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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2020, Adam Hodgen <ant1441@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include <AK/JsonObject.h>
#include <LibGUI/Model.h>
#include <LibWeb/CSS/Selector.h>
#include <LibWeb/Forward.h>
namespace WebView {
class DOMTreeModel final : public GUI::Model {
public:
static NonnullRefPtr<DOMTreeModel> create(StringView dom_tree, GUI::TreeView& tree_view)
{
auto json_or_error = JsonValue::from_string(dom_tree).release_value_but_fixme_should_propagate_errors();
return adopt_ref(*new DOMTreeModel(json_or_error.as_object(), tree_view));
}
virtual ~DOMTreeModel() override;
virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;
virtual GUI::ModelIndex index(int row, int column, const GUI::ModelIndex& parent = GUI::ModelIndex()) const override;
virtual GUI::ModelIndex parent_index(const GUI::ModelIndex&) const override;
GUI::ModelIndex index_for_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> pseudo_element) const;
private:
DOMTreeModel(JsonObject, GUI::TreeView&);
ALWAYS_INLINE JsonObject const* get_parent(JsonObject const& o) const
{
auto parent_node = m_dom_node_to_parent_map.get(&o);
VERIFY(parent_node.has_value());
return *parent_node;
}
ALWAYS_INLINE static JsonArray const* get_children(JsonObject const& o)
{
if (auto const* maybe_children = o.get_ptr("children"sv); maybe_children)
return &maybe_children->as_array();
return nullptr;
}
void map_dom_nodes_to_parent(JsonObject const* parent, JsonObject const* child);
GUI::TreeView& m_tree_view;
GUI::Icon m_document_icon;
GUI::Icon m_element_icon;
GUI::Icon m_text_icon;
JsonObject m_dom_tree;
HashMap<JsonObject const*, JsonObject const*> m_dom_node_to_parent_map;
HashMap<i32, JsonObject const*> m_node_id_to_dom_node_map;
};
}
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