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/*
* Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::Selection {
class Selection final : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(Selection, Bindings::PlatformObject);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Selection>> create(JS::NonnullGCPtr<JS::Realm>, JS::NonnullGCPtr<DOM::Document>);
virtual ~Selection() override;
enum class Direction {
Forwards,
Backwards,
Directionless,
};
JS::GCPtr<DOM::Node> anchor_node();
unsigned anchor_offset();
JS::GCPtr<DOM::Node> focus_node();
unsigned focus_offset() const;
bool is_collapsed() const;
unsigned range_count() const;
DeprecatedString type() const;
WebIDL::ExceptionOr<JS::GCPtr<DOM::Range>> get_range_at(unsigned index);
void add_range(JS::NonnullGCPtr<DOM::Range>);
WebIDL::ExceptionOr<void> remove_range(JS::NonnullGCPtr<DOM::Range>);
void remove_all_ranges();
void empty();
WebIDL::ExceptionOr<void> collapse(JS::GCPtr<DOM::Node>, unsigned offset);
WebIDL::ExceptionOr<void> set_position(JS::GCPtr<DOM::Node>, unsigned offset);
WebIDL::ExceptionOr<void> collapse_to_start();
WebIDL::ExceptionOr<void> collapse_to_end();
WebIDL::ExceptionOr<void> extend(JS::NonnullGCPtr<DOM::Node>, unsigned offset);
WebIDL::ExceptionOr<void> set_base_and_extent(JS::NonnullGCPtr<DOM::Node> anchor_node, unsigned anchor_offset, JS::NonnullGCPtr<DOM::Node> focus_node, unsigned focus_offset);
WebIDL::ExceptionOr<void> select_all_children(JS::NonnullGCPtr<DOM::Node>);
WebIDL::ExceptionOr<void>
delete_from_document();
bool contains_node(JS::NonnullGCPtr<DOM::Node>, bool allow_partial_containment) const;
DeprecatedString to_deprecated_string() const;
// Non-standard convenience accessor for the selection's range.
JS::GCPtr<DOM::Range> range() const;
// Non-standard accessor for the selection's document.
JS::NonnullGCPtr<DOM::Document> document() const;
private:
Selection(JS::NonnullGCPtr<JS::Realm>, JS::NonnullGCPtr<DOM::Document>);
[[nodiscard]] bool is_empty() const;
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
void set_range(JS::GCPtr<DOM::Range>);
// https://w3c.github.io/selection-api/#dfn-empty
JS::GCPtr<DOM::Range> m_range;
JS::NonnullGCPtr<DOM::Document> m_document;
Direction m_direction { Direction::Directionless };
};
}
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