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LibDevTools: Support highlighting DOM nodes hovered in the inspector

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Timothy Flynn 2025-02-20 08:58:35 -05:00 • committed by Tim Flynn
commit 6e8d77ff7f
Notes: github-actions[bot] 2025-02-24 17:07:00 +00:00
10 changed files with 116 additions and 9 deletions
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35
Libraries/LibDevTools/Actors/HighlighterActor.cpp
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@ -6,33 +6,58 @@
#include <AK/JsonObject.h>
#include <LibDevTools/Actors/HighlighterActor.h>
#include <LibDevTools/Actors/InspectorActor.h>
#include <LibDevTools/Actors/TabActor.h>
#include <LibDevTools/Actors/WalkerActor.h>
#include <LibDevTools/DevToolsDelegate.h>
#include <LibDevTools/DevToolsServer.h>
namespace DevTools {
NonnullRefPtr<HighlighterActor> HighlighterActor::create(DevToolsServer& devtools, String name)
NonnullRefPtr<HighlighterActor> HighlighterActor::create(DevToolsServer& devtools, String name, WeakPtr<InspectorActor> inspector)
{
return adopt_ref(*new HighlighterActor(devtools, move(name)));
return adopt_ref(*new HighlighterActor(devtools, move(name), move(inspector)));
}
HighlighterActor::HighlighterActor(DevToolsServer& devtools, String name)
HighlighterActor::HighlighterActor(DevToolsServer& devtools, String name, WeakPtr<InspectorActor> inspector)
: Actor(devtools, move(name))
, m_inspector(move(inspector))
{
}
HighlighterActor::~HighlighterActor() = default;
void HighlighterActor::handle_message(StringView type, JsonObject const&)
void HighlighterActor::handle_message(StringView type, JsonObject const& message)
{
JsonObject response;
response.set("from"sv, name());
if (type == "show"sv) {
response.set("value"sv, true);
auto node = message.get_string("node"sv);
if (!node.has_value()) {
send_missing_parameter_error("node"sv);
return;
}
auto tab = InspectorActor::tab_for(m_inspector);
auto walker = InspectorActor::walker_for(m_inspector);
response.set("value"sv, false);
if (tab && walker) {
if (auto const& dom_node = walker->dom_node(*node); dom_node.has_value()) {
devtools().delegate().highlight_dom_node(tab->description(), dom_node->id, dom_node->pseudo_element);
response.set("value"sv, true);
}
}
send_message(move(response));
return;
}
if (type == "hide"sv) {
if (auto tab = InspectorActor::tab_for(m_inspector))
devtools().delegate().clear_highlighted_dom_node(tab->description());
send_message(move(response));
return;
}