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* Copyright (C) 2007 Novell, Inc.
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* Copyright (C) 2008 Red Hat, Inc.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* For details on the OS X logout process, see:
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* http://developer.apple.com/documentation/MacOSX/Conceptual/BPSystemStartup/Articles/BootProcess.html#//apple_ref/doc/uid/20002130-114618
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* EggSMClientOSX registers for the kAEQuitApplication AppleEvent; the
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* handler we register (quit_requested()) will be invoked from inside
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* the quartz event-handling code (specifically, from inside
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* [NSApplication nextEventMatchingMask]) when an AppleEvent arrives.
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* We use AESuspendTheCurrentEvent() and AEResumeTheCurrentEvent() to
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* allow asynchronous / non-main-loop-reentering processing of the
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* quit request. (These are part of the Carbon framework; it doesn't
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* seem to be possible to handle AppleEvents asynchronously from
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#include "eggsmclient-private.h"
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#include <gdk/gdkquartz.h>
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#include <Carbon/Carbon.h>
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#include <CoreServices/CoreServices.h>
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#define EGG_TYPE_SM_CLIENT_OSX (egg_sm_client_osx_get_type ())
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#define EGG_SM_CLIENT_OSX(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EGG_TYPE_SM_CLIENT_OSX, EggSMClientOSX))
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#define EGG_SM_CLIENT_OSX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EGG_TYPE_SM_CLIENT_OSX, EggSMClientOSXClass))
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#define EGG_IS_SM_CLIENT_OSX(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EGG_TYPE_SM_CLIENT_OSX))
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#define EGG_IS_SM_CLIENT_OSX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EGG_TYPE_SM_CLIENT_OSX))
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#define EGG_SM_CLIENT_OSX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EGG_TYPE_SM_CLIENT_OSX, EggSMClientOSXClass))
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typedef struct _EggSMClientOSX EggSMClientOSX;
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typedef struct _EggSMClientOSXClass EggSMClientOSXClass;
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struct _EggSMClientOSX {
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AppleEvent quit_event, quit_reply;
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gboolean quit_requested, quitting;
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struct _EggSMClientOSXClass
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EggSMClientClass parent_class;
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static void sm_client_osx_startup (EggSMClient *client,
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const char *client_id);
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static void sm_client_osx_will_quit (EggSMClient *client,
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static gboolean sm_client_osx_end_session (EggSMClient *client,
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EggSMClientEndStyle style,
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gboolean request_confirmation);
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static pascal OSErr quit_requested (const AppleEvent *, AppleEvent *, long);
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G_DEFINE_TYPE (EggSMClientOSX, egg_sm_client_osx, EGG_TYPE_SM_CLIENT)
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egg_sm_client_osx_init (EggSMClientOSX *osx)
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egg_sm_client_osx_class_init (EggSMClientOSXClass *klass)
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EggSMClientClass *sm_client_class = EGG_SM_CLIENT_CLASS (klass);
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sm_client_class->startup = sm_client_osx_startup;
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sm_client_class->will_quit = sm_client_osx_will_quit;
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sm_client_class->end_session = sm_client_osx_end_session;
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egg_sm_client_osx_new (void)
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return g_object_new (EGG_TYPE_SM_CLIENT_OSX, NULL);
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sm_client_osx_startup (EggSMClient *client,
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const char *client_id)
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AEInstallEventHandler (kCoreEventClass, kAEQuitApplication,
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NewAEEventHandlerUPP (quit_requested),
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(long)GPOINTER_TO_SIZE (client), false);
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idle_quit_requested (gpointer client)
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egg_sm_client_quit_requested (client);
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quit_requested (const AppleEvent *aevt, AppleEvent *reply, long refcon)
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EggSMClient *client = GSIZE_TO_POINTER ((gsize)refcon);
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EggSMClientOSX *osx = GSIZE_TO_POINTER ((gsize)refcon);
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g_return_val_if_fail (!osx->quit_requested, userCanceledErr);
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/* FIXME AEInteractWithUser? */
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osx->quit_requested = TRUE;
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AEDuplicateDesc (aevt, &osx->quit_event);
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AEDuplicateDesc (reply, &osx->quit_reply);
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AESuspendTheCurrentEvent (aevt);
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/* Don't emit the "quit_requested" signal immediately, since we're
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* called from a weird point in the guts of gdkeventloop-quartz.c
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g_idle_add (idle_quit_requested, client);
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quit_requested_resumed (const AppleEvent *aevt, AppleEvent *reply, long refcon)
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EggSMClientOSX *osx = GSIZE_TO_POINTER ((gsize)refcon);
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osx->quit_requested = FALSE;
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return osx->quitting ? noErr : userCanceledErr;
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idle_will_quit (gpointer client)
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EggSMClientOSX *osx = (EggSMClientOSX *)client;
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/* Resume the event with a new handler that will return a value to
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AEResumeTheCurrentEvent (&osx->quit_event, &osx->quit_reply,
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NewAEEventHandlerUPP (quit_requested_resumed),
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(long)GPOINTER_TO_SIZE (client));
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AEDisposeDesc (&osx->quit_event);
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AEDisposeDesc (&osx->quit_reply);
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egg_sm_client_quit (client);
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sm_client_osx_will_quit (EggSMClient *client,
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EggSMClientOSX *osx = (EggSMClientOSX *)client;
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g_return_if_fail (osx->quit_requested);
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osx->quitting = will_quit;
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/* Finish in an idle handler since the caller might have called
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* egg_sm_client_will_quit() from inside the "quit_requested" signal
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* handler, but may not expect the "quit" signal to arrive during
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* the _will_quit() call.
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g_idle_add (idle_will_quit, client);
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sm_client_osx_end_session (EggSMClient *client,
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EggSMClientEndStyle style,
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gboolean request_confirmation)
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static const ProcessSerialNumber loginwindow_psn = { 0, kSystemProcess };
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AppleEvent event = { typeNull, NULL }, reply = { typeNull, NULL };
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AEAddressDesc target;
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case EGG_SM_CLIENT_END_SESSION_DEFAULT:
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case EGG_SM_CLIENT_LOGOUT:
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id = request_confirmation ? kAELogOut : kAEReallyLogOut;
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case EGG_SM_CLIENT_REBOOT:
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id = request_confirmation ? kAEShowRestartDialog : kAERestart;
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case EGG_SM_CLIENT_SHUTDOWN:
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id = request_confirmation ? kAEShowShutdownDialog : kAEShutDown;
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err = AECreateDesc (typeProcessSerialNumber, &loginwindow_psn,
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sizeof (loginwindow_psn), &target);
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g_warning ("Could not create descriptor for loginwindow: %d", err);
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err = AECreateAppleEvent (kCoreEventClass, id, &target,
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kAutoGenerateReturnID, kAnyTransactionID,
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AEDisposeDesc (&target);
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g_warning ("Could not create logout AppleEvent: %d", err);
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err = AESend (&event, &reply, kAENoReply, kAENormalPriority,
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kAEDefaultTimeout, NULL, NULL);
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AEDisposeDesc (&event);
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AEDisposeDesc (&reply);
added
removed
src/eggsmclient-osx.c
