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LibWeb: Introduce the Environment Settings Object

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The environment settings object is effectively the context a piece of
script is running under, for example, it contains the origin,
responsible document, realm, global object and event loop for the
current context. This effectively replaces ScriptExecutionContext, but
it cannot be removed in this commit as EventTarget still depends on it.

https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object
This commit is contained in:
Luke Wilde 2021-10-14 16:12:53 +01:00 • committed by Linus Groh
parent 4db5406d62
commit f71f404e0c
Notes: sideshowbarker 2024-07-17 19:09:28 +09:00
29 changed files with 883 additions and 86 deletions
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9
Userland/Libraries/LibWeb/HTML/HTMLScriptElement.cpp
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@ -85,7 +85,7 @@ void HTMLScriptElement::execute_script()
dbgln_if(HTML_SCRIPT_DEBUG, "HTMLScriptElement: Running inline script");
// 3. Run the classic script given by the script's script for scriptElement.
verify_cast<ClassicScript>(*m_script).run();
(void)verify_cast<ClassicScript>(*m_script).run();
// 4. Set document's currentScript attribute to oldCurrentScript.
node_document->set_current_script({}, old_current_script);
@ -259,7 +259,8 @@ void HTMLScriptElement::prepare_script()
// FIXME: 24. Let options be a script fetch options whose cryptographic nonce is cryptographic nonce, integrity metadata is integrity metadata, parser metadata is parser metadata,
// credentials mode is module script credentials mode, and referrer policy is referrer policy.
// FIXME: 25. Let settings object be the element's node document's relevant settings object.
// 25. Let settings object be the element's node document's relevant settings object.
// NOTE: This will be done manually when this is required, as two of the use cases are inside lambdas that get executed later and thus a reference cannot be taken.
// 26. If the element has a src content attribute, then:
if (has_attribute(HTML::AttributeNames::src)) {
@ -302,7 +303,7 @@ void HTMLScriptElement::prepare_script()
}
// FIXME: This is all ad-hoc and needs work.
auto script = ClassicScript::create(url.to_string(), data, document().realm(), AK::URL());
auto script = ClassicScript::create(url.to_string(), data, document().relevant_settings_object(), AK::URL());
// When the chosen algorithm asynchronously completes, set the script's script to the result. At that time, the script is ready.
m_script = script;
@ -328,7 +329,7 @@ void HTMLScriptElement::prepare_script()
// 1. Let script be the result of creating a classic script using source text, settings object, base URL, and options.
// FIXME: Pass settings, base URL and options.
auto script = ClassicScript::create(m_document->url().to_string(), source_text, document().realm(), AK::URL());
auto script = ClassicScript::create(m_document->url().to_string(), source_text, document().relevant_settings_object(), AK::URL());
// 2. Set the script's script to script.
m_script = script;