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.
103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
/*
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* Copyright (c) 2018-2020, 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 <LibWeb/DOM/ARIARoles.h>
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#include <LibWeb/HTML/HTMLAnchorElement.h>
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#include <LibWeb/HTML/Window.h>
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namespace Web::HTML {
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HTMLAnchorElement::HTMLAnchorElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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{
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activation_behavior = [this](auto const& event) {
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run_activation_behavior(event);
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};
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}
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HTMLAnchorElement::~HTMLAnchorElement() = default;
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JS::ThrowCompletionOr<void> HTMLAnchorElement::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::HTMLAnchorElementPrototype>(realm, "HTMLAnchorElement"));
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return {};
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}
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void HTMLAnchorElement::parse_attribute(DeprecatedFlyString const& name, DeprecatedString const& value)
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{
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HTMLElement::parse_attribute(name, value);
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if (name == HTML::AttributeNames::href) {
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set_the_url();
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}
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}
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DeprecatedString HTMLAnchorElement::hyperlink_element_utils_href() const
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{
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return attribute(HTML::AttributeNames::href);
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}
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void HTMLAnchorElement::set_hyperlink_element_utils_href(DeprecatedString href)
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{
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MUST(set_attribute(HTML::AttributeNames::href, move(href)));
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}
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void HTMLAnchorElement::run_activation_behavior(Web::DOM::Event const&)
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{
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// The activation behavior of an a element element given an event event is:
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// 1. If element has no href attribute, then return.
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if (href().is_empty())
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return;
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// 2. Let hyperlinkSuffix be null.
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Optional<DeprecatedString> hyperlink_suffix {};
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// FIXME: 3. If event's target is an img with an ismap attribute
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// specified, then:
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// 3.1. Let x and y be 0.
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//
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// 3.2. If event's isTrusted attribute is initialized to true, then
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// set x to the distance in CSS pixels from the left edge of the image
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// to the location of the click, and set y to the distance in CSS
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// pixels from the top edge of the image to the location of the click.
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//
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// 3.3. If x is negative, set x to 0.
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//
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// 3.4. If y is negative, set y to 0.
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//
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// 3.5. Set hyperlinkSuffix to the concatenation of U+003F (?), the
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// value of x expressed as a base-ten integer using ASCII digits,
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// U+002C (,), and the value of y expressed as a base-ten integer
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// using ASCII digits.
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// FIXME: 4. If element has a download attribute, or if the user has
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// expressed a preference to download the hyperlink, then download the
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// hyperlink created by element given hyperlinkSuffix.
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// 5. Otherwise, follow the hyperlink created by element given
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// hyperlinkSuffix.
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follow_the_hyperlink(hyperlink_suffix);
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}
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// https://html.spec.whatwg.org/multipage/interaction.html#dom-tabindex
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i32 HTMLAnchorElement::default_tab_index_value() const
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{
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// See the base function for the spec comments.
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return 0;
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}
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Optional<DOM::ARIARoles::Role> HTMLAnchorElement::default_role() const
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{
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// https://www.w3.org/TR/html-aria/#el-a-no-href
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if (!href().is_null())
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return DOM::ARIARoles::Role::link;
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// https://www.w3.org/TR/html-aria/#el-a
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return DOM::ARIARoles::Role::generic;
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}
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}
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