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/*
* Copyright (C) 2016-2023 Apple Inc. All rights reserved.
* Copyright (C) 2024 Samuel Weinig <sam@webkit.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "CSSPropertyParserConsumer+UI.h"
#include "CSSCursorImageValue.h"
#include "CSSParserContext.h"
#include "CSSParserTokenRange.h"
#include "CSSPrimitiveValue.h"
#include "CSSPropertyParserConsumer+Ident.h"
#include "CSSPropertyParserConsumer+Image.h"
#include "CSSPropertyParserConsumer+Number.h"
#include "CSSPropertyParserConsumer+Primitives.h"
#include "CSSValueKeywords.h"
#include "CSSValueList.h"
#include "CSSValuePair.h"
namespace WebCore {
namespace CSSPropertyParserHelpers {
RefPtr<CSSValue> consumeCursor(CSSParserTokenRange& range, const CSSParserContext& context)
{
// <cursor> = [ [ <url> | <url-set> ] [<x> <y>]? ]#? [ auto | default | none | context-menu | help | pointer | progress | wait | cell | crosshair | text | vertical-text | alias | copy | move | no-drop | not-allowed | grab | grabbing | e-resize | n-resize | ne-resize | nw-resize | s-resize | se-resize | sw-resize | w-resize | ew-resize | ns-resize | nesw-resize | nwse-resize | col-resize | row-resize | all-scroll | zoom-in | zoom-out ]
// https://drafts.csswg.org/css-ui/#propdef-cursor
CSSValueListBuilder list;
while (auto image = consumeImage(range, context, { AllowedImageType::URLFunction, AllowedImageType::ImageSet })) {
RefPtr<CSSValuePair> hotSpot;
if (auto x = consumeNumber(range, context)) {
auto y = consumeNumber(range, context);
if (!y)
return nullptr;
hotSpot = CSSValuePair::createNoncoalescing(x.releaseNonNull(), y.releaseNonNull());
}
list.append(CSSCursorImageValue::create(image.releaseNonNull(), WTFMove(hotSpot), context.isContentOpaque ? LoadedFromOpaqueSource::Yes : LoadedFromOpaqueSource::No));
if (!consumeCommaIncludingWhitespace(range))
return nullptr;
}
CSSValueID id = range.peek().id();
RefPtr<CSSValue> cursorType;
if (id == CSSValueHand) {
if (context.mode != HTMLQuirksMode) // Non-standard behavior
return nullptr;
cursorType = CSSPrimitiveValue::create(CSSValuePointer);
range.consumeIncludingWhitespace();
} else if ((id >= CSSValueAuto && id <= CSSValueWebkitZoomOut) || id == CSSValueCopy || id == CSSValueNone)
cursorType = consumeIdent(range);
else
return nullptr;
if (list.isEmpty())
return cursorType;
list.append(cursorType.releaseNonNull());
return CSSValueList::createCommaSeparated(WTFMove(list));
}
} // namespace CSSPropertyParserHelpers
} // namespace WebCore
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