[maemo-developers] How to override load_desktop_file in hildon home plugins?

[From: Ville M. Vainio]

On Wed, Feb 10, 2010 at 7:56 AM, Ville M. Vainio <vivainio at gmail.com> wrote:

> This way, my proxy_home_plugin_item_load_desktop_file() function gets
> called. But indeed it
> appears this is not working fine for unloading & loading.

More details (from looking at the crash in hildon-home):

6319]: GLIB WARNING ** GLib-GObject - cannot add interface type
`HDPluginItem' to type `Pr
oxyHomePlugin', since type `ProxyHomePlugin' already conforms to interface

Program received signal SIGSEGV, Segmentation fault.

Backtrace:


#0  0x00e41fd0 in ?? ()
#1  0x00b3e193 in type_iface_vtable_iface_init_Wm (iface=0x80a41a0,
node=<value optimized o
ut>) at /home/bifh6/fremantle-i386-prereleased.cs2007q3/work/glib2.0-2.20.3/gobject/gtype.c
:1827
#2  0x00b421fd in IA__g_type_class_ref (type=135958760) at
/home/bifh6/fremantle-i386-prere
leased.cs2007q3/work/glib2.0-2.20.3/gobject/gtype.c:2015
#3  0x00b26e84 in IA__g_object_new_valist (object_type=135958760,
first_property_name=0x378
707 "plugin-id", var_args=0xbfffebd8 "8\266\32\b") at
/home/bifh6/fremantle-i386-prerelease
d.cs2007q3/work/glib2.0-2.20.3/gobject/gobject.c:1280
#4  0x00b271c7 in IA__g_object_new (object_type=135958760,
first_property_name=0x378707 "pl
ugin-id") at /home/bifh6/fremantle-i386-prereleased.cs2007q3/work/glib2.0-2.20.3/gobject/go
bject.c:1060
#5  0x00371725 in hd_plugin_module_new_object (module=0x8283008,
plugin_id=0x81ab638 "proxy
-home-widget.desktop-0") at hd-plugin-module.c:247
#6  0x0036e649 in hd_plugin_loader_default_open_module
(loader=0x8287480, plugin_id=0x81ab6
38 "proxy-home-widget.desktop-0", keyfile=0x8275d40, error=0xbfffec6c)
at hd-plugin-loader-
default.c:105
#7  0x0036e79d in hd_plugin_loader_default_load (loader=0x8287480,
plugin_id=0x81ab638 "pro
xy-home-widget.desktop-0", keyfile=0x8275d40, error=0xbfffecbc) at
hd-plugin-loader-default
.c:141
#8  0x0036f3de in hd_plugin_loader_load (loader=0x8287480,
plugin_id=0x81ab638 "proxy-home-
widget.desktop-0", keyfile=0x8275d40, error=0xbfffecbc) at hd-plugin-loader.c:57
#9  0x0036f244 in hd_plugin_loader_factory_create (factory=0x8063e00,
plugin_id=0x81ab638 "
proxy-home-widget.desktop-0", module_id=0x8288888
"/usr/share/applications/hildon-home/prox
y-home-widget.desktop", error=0xbfffed10) at hd-plugin-loader-factory.c:321
#10 0x0036f804 in load_plugin_idle (idle_data=0x819c550) at
hd-plugin-manager.c:235
#11 0x003b486c in gdk_threads_dispatch (data=0x81b3970) at gdk.c:473
#12 0x0027b0e3 in g_idle_dispatch (source=0x82770a0,
callback=0x817db38, user_data=0x81b397
0) at /home/bifh6/fremantle-i386-prereleased.cs2007q3/work/glib2.0-2.20.3/glib/gmain.c:3966
#13 0x0027ce3c in IA__g_main_context_dispatch (context=0x8071888) at
/home/bifh6/fremantle-
i386-prereleased.cs2007q3/work/glib2.0-2.20.3/glib/gmain.c:1836
#14 0x002803c5 in g_main_context_iterate (context=0x8071888, block=1,
dispatch=1, self=0x80
55ac0) at /home/bifh6/fremantle-i386-prereleased.cs2007q3/work/glib2.0-2.20.3/glib/gmain.c:
2467
#15 0x002806b8 in IA__g_main_loop_run (loop=0x819dbf0) at
/home/bifh6/fremantle-i386-prerel
eased.cs2007q3/work/glib2.0-2.20.3/glib/gmain.c:2675
#16 0x01013eb9 in IA__gtk_main () at gtkmain.c:1200
#17 0x0039a726 in main (argc=134691256, argv=0x9) at hildon-home.c:199
#18 0x08048983 in summon_process (prog=0xbfffef6c) at summoner.c:43
#19 0x08048c2a in main (argc=2, argv=0xbffff054) at summoner.c:128
-- 
Ville M. Vainio
http://tinyurl.com/vainio