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LibHTML: Add inserted_into() and removed_from() TreeNode callbacks

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These will be called when a Node or LayoutNode is inserted or removed
from a tree. They get the parent node as an argument.
This commit is contained in:
Andreas Kling 2019-09-29 17:40:39 +02:00
parent 402c6de5c9
commit 7912592f89
Notes: sideshowbarker 2024-07-19 11:53:18 +09:00
4 changed files with 26 additions and 5 deletions
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16
Libraries/LibHTML/Parser/HTMLParser.cpp
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@ -1,3 +1,4 @@
#include <AK/Function.h>
#include <AK/NonnullRefPtrVector.h>
#include <AK/StringBuilder.h>
#include <LibHTML/DOM/Element.h>
@ -99,7 +100,7 @@ NonnullRefPtr<Document> parse_html(const String& html)
attribute_value_buffer.clear();
if (state == State::Free && !text_buffer.string_view().is_empty()) {
auto text_node = adopt(*new Text(document, text_buffer.to_string()));
node_stack.last().append_child(text_node);
node_stack.last().append_child(text_node, false);
}
state = new_state;
text_buffer.clear();
@ -116,7 +117,7 @@ NonnullRefPtr<Document> parse_html(const String& html)
new_element->set_attributes(move(attributes));
node_stack.append(new_element);
if (node_stack.size() != 1)
node_stack[node_stack.size() - 2].append_child(new_element);
node_stack[node_stack.size() - 2].append_child(new_element, false);
if (is_self_closing_tag(new_element->tag_name()))
close_tag();
@ -278,5 +279,16 @@ NonnullRefPtr<Document> parse_html(const String& html)
ASSERT_NOT_REACHED();
}
}
Function<void(Node&)> fire_insertion_callbacks = [&](Node& node) {
for (auto* child = node.first_child(); child; child = child->next_sibling()) {
fire_insertion_callbacks(*child);
}
if (node.parent())
node.inserted_into(*node.parent());
};
fire_insertion_callbacks(*document);
return document;
}