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LibWeb: Implement StaticRange

This commit is contained in:
Luke Wilde 2022-01-30 23:37:42 +00:00 committed by Andreas Kling
parent a2acda5669
commit 3d44118595
6 changed files with 93 additions and 0 deletions

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/*
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/TypeCasts.h>
#include <LibWeb/DOM/Attribute.h>
#include <LibWeb/DOM/DocumentType.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/DOM/StaticRange.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)
{
}
StaticRange::~StaticRange()
{
}
// https://dom.spec.whatwg.org/#dom-staticrange-staticrange
ExceptionOr<NonnullRefPtr<StaticRange>> StaticRange::create_with_global_object(JS::GlobalObject&, 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<Attribute>(*init.start_container))
return DOM::InvalidNodeTypeError::create("startContainer cannot be a DocumentType or Attribute node.");
if (is<DocumentType>(*init.end_container) || is<Attribute>(*init.end_container))
return DOM::InvalidNodeTypeError::create("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 adopt_ref(*new StaticRange(*init.start_container, init.start_offset, *init.end_container, init.end_offset));
}
}

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/*
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/DOM/AbstractRange.h>
namespace Web::DOM {
// NOTE: We must use RP instead of NNRP here, otherwise the generated code cannot default initialize this struct.
// They will never be null, as they are marked as required and non-null in the dictionary.
struct StaticRangeInit {
RefPtr<Node> start_container;
u32 start_offset { 0 };
RefPtr<Node> end_container;
u32 end_offset { 0 };
};
class StaticRange final : public AbstractRange {
public:
using WrapperType = Bindings::StaticRangeWrapper;
virtual ~StaticRange() override;
static ExceptionOr<NonnullRefPtr<StaticRange>> create_with_global_object(JS::GlobalObject&, StaticRangeInit& init);
private:
StaticRange(Node& start_container, u32 start_offset, Node& end_container, u32 end_offset);
};
}

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#import <DOM/Node.idl>
#import <DOM/AbstractRange.idl>
[Exposed=Window]
interface StaticRange : AbstractRange {
constructor(StaticRangeInit init);
};
dictionary StaticRangeInit {
required Node startContainer;
required unsigned long startOffset;
required Node endContainer;
required unsigned long endOffset;
};