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Diffstat (limited to '3rdparty/SDL2/src/core/linux/SDL_dbus.c')
-rw-r--r--3rdparty/SDL2/src/core/linux/SDL_dbus.c239
1 files changed, 239 insertions, 0 deletions
diff --git a/3rdparty/SDL2/src/core/linux/SDL_dbus.c b/3rdparty/SDL2/src/core/linux/SDL_dbus.c
new file mode 100644
index 00000000000..5d0df050c8e
--- /dev/null
+++ b/3rdparty/SDL2/src/core/linux/SDL_dbus.c
@@ -0,0 +1,239 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+#include "SDL_dbus.h"
+
+#if SDL_USE_LIBDBUS
+/* we never link directly to libdbus. */
+#include "SDL_loadso.h"
+static const char *dbus_library = "libdbus-1.so.3";
+static void *dbus_handle = NULL;
+static unsigned int screensaver_cookie = 0;
+static SDL_DBusContext dbus = {0};
+
+static int
+LoadDBUSSyms(void)
+{
+ #define SDL_DBUS_SYM2(x, y) \
+ if (!(dbus.x = SDL_LoadFunction(dbus_handle, #y))) return -1
+
+ #define SDL_DBUS_SYM(x) \
+ SDL_DBUS_SYM2(x, dbus_##x)
+
+ SDL_DBUS_SYM(bus_get_private);
+ SDL_DBUS_SYM(bus_register);
+ SDL_DBUS_SYM(bus_add_match);
+ SDL_DBUS_SYM(connection_open_private);
+ SDL_DBUS_SYM(connection_set_exit_on_disconnect);
+ SDL_DBUS_SYM(connection_get_is_connected);
+ SDL_DBUS_SYM(connection_add_filter);
+ SDL_DBUS_SYM(connection_try_register_object_path);
+ SDL_DBUS_SYM(connection_send);
+ SDL_DBUS_SYM(connection_send_with_reply_and_block);
+ SDL_DBUS_SYM(connection_close);
+ SDL_DBUS_SYM(connection_unref);
+ SDL_DBUS_SYM(connection_flush);
+ SDL_DBUS_SYM(connection_read_write);
+ SDL_DBUS_SYM(connection_dispatch);
+ SDL_DBUS_SYM(message_is_signal);
+ SDL_DBUS_SYM(message_new_method_call);
+ SDL_DBUS_SYM(message_append_args);
+ SDL_DBUS_SYM(message_get_args);
+ SDL_DBUS_SYM(message_iter_init);
+ SDL_DBUS_SYM(message_iter_next);
+ SDL_DBUS_SYM(message_iter_get_basic);
+ SDL_DBUS_SYM(message_iter_get_arg_type);
+ SDL_DBUS_SYM(message_iter_recurse);
+ SDL_DBUS_SYM(message_unref);
+ SDL_DBUS_SYM(error_init);
+ SDL_DBUS_SYM(error_is_set);
+ SDL_DBUS_SYM(error_free);
+ SDL_DBUS_SYM(get_local_machine_id);
+ SDL_DBUS_SYM(free);
+ SDL_DBUS_SYM(shutdown);
+
+ #undef SDL_DBUS_SYM
+ #undef SDL_DBUS_SYM2
+
+ return 0;
+}
+
+static void
+UnloadDBUSLibrary(void)
+{
+ if (dbus_handle != NULL) {
+ SDL_UnloadObject(dbus_handle);
+ dbus_handle = NULL;
+ }
+}
+
+static int
+LoadDBUSLibrary(void)
+{
+ int retval = 0;
+ if (dbus_handle == NULL) {
+ dbus_handle = SDL_LoadObject(dbus_library);
+ if (dbus_handle == NULL) {
+ retval = -1;
+ /* Don't call SDL_SetError(): SDL_LoadObject already did. */
+ } else {
+ retval = LoadDBUSSyms();
+ if (retval < 0) {
+ UnloadDBUSLibrary();
+ }
+ }
+ }
+
+ return retval;
+}
+
+void
+SDL_DBus_Init(void)
+{
+ if (!dbus.session_conn && LoadDBUSLibrary() != -1) {
+ DBusError err;
+ dbus.error_init(&err);
+ dbus.session_conn = dbus.bus_get_private(DBUS_BUS_SESSION, &err);
+ if (dbus.error_is_set(&err)) {
+ dbus.error_free(&err);
+ if (dbus.session_conn) {
+ dbus.connection_unref(dbus.session_conn);
+ dbus.session_conn = NULL;
+ }
+ return; /* oh well */
+ }
+ dbus.connection_set_exit_on_disconnect(dbus.session_conn, 0);
+ }
+}
+
+void
+SDL_DBus_Quit(void)
+{
+ if (dbus.session_conn) {
+ dbus.connection_close(dbus.session_conn);
+ dbus.connection_unref(dbus.session_conn);
+ dbus.shutdown();
+ SDL_memset(&dbus, 0, sizeof(dbus));
+ }
+ UnloadDBUSLibrary();
+}
+
+SDL_DBusContext *
+SDL_DBus_GetContext(void)
+{
+ if(!dbus_handle || !dbus.session_conn){
+ SDL_DBus_Init();
+ }
+
+ if(dbus_handle && dbus.session_conn){
+ return &dbus;
+ } else {
+ return NULL;
+ }
+}
+
+void
+SDL_DBus_ScreensaverTickle(void)
+{
+ DBusConnection *conn = dbus.session_conn;
+ if (conn != NULL) {
+ DBusMessage *msg = dbus.message_new_method_call("org.gnome.ScreenSaver",
+ "/org/gnome/ScreenSaver",
+ "org.gnome.ScreenSaver",
+ "SimulateUserActivity");
+ if (msg != NULL) {
+ if (dbus.connection_send(conn, msg, NULL)) {
+ dbus.connection_flush(conn);
+ }
+ dbus.message_unref(msg);
+ }
+ }
+}
+
+SDL_bool
+SDL_DBus_ScreensaverInhibit(SDL_bool inhibit)
+{
+ DBusConnection *conn = dbus.session_conn;
+
+ if (conn == NULL)
+ return SDL_FALSE;
+
+ if (inhibit &&
+ screensaver_cookie != 0)
+ return SDL_TRUE;
+ if (!inhibit &&
+ screensaver_cookie == 0)
+ return SDL_TRUE;
+
+ if (inhibit) {
+ const char *app = "My SDL application";
+ const char *reason = "Playing a game";
+
+ DBusMessage *msg = dbus.message_new_method_call("org.freedesktop.ScreenSaver",
+ "/org/freedesktop/ScreenSaver",
+ "org.freedesktop.ScreenSaver",
+ "Inhibit");
+ if (msg != NULL) {
+ dbus.message_append_args (msg,
+ DBUS_TYPE_STRING, &app,
+ DBUS_TYPE_STRING, &reason,
+ DBUS_TYPE_INVALID);
+ }
+
+ if (msg != NULL) {
+ DBusMessage *reply;
+
+ reply = dbus.connection_send_with_reply_and_block(conn, msg, 300, NULL);
+ if (reply) {
+ if (!dbus.message_get_args(reply, NULL,
+ DBUS_TYPE_UINT32, &screensaver_cookie,
+ DBUS_TYPE_INVALID))
+ screensaver_cookie = 0;
+ dbus.message_unref(reply);
+ }
+
+ dbus.message_unref(msg);
+ }
+
+ if (screensaver_cookie == 0) {
+ return SDL_FALSE;
+ }
+ return SDL_TRUE;
+ } else {
+ DBusMessage *msg = dbus.message_new_method_call("org.freedesktop.ScreenSaver",
+ "/org/freedesktop/ScreenSaver",
+ "org.freedesktop.ScreenSaver",
+ "UnInhibit");
+ dbus.message_append_args (msg,
+ DBUS_TYPE_UINT32, &screensaver_cookie,
+ DBUS_TYPE_INVALID);
+ if (msg != NULL) {
+ if (dbus.connection_send(conn, msg, NULL)) {
+ dbus.connection_flush(conn);
+ }
+ dbus.message_unref(msg);
+ }
+
+ screensaver_cookie = 0;
+ return SDL_TRUE;
+ }
+}
+#endif