ladybird/Ladybird/Qt/main.cpp

180 lines
6.7 KiB
C++

/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "BrowserWindow.h"
#include "EventLoopImplementationQt.h"
#include "Settings.h"
#include "WebContentView.h"
#include <Ladybird/HelperProcess.h>
#include <Ladybird/Utilities.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/EventLoop.h>
#include <LibCore/Process.h>
#include <LibCore/System.h>
#include <LibGfx/Font/FontDatabase.h>
#include <LibMain/Main.h>
#include <LibWebView/CookieJar.h>
#include <LibWebView/Database.h>
#include <LibWebView/URL.h>
#include <QApplication>
#include <QFileOpenEvent>
namespace Ladybird {
bool is_using_dark_system_theme(QWidget& widget)
{
// FIXME: Qt does not provide any method to query if the system is using a dark theme. We will have to implement
// platform-specific methods if we wish to have better detection. For now, this inspects if Qt is using a
// dark color for widget backgrounds using Rec. 709 luma coefficients.
// https://en.wikipedia.org/wiki/Rec._709#Luma_coefficients
auto color = widget.palette().color(widget.backgroundRole());
auto luma = 0.2126f * color.redF() + 0.7152f * color.greenF() + 0.0722f * color.blueF();
return luma <= 0.5f;
}
}
static ErrorOr<void> handle_attached_debugger()
{
#ifdef AK_OS_LINUX
// Let's ignore SIGINT if we're being debugged because GDB
// incorrectly forwards the signal to us even when it's set to
// "nopass". See https://sourceware.org/bugzilla/show_bug.cgi?id=9425
// for details.
if (TRY(Core::Process::is_being_debugged())) {
dbgln("Debugger is attached, ignoring SIGINT");
TRY(Core::System::signal(SIGINT, SIG_IGN));
}
#endif
return {};
}
class LadybirdApplication : public QApplication {
public:
LadybirdApplication(int& argc, char** argv)
: QApplication(argc, argv)
{
}
Function<void(URL)> on_open_file;
bool event(QEvent* event) override
{
switch (event->type()) {
case QEvent::FileOpen: {
if (!on_open_file)
break;
auto const& open_event = *static_cast<QFileOpenEvent const*>(event);
auto file = ak_string_from_qstring(open_event.file());
if (auto file_url = WebView::sanitize_url(file); file_url.has_value())
on_open_file(file_url.release_value());
}
default:
break;
}
return QApplication::event(event);
}
};
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
AK::set_rich_debug_enabled(true);
LadybirdApplication app(arguments.argc, arguments.argv);
Core::EventLoopManager::install(*new Ladybird::EventLoopManagerQt);
Core::EventLoop event_loop;
static_cast<Ladybird::EventLoopImplementationQt&>(event_loop.impl()).set_main_loop();
TRY(handle_attached_debugger());
platform_init();
// NOTE: We only instantiate this to ensure that Gfx::FontDatabase has its default queries initialized.
Gfx::FontDatabase::set_default_font_query("Katica 10 400 0");
Gfx::FontDatabase::set_fixed_width_font_query("Csilla 10 400 0");
Vector<StringView> raw_urls;
StringView webdriver_content_ipc_path;
Vector<ByteString> certificates;
bool enable_callgrind_profiling = false;
bool disable_sql_database = false;
bool enable_qt_networking = false;
bool use_gpu_painting = false;
bool debug_web_content = false;
Core::ArgsParser args_parser;
args_parser.set_general_help("The Ladybird web browser :^)");
args_parser.add_positional_argument(raw_urls, "URLs to open", "url", Core::ArgsParser::Required::No);
args_parser.add_option(webdriver_content_ipc_path, "Path to WebDriver IPC for WebContent", "webdriver-content-path", 0, "path", Core::ArgsParser::OptionHideMode::CommandLineAndMarkdown);
args_parser.add_option(enable_callgrind_profiling, "Enable Callgrind profiling", "enable-callgrind-profiling", 'P');
args_parser.add_option(disable_sql_database, "Disable SQL database", "disable-sql-database", 0);
args_parser.add_option(enable_qt_networking, "Enable Qt as the backend networking service", "enable-qt-networking", 0);
args_parser.add_option(use_gpu_painting, "Enable GPU painting", "enable-gpu-painting", 0);
args_parser.add_option(debug_web_content, "Wait for debugger to attach to WebContent", "debug-web-content", 0);
args_parser.add_option(certificates, "Path to a certificate file", "certificate", 'C', "certificate");
args_parser.parse(arguments);
RefPtr<WebView::Database> database;
if (!disable_sql_database) {
auto sql_server_paths = TRY(get_paths_for_helper_process("SQLServer"sv));
database = TRY(WebView::Database::create(move(sql_server_paths)));
}
auto cookie_jar = database ? TRY(WebView::CookieJar::create(*database)) : WebView::CookieJar::create();
Vector<URL> initial_urls;
for (auto const& raw_url : raw_urls) {
if (auto url = WebView::sanitize_url(raw_url); url.has_value())
initial_urls.append(url.release_value());
}
if (initial_urls.is_empty()) {
auto new_tab_page = Ladybird::Settings::the()->new_tab_page();
initial_urls.append(ak_string_from_qstring(new_tab_page));
}
StringBuilder command_line_builder;
command_line_builder.join(' ', arguments.strings);
Ladybird::WebContentOptions web_content_options {
.command_line = MUST(command_line_builder.to_string()),
.executable_path = MUST(String::from_byte_string(MUST(Core::System::current_executable_path()))),
.certificates = move(certificates),
.enable_callgrind_profiling = enable_callgrind_profiling ? Ladybird::EnableCallgrindProfiling::Yes : Ladybird::EnableCallgrindProfiling::No,
.enable_gpu_painting = use_gpu_painting ? Ladybird::EnableGPUPainting::Yes : Ladybird::EnableGPUPainting::No,
.use_lagom_networking = enable_qt_networking ? Ladybird::UseLagomNetworking::No : Ladybird::UseLagomNetworking::Yes,
.wait_for_debugger = debug_web_content ? Ladybird::WaitForDebugger::Yes : Ladybird::WaitForDebugger::No,
};
Ladybird::BrowserWindow window(initial_urls, cookie_jar, web_content_options, webdriver_content_ipc_path);
window.setWindowTitle("Ladybird");
app.on_open_file = [&](auto file_url) {
window.view().load(file_url);
};
if (Ladybird::Settings::the()->is_maximized()) {
window.showMaximized();
} else {
auto last_position = Ladybird::Settings::the()->last_position();
if (last_position.has_value())
window.move(last_position.value());
window.resize(Ladybird::Settings::the()->last_size());
}
window.show();
return event_loop.exec();
}