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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* 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 "ContainerQueryFeatures.h"
#include "ContainerQueryEvaluator.h"
#include "RenderBoxInlines.h"
#include "RenderElementInlines.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore::CQ::Features {
using namespace MQ;
struct SizeFeatureSchema : public FeatureSchema {
SizeFeatureSchema(const AtomString& name, Type type, ValueType valueType, FixedVector<CSSValueID>&& valueIdentifiers = { })
: FeatureSchema(name, type, valueType, WTFMove(valueIdentifiers))
{ }
EvaluationResult evaluate(const MQ::Feature& feature, const FeatureEvaluationContext& context) const override
{
// "If the query container does not have a principal box, or the principal box is not a layout containment box,
// or the query container does not support container size queries on the relevant axes, then the result of
// evaluating the size feature is unknown."
// https://drafts.csswg.org/css-contain-3/#size-container
if (!is<RenderBox>(context.renderer))
return MQ::EvaluationResult::Unknown;
auto& renderer = downcast<RenderBox>(*context.renderer);
auto hasEligibleContainment = [&] {
if (!renderer.shouldApplyLayoutContainment())
return false;
switch (renderer.style().containerType()) {
case ContainerType::InlineSize:
return renderer.shouldApplyInlineSizeContainment();
case ContainerType::Size:
return renderer.shouldApplySizeContainment();
case ContainerType::Normal:
return true;
}
RELEASE_ASSERT_NOT_REACHED();
};
if (!hasEligibleContainment())
return MQ::EvaluationResult::Unknown;
return evaluate(feature, renderer, context.conversionData);
}
virtual EvaluationResult evaluate(const MQ::Feature&, const RenderBox&, const CSSToLengthConversionData&) const = 0;
};
const FeatureSchema& width()
{
struct Schema : public SizeFeatureSchema {
Schema()
: SizeFeatureSchema("width"_s, FeatureSchema::Type::Range, FeatureSchema::ValueType::Length)
{ }
EvaluationResult evaluate(const MQ::Feature& feature, const RenderBox& renderer, const CSSToLengthConversionData& conversionData) const override
{
return evaluateLengthFeature(feature, renderer.contentWidth(), conversionData);
}
};
static MainThreadNeverDestroyed<Schema> schema;
return schema;
}
const FeatureSchema& height()
{
struct Schema : public SizeFeatureSchema {
Schema()
: SizeFeatureSchema("height"_s, FeatureSchema::Type::Range, FeatureSchema::ValueType::Length)
{ }
EvaluationResult evaluate(const MQ::Feature& feature, const RenderBox& renderer, const CSSToLengthConversionData& conversionData) const override
{
return evaluateLengthFeature(feature, renderer.contentHeight(), conversionData);
}
};
static MainThreadNeverDestroyed<Schema> schema;
return schema;
}
const FeatureSchema& inlineSize()
{
struct Schema : public SizeFeatureSchema {
Schema()
: SizeFeatureSchema("inline-size"_s, FeatureSchema::Type::Range, FeatureSchema::ValueType::Length)
{ }
EvaluationResult evaluate(const MQ::Feature& feature, const RenderBox& renderer, const CSSToLengthConversionData& conversionData) const override
{
return evaluateLengthFeature(feature, renderer.contentLogicalWidth(), conversionData);
}
};
static MainThreadNeverDestroyed<Schema> schema;
return schema;
}
const FeatureSchema& blockSize()
{
struct Schema : public SizeFeatureSchema {
Schema()
: SizeFeatureSchema("block-size"_s, FeatureSchema::Type::Range, FeatureSchema::ValueType::Length)
{ }
EvaluationResult evaluate(const MQ::Feature& feature, const RenderBox& renderer, const CSSToLengthConversionData& conversionData) const override
{
return evaluateLengthFeature(feature, renderer.contentLogicalHeight(), conversionData);
}
};
static MainThreadNeverDestroyed<Schema> schema;
return schema;
}
const FeatureSchema& aspectRatio()
{
struct Schema : public SizeFeatureSchema {
Schema()
: SizeFeatureSchema("aspect-ratio"_s, FeatureSchema::Type::Range, FeatureSchema::ValueType::Ratio)
{ }
EvaluationResult evaluate(const MQ::Feature& feature, const RenderBox& renderer, const CSSToLengthConversionData&) const override
{
return evaluateRatioFeature(feature, renderer.contentSize());
}
};
static MainThreadNeverDestroyed<Schema> schema;
return schema;
}
const FeatureSchema& orientation()
{
struct Schema : public SizeFeatureSchema {
Schema()
: SizeFeatureSchema("orientation"_s, FeatureSchema::Type::Discrete, FeatureSchema::ValueType::Identifier, { CSSValuePortrait, CSSValueLandscape })
{ }
EvaluationResult evaluate(const MQ::Feature& feature, const RenderBox& renderer, const CSSToLengthConversionData&) const override
{
bool isPortrait = renderer.contentHeight() >= renderer.contentWidth();
return evaluateIdentifierFeature(feature, isPortrait ? CSSValuePortrait : CSSValueLandscape);
}
};
static MainThreadNeverDestroyed<Schema> schema;
return schema;
}
}
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