LibWeb: Stub out a basic Selection interface

This patch establishes scaffolding for the Selection API.

1 files changed, 48 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/Selection/Selection.h b/Userland/Libraries/LibWeb/Selection/Selection.h
new file mode 100644
index 0000000000..56731c9aab
--- /dev/null
+++ b/Userland/Libraries/LibWeb/Selection/Selection.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/NonnullRefPtr.h>
+#include <AK/RefCounted.h>
+#include <LibWeb/Bindings/Wrappable.h>
+
+namespace Web::Selection {
+
+class Selection
+    : public RefCounted<Selection>
+    , public Bindings::Wrappable {
+public:
+    using WrapperType = Bindings::SelectionWrapper;
+
+    static NonnullRefPtr<Selection> create();
+
+    DOM::Node* anchor_node();
+    unsigned anchor_offset();
+    DOM::Node* focus_node();
+    unsigned focus_offset() const;
+    bool is_collapsed() const;
+    unsigned range_count() const;
+    String type() const;
+    NonnullRefPtr<DOM::Range> get_range_at(unsigned index);
+    void add_range(DOM::Range&);
+    void remove_range(DOM::Range&);
+    void remove_all_ranges();
+    void empty();
+    void collapse(DOM::Node*, unsigned offset);
+    void set_position(DOM::Node*, unsigned offset);
+    void collapse_to_start();
+    void collapse_to_end();
+    void extend(DOM::Node&, unsigned offset);
+    void set_base_and_extent(DOM::Node& anchor_node, unsigned anchor_offset, DOM::Node& focus_node, unsigned focus_offset);
+    void select_all_children(DOM::Node&);
+    void delete_from_document();
+    bool contains_node(DOM::Node&, bool allow_partial_containment) const;
+
+    String to_string() const;
+};
+
+}