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LibDevTools+LibWebView+WebContent: Implement moving DOM nodes

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This allows for click-and-dragging DOM nodes in DevTools to move them.
This commit is contained in:
Timothy Flynn 2025-03-10 18:01:29 -04:00 • committed by Tim Flynn
commit cbefa797d4
Notes: github-actions[bot] 2025-03-11 13:51:48 +00:00
9 changed files with 88 additions and 0 deletions
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47
Libraries/LibDevTools/Actors/WalkerActor.cpp
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@ -232,6 +232,53 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
return;
}
if (type == "insertBefore"sv) {
auto node = message.get_string("node"sv);
if (!node.has_value()) {
send_missing_parameter_error("node"sv);
return;
}
auto parent = message.get_string("parent"sv);
if (!parent.has_value()) {
send_missing_parameter_error("parent"sv);
return;
}
auto dom_node = WalkerActor::dom_node_for(*this, *node);
auto parent_dom_node = WalkerActor::dom_node_for(*this, *parent);
Optional<Web::UniqueNodeID> sibling_node_id;
if (auto sibling = message.get_string("sibling"sv); sibling.has_value()) {
auto sibling_dom_node = WalkerActor::dom_node_for(*this, *sibling);
if (!sibling_dom_node.has_value())
return;
sibling_node_id = sibling_dom_node->identifier.id;
}
if (dom_node.has_value() && parent_dom_node.has_value()) {
auto block_token = block_responses();
devtools().delegate().insert_dom_node_before(
dom_node->tab->description(), dom_node->identifier.id, parent_dom_node->identifier.id, sibling_node_id,
[weak_self = make_weak_ptr<WalkerActor>(), block_token = move(block_token)](ErrorOr<Web::UniqueNodeID> node_id) mutable {
if (node_id.is_error()) {
dbgln_if(DEVTOOLS_DEBUG, "Unable to edit DOM node: {}", node_id.error());
return;
}
if (auto self = weak_self.strong_ref()) {
JsonObject message;
message.set("from"sv, self->name());
self->send_message(move(message), move(block_token));
}
});
}
return;
}
if (type == "isInDOMTree"sv) {
auto node = message.get_string("node"sv);
if (!node.has_value()) {