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e361025cfb
This tab allows you to view the accessibility tree like you do the DOM tree. The implementation limited to the role currently, once we add the name and description calculation algorithm, those will be displayed here as well. Selections are also not currently supported.
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*
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* Copyright (c) 2022, Jonah Shafran <jonahshafran@gmail.com>
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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 <AK/JsonObject.h>
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#include <LibGUI/Model.h>
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#include <LibWeb/CSS/Selector.h>
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namespace WebView {
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class AccessibilityTreeModel final : public GUI::Model {
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public:
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static NonnullRefPtr<AccessibilityTreeModel> create(StringView accessibility_tree, GUI::TreeView& tree_view)
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{
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auto json_or_error = JsonValue::from_string(accessibility_tree).release_value_but_fixme_should_propagate_errors();
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return adopt_ref(*new AccessibilityTreeModel(json_or_error.as_object(), &tree_view));
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}
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static NonnullRefPtr<AccessibilityTreeModel> create(StringView accessibility_tree)
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{
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auto json_or_error = JsonValue::from_string(accessibility_tree).release_value_but_fixme_should_propagate_errors();
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return adopt_ref(*new AccessibilityTreeModel(json_or_error.as_object(), nullptr));
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}
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virtual ~AccessibilityTreeModel() override;
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virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
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virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
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virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
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virtual GUI::ModelIndex index(int row, int column, GUI::ModelIndex const& parent = GUI::ModelIndex()) const override;
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virtual GUI::ModelIndex parent_index(GUI::ModelIndex const&) const override;
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private:
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AccessibilityTreeModel(JsonObject, GUI::TreeView*);
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ALWAYS_INLINE JsonObject const* get_parent(JsonObject const& o) const
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{
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auto parent_node = m_accessibility_node_to_parent_map.get(&o);
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VERIFY(parent_node.has_value());
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return *parent_node;
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}
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ALWAYS_INLINE static JsonArray const* get_children(JsonObject const& o)
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{
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if (auto const* maybe_children = o.get_ptr("children"sv); maybe_children)
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return &maybe_children->as_array();
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return nullptr;
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}
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void map_accessibility_nodes_to_parent(JsonObject const* parent, JsonObject const* child);
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GUI::TreeView* m_tree_view { nullptr };
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JsonObject m_accessibility_tree;
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HashMap<JsonObject const*, JsonObject const*> m_accessibility_node_to_parent_map;
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};
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}
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