mirror of
https://github.com/RGBCube/serenity
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72c9f56c66
Stop worrying about tiny OOMs. Work towards #20449. While going through these, I also changed the function signature in many places where returning ThrowCompletionOr<T> is no longer necessary.
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
/*
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* Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::Selection {
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class Selection final : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(Selection, Bindings::PlatformObject);
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public:
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[[nodiscard]] static JS::NonnullGCPtr<Selection> create(JS::NonnullGCPtr<JS::Realm>, JS::NonnullGCPtr<DOM::Document>);
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virtual ~Selection() override;
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enum class Direction {
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Forwards,
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Backwards,
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Directionless,
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};
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JS::GCPtr<DOM::Node> anchor_node();
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unsigned anchor_offset();
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JS::GCPtr<DOM::Node> focus_node();
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unsigned focus_offset() const;
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bool is_collapsed() const;
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unsigned range_count() const;
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DeprecatedString type() const;
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WebIDL::ExceptionOr<JS::GCPtr<DOM::Range>> get_range_at(unsigned index);
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void add_range(JS::NonnullGCPtr<DOM::Range>);
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WebIDL::ExceptionOr<void> remove_range(JS::NonnullGCPtr<DOM::Range>);
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void remove_all_ranges();
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void empty();
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WebIDL::ExceptionOr<void> collapse(JS::GCPtr<DOM::Node>, unsigned offset);
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WebIDL::ExceptionOr<void> set_position(JS::GCPtr<DOM::Node>, unsigned offset);
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WebIDL::ExceptionOr<void> collapse_to_start();
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WebIDL::ExceptionOr<void> collapse_to_end();
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WebIDL::ExceptionOr<void> extend(JS::NonnullGCPtr<DOM::Node>, unsigned offset);
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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);
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WebIDL::ExceptionOr<void> select_all_children(JS::NonnullGCPtr<DOM::Node>);
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WebIDL::ExceptionOr<void>
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delete_from_document();
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bool contains_node(JS::NonnullGCPtr<DOM::Node>, bool allow_partial_containment) const;
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DeprecatedString to_deprecated_string() const;
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// Non-standard convenience accessor for the selection's range.
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JS::GCPtr<DOM::Range> range() const;
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// Non-standard accessor for the selection's document.
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JS::NonnullGCPtr<DOM::Document> document() const;
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private:
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Selection(JS::NonnullGCPtr<JS::Realm>, JS::NonnullGCPtr<DOM::Document>);
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[[nodiscard]] bool is_empty() const;
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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void set_range(JS::GCPtr<DOM::Range>);
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// https://w3c.github.io/selection-api/#dfn-empty
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JS::GCPtr<DOM::Range> m_range;
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JS::NonnullGCPtr<DOM::Document> m_document;
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Direction m_direction { Direction::Directionless };
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};
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}
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