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LibWeb+LibWebView+WebContent: Inform the UI about DOM mutations

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This will allow our DevTools server to inform the Firefox DevTools
client about DOM mutations.
This commit is contained in:
Timothy Flynn 2025-03-06 17:32:43 -05:00 • committed by Andreas Kling
commit 2c4b420acc
Notes: github-actions[bot] 2025-03-08 00:27:41 +00:00
17 changed files with 253 additions and 12 deletions
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43
Services/WebContent/PageClient.cpp
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@ -7,6 +7,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/JsonObjectSerializer.h>
#include <AK/JsonValue.h>
#include <LibGfx/ShareableBitmap.h>
#include <LibJS/Console.h>
@ -15,7 +16,11 @@
#include <LibWeb/CSS/CSSImportRule.h>
#include <LibWeb/Cookie/ParsedCookie.h>
#include <LibWeb/DOM/Attr.h>
#include <LibWeb/DOM/CharacterData.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/DOM/MutationType.h>
#include <LibWeb/DOM/NamedNodeMap.h>
#include <LibWeb/DOM/NodeList.h>
#include <LibWeb/HTML/HTMLLinkElement.h>
#include <LibWeb/HTML/HTMLStyleElement.h>
#include <LibWeb/HTML/Scripting/ClassicScript.h>
@ -656,6 +661,44 @@ IPC::File PageClient::request_worker_agent()
return response->take_socket();
}
void PageClient::page_did_mutate_dom(FlyString const& type, Web::DOM::Node const& target, Web::DOM::NodeList& added_nodes, Web::DOM::NodeList& removed_nodes, GC::Ptr<Web::DOM::Node>, GC::Ptr<Web::DOM::Node>, Optional<String> const& attribute_name)
{
Optional<WebView::Mutation::Type> mutation;
if (type == Web::DOM::MutationType::attributes) {
VERIFY(attribute_name.has_value());
auto const& element = as<Web::DOM::Element>(target);
mutation = WebView::AttributeMutation { *attribute_name, element.attribute(*attribute_name) };
} else if (type == Web::DOM::MutationType::characterData) {
auto const& character_data = as<Web::DOM::CharacterData>(target);
mutation = WebView::CharacterDataMutation { character_data.data() };
} else if (type == Web::DOM::MutationType::childList) {
Vector<Web::UniqueNodeID> added;
added.ensure_capacity(added_nodes.length());
Vector<Web::UniqueNodeID> removed;
removed.ensure_capacity(removed_nodes.length());
for (auto i = 0u; i < added_nodes.length(); ++i)
added.unchecked_append(added_nodes.item(i)->unique_id());
for (auto i = 0u; i < removed_nodes.length(); ++i)
removed.unchecked_append(removed_nodes.item(i)->unique_id());
mutation = WebView::ChildListMutation { move(added), move(removed), target.child_count() };
} else {
VERIFY_NOT_REACHED();
}
StringBuilder builder;
auto serializer = MUST(JsonObjectSerializer<>::try_create(builder));
target.serialize_tree_as_json(serializer);
MUST(serializer.finish());
auto serialized_target = MUST(builder.to_string());
client().async_did_mutate_dom(m_id, { type.to_string(), target.unique_id(), move(serialized_target), mutation.release_value() });
}
void PageClient::inspector_did_load()
{
client().async_inspector_did_load(m_id);