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LibWeb: Start implementing "create and initialize a Document" from HTML

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The way we've been creating DOM::Document has been pretty far from what
the spec tells us to do, and this is a first big step towards getting us
closer to spec.

The new Document::create_and_initialize() is called by FrameLoader after
loading a "text/html" resource.

We create the JS Realm and the Window object when creating the Document
(previously, we'd do it on first access to Document::interpreter().)

The realm execution context is owned by the Environment Settings Object.
This commit is contained in:
Andreas Kling
2022-08-04 21:30:33 +02:00
parent 0781bdb23e
commit 602f927982
Notes: sideshowbarker 2024-07-18 05:01:22 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/602f927982
13 changed files with 315 additions and 78 deletions
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6
Userland/Libraries/LibWeb/HTML/Scripting/Environments.cpp
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@@ -16,8 +16,8 @@
namespace Web::HTML {
EnvironmentSettingsObject::EnvironmentSettingsObject(JS::ExecutionContext& realm_execution_context)
: m_realm_execution_context(realm_execution_context)
EnvironmentSettingsObject::EnvironmentSettingsObject(NonnullOwnPtr<JS::ExecutionContext> realm_execution_context)
: m_realm_execution_context(move(realm_execution_context))
{
// Register with the responsible event loop so we can perform step 4 of "perform a microtask checkpoint".
responsible_event_loop().register_environment_settings_object({}, *this);
@@ -31,7 +31,7 @@ EnvironmentSettingsObject::~EnvironmentSettingsObject()
JS::ExecutionContext& EnvironmentSettingsObject::realm_execution_context()
{
// NOTE: All environment settings objects are created with a realm execution context, so it's stored and returned here in the base class.
return m_realm_execution_context;
return *m_realm_execution_context;
}
// https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object%27s-realm