mirror of
https://github.com/libretro/RetroArch.git
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164 lines
3.9 KiB
C
164 lines
3.9 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2011-2017 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "../../config.h"
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#endif
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#ifdef HAVE_DBUS
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#include <dbus/dbus.h>
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static DBusConnection* dbus_connection = NULL;
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static unsigned int dbus_screensaver_cookie = 0;
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#endif
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#include "../../verbosity.h"
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void dbus_ensure_connection(void)
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{
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#ifdef HAVE_DBUS
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DBusError err;
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int ret;
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dbus_error_init(&err);
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dbus_connection = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
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if (dbus_error_is_set(&err))
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{
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RARCH_LOG("[DBus]: Failed to get DBus connection. Screensaver will not be suspended via DBus.\n");
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dbus_error_free(&err);
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}
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if (dbus_connection)
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dbus_connection_set_exit_on_disconnect(dbus_connection, true);
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#endif
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}
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void dbus_close_connection(void)
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{
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#ifdef HAVE_DBUS
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if (!dbus_connection)
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return;
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dbus_connection_close(dbus_connection);
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dbus_connection_unref(dbus_connection);
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dbus_connection = NULL;
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#endif
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}
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bool dbus_screensaver_inhibit(void)
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{
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bool ret = false;
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#ifdef HAVE_DBUS
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const char *app = "RetroArch";
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const char *reason = "Playing a game";
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DBusMessage *msg = NULL;
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DBusMessage *reply = NULL;
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if (!dbus_connection)
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return false; /* DBus connection was not obtained */
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if (dbus_screensaver_cookie > 0)
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return true; /* Already inhibited */
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msg = dbus_message_new_method_call("org.freedesktop.ScreenSaver",
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"/org/freedesktop/ScreenSaver",
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"org.freedesktop.ScreenSaver",
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"Inhibit");
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if (!msg)
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return false;
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if (!dbus_message_append_args(msg,
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DBUS_TYPE_STRING, &app,
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DBUS_TYPE_STRING, &reason,
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DBUS_TYPE_INVALID))
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{
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dbus_message_unref(msg);
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return false;
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}
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reply = dbus_connection_send_with_reply_and_block(dbus_connection,
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msg, 300, NULL);
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if (reply != NULL)
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{
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if (!dbus_message_get_args(reply, NULL,
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DBUS_TYPE_UINT32, &dbus_screensaver_cookie,
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DBUS_TYPE_INVALID))
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dbus_screensaver_cookie = 0;
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else
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ret = true;
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dbus_message_unref(reply);
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}
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dbus_message_unref(msg);
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if (dbus_screensaver_cookie == 0)
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{
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RARCH_ERR("[DBus]: Failed to suspend screensaver via DBus.\n");
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}
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else
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{
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RARCH_LOG("[DBus]: Suspended screensaver via DBus.\n");
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}
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#endif
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return ret;
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}
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void dbus_screensaver_uninhibit(void)
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{
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#ifdef HAVE_DBUS
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DBusMessage *msg = NULL;
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if (!dbus_connection)
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return;
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if (dbus_screensaver_cookie == 0)
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return;
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msg = dbus_message_new_method_call("org.freedesktop.ScreenSaver",
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"/org/freedesktop/ScreenSaver",
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"org.freedesktop.ScreenSaver",
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"UnInhibit");
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if (!msg)
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return;
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dbus_message_append_args(msg,
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DBUS_TYPE_UINT32, &dbus_screensaver_cookie,
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DBUS_TYPE_INVALID);
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if (dbus_connection_send(dbus_connection, msg, NULL))
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dbus_connection_flush(dbus_connection);
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dbus_message_unref(msg);
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dbus_screensaver_cookie = 0;
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#endif
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}
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/* Returns false when fallback should be attempted */
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bool dbus_suspend_screensaver(bool enable)
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{
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#ifdef HAVE_DBUS
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if (enable)
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return dbus_screensaver_inhibit();
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dbus_screensaver_uninhibit();
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#endif
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return false;
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}
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