ladybird/Libraries/LibDevTools/Actors/FrameActor.cpp
Andreas Kling cd8778f662 LibDevTools: Stream console messages instead of polling by index
Previously, console messages were sent using an index-based system where
DevTools would be notified of new message indices and then request them
in batches. This created synchronization issues during page navigation
when the WebContent process resets while DevTools still has stale index
state.

This changes to a push-based model where console messages are sent
immediately as resources when they are logged, matching how Firefox
DevTools handles console messages. Each message is pushed through IPC
and forwarded to DevTools as a "console-message" or "error-message"
resource.

This eliminates the need for index tracking in FrameActor and simplifies
the entire console message pipeline from WebContent through to DevTools.
2026-01-15 20:10:19 +01:00

521 lines
20 KiB
C++

/*
* Copyright (c) 2025, Tim Flynn <trflynn89@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Enumerate.h>
#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <LibDevTools/Actors/AccessibilityActor.h>
#include <LibDevTools/Actors/CSSPropertiesActor.h>
#include <LibDevTools/Actors/ConsoleActor.h>
#include <LibDevTools/Actors/FrameActor.h>
#include <LibDevTools/Actors/InspectorActor.h>
#include <LibDevTools/Actors/NetworkEventActor.h>
#include <LibDevTools/Actors/StyleSheetsActor.h>
#include <LibDevTools/Actors/TabActor.h>
#include <LibDevTools/Actors/ThreadActor.h>
#include <LibDevTools/DevToolsDelegate.h>
#include <LibDevTools/DevToolsServer.h>
#include <LibWebView/ConsoleOutput.h>
namespace DevTools {
NonnullRefPtr<FrameActor> FrameActor::create(DevToolsServer& devtools, String name, WeakPtr<TabActor> tab, WeakPtr<CSSPropertiesActor> css_properties, WeakPtr<ConsoleActor> console, WeakPtr<InspectorActor> inspector, WeakPtr<StyleSheetsActor> style_sheets, WeakPtr<ThreadActor> thread, WeakPtr<AccessibilityActor> accessibility)
{
return adopt_ref(*new FrameActor(devtools, move(name), move(tab), move(css_properties), move(console), move(inspector), move(style_sheets), move(thread), move(accessibility)));
}
FrameActor::FrameActor(DevToolsServer& devtools, String name, WeakPtr<TabActor> tab, WeakPtr<CSSPropertiesActor> css_properties, WeakPtr<ConsoleActor> console, WeakPtr<InspectorActor> inspector, WeakPtr<StyleSheetsActor> style_sheets, WeakPtr<ThreadActor> thread, WeakPtr<AccessibilityActor> accessibility)
: Actor(devtools, move(name))
, m_tab(move(tab))
, m_css_properties(move(css_properties))
, m_console(move(console))
, m_inspector(move(inspector))
, m_style_sheets(move(style_sheets))
, m_thread(move(thread))
, m_accessibility(move(accessibility))
{
if (auto tab = m_tab.strong_ref()) {
devtools.delegate().listen_for_console_messages(
tab->description(),
[weak_self = make_weak_ptr<FrameActor>()](WebView::ConsoleOutput console_output) {
if (auto self = weak_self.strong_ref())
self->on_console_message(move(console_output));
});
// FIXME: We should adopt WebContent to inform us when style sheets are available or removed.
devtools.delegate().retrieve_style_sheets(tab->description(),
async_handler<FrameActor>({}, [](auto& self, auto style_sheets, auto& response) {
self.style_sheets_available(response, move(style_sheets));
}));
devtools.delegate().listen_for_network_events(
tab->description(),
[weak_self = make_weak_ptr<FrameActor>()](DevToolsDelegate::NetworkRequestData data) {
if (auto self = weak_self.strong_ref())
self->on_network_request_started(move(data));
},
[weak_self = make_weak_ptr<FrameActor>()](DevToolsDelegate::NetworkResponseData data) {
if (auto self = weak_self.strong_ref())
self->on_network_response_headers_received(move(data));
},
[weak_self = make_weak_ptr<FrameActor>()](DevToolsDelegate::NetworkRequestCompleteData data) {
if (auto self = weak_self.strong_ref())
self->on_network_request_finished(move(data));
});
devtools.delegate().listen_for_navigation_events(
tab->description(),
[weak_self = make_weak_ptr<FrameActor>()](String url) {
if (auto self = weak_self.strong_ref())
self->on_navigation_started(move(url));
},
[weak_self = make_weak_ptr<FrameActor>()](String url, String title) {
if (auto self = weak_self.strong_ref())
self->on_navigation_finished(move(url), move(title));
});
}
}
FrameActor::~FrameActor()
{
if (auto tab = m_tab.strong_ref()) {
devtools().delegate().stop_listening_for_console_messages(tab->description());
devtools().delegate().stop_listening_for_network_events(tab->description());
devtools().delegate().stop_listening_for_navigation_events(tab->description());
}
}
void FrameActor::handle_message(Message const& message)
{
JsonObject response;
if (message.type == "detach"sv) {
if (auto tab = m_tab.strong_ref()) {
devtools().delegate().stop_listening_for_dom_properties(tab->description());
devtools().delegate().stop_listening_for_dom_mutations(tab->description());
devtools().delegate().stop_listening_for_console_messages(tab->description());
devtools().delegate().stop_listening_for_style_sheet_sources(tab->description());
tab->reset_selected_node();
}
send_response(message, move(response));
return;
}
if (message.type == "listFrames"sv) {
send_response(message, move(response));
return;
}
send_unrecognized_packet_type_error(message);
}
void FrameActor::send_frame_update_message()
{
JsonArray frames;
if (auto tab_actor = m_tab.strong_ref()) {
JsonObject frame;
frame.set("id"sv, tab_actor->description().id);
frame.set("title"sv, tab_actor->description().title);
frame.set("url"sv, tab_actor->description().url);
frames.must_append(move(frame));
}
JsonObject message;
message.set("type"sv, "frameUpdate"sv);
message.set("frames"sv, move(frames));
send_message(move(message));
}
JsonObject FrameActor::serialize_target() const
{
JsonObject traits;
traits.set("frames"sv, true);
traits.set("isBrowsingContext"sv, true);
traits.set("logInPage"sv, false);
traits.set("navigation"sv, true);
traits.set("supportsTopLevelTargetFlag"sv, true);
traits.set("watchpoints"sv, true);
JsonObject target;
target.set("actor"sv, name());
target.set("targetType"sv, "frame"sv);
if (auto tab_actor = m_tab.strong_ref()) {
target.set("title"sv, tab_actor->description().title);
target.set("url"sv, tab_actor->description().url);
target.set("browsingContextID"sv, tab_actor->description().id);
target.set("outerWindowID"sv, tab_actor->description().id);
target.set("isTopLevelTarget"sv, true);
}
target.set("traits"sv, move(traits));
if (auto accessibility = m_accessibility.strong_ref())
target.set("accessibilityActor"sv, accessibility->name());
if (auto console = m_console.strong_ref())
target.set("consoleActor"sv, console->name());
if (auto css_properties = m_css_properties.strong_ref())
target.set("cssPropertiesActor"sv, css_properties->name());
if (auto inspector = m_inspector.strong_ref())
target.set("inspectorActor"sv, inspector->name());
if (auto style_sheets = m_style_sheets.strong_ref())
target.set("styleSheetsActor"sv, style_sheets->name());
if (auto thread = m_thread.strong_ref())
target.set("threadActor"sv, thread->name());
return target;
}
void FrameActor::style_sheets_available(JsonObject& response, Vector<Web::CSS::StyleSheetIdentifier> style_sheets)
{
JsonArray sheets;
String tab_url;
if (auto tab_actor = m_tab.strong_ref())
tab_url = tab_actor->description().url;
auto style_sheets_actor = m_style_sheets.strong_ref();
if (!style_sheets_actor)
return;
for (auto const& [i, style_sheet] : enumerate(style_sheets)) {
auto resource_id = MUST(String::formatted("{}-stylesheet:{}", style_sheets_actor->name(), i));
JsonValue href;
JsonValue source_map_base_url;
JsonValue title;
if (style_sheet.url.has_value()) {
if (style_sheet.type == Web::CSS::StyleSheetIdentifier::Type::UserAgent) {
// LibWeb sets the URL to a style sheet name for UA style sheets. DevTools would reject these invalid URLs.
href = MUST(String::formatted("resource://{}", style_sheet.url.value()));
title = *style_sheet.url;
source_map_base_url = tab_url;
} else if (style_sheet.type == Web::CSS::StyleSheetIdentifier::Type::StyleElement) {
source_map_base_url = *style_sheet.url;
} else {
href = *style_sheet.url;
source_map_base_url = *style_sheet.url;
}
} else {
source_map_base_url = tab_url;
}
JsonObject sheet;
sheet.set("atRules"sv, JsonArray {});
sheet.set("constructed"sv, false);
sheet.set("disabled"sv, false);
sheet.set("fileName"sv, JsonValue {});
sheet.set("href"sv, move(href));
sheet.set("isNew"sv, false);
sheet.set("nodeHref"sv, tab_url);
sheet.set("resourceId"sv, move(resource_id));
sheet.set("ruleCount"sv, style_sheet.rule_count);
sheet.set("sourceMapBaseURL"sv, move(source_map_base_url));
sheet.set("sourceMapURL"sv, ""sv);
sheet.set("styleSheetIndex"sv, i);
sheet.set("system"sv, style_sheet.type == Web::CSS::StyleSheetIdentifier::Type::UserAgent);
sheet.set("title"sv, move(title));
sheets.must_append(move(sheet));
}
JsonArray stylesheets;
stylesheets.must_append("stylesheet"sv);
stylesheets.must_append(move(sheets));
JsonArray array;
array.must_append(move(stylesheets));
response.set("type"sv, "resources-available-array"sv);
response.set("array"sv, move(array));
style_sheets_actor->set_style_sheets(move(style_sheets));
}
void FrameActor::on_console_message(WebView::ConsoleOutput console_output)
{
JsonArray console_messages;
JsonArray error_messages;
JsonObject message;
console_output.output.visit(
[&](WebView::ConsoleLog& log) {
switch (log.level) {
case JS::Console::LogLevel::Debug:
message.set("level"sv, "debug"sv);
break;
case JS::Console::LogLevel::Error:
message.set("level"sv, "error"sv);
break;
case JS::Console::LogLevel::Info:
message.set("level"sv, "info"sv);
break;
case JS::Console::LogLevel::Log:
message.set("level"sv, "log"sv);
break;
case JS::Console::LogLevel::Warn:
message.set("level"sv, "warn"sv);
break;
default:
// FIXME: Implement remaining console levels.
return;
}
message.set("filename"sv, "<eval>"sv);
message.set("lineNumber"sv, 1);
message.set("columnNumber"sv, 1);
message.set("timeStamp"sv, console_output.timestamp.milliseconds_since_epoch());
message.set("arguments"sv, JsonArray { move(log.arguments) });
console_messages.must_append(move(message));
},
[&](WebView::ConsoleError const& error) {
StringBuilder stack;
for (auto const& frame : error.trace) {
if (frame.function.has_value())
stack.append(*frame.function);
stack.append('@');
stack.append(frame.file.map([](auto const& file) -> StringView { return file; }).value_or("unknown"sv));
stack.appendff(":{}:{}\n", frame.line.value_or(0), frame.column.value_or(0));
}
JsonObject preview;
preview.set("kind"sv, "Error"sv);
preview.set("message"sv, error.message);
preview.set("name"sv, error.name);
if (!stack.is_empty())
preview.set("stack"sv, MUST(stack.to_string()));
JsonObject exception;
exception.set("class"sv, error.name);
exception.set("isError"sv, true);
exception.set("preview"sv, move(preview));
JsonObject page_error;
page_error.set("error"sv, true);
page_error.set("exception"sv, move(exception));
page_error.set("hasException"sv, !error.trace.is_empty());
page_error.set("isPromiseRejection"sv, error.inside_promise);
page_error.set("timeStamp"sv, console_output.timestamp.milliseconds_since_epoch());
message.set("pageError"sv, move(page_error));
error_messages.must_append(move(message));
});
JsonArray array;
if (!console_messages.is_empty()) {
JsonArray console_message;
console_message.must_append("console-message"sv);
console_message.must_append(move(console_messages));
array.must_append(move(console_message));
}
if (!error_messages.is_empty()) {
JsonArray error_message;
error_message.must_append("error-message"sv);
error_message.must_append(move(error_messages));
array.must_append(move(error_message));
}
if (array.is_empty())
return;
JsonObject resources_message;
resources_message.set("type"sv, "resources-available-array"sv);
resources_message.set("array"sv, move(array));
send_message(move(resources_message));
}
void FrameActor::on_network_request_started(DevToolsDelegate::NetworkRequestData data)
{
auto& actor = devtools().register_actor<NetworkEventActor>(data.request_id);
actor.set_request_info(move(data.url), move(data.method), data.start_time, move(data.request_headers));
m_network_events.set(data.request_id, actor);
JsonArray events;
events.must_append(actor.serialize_initial_event());
JsonArray network_event;
network_event.must_append("network-event"sv);
network_event.must_append(move(events));
JsonArray array;
array.must_append(move(network_event));
JsonObject message;
message.set("type"sv, "resources-available-array"sv);
message.set("array"sv, move(array));
send_message(move(message));
}
void FrameActor::on_network_response_headers_received(DevToolsDelegate::NetworkResponseData data)
{
auto it = m_network_events.find(data.request_id);
if (it == m_network_events.end())
return;
auto& actor = *it->value;
actor.set_response_start(data.status_code, data.reason_phrase);
// Extract Content-Type before moving headers
String mime_type;
i64 headers_size = 0;
for (auto const& header : data.response_headers) {
headers_size += static_cast<i64>(header.name.bytes().size() + header.value.bytes().size() + 4);
if (header.name.equals_ignoring_ascii_case("content-type"sv))
mime_type = MUST(String::from_byte_string(header.value));
}
actor.set_response_headers(move(data.response_headers));
// Build resource updates object
JsonObject resource_updates;
resource_updates.set("status"sv, String::number(data.status_code));
resource_updates.set("statusText"sv, data.reason_phrase.value_or(String {}));
resource_updates.set("headersSize"sv, headers_size);
resource_updates.set("mimeType"sv, mime_type);
// FIXME: Get actual HTTP version from response
resource_updates.set("httpVersion"sv, "HTTP/1.1"sv);
// FIXME: Get actual remote address and port from connection
resource_updates.set("remoteAddress"sv, String {});
resource_updates.set("remotePort"sv, 0);
// FIXME: Calculate actual waiting time (time between request sent and first byte received)
resource_updates.set("waitingTime"sv, 0);
// Mark headers as available
resource_updates.set("responseHeadersAvailable"sv, true);
JsonObject update_entry;
update_entry.set("resourceId"sv, static_cast<i64>(data.request_id));
update_entry.set("resourceType"sv, "network-event"sv);
update_entry.set("resourceUpdates"sv, move(resource_updates));
update_entry.set("browsingContextID"sv, 1);
update_entry.set("innerWindowId"sv, 1);
JsonArray updates;
updates.must_append(move(update_entry));
JsonArray network_event_updates;
network_event_updates.must_append("network-event"sv);
network_event_updates.must_append(move(updates));
JsonArray array;
array.must_append(move(network_event_updates));
JsonObject message;
message.set("type"sv, "resources-updated-array"sv);
message.set("array"sv, move(array));
send_message(move(message));
}
void FrameActor::on_network_request_finished(DevToolsDelegate::NetworkRequestCompleteData data)
{
auto it = m_network_events.find(data.request_id);
if (it == m_network_events.end())
return;
auto& actor = *it->value;
actor.set_request_complete(data.body_size, data.timing_info, data.network_error);
// Calculate total time in milliseconds
auto total_time = (data.timing_info.response_end_microseconds - data.timing_info.request_start_microseconds) / 1000;
// Build resource updates object with content and timing info
JsonObject resource_updates;
resource_updates.set("contentSize"sv, static_cast<i64>(data.body_size));
resource_updates.set("transferredSize"sv, static_cast<i64>(data.body_size));
resource_updates.set("totalTime"sv, total_time);
// Mark as complete
resource_updates.set("responseContentAvailable"sv, true);
resource_updates.set("eventTimingsAvailable"sv, true);
JsonObject update_entry;
update_entry.set("resourceId"sv, static_cast<i64>(data.request_id));
update_entry.set("resourceType"sv, "network-event"sv);
update_entry.set("resourceUpdates"sv, move(resource_updates));
update_entry.set("browsingContextID"sv, 1);
update_entry.set("innerWindowId"sv, 1);
JsonArray updates;
updates.must_append(move(update_entry));
JsonArray network_event_updates;
network_event_updates.must_append("network-event"sv);
network_event_updates.must_append(move(updates));
JsonArray array;
array.must_append(move(network_event_updates));
JsonObject message;
message.set("type"sv, "resources-updated-array"sv);
message.set("array"sv, move(array));
send_message(move(message));
}
void FrameActor::on_navigation_started(String url)
{
// Clear our internal tracking of network events
m_network_events.clear();
// Send will-navigate document event to trigger network panel clear
JsonObject document_event;
document_event.set("resourceType"sv, "document-event"sv);
document_event.set("name"sv, "will-navigate"sv);
document_event.set("time"sv, UnixDateTime::now().milliseconds_since_epoch());
document_event.set("newURI"sv, url);
document_event.set("isFrameSwitching"sv, false);
JsonArray events;
events.must_append(move(document_event));
JsonArray document_event_array;
document_event_array.must_append("document-event"sv);
document_event_array.must_append(move(events));
JsonArray array;
array.must_append(move(document_event_array));
JsonObject resources_message;
resources_message.set("type"sv, "resources-available-array"sv);
resources_message.set("array"sv, move(array));
send_message(move(resources_message));
// Also send tabNavigated for backwards compatibility
JsonObject message;
message.set("type"sv, "tabNavigated"sv);
message.set("url"sv, move(url));
message.set("state"sv, "start"sv);
message.set("isFrameSwitching"sv, false);
send_message(move(message));
}
void FrameActor::on_navigation_finished(String url, String title)
{
// Update the tab description with the new URL and title
if (auto tab = m_tab.strong_ref()) {
tab->set_url(url);
tab->set_title(title);
}
JsonObject message;
message.set("type"sv, "tabNavigated"sv);
message.set("url"sv, move(url));
message.set("title"sv, move(title));
message.set("state"sv, "stop"sv);
message.set("isFrameSwitching"sv, false);
send_message(move(message));
// Also send a frameUpdate message to update the frame info
send_frame_update_message();
}
}