ladybird/Userland/Libraries/LibWeb/DOM/Range.h
2023-03-06 13:05:43 +00:00

122 lines
4.2 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/DOM/AbstractRange.h>
#include <LibWeb/Selection/Selection.h>
namespace Web::DOM {
enum class RelativeBoundaryPointPosition {
Equal,
Before,
After,
};
// https://dom.spec.whatwg.org/#concept-range-bp-position
RelativeBoundaryPointPosition position_of_boundary_point_relative_to_other_boundary_point(Node const& node_a, u32 offset_a, Node const& node_b, u32 offset_b);
class Range final : public AbstractRange {
WEB_PLATFORM_OBJECT(Range, AbstractRange);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Range>> create(Document&);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Range>> create(HTML::Window&);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Range>> create(Node& start_container, u32 start_offset, Node& end_container, u32 end_offset);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Range>> construct_impl(JS::Realm&);
virtual ~Range() override;
// FIXME: There are a ton of methods missing here.
WebIDL::ExceptionOr<void> set_start(Node& node, u32 offset);
WebIDL::ExceptionOr<void> set_end(Node& node, u32 offset);
WebIDL::ExceptionOr<void> set_start_before(Node& node);
WebIDL::ExceptionOr<void> set_start_after(Node& node);
WebIDL::ExceptionOr<void> set_end_before(Node& node);
WebIDL::ExceptionOr<void> set_end_after(Node& node);
WebIDL::ExceptionOr<void> select_node(Node& node);
void collapse(bool to_start);
WebIDL::ExceptionOr<void> select_node_contents(Node&);
// https://dom.spec.whatwg.org/#dom-range-start_to_start
enum HowToCompareBoundaryPoints : u16 {
START_TO_START = 0,
START_TO_END = 1,
END_TO_END = 2,
END_TO_START = 3,
};
WebIDL::ExceptionOr<i16> compare_boundary_points(u16 how, Range const& source_range) const;
JS::NonnullGCPtr<Range> inverted() const;
JS::NonnullGCPtr<Range> normalized() const;
JS::NonnullGCPtr<Range> clone_range() const;
JS::NonnullGCPtr<Node> common_ancestor_container() const;
// https://dom.spec.whatwg.org/#dom-range-detach
void detach() const
{
// The detach() method steps are to do nothing.
// Note: Its functionality (disabling a Range object) was removed, but the method itself is preserved for compatibility.
}
bool intersects_node(Node const&) const;
WebIDL::ExceptionOr<bool> is_point_in_range(Node const&, u32 offset) const;
WebIDL::ExceptionOr<i16> compare_point(Node const&, u32 offset) const;
WebIDL::ExceptionOr<void> delete_contents();
WebIDL::ExceptionOr<JS::NonnullGCPtr<DocumentFragment>> extract_contents();
WebIDL::ExceptionOr<JS::NonnullGCPtr<DocumentFragment>> clone_contents();
WebIDL::ExceptionOr<void> insert_node(JS::NonnullGCPtr<Node>);
WebIDL::ExceptionOr<void> surround_contents(JS::NonnullGCPtr<Node> new_parent);
DeprecatedString to_deprecated_string() const;
static HashTable<Range*>& live_ranges();
JS::NonnullGCPtr<Geometry::DOMRect> get_bounding_client_rect() const;
bool contains_node(Node const&) const;
void set_associated_selection(Badge<Selection::Selection>, JS::GCPtr<Selection::Selection>);
private:
explicit Range(Document&);
Range(Node& start_container, u32 start_offset, Node& end_container, u32 end_offset);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
Node& root();
Node const& root() const;
void update_associated_selection();
enum class StartOrEnd {
Start,
End,
};
WebIDL::ExceptionOr<void> set_start_or_end(Node& node, u32 offset, StartOrEnd start_or_end);
WebIDL::ExceptionOr<void> select(Node& node);
WebIDL::ExceptionOr<JS::NonnullGCPtr<DocumentFragment>> extract();
WebIDL::ExceptionOr<JS::NonnullGCPtr<DocumentFragment>> clone_the_contents();
WebIDL::ExceptionOr<void> insert(JS::NonnullGCPtr<Node>);
bool partially_contains_node(Node const&) const;
JS::GCPtr<Selection::Selection> m_associated_selection;
};
}