2692db8699
Note that as of this commit, there aren't any such throwers, and the call site in Heap::allocate will drop exceptions on the floor. This commit only serves to change the declaration of the overrides, make sure they return an empty value, and to propagate OOM errors frm their base initialize invocations.
70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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* Copyright (c) 2022, Andreas Kling <kling@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 <LibGfx/Painter.h>
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#include <LibWeb/CSS/Parser/Parser.h>
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#include <LibWeb/CSS/StyleComputer.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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#include <LibWeb/Layout/SVGSVGBox.h>
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#include <LibWeb/SVG/AttributeNames.h>
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#include <LibWeb/SVG/SVGSVGElement.h>
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namespace Web::SVG {
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SVGSVGElement::SVGSVGElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: SVGGraphicsElement(document, qualified_name)
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{
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}
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JS::ThrowCompletionOr<void> SVGSVGElement::initialize(JS::Realm& realm)
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{
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MUST_OR_THROW_OOM(Base::initialize(realm));
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set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGSVGElementPrototype>(realm, "SVGSVGElement"));
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return {};
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}
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JS::GCPtr<Layout::Node> SVGSVGElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
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{
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return heap().allocate_without_realm<Layout::SVGSVGBox>(document(), *this, move(style));
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}
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void SVGSVGElement::apply_presentational_hints(CSS::StyleProperties& style) const
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{
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auto width_attribute = attribute(SVG::AttributeNames::width);
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if (auto width_value = HTML::parse_dimension_value(width_attribute)) {
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style.set_property(CSS::PropertyID::Width, width_value.release_nonnull());
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} else if (width_attribute == "") {
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// If the `width` attribute is an empty string, it defaults to 100%.
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// This matches WebKit and Blink, but not Firefox. The spec is unclear.
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// FIXME: Figure out what to do here.
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style.set_property(CSS::PropertyID::Width, CSS::PercentageStyleValue::create(CSS::Percentage { 100 }));
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}
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// Height defaults to 100%
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auto height_attribute = attribute(SVG::AttributeNames::height);
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if (auto height_value = HTML::parse_dimension_value(height_attribute)) {
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style.set_property(CSS::PropertyID::Height, height_value.release_nonnull());
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} else if (height_attribute == "") {
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// If the `height` attribute is an empty string, it defaults to 100%.
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// This matches WebKit and Blink, but not Firefox. The spec is unclear.
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// FIXME: Figure out what to do here.
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style.set_property(CSS::PropertyID::Height, CSS::PercentageStyleValue::create(CSS::Percentage { 100 }));
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}
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}
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void SVGSVGElement::parse_attribute(DeprecatedFlyString const& name, DeprecatedString const& value)
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{
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SVGGraphicsElement::parse_attribute(name, value);
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if (name.equals_ignoring_case(SVG::AttributeNames::viewBox))
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m_view_box = try_parse_view_box(value);
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}
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}
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