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LibWeb: Implement "delete the selection" for the editing API

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Jelle Raaijmakers 2024-12-04 23:08:46 +01:00 • committed by Jelle Raaijmakers
parent fd949ee3dd
commit 30ec8c1d4d
Notes: github-actions[bot] 2024-12-10 13:55:13 +00:00
3 changed files with 681 additions and 28 deletions
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29
Libraries/LibWeb/Editing/Internal/Algorithms.h
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@ -8,6 +8,7 @@
#include <AK/Vector.h>
#include <LibWeb/DOM/Node.h>
#include <LibWeb/Selection/Selection.h>
namespace Web::Editing {
@ -18,14 +19,32 @@ struct RecordedNodeValue {
Optional<String> specified_command_value;
};
// https://w3c.github.io/editing/docs/execCommand/#record-current-states-and-values
struct RecordedOverride {
FlyString const& command;
Variant<String, bool> value;
};
using Selection::Selection;
// https://dom.spec.whatwg.org/#concept-range-bp
// FIXME: This should be defined by DOM::Range
struct BoundaryPoint {
GC::Ref<DOM::Node> node;
WebIDL::UnsignedLong offset;
};
// Below algorithms are specified here:
// https://w3c.github.io/editing/docs/execCommand/#assorted-common-algorithms
GC::Ref<DOM::Range> block_extend_a_range(DOM::Range&);
GC::Ptr<DOM::Node> block_node_of_node(GC::Ref<DOM::Node>);
String canonical_space_sequence(u32 length, bool non_breaking_start, bool non_breaking_end);
void canonicalize_whitespace(GC::Ref<DOM::Node>, u32 offset, bool fix_collapsed_space = true);
void delete_the_selection(Selection::Selection const&);
void delete_the_selection(Selection&, bool block_merging = true, bool strip_wrappers = true,
Selection::Direction direction = Selection::Direction::Forwards);
GC::Ptr<DOM::Node> editing_host_of_node(GC::Ref<DOM::Node>);
BoundaryPoint first_equivalent_point(BoundaryPoint);
void fix_disallowed_ancestors_of_node(GC::Ref<DOM::Node>);
bool follows_a_line_break(GC::Ref<DOM::Node>);
bool is_allowed_child_of_node(Variant<GC::Ref<DOM::Node>, FlyString> child, Variant<GC::Ref<DOM::Node>, FlyString> parent);
@ -33,6 +52,8 @@ bool is_block_boundary_point(GC::Ref<DOM::Node>, u32 offset);
bool is_block_end_point(GC::Ref<DOM::Node>, u32 offset);
bool is_block_node(GC::Ref<DOM::Node>);
bool is_block_start_point(GC::Ref<DOM::Node>, u32 offset);
bool is_collapsed_block_prop(GC::Ref<DOM::Node>);
bool is_collapsed_line_break(GC::Ref<DOM::Node>);
bool is_collapsed_whitespace_node(GC::Ref<DOM::Node>);
bool is_element_with_inline_contents(GC::Ref<DOM::Node>);
bool is_extraneous_line_break(GC::Ref<DOM::Node>);
@ -46,14 +67,19 @@ bool is_prohibited_paragraph_child_name(FlyString const&);
bool is_single_line_container(GC::Ref<DOM::Node>);
bool is_visible_node(GC::Ref<DOM::Node>);
bool is_whitespace_node(GC::Ref<DOM::Node>);
BoundaryPoint last_equivalent_point(BoundaryPoint);
void move_node_preserving_ranges(GC::Ref<DOM::Node>, GC::Ref<DOM::Node> new_parent, u32 new_index);
Optional<BoundaryPoint> next_equivalent_point(BoundaryPoint);
void normalize_sublists_in_node(GC::Ref<DOM::Element>);
bool precedes_a_line_break(GC::Ref<DOM::Node>);
Optional<BoundaryPoint> previous_equivalent_point(BoundaryPoint);
Vector<RecordedOverride> record_current_states_and_values(GC::Ref<DOM::Range>);
Vector<RecordedNodeValue> record_the_values_of_nodes(Vector<GC::Ref<DOM::Node>> const&);
void remove_extraneous_line_breaks_at_the_end_of_node(GC::Ref<DOM::Node>);
void remove_extraneous_line_breaks_before_node(GC::Ref<DOM::Node>);
void remove_extraneous_line_breaks_from_a_node(GC::Ref<DOM::Node>);
void remove_node_preserving_its_descendants(GC::Ref<DOM::Node>);
void restore_states_and_values(GC::Ref<DOM::Range>, Vector<RecordedOverride> const&);
void restore_the_values_of_nodes(Vector<RecordedNodeValue> const&);
GC::Ref<DOM::Element> set_the_tag_name(GC::Ref<DOM::Element>, FlyString const&);
Optional<String> specified_command_value(GC::Ref<DOM::Element>, FlyString const& command);
@ -62,6 +88,7 @@ GC::Ptr<DOM::Node> wrap(Vector<GC::Ref<DOM::Node>>, Function<bool(GC::Ref<DOM::N
// Utility methods:
bool has_visible_children(GC::Ref<DOM::Node>);
bool is_heading(FlyString const&);
}