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/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "BrowserWindow.h"
#include "EventLoopImplementationQt.h"
#include "HelperProcess.h"
#include "Settings.h"
#include "Utilities.h"
#include "WebContentView.h"
#include <AK/OwnPtr.h>
#include <Browser/CookieJar.h>
#include <Browser/Database.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/EventLoop.h>
#include <LibCore/System.h>
#include <LibFileSystem/FileSystem.h>
#include <LibGfx/Font/FontDatabase.h>
#include <LibMain/Main.h>
#include <LibSQL/SQLClient.h>
#include <QApplication>
AK::OwnPtr<Browser::Settings> s_settings;
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.
auto unbuffered_status_file = TRY(Core::File::open("/proc/self/status"sv, Core::File::OpenMode::Read));
auto status_file = TRY(Core::InputBufferedFile::create(move(unbuffered_status_file)));
auto buffer = TRY(ByteBuffer::create_uninitialized(4096));
while (TRY(status_file->can_read_line())) {
auto line = TRY(status_file->read_line(buffer));
auto const parts = line.split_view(':');
if (parts.size() < 2 || parts[0] != "TracerPid"sv)
continue;
auto tracer_pid = parts[1].to_uint<u32>();
if (tracer_pid != 0UL) {
dbgln("Debugger is attached, ignoring SIGINT");
TRY(Core::System::signal(SIGINT, SIG_IGN));
}
break;
}
#endif
return {};
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
QApplication 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");
StringView raw_url;
StringView webdriver_content_ipc_path;
bool enable_callgrind_profiling = false;
bool enable_sql_database = false;
Core::ArgsParser args_parser;
args_parser.set_general_help("The Ladybird web browser :^)");
args_parser.add_positional_argument(raw_url, "URL 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");
args_parser.add_option(enable_callgrind_profiling, "Enable Callgrind profiling", "enable-callgrind-profiling", 'P');
args_parser.add_option(enable_sql_database, "Enable SQL database", "enable-sql-database", 0);
args_parser.parse(arguments);
auto get_formatted_url = [&](StringView const& raw_url) -> ErrorOr<URL> {
URL url = raw_url;
if (FileSystem::exists(raw_url))
url = URL::create_with_file_scheme(TRY(FileSystem::real_path(raw_url)).to_deprecated_string());
else if (!url.is_valid())
url = DeprecatedString::formatted("http://{}", raw_url);
return url;
};
RefPtr<Browser::Database> database;
if (enable_sql_database) {
auto sql_server_paths = TRY(get_paths_for_helper_process("SQLServer"sv));
auto sql_client = TRY(SQL::SQLClient::launch_server_and_create_client(move(sql_server_paths)));
database = TRY(Browser::Database::create(move(sql_client)));
}
auto cookie_jar = database ? TRY(Browser::CookieJar::create(*database)) : Browser::CookieJar::create();
s_settings = adopt_own_if_nonnull(new Browser::Settings());
BrowserWindow window(cookie_jar, webdriver_content_ipc_path, enable_callgrind_profiling ? WebView::EnableCallgrindProfiling::Yes : WebView::EnableCallgrindProfiling::No);
window.setWindowTitle("Ladybird");
window.resize(800, 600);
window.show();
if (auto url = TRY(get_formatted_url(raw_url)); url.is_valid()) {
window.view().load(url);
} else {
window.view().load("about:blank"sv);
}
return event_loop.exec();
}
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;
}
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