0f6782fae6
This should allow us to add a Element::attribute which returns an Optional<String>. Eventually all callers should be ported to switch from the DeprecatedString version, but in the meantime, this should allow us to port some more IDL interfaces away from DeprecatedString.
139 lines
4.9 KiB
C++
139 lines
4.9 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/ARIA/Roles.h>
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#include <LibWeb/HTML/HTMLAnchorElement.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/ReferrerPolicy/ReferrerPolicy.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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void HTMLAnchorElement::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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set_prototype(&Bindings::ensure_web_prototype<Bindings::HTMLAnchorElementPrototype>(realm, "HTMLAnchorElement"));
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}
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void HTMLAnchorElement::attribute_changed(DeprecatedFlyString const& name, DeprecatedString const& value)
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{
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HTMLElement::attribute_changed(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 deprecated_attribute(HTML::AttributeNames::href);
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}
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WebIDL::ExceptionOr<void> HTMLAnchorElement::set_hyperlink_element_utils_href(DeprecatedString href)
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{
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return 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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// AD-HOC: follow_the_hyperlink currently doesn't navigate properly with javascript urls
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// EventHandler::handle_mouseup performs the navigation steps for javascript urls instead
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if (href().starts_with("javascript:"sv))
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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<ARIA::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 ARIA::Role::link;
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// https://www.w3.org/TR/html-aria/#el-a
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return ARIA::Role::generic;
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}
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// https://html.spec.whatwg.org/multipage/text-level-semantics.html#dom-a-text
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DeprecatedString HTMLAnchorElement::text() const
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{
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// The text attribute's getter must return this element's descendant text content.
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return descendant_text_content();
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}
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// https://html.spec.whatwg.org/multipage/text-level-semantics.html#dom-a-text
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void HTMLAnchorElement::set_text(DeprecatedString const& text)
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{
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// The text attribute's setter must string replace all with the given value within this element.
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string_replace_all(text);
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}
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// https://html.spec.whatwg.org/multipage/text-level-semantics.html#dom-a-referrerpolicy
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DeprecatedString HTMLAnchorElement::referrer_policy() const
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{
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// The IDL attribute referrerPolicy must reflect the referrerpolicy content attribute, limited to only known values.
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auto policy_string = deprecated_attribute(HTML::AttributeNames::referrerpolicy);
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auto maybe_policy = ReferrerPolicy::from_string(policy_string);
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if (maybe_policy.has_value())
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return ReferrerPolicy::to_string(maybe_policy.value());
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return "";
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}
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// https://html.spec.whatwg.org/multipage/text-level-semantics.html#dom-a-referrerpolicy
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WebIDL::ExceptionOr<void> HTMLAnchorElement::set_referrer_policy(DeprecatedString const& referrer_policy)
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{
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// The IDL attribute referrerPolicy must reflect the referrerpolicy content attribute, limited to only known values.
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return set_attribute(HTML::AttributeNames::referrerpolicy, referrer_policy);
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}
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}
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