File lxsession-0.4.4-fix_upower_support.patch of Package lxsession

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File lxsession-0.4.4-fix_upower_support.patch of Package lxsession (Revision 8c591598d85ec3752f502c07820c3461)

Currently displaying revision 8c591598d85ec3752f502c07820c3461 , Show latest

diff -uNr old-lxsession-0.4.4//lxsession-logout/dbus-interface.c lxsession-0.4.4/lxsession-logout/dbus-interface.c
--- old-lxsession-0.4.4//lxsession-logout/dbus-interface.c	2010-03-28 20:20:12.000000000 +0200
+++ lxsession-0.4.4/lxsession-logout/dbus-interface.c	2010-07-25 23:39:52.059867576 +0200
@@ -54,7 +54,7 @@
 }
 
 /* Send a message. */
-static DBusMessage * dbus_send_message(DBusMessage * message)
+static DBusMessage * dbus_send_message(DBusMessage * message, char * * error_text)
 {
     /* Get a connection handle. */
     DBusConnection * connection = dbus_connect();
@@ -68,36 +68,25 @@
     dbus_message_unref(message);
     if (reply == NULL)
     {
-        g_warning(G_STRLOC ": DBUS: %s", error.message);
+        if ((error.name == NULL) || (strcmp(error.name, DBUS_ERROR_NO_REPLY) != 0))
+        {
+            if (error_text != NULL)
+                *error_text = g_strdup(error.message);
+            g_warning(G_STRLOC ": DBUS: %s", error.message);
+        }
         dbus_error_free(&error);
     }
     return reply;
 }
 
-/* Send a message with no reply expected. */
-static gboolean dbus_send_message_without_reply(DBusMessage * message)
-{
-    /* Get a connection handle. */
-    DBusConnection * connection = dbus_connect();
-    if (connection == NULL)
-        return FALSE;
-
-    /* Send the message in the blind. */
-    dbus_bool_t status = dbus_connection_send(connection, message, NULL);
-    dbus_message_unref(message);
-    if ( ! status)
-	g_warning(G_STRLOC ": DBUS: dbus_connection_send failed\n");
-    return status;
-}
-	
 /* Read a result for a method that returns void. */
-static gboolean dbus_read_result_void(DBusMessage * reply)
+static char * dbus_read_result_void(DBusMessage * reply)
 {
     if (reply != NULL)
         dbus_message_unref(reply);
 
     /* No result.  Assume success. */
-    return TRUE;
+    return NULL;
 }
 
 /* Read a result for a method that returns boolean. */
@@ -144,19 +133,21 @@
 static gboolean dbus_ConsoleKit_query(const char * const query)
 {
 #ifdef HAVE_DBUS
-    return dbus_read_result_boolean(dbus_send_message(dbus_ConsoleKit_formulate_message(query)));
+    return dbus_read_result_boolean(dbus_send_message(dbus_ConsoleKit_formulate_message(query), NULL));
 #else
     return FALSE;
 #endif
 }
 
 /* Send a specified message to the ConsoleKit interface and process a void result. */
-static gboolean dbus_ConsoleKit_command(const char * const command)
+static char * dbus_ConsoleKit_command(const char * const command)
 {
 #ifdef HAVE_DBUS
-    return dbus_read_result_void(dbus_send_message(dbus_ConsoleKit_formulate_message(command)));
+    char * error = NULL;
+    dbus_read_result_void(dbus_send_message(dbus_ConsoleKit_formulate_message(command), &error));
+    return error;
 #else
-    return FALSE;
+    return NULL;
 #endif
 }
 
@@ -173,49 +164,49 @@
 }
 
 /* Invoke the Stop method on ConsoleKit. */
-gboolean dbus_ConsoleKit_Stop(void)
+char * dbus_ConsoleKit_Stop(void)
 {
     return dbus_ConsoleKit_command("Stop");
 }
 
 /* Invoke the Restart method on ConsoleKit. */
-gboolean dbus_ConsoleKit_Restart(void)
+char * dbus_ConsoleKit_Restart(void)
 {
     return dbus_ConsoleKit_command("Restart");
 }
 
-/*** DeviceKit Power mechanism ***/
+/*** UPower mechanism ***/
 
 #ifdef HAVE_DBUS
-/* Formulate a message to the DeviceKit Power interface. */
-static DBusMessage * dbus_DeviceKit_formulate_command(const char * const command)
+/* Formulate a message to the UPower interface. */
+static DBusMessage * dbus_UPower_formulate_command(const char * const command)
 {
     return dbus_message_new_method_call(
-        "org.freedesktop.DeviceKit.Power",
-	"/org/freedesktop/DeviceKit/Power",
-	"org.freedesktop.DeviceKit.Power",
+        "org.freedesktop.UPower",
+	"/org/freedesktop/UPower",
+	"org.freedesktop.UPower",
         command);
 }
 #endif
 
-/* Send a specified message to the DeviceKit interface and process a boolean result. */
-static gboolean dbus_DeviceKit_query(const char * const query)
+/* Send a specified message to the UPower interface and process a boolean result. */
+static gboolean dbus_UPower_query(const char * const query)
 {
 #ifdef HAVE_DBUS
     /* Formulate a message to the Properties interface. */
     DBusMessage * message = dbus_message_new_method_call(
-        "org.freedesktop.DeviceKit.Power",
-	"/org/freedesktop/DeviceKit/Power",
+        "org.freedesktop.UPower",
+	"/org/freedesktop/UPower",
 	"org.freedesktop.DBus.Properties",
         "Get");
-    const char * const interface_name = "org.freedesktop.DeviceKit.Power";
+    const char * const interface_name = "org.freedesktop.UPower";
     dbus_message_append_args(message,
         DBUS_TYPE_STRING, &interface_name,
         DBUS_TYPE_STRING, &query,
         DBUS_TYPE_INVALID);
 
     /* Send the message. */
-    DBusMessage * reply = dbus_send_message(message);
+    DBusMessage * reply = dbus_send_message(message, NULL);
     if (reply == NULL)
 	return FALSE;
 
@@ -237,39 +228,40 @@
 #endif
 }
 
-/* Send a specified message to the DeviceKit interface and process a void result. */
-static gboolean dbus_DeviceKit_command(const char * const command)
+/* Send a specified message to the UPower interface and process a void result. */
+static char * dbus_UPower_command(const char * const command)
 {
 #ifdef HAVE_DBUS
-    return dbus_read_result_void(dbus_send_message(dbus_DeviceKit_formulate_command(command)));
-//    return dbus_send_message_without_reply(dbus_DeviceKit_formulate_command(command));	It seems they don't send a reply; to be checked out
+    char * error = NULL;
+    dbus_read_result_void(dbus_send_message(dbus_UPower_formulate_command(command), &error));
+    return error;
 #else
-    return FALSE;
+    return NULL;
 #endif
 }
 
-/* Read the can-suspend property of DeviceKit/Power. */
-gboolean dbus_DeviceKit_CanSuspend(void)
+/* Read the can-suspend property of UPower. */
+gboolean dbus_UPower_CanSuspend(void)
 {
-    return dbus_DeviceKit_query("CanSuspend");
+    return dbus_UPower_query("CanSuspend");
 }
 
-/* Read the can-hibernate property of DeviceKit/Power. */
-gboolean dbus_DeviceKit_CanHibernate(void)
+/* Read the can-hibernate property of UPower. */
+gboolean dbus_UPower_CanHibernate(void)
 {
-    return dbus_DeviceKit_query("CanHibernate");
+    return dbus_UPower_query("CanHibernate");
 }
 
-/* Invoke the Suspend method on DeviceKit/Power. */
-gboolean dbus_DeviceKit_Suspend(void)
+/* Invoke the Suspend method on UPower. */
+char * dbus_UPower_Suspend(void)
 {
-    return dbus_DeviceKit_command("Suspend");
+    return dbus_UPower_command("Suspend");
 }
 
-/* Invoke the Hibernate method on DeviceKit/Power. */
-gboolean dbus_DeviceKit_Hibernate(void)
+/* Invoke the Hibernate method on UPower. */
+char * dbus_UPower_Hibernate(void)
 {
-    return dbus_DeviceKit_command("Hibernate");
+    return dbus_UPower_command("Hibernate");
 }
 
 /*** HAL mechanism ***/
@@ -318,7 +310,7 @@
     DBusMessage * message = dbus_HAL_formulate_string_property_query(property);
     if (message == NULL)
         return FALSE;
-    DBusMessage * reply = dbus_send_message(message);
+    DBusMessage * reply = dbus_send_message(message, NULL);
     if (reply == NULL)
 	return FALSE;
     dbus_message_unref(reply);
@@ -332,20 +324,20 @@
 static gboolean dbus_HAL_boolean_query(const char * const property)
 {
 #ifdef HAVE_DBUS
-    return dbus_read_result_boolean(dbus_send_message(dbus_HAL_formulate_boolean_property_query(property)));
+    return dbus_read_result_boolean(dbus_send_message(dbus_HAL_formulate_boolean_property_query(property), NULL));
 #else
     return FALSE;
 #endif
 }
 
 /* Send a specified message to the HAL interface and process a void result. */
-static gboolean dbus_HAL_command(const char * const command)
+static char * dbus_HAL_command(const char * const command)
 {
 #ifdef HAVE_DBUS
     /* Formulate the message. */
     DBusMessage * message = dbus_HAL_formulate_message(command);
     if (message == NULL)
-	return FALSE;
+        return NULL;
 
     /* Suspend has an argument. */
     if (strcmp(command, "Suspend") == 0)
@@ -355,9 +347,11 @@
     }
 
     /* Send the message and wait for a reply. */
-    return dbus_read_result_void(dbus_send_message(message));
+    char * error = NULL;
+    dbus_read_result_void(dbus_send_message(message, &error));
+    return error;
 #else
-    return FALSE;
+    return NULL;
 #endif
 }
 
@@ -386,25 +380,25 @@
 }
 
 /* Invoke the Shutdown method on HAL. */
-gboolean dbus_HAL_Shutdown(void)
+char * dbus_HAL_Shutdown(void)
 {
     return dbus_HAL_command("Shutdown");
 }
 
 /* Invoke the Reboot method on HAL. */
-gboolean dbus_HAL_Reboot(void)
+char * dbus_HAL_Reboot(void)
 {
     return dbus_HAL_command("Reboot");
 }
 
 /* Invoke the Suspend method on HAL. */
-gboolean dbus_HAL_Suspend(void)
+char * dbus_HAL_Suspend(void)
 {
     return dbus_HAL_command("Suspend");
 }
 
 /* Invoke the Hibernate method on HAL. */
-gboolean dbus_HAL_Hibernate(void)
+char * dbus_HAL_Hibernate(void)
 {
     return dbus_HAL_command("Hibernate");
 }
diff -uNr old-lxsession-0.4.4//lxsession-logout/dbus-interface.h lxsession-0.4.4/lxsession-logout/dbus-interface.h
--- old-lxsession-0.4.4//lxsession-logout/dbus-interface.h	2010-03-06 11:20:19.000000000 +0100
+++ lxsession-0.4.4/lxsession-logout/dbus-interface.h	2010-07-25 23:39:52.068871814 +0200
@@ -24,14 +24,14 @@
 /* Interface to ConsoleKit for shutdown and reboot. */
 extern gboolean dbus_ConsoleKit_CanStop(void);
 extern gboolean dbus_ConsoleKit_CanRestart(void);
-extern gboolean dbus_ConsoleKit_Stop(void);
-extern gboolean dbus_ConsoleKit_Restart(void);
+extern char * dbus_ConsoleKit_Stop(void);
+extern char * dbus_ConsoleKit_Restart(void);
 
-/* Interface to DeviceKit/Power for suspend and hibernate. */
-extern gboolean dbus_DeviceKit_CanSuspend(void);
-extern gboolean dbus_DeviceKit_CanHibernate(void);
-extern gboolean dbus_DeviceKit_Suspend(void);
-extern gboolean dbus_DeviceKit_Hibernate(void);
+/* Interface to UPower for suspend and hibernate. */
+extern gboolean dbus_UPower_CanSuspend(void);
+extern gboolean dbus_UPower_CanHibernate(void);
+extern char * dbus_UPower_Suspend(void);
+extern char * dbus_UPower_Hibernate(void);
 
 /* Interface to HAL for shutdown, reboot, suspend, and hibernate.
  * HAL is being replaced by the above two mechanisms; this support is legacy. */
@@ -39,9 +39,9 @@
 extern gboolean dbus_HAL_CanReboot(void);
 extern gboolean dbus_HAL_CanSuspend(void);
 extern gboolean dbus_HAL_CanHibernate(void);
-gboolean dbus_HAL_Shutdown(void);
-gboolean dbus_HAL_Reboot(void);
-gboolean dbus_HAL_Suspend(void);
-gboolean dbus_HAL_Hibernate(void);
+extern char * dbus_HAL_Shutdown(void);
+extern char * dbus_HAL_Reboot(void);
+extern char * dbus_HAL_Suspend(void);
+extern char * dbus_HAL_Hibernate(void);
 
 #endif
diff -uNr old-lxsession-0.4.4//lxsession-logout/lxsession-logout.c lxsession-0.4.4/lxsession-logout/lxsession-logout.c
--- old-lxsession-0.4.4//lxsession-logout/lxsession-logout.c	2010-07-25 23:39:12.933867740 +0200
+++ lxsession-0.4.4/lxsession-logout/lxsession-logout.c	2010-07-25 23:50:55.106114634 +0200
@@ -53,6 +53,7 @@
 
 typedef struct {
     GPid lxsession_pid;			/* Process ID of lxsession */
+    GtkWidget * error_label;		/* Text of an error, if we get one */
 
     int shutdown_available : 1;		/* Shutdown is available */
     int reboot_available : 1;		/* Reboot is available */
@@ -62,20 +63,21 @@
 
     int shutdown_ConsoleKit : 1;	/* Shutdown is available via ConsoleKit */
     int reboot_ConsoleKit : 1;		/* Reboot is available via ConsoleKit */
-    int suspend_DeviceKit : 1;		/* Suspend is available via DeviceKit */
-    int hibernate_DeviceKit : 1;	/* Hibernate is available via DeviceKit */
+    int suspend_UPower : 1;		/* Suspend is available via UPower */
+    int hibernate_UPower : 1;		/* Hibernate is available via UPower */
     int shutdown_HAL : 1;		/* Shutdown is available via HAL */
     int reboot_HAL : 1;			/* Reboot is available via HAL */
     int suspend_HAL : 1;		/* Suspend is available via HAL */
     int hibernate_HAL : 1;		/* Hibernate is available via HAL */
     int switch_user_GDM : 1;		/* Switch User is available via GDM */
     int switch_user_KDM : 1;		/* Switch User is available via KDM */
-    int ltsp : 1; /* under LTSP environment */
+    int ltsp : 1; 			/* Shutdown and reboot is accomplished via LTSP */
 } HandlerContext;
 
 static gboolean lock_screen(void);
 static gboolean verify_running(char * display_manager, char * executable);
 static void logout_clicked(GtkButton * button, HandlerContext * handler_context);
+static void change_root_property(GtkWidget* w, const char* prop_name, const char* value);
 static void shutdown_clicked(GtkButton * button, HandlerContext * handler_context);
 static void reboot_clicked(GtkButton * button, HandlerContext * handler_context);
 static void suspend_clicked(GtkButton * button, HandlerContext * handler_context);
@@ -187,6 +189,7 @@
     gtk_main_quit();
 }
 
+/* Replace a property on the root window. */
 static void change_root_property(GtkWidget* w, const char* prop_name, const char* value)
 {
     GdkDisplay* dpy = gtk_widget_get_display(w);
@@ -199,59 +202,81 @@
 /* Handler for "clicked" signal on Shutdown button. */
 static void shutdown_clicked(GtkButton * button, HandlerContext * handler_context)
 {
-    if (G_UNLIKELY(handler_context->ltsp))
+    char * error_result = NULL;
+    gtk_label_set_text(GTK_LABEL(handler_context->error_label), NULL);
+
+    if (handler_context->ltsp)
     {
         change_root_property(GTK_WIDGET(button), "LTSP_LOGOUT_ACTION", "HALT");
         kill(handler_context->lxsession_pid, SIGTERM);
     }
     else if (handler_context->shutdown_ConsoleKit)
-        dbus_ConsoleKit_Stop();
+        error_result = dbus_ConsoleKit_Stop();
     else if (handler_context->shutdown_HAL)
-        dbus_HAL_Shutdown();
-    gtk_main_quit();
+        error_result = dbus_HAL_Shutdown();
+    if (error_result != NULL)
+        gtk_label_set_text(GTK_LABEL(handler_context->error_label), error_result);
+    else gtk_main_quit();
 }
 
 /* Handler for "clicked" signal on Reboot button. */
 static void reboot_clicked(GtkButton * button, HandlerContext * handler_context)
 {
-    if (G_UNLIKELY(handler_context->ltsp))
+    char * error_result = NULL;
+    gtk_label_set_text(GTK_LABEL(handler_context->error_label), NULL);
+
+    if (handler_context->ltsp)
     {
         change_root_property(GTK_WIDGET(button), "LTSP_LOGOUT_ACTION", "REBOOT");
         kill(handler_context->lxsession_pid, SIGTERM);
     }
     else if (handler_context->reboot_ConsoleKit)
-        dbus_ConsoleKit_Restart();
+        error_result = dbus_ConsoleKit_Restart();
     else if (handler_context->reboot_HAL)
-        dbus_HAL_Reboot();
-    gtk_main_quit();
+        error_result = dbus_HAL_Reboot();
+    if (error_result != NULL)
+        gtk_label_set_text(GTK_LABEL(handler_context->error_label), error_result);
+    else gtk_main_quit();
 }
 
 /* Handler for "clicked" signal on Suspend button. */
 static void suspend_clicked(GtkButton * button, HandlerContext * handler_context)
 {
     lock_screen();
-    if (handler_context->suspend_DeviceKit)
-        dbus_DeviceKit_Suspend();
+    char * error_result = NULL;
+    gtk_label_set_text(GTK_LABEL(handler_context->error_label), NULL);
+
+    if (handler_context->suspend_UPower)
+        error_result = dbus_UPower_Suspend();
     else if (handler_context->suspend_HAL)
-        dbus_HAL_Suspend();
-    gtk_main_quit();
+        error_result = dbus_HAL_Suspend();
+    if (error_result != NULL)
+        gtk_label_set_text(GTK_LABEL(handler_context->error_label), error_result);
+    else gtk_main_quit();
 }
 
 /* Handler for "clicked" signal on Hibernate button. */
 static void hibernate_clicked(GtkButton * button, HandlerContext * handler_context)
 {
     lock_screen();
-    if (handler_context->hibernate_DeviceKit)
-        dbus_DeviceKit_Hibernate();
+    char * error_result = NULL;
+    gtk_label_set_text(GTK_LABEL(handler_context->error_label), NULL);
+
+    if (handler_context->hibernate_UPower)
+        error_result = dbus_UPower_Hibernate();
     else if (handler_context->hibernate_HAL)
-        dbus_HAL_Hibernate();
-    gtk_main_quit();
+        error_result = dbus_HAL_Hibernate();
+    if (error_result != NULL)
+        gtk_label_set_text(GTK_LABEL(handler_context->error_label), error_result);
+    else gtk_main_quit();
 }
 
 /* Handler for "clicked" signal on Switch User button. */
 static void switch_user_clicked(GtkButton * button, HandlerContext * handler_context)
 {
+
     lock_screen();
+    gtk_label_set_text(GTK_LABEL(handler_context->error_label), NULL);
     if (handler_context->switch_user_GDM)
         g_spawn_command_line_sync("gdmflexiserver --startnew", NULL, NULL, NULL, NULL);
     else if (handler_context->switch_user_KDM)
@@ -386,19 +411,17 @@
         handler_context.reboot_ConsoleKit = TRUE;
     }
 
-#ifdef LATENT_DEVICEKIT_SUPPORT
-    /* Initialize capabilities of the DeviceKit mechanism. */
-    if (dbus_DeviceKit_CanSuspend())
+    /* Initialize capabilities of the UPower mechanism. */
+    if (dbus_UPower_CanSuspend())
     {
         handler_context.suspend_available = TRUE;
-        handler_context.suspend_DeviceKit = TRUE;
+        handler_context.suspend_UPower = TRUE;
     }
-    if (dbus_DeviceKit_CanHibernate())
+    if (dbus_UPower_CanHibernate())
     {
         handler_context.hibernate_available = TRUE;
-        handler_context.hibernate_DeviceKit = TRUE;
+        handler_context.hibernate_UPower = TRUE;
     }
-#endif
 
     /* Initialize capabilities of the HAL mechanism. */
     if (!handler_context.shutdown_available && dbus_HAL_CanShutdown())
@@ -597,6 +620,11 @@
     g_signal_connect(G_OBJECT(cancel_button), "clicked", G_CALLBACK(cancel_clicked), NULL);
     gtk_box_pack_start(GTK_BOX(controls), cancel_button, FALSE, FALSE, 4);
 
+    /* Create the error text. */
+    handler_context.error_label = gtk_label_new("");
+    gtk_label_set_justify(GTK_LABEL(handler_context.error_label), GTK_JUSTIFY_CENTER);
+    gtk_box_pack_start(GTK_BOX(controls), handler_context.error_label, FALSE, FALSE, 4);
+
     /* Show everything. */
     gtk_widget_show_all(window);

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File lxsession-0.4.4-fix_upower_support.patch of Package lxsession (Revision 8c591598d85ec3752f502c07820c3461)

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