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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 "core/layout/PointerEventsHitRules.h"
#include "wtf/Assertions.h"
namespace blink {
struct SameSizeAsPointerEventsHitRules {
unsigned bitfields;
};
static_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 = EPointerEvents::kFill;
if (hitTesting == SVG_GEOMETRY_HITTESTING) {
switch (pointerEvents) {
case EPointerEvents::kBoundingBox:
canHitBoundingBox = true;
break;
case EPointerEvents::kVisiblePainted:
case EPointerEvents::kAuto: // "auto" is like "visiblePainted" when in
// SVG content
requireFill = true;
requireStroke = true;
case EPointerEvents::kVisible:
requireVisible = true;
canHitFill = true;
canHitStroke = true;
break;
case EPointerEvents::kVisibleFill:
requireVisible = true;
canHitFill = true;
break;
case EPointerEvents::kVisibleStroke:
requireVisible = true;
canHitStroke = true;
break;
case EPointerEvents::kPainted:
requireFill = true;
requireStroke = true;
case EPointerEvents::kAll:
canHitFill = true;
canHitStroke = true;
break;
case EPointerEvents::kFill:
canHitFill = true;
break;
case EPointerEvents::kStroke:
canHitStroke = true;
break;
case EPointerEvents::kNone:
// nothing to do here, defaults are all false.
break;
}
} else {
switch (pointerEvents) {
case EPointerEvents::kBoundingBox:
canHitBoundingBox = true;
break;
case EPointerEvents::kVisiblePainted:
case EPointerEvents::kAuto: // "auto" is like "visiblePainted" when in
// SVG content
requireVisible = true;
requireFill = true;
requireStroke = true;
canHitFill = true;
canHitStroke = true;
break;
case EPointerEvents::kVisibleFill:
case EPointerEvents::kVisibleStroke:
case EPointerEvents::kVisible:
requireVisible = true;
canHitFill = true;
canHitStroke = true;
break;
case EPointerEvents::kPainted:
requireFill = true;
requireStroke = true;
canHitFill = true;
canHitStroke = true;
break;
case EPointerEvents::kFill:
case EPointerEvents::kStroke:
case EPointerEvents::kAll:
canHitFill = true;
canHitStroke = true;
break;
case EPointerEvents::kNone:
// nothing to do here, defaults are all false.
break;
}
}
}
} // namespace blink
// vim:ts=4:noet
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