ladybird/Userland/Libraries/LibWeb/DOM/StaticRange.cpp
Andrew Kaster 8de7e49a56 LibWeb: Remove unecessary dependence on Window from DOM and WebIDL
These classes only needed Window to get at its realm. Pass a realm
directly to construct DOM and WebIDL classes.

This change importantly removes the guarantee that a Document will
always have a non-null Window object. Only Documents created by a
BrowsingContext will have a non-null Window object. Documents created by
for example, DocumentFragment, will not have a Window (soon).

This incremental commit leaves some workarounds in place to keep other
parts of the code building.
2022-10-01 21:05:32 +01:00

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/*
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/TypeCasts.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/DOM/Attr.h>
#include <LibWeb/DOM/DocumentType.h>
#include <LibWeb/DOM/StaticRange.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::DOM {
StaticRange::StaticRange(Node& start_container, u32 start_offset, Node& end_container, u32 end_offset)
: AbstractRange(start_container, start_offset, end_container, end_offset)
{
set_prototype(&Bindings::cached_web_prototype(start_container.realm(), "StaticRange"));
}
StaticRange::~StaticRange() = default;
// https://dom.spec.whatwg.org/#dom-staticrange-staticrange
WebIDL::ExceptionOr<StaticRange*> StaticRange::construct_impl(JS::Realm& realm, StaticRangeInit& init)
{
// 1. If init["startContainer"] or init["endContainer"] is a DocumentType or Attr node, then throw an "InvalidNodeTypeError" DOMException.
if (is<DocumentType>(*init.start_container) || is<Attr>(*init.start_container))
return WebIDL::InvalidNodeTypeError::create(realm, "startContainer cannot be a DocumentType or Attribute node.");
if (is<DocumentType>(*init.end_container) || is<Attr>(*init.end_container))
return WebIDL::InvalidNodeTypeError::create(realm, "endContainer cannot be a DocumentType or Attribute node.");
// 2. Set thiss start to (init["startContainer"], init["startOffset"]) and end to (init["endContainer"], init["endOffset"]).
return realm.heap().allocate<StaticRange>(realm, *init.start_container, init.start_offset, *init.end_container, init.end_offset);
}
}