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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
13 changed files with 315 additions and 78 deletions
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37
Userland/Libraries/LibWeb/HTML/Scripting/WindowEnvironmentSettingsObject.cpp
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@ -10,17 +10,17 @@
namespace Web::HTML {
WindowEnvironmentSettingsObject::WindowEnvironmentSettingsObject(Window& window, JS::ExecutionContext& execution_context)
: EnvironmentSettingsObject(execution_context)
WindowEnvironmentSettingsObject::WindowEnvironmentSettingsObject(Window& window, NonnullOwnPtr<JS::ExecutionContext> execution_context)
: EnvironmentSettingsObject(move(execution_context))
, m_window(window)
{
}
// https://html.spec.whatwg.org/multipage/window-object.html#set-up-a-window-environment-settings-object
void WindowEnvironmentSettingsObject::setup(AK::URL& creation_url, JS::ExecutionContext& execution_context)
void WindowEnvironmentSettingsObject::setup(AK::URL const& creation_url, NonnullOwnPtr<JS::ExecutionContext> execution_context, Optional<Environment> reserved_environment, AK::URL top_level_creation_url, Origin top_level_origin)
{
// 1. Let realm be the value of execution context's Realm component.
auto* realm = execution_context.realm;
auto* realm = execution_context->realm;
VERIFY(realm);
// 2. Let window be realm's global object.
@ -29,17 +29,32 @@ void WindowEnvironmentSettingsObject::setup(AK::URL& creation_url, JS::Execution
// 3. Let settings object be a new environment settings object whose algorithms are defined as follows:
// NOTE: See the functions defined for this class.
auto settings_object = adopt_own(*new WindowEnvironmentSettingsObject(window, execution_context));
auto settings_object = adopt_own(*new WindowEnvironmentSettingsObject(window, move(execution_context)));
// FIXME: 4. If reservedEnvironment is non-null, then:
// FIXME: 1. Set settings object's id to reservedEnvironment's id, target browsing context to reservedEnvironment's target browsing context, and active service worker to reservedEnvironment's active service worker.
// FIXME: 2. Set reservedEnvironment's id to the empty string.
// 4. If reservedEnvironment is non-null, then:
if (reserved_environment.has_value()) {
// FIXME: 1. Set settings object's id to reservedEnvironment's id,
// target browsing context to reservedEnvironment's target browsing context,
// and active service worker to reservedEnvironment's active service worker.
settings_object->target_browsing_context = reserved_environment->target_browsing_context;
// FIXME: 5. Otherwise, set settings object's id to a new unique opaque string, settings object's target browsing context to null, and settings object's active service worker to null.
settings_object->target_browsing_context = nullptr;
// FIXME: 2. Set reservedEnvironment's id to the empty string.
}
// FIXME: 6. Set settings object's creation URL to creationURL, settings object's top-level creation URL to topLevelCreationURL, and settings object's top-level origin to topLevelOrigin.
// 5. Otherwise, ...
else {
// FIXME: ...set settings object's id to a new unique opaque string,
// settings object's target browsing context to null,
// and settings object's active service worker to null.
settings_object->target_browsing_context = nullptr;
}
// 6. Set settings object's creation URL to creationURL,
// settings object's top-level creation URL to topLevelCreationURL,
// and settings object's top-level origin to topLevelOrigin.
settings_object->creation_url = creation_url;
settings_object->top_level_creation_url = top_level_creation_url;
settings_object->top_level_origin = top_level_origin;
// 7. Set realm's [[HostDefined]] field to settings object.
realm->set_host_defined(move(settings_object));