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LibWeb: Allow LengthPercentage to hold a calculated value
Most of the time, we cannot resolve a `calc()` expression until we go to use it. Since any `<length-percentage>` can legally be a `calc ()`, let's store it in `LengthPercentage` rather than make every single user care about this distinction.
This commit is contained in:
Sam Atkins
Andreas Kling
parent
f0fb84dfcb
commit
ce0de4b2b4
11 changed files with 145 additions and 107 deletions
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@ -37,6 +37,7 @@ set(SOURCES
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CSS/Parser/StyleRules.cpp
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CSS/Parser/Token.cpp
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CSS/Parser/Tokenizer.cpp
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CSS/Percentage.cpp
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CSS/PreferredColorScheme.cpp
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CSS/PropertyID.cpp
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CSS/PropertyID.h
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17
Userland/Libraries/LibWeb/CSS/Percentage.cpp
Normal file
17
Userland/Libraries/LibWeb/CSS/Percentage.cpp
Normal file
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@ -0,0 +1,17 @@
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/*
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* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/CSS/Percentage.h>
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#include <LibWeb/CSS/StyleValue.h>
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namespace Web::CSS {
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Length LengthPercentage::resolve_calculated(NonnullRefPtr<CalculatedStyleValue> const& calculated, Layout::Node const& layout_node, Length const& reference_value) const
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{
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return calculated->resolve_length_percentage(layout_node, reference_value)->resolved(layout_node, reference_value);
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}
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}
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@ -52,6 +52,13 @@ public:
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{
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}
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PercentageOr(NonnullRefPtr<CalculatedStyleValue> calculated)
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: m_value(move(calculated))
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{
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}
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virtual ~PercentageOr() { }
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PercentageOr<T>& operator=(T t)
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{
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m_value = move(t);
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@ -65,6 +72,7 @@ public:
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}
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bool is_percentage() const { return m_value.template has<Percentage>(); }
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bool is_calculated() const { return m_value.template has<NonnullRefPtr<CalculatedStyleValue>>(); }
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Percentage const& percentage() const
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{
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@ -72,12 +80,23 @@ public:
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return m_value.template get<Percentage>();
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}
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T resolved(T const& reference_value) const
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virtual T resolve_calculated(NonnullRefPtr<CalculatedStyleValue> const&, Layout::Node const&, [[maybe_unused]] T const& reference_value) const
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{
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if (is_percentage())
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return reference_value.percentage_of(m_value.template get<Percentage>());
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VERIFY_NOT_REACHED();
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}
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return m_value.template get<T>();
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T resolved(Layout::Node const& layout_node, T const& reference_value) const
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{
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return m_value.visit(
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[&](T const& t) {
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return t;
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},
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[&](Percentage const& percentage) {
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return reference_value.percentage_of(percentage);
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},
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[&](NonnullRefPtr<CalculatedStyleValue> const& calculated) {
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return resolve_calculated(calculated, layout_node, reference_value);
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});
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}
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String to_string() const
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@ -90,6 +109,8 @@ public:
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bool operator==(PercentageOr<T> const& other) const
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{
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if (is_calculated())
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return false;
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if (is_percentage() != other.is_percentage())
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return false;
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if (is_percentage())
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@ -99,11 +120,11 @@ public:
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bool operator!=(PercentageOr<T> const& other) const { return !(*this == other); }
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protected:
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bool is_non_percentage_value() const { return m_value.template has<T>(); }
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T const& non_percentage_value() const { return m_value.template get<T>(); }
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bool is_t() const { return m_value.template has<T>(); }
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T const& get_t() const { return m_value.template get<T>(); }
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private:
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Variant<T, Percentage> m_value;
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Variant<T, Percentage, NonnullRefPtr<CalculatedStyleValue>> m_value;
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};
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template<typename T>
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@ -134,8 +155,9 @@ class LengthPercentage : public PercentageOr<Length> {
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public:
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using PercentageOr<Length>::PercentageOr;
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bool is_length() const { return is_non_percentage_value(); }
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Length const& length() const { return non_percentage_value(); }
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bool is_length() const { return is_t(); }
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Length const& length() const { return get_t(); }
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virtual Length resolve_calculated(NonnullRefPtr<CalculatedStyleValue> const&, Layout::Node const&, Length const& reference_value) const override;
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};
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}
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@ -70,10 +70,8 @@ LengthPercentage StyleProperties::length_percentage_or_fallback(CSS::PropertyID
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return fallback;
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auto& value = maybe_value.value();
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if (value->is_calculated()) {
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// FIXME: Handle percentages here
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return Length::make_calculated(value->as_calculated());
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}
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if (value->is_calculated())
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return LengthPercentage { value->as_calculated() };
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if (value->is_percentage())
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return value->as_percentage().percentage();
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@ -128,13 +128,13 @@ void BlockFormattingContext::compute_width(Box& box)
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auto margin_left = CSS::Length::make_auto();
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auto margin_right = CSS::Length::make_auto();
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const auto padding_left = computed_values.padding().left.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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const auto padding_right = computed_values.padding().right.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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const auto padding_left = computed_values.padding().left.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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const auto padding_right = computed_values.padding().right.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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auto try_compute_width = [&](const auto& a_width) {
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CSS::Length width = a_width;
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margin_left = computed_values.margin().left.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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margin_right = computed_values.margin().right.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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margin_left = computed_values.margin().left.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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margin_right = computed_values.margin().right.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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float total_px = computed_values.border_left().width + computed_values.border_right().width;
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for (auto& value : { margin_left, padding_left, width, padding_right, margin_right }) {
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@ -208,14 +208,14 @@ void BlockFormattingContext::compute_width(Box& box)
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return width;
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};
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auto specified_width = computed_values.width().resolved(width_of_containing_block_as_length).resolved_or_auto(box);
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auto specified_width = computed_values.width().resolved(box, width_of_containing_block_as_length).resolved_or_auto(box);
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// 1. The tentative used width is calculated (without 'min-width' and 'max-width')
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auto used_width = try_compute_width(specified_width);
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// 2. The tentative used width is greater than 'max-width', the rules above are applied again,
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// but this time using the computed value of 'max-width' as the computed value for 'width'.
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auto specified_max_width = computed_values.max_width().resolved(width_of_containing_block_as_length).resolved_or_auto(box);
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auto specified_max_width = computed_values.max_width().resolved(box, width_of_containing_block_as_length).resolved_or_auto(box);
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if (!specified_max_width.is_auto()) {
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if (used_width.to_px(box) > specified_max_width.to_px(box)) {
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used_width = try_compute_width(specified_max_width);
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@ -224,7 +224,7 @@ void BlockFormattingContext::compute_width(Box& box)
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// 3. If the resulting width is smaller than 'min-width', the rules above are applied again,
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// but this time using the value of 'min-width' as the computed value for 'width'.
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auto specified_min_width = computed_values.min_width().resolved(width_of_containing_block_as_length).resolved_or_auto(box);
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auto specified_min_width = computed_values.min_width().resolved(box, width_of_containing_block_as_length).resolved_or_auto(box);
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if (!specified_min_width.is_auto()) {
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if (used_width.to_px(box) < specified_min_width.to_px(box)) {
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used_width = try_compute_width(specified_min_width);
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@ -248,10 +248,10 @@ void BlockFormattingContext::compute_width_for_floating_box(Box& box)
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auto width_of_containing_block_as_length = CSS::Length::make_px(width_of_containing_block);
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auto zero_value = CSS::Length::make_px(0);
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auto margin_left = computed_values.margin().left.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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auto margin_right = computed_values.margin().right.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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const auto padding_left = computed_values.padding().left.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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const auto padding_right = computed_values.padding().right.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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auto margin_left = computed_values.margin().left.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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auto margin_right = computed_values.margin().right.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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const auto padding_left = computed_values.padding().left.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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const auto padding_right = computed_values.padding().right.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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// If 'margin-left', or 'margin-right' are computed as 'auto', their used value is '0'.
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if (margin_left.is_auto())
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@ -259,7 +259,7 @@ void BlockFormattingContext::compute_width_for_floating_box(Box& box)
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if (margin_right.is_auto())
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margin_right = zero_value;
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auto width = computed_values.width().resolved(width_of_containing_block_as_length).resolved_or_auto(box);
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auto width = computed_values.width().resolved(box, width_of_containing_block_as_length).resolved_or_auto(box);
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// If 'width' is computed as 'auto', the used value is the "shrink-to-fit" width.
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if (width.is_auto()) {
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@ -311,15 +311,15 @@ float BlockFormattingContext::compute_theoretical_height(Box const& box)
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|| (computed_values.height().is_percentage() && !is_absolute(containing_block.computed_values().height()))) {
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height = compute_auto_height_for_block_level_element(box, ConsiderFloats::No);
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} else {
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height = computed_values.height().resolved(containing_block_height).resolved_or_auto(box).to_px(box);
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height = computed_values.height().resolved(box, containing_block_height).resolved_or_auto(box).to_px(box);
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}
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}
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auto specified_max_height = computed_values.max_height().resolved(containing_block_height).resolved_or_auto(box);
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auto specified_max_height = computed_values.max_height().resolved(box, containing_block_height).resolved_or_auto(box);
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if (!specified_max_height.is_auto()
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&& !(computed_values.max_height().is_percentage() && !is_absolute(containing_block.computed_values().height())))
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height = min(height, specified_max_height.to_px(box));
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auto specified_min_height = computed_values.min_height().resolved(containing_block_height).resolved_or_auto(box);
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auto specified_min_height = computed_values.min_height().resolved(box, containing_block_height).resolved_or_auto(box);
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if (!specified_min_height.is_auto()
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&& !(computed_values.min_height().is_percentage() && !is_absolute(containing_block.computed_values().height())))
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height = max(height, specified_min_height.to_px(box));
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@ -335,13 +335,13 @@ void BlockFormattingContext::compute_height(Box& box)
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// First, resolve the top/bottom parts of the surrounding box model.
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// FIXME: While negative values are generally allowed for margins, for now just ignore those for height calculation
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box.box_model().margin.top = max(computed_values.margin().top.resolved(width_of_containing_block_as_length).resolved_or_zero(box).to_px(box), 0);
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box.box_model().margin.bottom = max(computed_values.margin().bottom.resolved(width_of_containing_block_as_length).resolved_or_zero(box).to_px(box), 0);
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box.box_model().margin.top = max(computed_values.margin().top.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box).to_px(box), 0);
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box.box_model().margin.bottom = max(computed_values.margin().bottom.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box).to_px(box), 0);
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box.box_model().border.top = computed_values.border_top().width;
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box.box_model().border.bottom = computed_values.border_bottom().width;
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box.box_model().padding.top = computed_values.padding().top.resolved(width_of_containing_block_as_length).resolved_or_zero(box).to_px(box);
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box.box_model().padding.bottom = computed_values.padding().bottom.resolved(width_of_containing_block_as_length).resolved_or_zero(box).to_px(box);
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box.box_model().padding.top = computed_values.padding().top.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box).to_px(box);
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box.box_model().padding.bottom = computed_values.padding().bottom.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box).to_px(box);
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auto height = compute_theoretical_height(box);
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box.set_height(height);
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@ -357,8 +357,8 @@ void BlockFormattingContext::compute_position(Box& box)
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float width_of_containing_block = box.containing_block()->width();
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auto width_of_containing_block_as_length = CSS::Length::make_px(width_of_containing_block);
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auto specified_left = computed_values.offset().left.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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auto specified_right = computed_values.offset().right.resolved(width_of_containing_block_as_length).resolved_or_zero(box);
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auto specified_left = computed_values.offset().left.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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auto specified_right = computed_values.offset().right.resolved(box, width_of_containing_block_as_length).resolved_or_zero(box);
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if (specified_left.is_auto() && specified_right.is_auto()) {
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// If both 'left' and 'right' are 'auto' (their initial values), the used values are '0' (i.e., the boxes stay in their original position).
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@ -441,12 +441,12 @@ void BlockFormattingContext::compute_vertical_box_model_metrics(Box& child_box,
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auto const& computed_values = child_box.computed_values();
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auto width_of_containing_block = CSS::Length::make_px(containing_block.width());
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box_model.margin.top = computed_values.margin().top.resolved(width_of_containing_block).resolved_or_zero(containing_block).to_px(child_box);
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box_model.margin.bottom = computed_values.margin().bottom.resolved(width_of_containing_block).resolved_or_zero(containing_block).to_px(child_box);
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box_model.margin.top = computed_values.margin().top.resolved(child_box, width_of_containing_block).resolved_or_zero(containing_block).to_px(child_box);
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box_model.margin.bottom = computed_values.margin().bottom.resolved(child_box, width_of_containing_block).resolved_or_zero(containing_block).to_px(child_box);
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box_model.border.top = computed_values.border_top().width;
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box_model.border.bottom = computed_values.border_bottom().width;
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box_model.padding.top = computed_values.padding().top.resolved(width_of_containing_block).resolved_or_zero(containing_block).to_px(child_box);
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box_model.padding.bottom = computed_values.padding().bottom.resolved(width_of_containing_block).resolved_or_zero(containing_block).to_px(child_box);
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box_model.padding.top = computed_values.padding().top.resolved(child_box, width_of_containing_block).resolved_or_zero(containing_block).to_px(child_box);
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box_model.padding.bottom = computed_values.padding().bottom.resolved(child_box, width_of_containing_block).resolved_or_zero(containing_block).to_px(child_box);
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}
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void BlockFormattingContext::place_block_level_element_in_normal_flow_vertically(Box& child_box, BlockContainer const& containing_block)
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@ -20,7 +20,7 @@ namespace Web::Layout {
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static float get_pixel_size(Box const& box, CSS::LengthPercentage const& length_percentage)
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{
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auto inner_main_size = CSS::Length::make_px(box.containing_block()->width());
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return length_percentage.resolved(inner_main_size)
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return length_percentage.resolved(box, inner_main_size)
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.resolved(CSS::Length::make_px(0), box)
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.to_px(box);
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}
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@ -118,15 +118,15 @@ void FlexFormattingContext::populate_specified_margins(FlexItem& item, CSS::Flex
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auto width_of_containing_block_as_length = CSS::Length::make_px(width_of_containing_block);
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// FIXME: This should also take reverse-ness into account
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if (flex_direction == CSS::FlexDirection::Row || flex_direction == CSS::FlexDirection::RowReverse) {
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item.margins.main_before = item.box.computed_values().margin().left.resolved(width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.main_after = item.box.computed_values().margin().right.resolved(width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.cross_before = item.box.computed_values().margin().top.resolved(width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.cross_after = item.box.computed_values().margin().bottom.resolved(width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.main_before = item.box.computed_values().margin().left.resolved(item.box, width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.main_after = item.box.computed_values().margin().right.resolved(item.box, width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.cross_before = item.box.computed_values().margin().top.resolved(item.box, width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.cross_after = item.box.computed_values().margin().bottom.resolved(item.box, width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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} else {
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item.margins.main_before = item.box.computed_values().margin().top.resolved(width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.main_after = item.box.computed_values().margin().bottom.resolved(width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.cross_before = item.box.computed_values().margin().left.resolved(width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.cross_after = item.box.computed_values().margin().right.resolved(width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.main_before = item.box.computed_values().margin().top.resolved(item.box, width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
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item.margins.main_after = item.box.computed_values().margin().bottom.resolved(item.box, width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
|
||||
item.margins.cross_before = item.box.computed_values().margin().left.resolved(item.box, width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
|
||||
item.margins.cross_after = item.box.computed_values().margin().right.resolved(item.box, width_of_containing_block_as_length).resolved_or_zero(item.box).to_px(item.box);
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -143,7 +143,7 @@ void FlexFormattingContext::generate_anonymous_flex_items()
|
|||
flex_container().set_width(flex_container().containing_block()->width());
|
||||
} else {
|
||||
auto container_width = flex_container().containing_block()->width();
|
||||
auto width = flex_container().computed_values().width().resolved(CSS::Length::make_px(container_width)).resolved_or_zero(flex_container()).to_px(flex_container());
|
||||
auto width = flex_container().computed_values().width().resolved(flex_container(), CSS::Length::make_px(container_width)).resolved_or_zero(flex_container()).to_px(flex_container());
|
||||
flex_container().set_width(width);
|
||||
}
|
||||
|
||||
|
|
@ -151,7 +151,7 @@ void FlexFormattingContext::generate_anonymous_flex_items()
|
|||
flex_container().set_height(flex_container().containing_block()->height());
|
||||
} else {
|
||||
auto container_height = flex_container().containing_block()->height();
|
||||
auto height = flex_container().computed_values().height().resolved(CSS::Length::make_px(container_height)).resolved_or_zero(flex_container()).to_px(flex_container());
|
||||
auto height = flex_container().computed_values().height().resolved(flex_container(), CSS::Length::make_px(container_height)).resolved_or_zero(flex_container()).to_px(flex_container());
|
||||
flex_container().set_height(height);
|
||||
}
|
||||
|
||||
|
|
@ -238,7 +238,7 @@ float FlexFormattingContext::specified_main_size_of_child_box(Box const& child_b
|
|||
{
|
||||
auto main_size_of_parent = specified_main_size(flex_container());
|
||||
auto value = is_row_layout() ? child_box.computed_values().width() : child_box.computed_values().height();
|
||||
return value.resolved(CSS::Length::make_px(main_size_of_parent)).resolved_or_zero(child_box).to_px(child_box);
|
||||
return value.resolved(child_box, CSS::Length::make_px(main_size_of_parent)).resolved_or_zero(child_box).to_px(child_box);
|
||||
}
|
||||
|
||||
float FlexFormattingContext::specified_main_min_size(Box const& box) const
|
||||
|
|
|
|||
|
|
@ -157,10 +157,10 @@ static Gfx::FloatSize solve_replaced_size_constraint(float w, float h, const Rep
|
|||
auto width_of_containing_block = CSS::Length::make_px(containing_block.width());
|
||||
auto height_of_containing_block = CSS::Length::make_px(containing_block.height());
|
||||
|
||||
auto specified_min_width = box.computed_values().min_width().resolved(width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
auto specified_max_width = box.computed_values().max_width().resolved(width_of_containing_block).resolved(CSS::Length::make_px(w), box).to_px(box);
|
||||
auto specified_min_height = box.computed_values().min_height().resolved(height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
auto specified_max_height = box.computed_values().max_height().resolved(height_of_containing_block).resolved(CSS::Length::make_px(h), box).to_px(box);
|
||||
auto specified_min_width = box.computed_values().min_width().resolved(box, width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
auto specified_max_width = box.computed_values().max_width().resolved(box, width_of_containing_block).resolved(CSS::Length::make_px(w), box).to_px(box);
|
||||
auto specified_min_height = box.computed_values().min_height().resolved(box, height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
auto specified_max_height = box.computed_values().max_height().resolved(box, height_of_containing_block).resolved(CSS::Length::make_px(h), box).to_px(box);
|
||||
|
||||
auto min_width = min(specified_min_width, specified_max_width);
|
||||
auto max_width = max(specified_min_width, specified_max_width);
|
||||
|
|
@ -252,7 +252,7 @@ float FormattingContext::tentative_width_for_replaced_element(ReplacedBox const&
|
|||
{
|
||||
auto& containing_block = *box.containing_block();
|
||||
auto height_of_containing_block = CSS::Length::make_px(containing_block.height());
|
||||
auto computed_height = box.computed_values().height().resolved(height_of_containing_block).resolved_or_auto(box);
|
||||
auto computed_height = box.computed_values().height().resolved(box, height_of_containing_block).resolved_or_auto(box);
|
||||
|
||||
float used_width = computed_width.to_px(box);
|
||||
|
||||
|
|
@ -314,8 +314,8 @@ float FormattingContext::compute_width_for_replaced_element(const ReplacedBox& b
|
|||
auto& containing_block = *box.containing_block();
|
||||
auto width_of_containing_block = CSS::Length::make_px(containing_block.width());
|
||||
|
||||
auto margin_left = box.computed_values().margin().left.resolved(width_of_containing_block).resolved_or_zero(box);
|
||||
auto margin_right = box.computed_values().margin().right.resolved(width_of_containing_block).resolved_or_zero(box);
|
||||
auto margin_left = box.computed_values().margin().left.resolved(box, width_of_containing_block).resolved_or_zero(box);
|
||||
auto margin_right = box.computed_values().margin().right.resolved(box, width_of_containing_block).resolved_or_zero(box);
|
||||
|
||||
// A computed value of 'auto' for 'margin-left' or 'margin-right' becomes a used value of '0'.
|
||||
if (margin_left.is_auto())
|
||||
|
|
@ -323,14 +323,14 @@ float FormattingContext::compute_width_for_replaced_element(const ReplacedBox& b
|
|||
if (margin_right.is_auto())
|
||||
margin_right = zero_value;
|
||||
|
||||
auto specified_width = box.computed_values().width().resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_width = box.computed_values().width().resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
|
||||
// 1. The tentative used width is calculated (without 'min-width' and 'max-width')
|
||||
auto used_width = tentative_width_for_replaced_element(box, specified_width);
|
||||
|
||||
// 2. The tentative used width is greater than 'max-width', the rules above are applied again,
|
||||
// but this time using the computed value of 'max-width' as the computed value for 'width'.
|
||||
auto specified_max_width = box.computed_values().max_width().resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_max_width = box.computed_values().max_width().resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
if (!specified_max_width.is_auto()) {
|
||||
if (used_width > specified_max_width.to_px(box)) {
|
||||
used_width = tentative_width_for_replaced_element(box, specified_max_width);
|
||||
|
|
@ -339,7 +339,7 @@ float FormattingContext::compute_width_for_replaced_element(const ReplacedBox& b
|
|||
|
||||
// 3. If the resulting width is smaller than 'min-width', the rules above are applied again,
|
||||
// but this time using the value of 'min-width' as the computed value for 'width'.
|
||||
auto specified_min_width = box.computed_values().min_width().resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_min_width = box.computed_values().min_width().resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
if (!specified_min_width.is_auto()) {
|
||||
if (used_width < specified_min_width.to_px(box)) {
|
||||
used_width = tentative_width_for_replaced_element(box, specified_min_width);
|
||||
|
|
@ -355,7 +355,7 @@ float FormattingContext::tentative_height_for_replaced_element(ReplacedBox const
|
|||
{
|
||||
auto& containing_block = *box.containing_block();
|
||||
auto width_of_containing_block = CSS::Length::make_px(containing_block.width());
|
||||
auto computed_width = box.computed_values().width().resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto computed_width = box.computed_values().width().resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
|
||||
// If 'height' and 'width' both have computed values of 'auto' and the element also has
|
||||
// an intrinsic height, then that intrinsic height is the used value of 'height'.
|
||||
|
|
@ -389,8 +389,8 @@ float FormattingContext::compute_height_for_replaced_element(const ReplacedBox&
|
|||
auto& containing_block = *box.containing_block();
|
||||
auto width_of_containing_block = CSS::Length::make_px(containing_block.width());
|
||||
auto height_of_containing_block = CSS::Length::make_px(containing_block.height());
|
||||
auto specified_width = box.computed_values().width().resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_height = box.computed_values().height().resolved(height_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_width = box.computed_values().width().resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_height = box.computed_values().height().resolved(box, height_of_containing_block).resolved_or_auto(box);
|
||||
|
||||
float used_height = tentative_height_for_replaced_element(box, specified_height);
|
||||
|
||||
|
|
@ -414,15 +414,15 @@ void FormattingContext::compute_width_for_absolutely_positioned_non_replaced_ele
|
|||
auto margin_right = CSS::Length::make_auto();
|
||||
const auto border_left = computed_values.border_left().width;
|
||||
const auto border_right = computed_values.border_right().width;
|
||||
const auto padding_left = computed_values.padding().left.resolved(width_of_containing_block).resolved_or_zero(box);
|
||||
const auto padding_right = computed_values.padding().right.resolved(width_of_containing_block).resolved_or_zero(box);
|
||||
const auto padding_left = computed_values.padding().left.resolved(box, width_of_containing_block).resolved_or_zero(box);
|
||||
const auto padding_right = computed_values.padding().right.resolved(box, width_of_containing_block).resolved_or_zero(box);
|
||||
|
||||
auto try_compute_width = [&](const auto& a_width) {
|
||||
margin_left = computed_values.margin().left.resolved(width_of_containing_block).resolved_or_zero(box);
|
||||
margin_right = computed_values.margin().right.resolved(width_of_containing_block).resolved_or_zero(box);
|
||||
margin_left = computed_values.margin().left.resolved(box, width_of_containing_block).resolved_or_zero(box);
|
||||
margin_right = computed_values.margin().right.resolved(box, width_of_containing_block).resolved_or_zero(box);
|
||||
|
||||
auto left = computed_values.offset().left.resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto right = computed_values.offset().right.resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto left = computed_values.offset().left.resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
auto right = computed_values.offset().right.resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
auto width = a_width;
|
||||
|
||||
auto solve_for_left = [&] {
|
||||
|
|
@ -511,14 +511,14 @@ void FormattingContext::compute_width_for_absolutely_positioned_non_replaced_ele
|
|||
return width;
|
||||
};
|
||||
|
||||
auto specified_width = computed_values.width().resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_width = computed_values.width().resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
|
||||
// 1. The tentative used width is calculated (without 'min-width' and 'max-width')
|
||||
auto used_width = try_compute_width(specified_width);
|
||||
|
||||
// 2. The tentative used width is greater than 'max-width', the rules above are applied again,
|
||||
// but this time using the computed value of 'max-width' as the computed value for 'width'.
|
||||
auto specified_max_width = computed_values.max_width().resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_max_width = computed_values.max_width().resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
if (!specified_max_width.is_auto()) {
|
||||
if (used_width.to_px(box) > specified_max_width.to_px(box)) {
|
||||
used_width = try_compute_width(specified_max_width);
|
||||
|
|
@ -527,7 +527,7 @@ void FormattingContext::compute_width_for_absolutely_positioned_non_replaced_ele
|
|||
|
||||
// 3. If the resulting width is smaller than 'min-width', the rules above are applied again,
|
||||
// but this time using the value of 'min-width' as the computed value for 'width'.
|
||||
auto specified_min_width = computed_values.min_width().resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_min_width = computed_values.min_width().resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
if (!specified_min_width.is_auto()) {
|
||||
if (used_width.to_px(box) < specified_min_width.to_px(box)) {
|
||||
used_width = try_compute_width(specified_min_width);
|
||||
|
|
@ -559,25 +559,25 @@ void FormattingContext::compute_height_for_absolutely_positioned_non_replaced_el
|
|||
auto width_of_containing_block = CSS::Length::make_px(containing_block.width());
|
||||
auto height_of_containing_block = CSS::Length::make_px(containing_block.height());
|
||||
|
||||
CSS::Length specified_top = computed_values.offset().top.resolved(height_of_containing_block).resolved_or_auto(box);
|
||||
CSS::Length specified_bottom = computed_values.offset().bottom.resolved(height_of_containing_block).resolved_or_auto(box);
|
||||
CSS::Length specified_top = computed_values.offset().top.resolved(box, height_of_containing_block).resolved_or_auto(box);
|
||||
CSS::Length specified_bottom = computed_values.offset().bottom.resolved(box, height_of_containing_block).resolved_or_auto(box);
|
||||
CSS::Length specified_height;
|
||||
|
||||
if (computed_values.height().is_percentage() && !(containing_block.computed_values().height().is_length() && containing_block.computed_values().height().length().is_absolute())) {
|
||||
specified_height = CSS::Length::make_auto();
|
||||
} else {
|
||||
specified_height = computed_values.height().resolved(height_of_containing_block).resolved_or_auto(box);
|
||||
specified_height = computed_values.height().resolved(box, height_of_containing_block).resolved_or_auto(box);
|
||||
}
|
||||
|
||||
auto specified_max_height = computed_values.max_height().resolved(height_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_min_height = computed_values.min_height().resolved(height_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_max_height = computed_values.max_height().resolved(box, height_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_min_height = computed_values.min_height().resolved(box, height_of_containing_block).resolved_or_auto(box);
|
||||
|
||||
box.box_model().margin.top = computed_values.margin().top.resolved(width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
box.box_model().margin.bottom = computed_values.margin().bottom.resolved(width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
box.box_model().margin.top = computed_values.margin().top.resolved(box, width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
box.box_model().margin.bottom = computed_values.margin().bottom.resolved(box, width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
box.box_model().border.top = computed_values.border_top().width;
|
||||
box.box_model().border.bottom = computed_values.border_bottom().width;
|
||||
box.box_model().padding.top = computed_values.padding().top.resolved(width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
box.box_model().padding.bottom = computed_values.padding().bottom.resolved(width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
box.box_model().padding.top = computed_values.padding().top.resolved(box, width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
box.box_model().padding.bottom = computed_values.padding().bottom.resolved(box, width_of_containing_block).resolved_or_zero(box).to_px(box);
|
||||
|
||||
if (specified_height.is_auto() && !specified_top.is_auto() && specified_bottom.is_auto()) {
|
||||
const auto& margin = box.box_model().margin;
|
||||
|
|
@ -613,26 +613,26 @@ void FormattingContext::layout_absolutely_positioned_element(Box& box)
|
|||
auto height_of_containing_block = CSS::Length::make_px(containing_block.height());
|
||||
auto& box_model = box.box_model();
|
||||
|
||||
auto specified_width = box.computed_values().width().resolved(width_of_containing_block).resolved_or_auto(box);
|
||||
auto specified_width = box.computed_values().width().resolved(box, width_of_containing_block).resolved_or_auto(box);
|
||||
|
||||
compute_width_for_absolutely_positioned_element(box);
|
||||
(void)layout_inside(box, LayoutMode::Default);
|
||||
compute_height_for_absolutely_positioned_element(box);
|
||||
|
||||
box_model.margin.left = box.computed_values().margin().left.resolved(width_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.margin.top = box.computed_values().margin().top.resolved(height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.margin.right = box.computed_values().margin().right.resolved(width_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.margin.bottom = box.computed_values().margin().bottom.resolved(height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.margin.left = box.computed_values().margin().left.resolved(box, width_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.margin.top = box.computed_values().margin().top.resolved(box, height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.margin.right = box.computed_values().margin().right.resolved(box, width_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.margin.bottom = box.computed_values().margin().bottom.resolved(box, height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
|
||||
box_model.border.left = box.computed_values().border_left().width;
|
||||
box_model.border.right = box.computed_values().border_right().width;
|
||||
box_model.border.top = box.computed_values().border_top().width;
|
||||
box_model.border.bottom = box.computed_values().border_bottom().width;
|
||||
|
||||
box_model.offset.left = box.computed_values().offset().left.resolved(width_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.offset.top = box.computed_values().offset().top.resolved(height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.offset.right = box.computed_values().offset().right.resolved(width_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.offset.bottom = box.computed_values().offset().bottom.resolved(height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.offset.left = box.computed_values().offset().left.resolved(box, width_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.offset.top = box.computed_values().offset().top.resolved(box, height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.offset.right = box.computed_values().offset().right.resolved(box, width_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
box_model.offset.bottom = box.computed_values().offset().bottom.resolved(box, height_of_containing_block).resolved_or_auto(box).to_px(box);
|
||||
|
||||
auto is_auto = [](auto const& length_percentage) {
|
||||
return length_percentage.is_length() && length_percentage.length().is_auto();
|
||||
|
|
|
|||
|
|
@ -119,13 +119,13 @@ void InlineFormattingContext::dimension_box_on_line(Box& box, LayoutMode layout_
|
|||
auto result = calculate_shrink_to_fit_widths(inline_block);
|
||||
auto width_of_containing_block = CSS::Length::make_px(containing_block().width());
|
||||
|
||||
auto margin_left = inline_block.computed_values().margin().left.resolved(width_of_containing_block).resolved_or_zero(inline_block).to_px(inline_block);
|
||||
auto margin_left = inline_block.computed_values().margin().left.resolved(box, width_of_containing_block).resolved_or_zero(inline_block).to_px(inline_block);
|
||||
auto border_left_width = inline_block.computed_values().border_left().width;
|
||||
auto padding_left = inline_block.computed_values().padding().left.resolved(width_of_containing_block).resolved_or_zero(inline_block).to_px(inline_block);
|
||||
auto padding_left = inline_block.computed_values().padding().left.resolved(box, width_of_containing_block).resolved_or_zero(inline_block).to_px(inline_block);
|
||||
|
||||
auto margin_right = inline_block.computed_values().margin().right.resolved(width_of_containing_block).resolved_or_zero(inline_block).to_px(inline_block);
|
||||
auto margin_right = inline_block.computed_values().margin().right.resolved(box, width_of_containing_block).resolved_or_zero(inline_block).to_px(inline_block);
|
||||
auto border_right_width = inline_block.computed_values().border_right().width;
|
||||
auto padding_right = inline_block.computed_values().padding().right.resolved(width_of_containing_block).resolved_or_zero(inline_block).to_px(inline_block);
|
||||
auto padding_right = inline_block.computed_values().padding().right.resolved(box, width_of_containing_block).resolved_or_zero(inline_block).to_px(inline_block);
|
||||
|
||||
auto available_width = containing_block().width()
|
||||
- margin_left
|
||||
|
|
@ -139,7 +139,7 @@ void InlineFormattingContext::dimension_box_on_line(Box& box, LayoutMode layout_
|
|||
inline_block.set_width(width);
|
||||
} else {
|
||||
auto container_width = CSS::Length::make_px(containing_block().width());
|
||||
inline_block.set_width(inline_block.computed_values().width().resolved(container_width).resolved_or_zero(inline_block).to_px(inline_block));
|
||||
inline_block.set_width(inline_block.computed_values().width().resolved(box, container_width).resolved_or_zero(inline_block).to_px(inline_block));
|
||||
}
|
||||
(void)layout_inside(inline_block, layout_mode);
|
||||
|
||||
|
|
@ -147,7 +147,7 @@ void InlineFormattingContext::dimension_box_on_line(Box& box, LayoutMode layout_
|
|||
// FIXME: (10.6.6) If 'height' is 'auto', the height depends on the element's descendants per 10.6.7.
|
||||
} else {
|
||||
auto container_height = CSS::Length::make_px(containing_block().height());
|
||||
inline_block.set_height(inline_block.computed_values().height().resolved(container_height).resolved_or_zero(inline_block).to_px(inline_block));
|
||||
inline_block.set_height(inline_block.computed_values().height().resolved(box, container_height).resolved_or_zero(inline_block).to_px(inline_block));
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -88,20 +88,20 @@ void paint_background(PaintContext& context, Layout::NodeWithStyleAndBoxModelMet
|
|||
width = image.width();
|
||||
height = image.height();
|
||||
} else if (x_is_auto) {
|
||||
height = layer.size_y.resolved(CSS::Length::make_px(background_positioning_area.height()))
|
||||
height = layer.size_y.resolved(layout_node, CSS::Length::make_px(background_positioning_area.height()))
|
||||
.resolved_or_zero(layout_node)
|
||||
.to_px(layout_node);
|
||||
width = roundf(image.width() * ((float)height / (float)image.height()));
|
||||
} else if (y_is_auto) {
|
||||
width = layer.size_x.resolved(CSS::Length::make_px(background_positioning_area.width()))
|
||||
width = layer.size_x.resolved(layout_node, CSS::Length::make_px(background_positioning_area.width()))
|
||||
.resolved_or_zero(layout_node)
|
||||
.to_px(layout_node);
|
||||
height = roundf(image.height() * ((float)width / (float)image.width()));
|
||||
} else {
|
||||
width = layer.size_x.resolved(CSS::Length::make_px(background_positioning_area.width()))
|
||||
width = layer.size_x.resolved(layout_node, CSS::Length::make_px(background_positioning_area.width()))
|
||||
.resolved_or_zero(layout_node)
|
||||
.to_px(layout_node);
|
||||
height = layer.size_y.resolved(CSS::Length::make_px(background_positioning_area.height()))
|
||||
height = layer.size_y.resolved(layout_node, CSS::Length::make_px(background_positioning_area.height()))
|
||||
.resolved_or_zero(layout_node)
|
||||
.to_px(layout_node);
|
||||
}
|
||||
|
|
@ -143,7 +143,7 @@ void paint_background(PaintContext& context, Layout::NodeWithStyleAndBoxModelMet
|
|||
int space_y = background_positioning_area.height() - image_rect.height();
|
||||
|
||||
// Position
|
||||
int offset_x = layer.position_offset_x.resolved(CSS::Length::make_px(space_x))
|
||||
int offset_x = layer.position_offset_x.resolved(layout_node, CSS::Length::make_px(space_x))
|
||||
.resolved_or_zero(layout_node)
|
||||
.to_px(layout_node);
|
||||
if (layer.position_edge_x == CSS::PositionEdge::Right) {
|
||||
|
|
@ -152,7 +152,7 @@ void paint_background(PaintContext& context, Layout::NodeWithStyleAndBoxModelMet
|
|||
image_rect.set_left(background_positioning_area.left() + offset_x);
|
||||
}
|
||||
|
||||
int offset_y = layer.position_offset_y.resolved(CSS::Length::make_px(space_y))
|
||||
int offset_y = layer.position_offset_y.resolved(layout_node, CSS::Length::make_px(space_y))
|
||||
.resolved_or_zero(layout_node)
|
||||
.to_px(layout_node);
|
||||
if (layer.position_edge_y == CSS::PositionEdge::Bottom) {
|
||||
|
|
|
|||
|
|
@ -17,10 +17,10 @@ BorderRadiusData normalized_border_radius_data(Layout::Node const& node, Gfx::Fl
|
|||
// Spec just says "Refer to corresponding dimension of the border box."
|
||||
// For now, all relative values are relative to the width.
|
||||
auto width_length = CSS::Length::make_px(rect.width());
|
||||
auto bottom_left_radius_px = bottom_left_radius.resolved(width_length).resolved_or_zero(node).to_px(node);
|
||||
auto bottom_right_radius_px = bottom_right_radius.resolved(width_length).resolved_or_zero(node).to_px(node);
|
||||
auto top_left_radius_px = top_left_radius.resolved(width_length).resolved_or_zero(node).to_px(node);
|
||||
auto top_right_radius_px = top_right_radius.resolved(width_length).resolved_or_zero(node).to_px(node);
|
||||
auto bottom_left_radius_px = bottom_left_radius.resolved(node, width_length).resolved_or_zero(node).to_px(node);
|
||||
auto bottom_right_radius_px = bottom_right_radius.resolved(node, width_length).resolved_or_zero(node).to_px(node);
|
||||
auto top_left_radius_px = top_left_radius.resolved(node, width_length).resolved_or_zero(node).to_px(node);
|
||||
auto top_right_radius_px = top_right_radius.resolved(node, width_length).resolved_or_zero(node).to_px(node);
|
||||
|
||||
// Scale overlapping curves according to https://www.w3.org/TR/css-backgrounds-3/#corner-overlap
|
||||
auto f = 1.0f;
|
||||
|
|
|
|||
|
|
@ -62,7 +62,7 @@ Optional<float> SVGGraphicsElement::stroke_width() const
|
|||
// Resolved relative to the "Scaled viewport size": https://www.w3.org/TR/2017/WD-fill-stroke-3-20170413/#scaled-viewport-size
|
||||
// FIXME: This isn't right, but it's something.
|
||||
auto scaled_viewport_size = CSS::Length::make_px((client_width() + client_height()) * 0.5f);
|
||||
return width->resolved(scaled_viewport_size).to_px(*layout_node());
|
||||
return width->resolved(*layout_node(), scaled_viewport_size).to_px(*layout_node());
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue