIBLE_STROKE:
requireVisible = true;
canHitStroke = true;
break;
case PE_PAINTED:
requireFill = true;
requireStroke = true;
case PE_ALL:
canHitFill = true;
canHitStroke = true;
break;
case PE_FILL:
canHitFill = true;
break;
case PE_STROKE:
canHitStroke = true;
break;
case PE_NONE:
// nothing to do here, defaults are all false.
break;
}
} else {
switch (pointerEvents)
{
case PE_BOUNDINGBOX:
canHitBoundingBox = true;
break;
case PE_VISIBLE_PAINTED:
case PE_AUTO: // "auto" is like "visiblePainted" when in SVG content
requireVisible = true;
requireFill = true;
requireStroke = true;
canHitFill = true;
canHitStroke = true;
break;
case PE_VISIBLE_FILL:
case PE_VISIBLE_STROKE:
case PE_VISIBLE:
requireVisible = true;
canHitFill = true;
canHitStroke = true;
break;
case PE_PAINTED:
requireFill = true;
requireStroke = true;
canHitFill = true;
canHitStroke = true;
break;
case PE_FILL:
case PE_STROKE:
case PE_ALL:
canHitFill = true;
canHitStroke = true;
break;
case PE_NONE:
// nothing to do here, defaults are all false.
break;
}
}
}
}
// vim:ts=4:noet