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/* |
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* gnome_screensaver.c v0.0.7 |
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* |
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* Enable/Disable the GNOME screensaver |
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* Supports GNOME screensaver API 2.14 and 2.15 |
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* |
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* Call gnome_screensaver_control(1) to enable and |
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* gnome_screensaver_control(0) to disable |
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* |
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*/ |
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|
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <dbus/dbus-glib.h> |
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#include "gnome_screensaver.h" |
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#include "mp_msg.h" |
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#include "help_mp.h" |
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|
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#define GS_SERVICE "org.gnome.ScreenSaver" |
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#define GS_PATH "/org/gnome/ScreenSaver" |
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#define GS_INTERFACE "org.gnome.ScreenSaver" |
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|
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#define GS_APPLICATION_NAME "MPlayer" |
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#define GS_REASON_FOR_INHIBIT "Playing a movie" |
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|
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static guint32 cookie; |
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|
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void gnome_screensaver_control(int enable) |
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{ |
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DBusGConnection *connection; |
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GError *error; |
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DBusGProxy *proxy; |
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gboolean ret; |
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char *funcname = "gnome_screensaver_control()"; |
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|
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g_type_init(); |
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|
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/* Get a connection to the session bus */ |
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error = NULL; |
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connection = dbus_g_bus_get(DBUS_BUS_SESSION, &error); |
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if (connection == NULL) { |
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mp_msg(MSGT_VO, MSGL_ERR, |
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funcname, MSGTR_OpenBusConnectionError, error->message); |
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g_error_free(error); |
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return; |
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} |
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|
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/* Create a proxy object */ |
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proxy = dbus_g_proxy_new_for_name(connection, |
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GS_SERVICE, GS_PATH, GS_INTERFACE); |
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|
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/* Enable the screensaver */ |
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if (enable) { |
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/* First call the GNOME screensaver 2.15 API method */ |
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error = NULL; |
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ret = |
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dbus_g_proxy_call(proxy, "UnInhibit", &error, G_TYPE_UINT, |
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cookie, G_TYPE_INVALID); |
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|
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/* If this fails, try the GNOME screensaver 2.14 API */ |
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if (!ret && error->domain == DBUS_GERROR |
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&& error->code == DBUS_GERROR_UNKNOWN_METHOD) { |
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mp_msg(MSGT_VO, MSGL_V, |
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"%s: GNOME screensaver 2.15 API failed, trying 2.14 API\n", |
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funcname); |
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g_error_free(error); |
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error = NULL; |
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ret = |
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dbus_g_proxy_call(proxy, "AllowActivation", &error, |
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G_TYPE_INVALID, G_TYPE_INVALID); |
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} |
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} |
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/* Disable the screensaver */ |
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else { |
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/* First call the GNOME screensaver 2.15 API method */ |
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error = NULL; |
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ret = |
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dbus_g_proxy_call(proxy, "Inhibit", &error, G_TYPE_STRING, |
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GS_APPLICATION_NAME, G_TYPE_STRING, |
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GS_REASON_FOR_INHIBIT, G_TYPE_INVALID, |
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G_TYPE_UINT, cookie, G_TYPE_INVALID); |
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|
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/* If this fails, try the GNOME screensaver 2.14 API */ |
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if (!ret && error->domain == DBUS_GERROR |
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&& error->code == DBUS_GERROR_UNKNOWN_METHOD) { |
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mp_msg(MSGT_VO, MSGL_V, |
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"%s: GNOME screensaver 2.15 API failed, trying 2.14 API\n", |
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funcname); |
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g_error_free(error); |
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error = NULL; |
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ret = |
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dbus_g_proxy_call(proxy, "InhibitActivation", &error, |
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G_TYPE_STRING, GS_REASON_FOR_INHIBIT, |
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G_TYPE_INVALID, G_TYPE_INVALID); |
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} |
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} |
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|
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if (!ret) { |
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/* Check if it's a remote exception or a regular GError */ |
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if (error->domain == DBUS_GERROR |
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&& error->code == DBUS_GERROR_REMOTE_EXCEPTION) { |
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mp_msg(MSGT_VO, MSGL_ERR, |
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funcname, MSGTR_RemoteMethodException, |
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dbus_g_error_get_name(error), error->message); |
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} |
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else { |
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mp_msg(MSGT_VO, MSGL_ERR, |
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funcname, MSGTR_GError, error->message); |
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} |
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g_error_free(error); |
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} |
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else { |
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mp_msg(MSGT_VO, MSGL_INFO, |
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enable ? MSGTR_GNOMEScreensaverEnabled : |
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MSGTR_GNOMEScreensaverDisabled); |
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} |
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|
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g_object_unref(proxy); |
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} |