mirror of
https://github.com/kunkundi/crossdesk.git
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61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/*
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* @Author: DI JUNKUN
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* @Date: 2026-10-25
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* Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
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*/
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#include "screen_lock.h"
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#include <dbus/dbus.h>
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#include "rd_log.h"
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namespace crossdesk {
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bool LockScreen() {
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dbus_threads_init_default();
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DBusError error;
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dbus_error_init(&error);
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DBusConnection* connection = dbus_bus_get_private(DBUS_BUS_SESSION, &error);
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if (!connection) {
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LOG_WARN("Cannot connect to screen lock service: {}",
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error.message ? error.message : "session bus unavailable");
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dbus_error_free(&error);
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return false;
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}
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dbus_connection_set_exit_on_disconnect(connection, false);
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// Address the current desktop's session bus, including headless desktops;
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// never lock every logged-in user or an unrelated system login session.
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struct Service { const char* name; const char* path; };
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constexpr Service services[] = {
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{"org.freedesktop.ScreenSaver", "/ScreenSaver"},
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{"org.gnome.ScreenSaver", "/org/gnome/ScreenSaver"},
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{"org.cinnamon.ScreenSaver", "/org/cinnamon/ScreenSaver"},
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{"org.mate.ScreenSaver", "/org/mate/ScreenSaver"},
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{"org.xfce.ScreenSaver", "/org/xfce/ScreenSaver"},
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};
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bool accepted = false;
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for (const auto& service : services) {
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DBusMessage* message = dbus_message_new_method_call(
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service.name, service.path, service.name, "Lock");
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if (!message) break;
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dbus_message_set_auto_start(message, false);
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DBusMessage* reply = dbus_connection_send_with_reply_and_block(
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connection, message, 1000, &error);
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dbus_message_unref(message);
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if (reply) {
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accepted = dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_METHOD_RETURN;
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dbus_message_unref(reply);
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}
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dbus_error_free(&error);
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if (accepted) break;
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}
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dbus_connection_close(connection);
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dbus_connection_unref(connection);
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if (!accepted) LOG_WARN("No desktop screen lock service accepted the request");
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return accepted;
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}
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} // namespace crossdesk
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