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Code Issues Projects Releases Packages Wiki Activity Actions 10

LibDevTools+LibWebView: Implement getting document style sheets

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Timothy Flynn 2025-03-11 17:14:54 -04:00 • committed by Tim Flynn
commit 0b86bcfba7
Notes: github-actions[bot] 2025-03-13 20:57:24 +00:00
10 changed files with 274 additions and 6 deletions
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82
Libraries/LibDevTools/Actors/FrameActor.cpp
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@ -4,12 +4,14 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Enumerate.h>
#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <LibDevTools/Actors/CSSPropertiesActor.h>
#include <LibDevTools/Actors/ConsoleActor.h>
#include <LibDevTools/Actors/FrameActor.h>
#include <LibDevTools/Actors/InspectorActor.h>
#include <LibDevTools/Actors/StyleSheetsActor.h>
#include <LibDevTools/Actors/TabActor.h>
#include <LibDevTools/Actors/ThreadActor.h>
#include <LibDevTools/DevToolsDelegate.h>
@ -18,17 +20,18 @@
namespace DevTools {
NonnullRefPtr<FrameActor> FrameActor::create(DevToolsServer& devtools, String name, WeakPtr<TabActor> tab, WeakPtr<CSSPropertiesActor> css_properties, WeakPtr<ConsoleActor> console, WeakPtr<InspectorActor> inspector, WeakPtr<ThreadActor> thread)
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)
{
return adopt_ref(*new FrameActor(devtools, move(name), move(tab), move(css_properties), move(console), move(inspector), move(thread)));
return adopt_ref(*new FrameActor(devtools, move(name), move(tab), move(css_properties), move(console), move(inspector), move(style_sheets), move(thread)));
}
FrameActor::FrameActor(DevToolsServer& devtools, String name, WeakPtr<TabActor> tab, WeakPtr<CSSPropertiesActor> css_properties, WeakPtr<ConsoleActor> console, WeakPtr<InspectorActor> inspector, WeakPtr<ThreadActor> thread)
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)
: 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))
{
if (auto tab = m_tab.strong_ref()) {
@ -42,6 +45,12 @@ FrameActor::FrameActor(DevToolsServer& devtools, String name, WeakPtr<TabActor>
if (auto self = weak_self.strong_ref())
self->console_messages_received(start_index, 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));
}));
}
}
@ -59,6 +68,7 @@ void FrameActor::handle_message(Message const& message)
if (auto tab = m_tab.strong_ref()) {
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();
}
@ -121,12 +131,78 @@ JsonObject FrameActor::serialize_target() const
target.set("consoleActor"sv, console->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()) {
// LibWeb sets the URL to a style sheet name for UA style sheets. DevTools would reject these invalid URLs.
if (style_sheet.type == Web::CSS::StyleSheetIdentifier::Type::UserAgent) {
title = *style_sheet.url;
source_map_base_url = tab_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, false);
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::console_message_available(i32 message_index)
{
if (message_index <= m_highest_received_message_index) {