mirror of
https://github.com/LadybirdBrowser/ladybird.git
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4ce05e5ccf
We very much assume that the SQL storage backend runs in a singleton process. When this is not the case, and multiple UI processes try to write to the database at the same time, one of them will fail. Since --force-new-process is a testing mode flag, let's just disable the SQL backend when that flag is present.
247 lines
10 KiB
C++
247 lines
10 KiB
C++
/*
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* Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Debug.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/Environment.h>
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#include <LibCore/StandardPaths.h>
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#include <LibCore/TimeZoneWatcher.h>
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#include <LibFileSystem/FileSystem.h>
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#include <LibImageDecoderClient/Client.h>
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#include <LibWebView/Application.h>
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#include <LibWebView/CookieJar.h>
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#include <LibWebView/Database.h>
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#include <LibWebView/URL.h>
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#include <LibWebView/UserAgent.h>
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#include <LibWebView/WebContentClient.h>
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namespace WebView {
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Application* Application::s_the = nullptr;
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Application::Application()
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{
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VERIFY(!s_the);
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s_the = this;
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// No need to monitor the system time zone if the TZ environment variable is set, as it overrides system preferences.
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if (!Core::Environment::has("TZ"sv)) {
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if (auto time_zone_watcher = Core::TimeZoneWatcher::create(); time_zone_watcher.is_error()) {
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warnln("Unable to monitor system time zone: {}", time_zone_watcher.error());
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} else {
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m_time_zone_watcher = time_zone_watcher.release_value();
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m_time_zone_watcher->on_time_zone_changed = []() {
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WebContentClient::for_each_client([&](WebView::WebContentClient& client) {
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client.async_system_time_zone_changed();
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return IterationDecision::Continue;
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});
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};
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}
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}
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m_process_manager.on_process_exited = [this](Process&& process) {
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process_did_exit(move(process));
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};
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}
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Application::~Application()
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{
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s_the = nullptr;
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}
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void Application::initialize(Main::Arguments const& arguments, URL::URL new_tab_page_url)
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{
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Vector<ByteString> raw_urls;
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Vector<ByteString> certificates;
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bool new_window = false;
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bool force_new_process = false;
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bool allow_popups = false;
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bool disable_scripting = false;
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bool disable_sql_database = false;
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Optional<StringView> debug_process;
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Optional<StringView> profile_process;
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Optional<StringView> webdriver_content_ipc_path;
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Optional<StringView> user_agent_preset;
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bool log_all_js_exceptions = false;
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bool enable_idl_tracing = false;
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bool enable_http_cache = false;
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bool expose_internals_object = false;
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bool force_cpu_painting = false;
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bool force_fontconfig = false;
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Core::ArgsParser args_parser;
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args_parser.set_general_help("The Ladybird web browser :^)");
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args_parser.add_positional_argument(raw_urls, "URLs to open", "url", Core::ArgsParser::Required::No);
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args_parser.add_option(certificates, "Path to a certificate file", "certificate", 'C', "certificate");
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args_parser.add_option(new_window, "Force opening in a new window", "new-window", 'n');
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args_parser.add_option(force_new_process, "Force creation of new browser/chrome process", "force-new-process");
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args_parser.add_option(allow_popups, "Disable popup blocking by default", "allow-popups");
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args_parser.add_option(disable_scripting, "Disable scripting by default", "disable-scripting");
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args_parser.add_option(disable_sql_database, "Disable SQL database", "disable-sql-database");
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args_parser.add_option(debug_process, "Wait for a debugger to attach to the given process name (WebContent, RequestServer, etc.)", "debug-process", 0, "process-name");
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args_parser.add_option(profile_process, "Enable callgrind profiling of the given process name (WebContent, RequestServer, etc.)", "profile-process", 0, "process-name");
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args_parser.add_option(webdriver_content_ipc_path, "Path to WebDriver IPC for WebContent", "webdriver-content-path", 0, "path", Core::ArgsParser::OptionHideMode::CommandLineAndMarkdown);
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args_parser.add_option(log_all_js_exceptions, "Log all JavaScript exceptions", "log-all-js-exceptions");
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args_parser.add_option(enable_idl_tracing, "Enable IDL tracing", "enable-idl-tracing");
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args_parser.add_option(enable_http_cache, "Enable HTTP cache", "enable-http-cache");
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args_parser.add_option(expose_internals_object, "Expose internals object", "expose-internals-object");
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args_parser.add_option(force_cpu_painting, "Force CPU painting", "force-cpu-painting");
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args_parser.add_option(force_fontconfig, "Force using fontconfig for font loading", "force-fontconfig");
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args_parser.add_option(Core::ArgsParser::Option {
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.argument_mode = Core::ArgsParser::OptionArgumentMode::Required,
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.help_string = "Name of the User-Agent preset to use in place of the default User-Agent",
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.long_name = "user-agent-preset",
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.value_name = "name",
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.accept_value = [&](StringView value) {
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user_agent_preset = normalize_user_agent_name(value);
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return user_agent_preset.has_value();
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},
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});
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create_platform_arguments(args_parser);
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args_parser.parse(arguments);
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// Our persisted SQL storage assumes it runs in a singleton process. If we have multiple UI processes accessing
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// the same underlying database, one of them is likely to fail.
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if (force_new_process)
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disable_sql_database = true;
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Optional<ProcessType> debug_process_type;
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Optional<ProcessType> profile_process_type;
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if (debug_process.has_value())
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debug_process_type = process_type_from_name(*debug_process);
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if (profile_process.has_value())
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profile_process_type = process_type_from_name(*profile_process);
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m_chrome_options = {
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.urls = sanitize_urls(raw_urls, new_tab_page_url),
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.raw_urls = move(raw_urls),
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.new_tab_page_url = move(new_tab_page_url),
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.certificates = move(certificates),
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.new_window = new_window ? NewWindow::Yes : NewWindow::No,
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.force_new_process = force_new_process ? ForceNewProcess::Yes : ForceNewProcess::No,
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.allow_popups = allow_popups ? AllowPopups::Yes : AllowPopups::No,
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.disable_scripting = disable_scripting ? DisableScripting::Yes : DisableScripting::No,
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.disable_sql_database = disable_sql_database ? DisableSQLDatabase::Yes : DisableSQLDatabase::No,
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.debug_helper_process = move(debug_process_type),
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.profile_helper_process = move(profile_process_type),
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};
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if (webdriver_content_ipc_path.has_value())
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m_chrome_options.webdriver_content_ipc_path = *webdriver_content_ipc_path;
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m_web_content_options = {
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.command_line = MUST(String::join(' ', arguments.strings)),
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.executable_path = MUST(String::from_byte_string(MUST(Core::System::current_executable_path()))),
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.user_agent_preset = move(user_agent_preset),
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.log_all_js_exceptions = log_all_js_exceptions ? LogAllJSExceptions::Yes : LogAllJSExceptions::No,
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.enable_idl_tracing = enable_idl_tracing ? EnableIDLTracing::Yes : EnableIDLTracing::No,
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.enable_http_cache = enable_http_cache ? EnableHTTPCache::Yes : EnableHTTPCache::No,
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.expose_internals_object = expose_internals_object ? ExposeInternalsObject::Yes : ExposeInternalsObject::No,
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.force_cpu_painting = force_cpu_painting ? ForceCPUPainting::Yes : ForceCPUPainting::No,
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.force_fontconfig = force_fontconfig ? ForceFontconfig::Yes : ForceFontconfig::No,
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};
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create_platform_options(m_chrome_options, m_web_content_options);
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if (m_chrome_options.disable_sql_database == DisableSQLDatabase::No) {
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m_database = Database::create().release_value_but_fixme_should_propagate_errors();
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m_cookie_jar = CookieJar::create(*m_database).release_value_but_fixme_should_propagate_errors();
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} else {
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m_cookie_jar = CookieJar::create();
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}
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}
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int Application::execute()
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{
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int ret = m_event_loop.exec();
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m_in_shutdown = true;
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return ret;
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}
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void Application::add_child_process(WebView::Process&& process)
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{
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m_process_manager.add_process(move(process));
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}
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#if defined(AK_OS_MACH)
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void Application::set_process_mach_port(pid_t pid, Core::MachPort&& port)
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{
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m_process_manager.set_process_mach_port(pid, move(port));
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}
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#endif
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Optional<Process&> Application::find_process(pid_t pid)
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{
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return m_process_manager.find_process(pid);
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}
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void Application::update_process_statistics()
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{
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m_process_manager.update_all_process_statistics();
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}
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String Application::generate_process_statistics_html()
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{
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return m_process_manager.generate_html();
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}
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void Application::process_did_exit(Process&& process)
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{
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if (m_in_shutdown)
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return;
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dbgln_if(WEBVIEW_PROCESS_DEBUG, "Process {} died, type: {}", process.pid(), process_name_from_type(process.type()));
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switch (process.type()) {
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case ProcessType::ImageDecoder:
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if (auto client = process.client<ImageDecoderClient::Client>(); client.has_value()) {
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dbgln_if(WEBVIEW_PROCESS_DEBUG, "Restart ImageDecoder process");
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if (auto on_death = move(client->on_death)) {
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on_death();
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}
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}
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break;
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case ProcessType::RequestServer:
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dbgln_if(WEBVIEW_PROCESS_DEBUG, "FIXME: Restart request server");
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break;
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case ProcessType::WebContent:
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if (auto client = process.client<WebContentClient>(); client.has_value()) {
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dbgln_if(WEBVIEW_PROCESS_DEBUG, "Restart WebContent process");
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if (auto on_web_content_process_crash = move(client->on_web_content_process_crash))
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on_web_content_process_crash();
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}
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break;
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case ProcessType::WebWorker:
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dbgln_if(WEBVIEW_PROCESS_DEBUG, "WebWorker {} died, not sure what to do.", process.pid());
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break;
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case ProcessType::Chrome:
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dbgln("Invalid process type to be dying: Chrome");
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VERIFY_NOT_REACHED();
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}
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}
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ErrorOr<LexicalPath> Application::path_for_downloaded_file(StringView file) const
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{
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auto downloads_directory = Core::StandardPaths::downloads_directory();
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if (!FileSystem::is_directory(downloads_directory)) {
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auto maybe_downloads_directory = ask_user_for_download_folder();
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if (!maybe_downloads_directory.has_value())
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return Error::from_errno(ECANCELED);
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downloads_directory = maybe_downloads_directory.release_value();
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}
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if (!FileSystem::is_directory(downloads_directory))
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return Error::from_errno(ENOENT);
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return LexicalPath::join(downloads_directory, file);
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}
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}
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