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/*
* 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 "CSSCalcTree+ComputedStyleDependencies.h"
#include "CSSCalcTree+Traversal.h"
#include "CSSPrimitiveNumericTypes+ComputedStyleDependencies.h"
#include "CSSPropertyNames.h"
#include "CSSUnits.h"
#include "ComputedStyleDependencies.h"
#include "ContainerQueryFeatures.h"
#include "MediaQueryFeatures.h"
namespace WebCore {
namespace CSSCalc {
static void collectComputedStyleDependencies(const Child& root, ComputedStyleDependencies& dependencies)
{
WTF::switchOn(root,
[&](const Number&) {
// No potential dependencies.
},
[&](const Percentage&) {
// No potential dependencies.
},
[&](const CanonicalDimension&) {
// No potential dependencies.
},
[&](const NonCanonicalDimension& root) {
if (auto lengthUnit = CSS::toLengthUnit(root.unit))
CSS::collectComputedStyleDependencies(dependencies, *lengthUnit);
},
[&](const Symbol& root) {
if (auto lengthUnit = CSS::toLengthUnit(root.unit))
CSS::collectComputedStyleDependencies(dependencies, *lengthUnit);
},
[&](const IndirectNode<MediaProgress>& root) {
root->feature->collectComputedStyleDependencies(dependencies);
forAllChildNodes(*root, [&](const auto& root) { collectComputedStyleDependencies(root, dependencies); });
},
[&](const IndirectNode<ContainerProgress>& root) {
root->feature->collectComputedStyleDependencies(dependencies);
forAllChildNodes(*root, [&](const auto& root) { collectComputedStyleDependencies(root, dependencies); });
},
[&](const IndirectNode<Anchor>& anchor) {
dependencies.anchors = true;
if (anchor->fallback)
collectComputedStyleDependencies(*anchor->fallback, dependencies);
},
[&](const IndirectNode<AnchorSize>& anchorSize) {
dependencies.anchors = true;
if (anchorSize->fallback)
collectComputedStyleDependencies(*anchorSize->fallback, dependencies);
},
[&](const auto& root) {
forAllChildNodes(*root, [&](const auto& root) { collectComputedStyleDependencies(root, dependencies); });
}
);
}
void collectComputedStyleDependencies(const Tree& tree, ComputedStyleDependencies& dependencies)
{
collectComputedStyleDependencies(tree.root, dependencies);
}
} // namespace CSSCalc
} // namespace WebCore
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