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PointerEventsHitRules.cpp
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120 lines (112 loc) · 4.11 KB
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/*
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 "PointerEventsHitRules.h"
namespace WebCore {
PointerEventsHitRules::PointerEventsHitRules(EHitTesting hitTesting, const HitTestRequest& request, PointerEvents pointerEvents)
: requireVisible(false)
, requireFill(false)
, requireStroke(false)
, canHitStroke(false)
, canHitFill(false)
, canHitBoundingBox(false)
{
if (request.svgClipContent())
pointerEvents = PointerEvents::Fill;
if (hitTesting == SVG_PATH_HITTESTING) {
switch (pointerEvents)
{
case PointerEvents::VisiblePainted:
case PointerEvents::Auto: // "auto" is like "visiblePainted" when in SVG content
requireFill = true;
requireStroke = true;
FALLTHROUGH;
case PointerEvents::Visible:
requireVisible = true;
canHitFill = true;
canHitStroke = true;
break;
case PointerEvents::VisibleFill:
requireVisible = true;
canHitFill = true;
break;
case PointerEvents::VisibleStroke:
requireVisible = true;
canHitStroke = true;
break;
case PointerEvents::Painted:
requireFill = true;
requireStroke = true;
FALLTHROUGH;
case PointerEvents::All:
canHitFill = true;
canHitStroke = true;
break;
case PointerEvents::Fill:
canHitFill = true;
break;
case PointerEvents::Stroke:
canHitStroke = true;
break;
case PointerEvents::BoundingBox:
canHitFill = true;
canHitBoundingBox = true;
break;
case PointerEvents::None:
// nothing to do here, defaults are all false.
break;
}
} else {
switch (pointerEvents)
{
case PointerEvents::VisiblePainted:
case PointerEvents::Auto: // "auto" is like "visiblePainted" when in SVG content
requireVisible = true;
requireFill = true;
requireStroke = true;
canHitFill = true;
canHitStroke = true;
break;
case PointerEvents::VisibleFill:
case PointerEvents::VisibleStroke:
case PointerEvents::Visible:
requireVisible = true;
canHitFill = true;
canHitStroke = true;
break;
case PointerEvents::Painted:
requireFill = true;
requireStroke = true;
canHitFill = true;
canHitStroke = true;
break;
case PointerEvents::Fill:
case PointerEvents::Stroke:
case PointerEvents::All:
canHitFill = true;
canHitStroke = true;
break;
case PointerEvents::BoundingBox:
canHitFill = true;
canHitBoundingBox = true;
break;
case PointerEvents::None:
// nothing to do here, defaults are all false.
break;
}
}
}
}