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msi: Don't subscribe more than once to the same control event.

This commit is contained in:
Hans Leidekker 2011-06-23 09:07:48 +02:00 committed by Alexandre Julliard
parent 838614c7ec
commit d1ae506e40
1 changed files with 16 additions and 8 deletions
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24
dlls/msi/events.c
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@ -254,9 +254,19 @@ VOID ControlEvent_SubscribeToEvent( MSIPACKAGE *package, msi_dialog *dialog,
{
struct subscriber *sub;
sub = msi_alloc(sizeof (*sub));
if( !sub )
return;
TRACE("event %s control %s attribute %s\n", debugstr_w(event), debugstr_w(control), debugstr_w(attribute));
LIST_FOR_EACH_ENTRY( sub, &package->subscriptions, struct subscriber, entry )
{
if (!strcmpiW( sub->event, event ) &&
!strcmpiW( sub->control, control ) &&
!strcmpiW( sub->attribute, attribute ))
{
TRACE("already subscribed\n");
return;
};
}
if (!(sub = msi_alloc( sizeof(*sub) ))) return;
sub->dialog = dialog;
sub->event = strdupW(event);
sub->control = strdupW(control);
@ -264,17 +274,15 @@ VOID ControlEvent_SubscribeToEvent( MSIPACKAGE *package, msi_dialog *dialog,
list_add_tail( &package->subscriptions, &sub->entry );
}
VOID ControlEvent_FireSubscribedEvent( MSIPACKAGE *package, LPCWSTR event,
MSIRECORD *rec )
VOID ControlEvent_FireSubscribedEvent( MSIPACKAGE *package, LPCWSTR event, MSIRECORD *rec )
{
struct subscriber *sub;
TRACE("Firing Event %s\n",debugstr_w(event));
TRACE("Firing event %s\n", debugstr_w(event));
LIST_FOR_EACH_ENTRY( sub, &package->subscriptions, struct subscriber, entry )
{
if (strcmpiW( sub->event, event ))
continue;
if (strcmpiW( sub->event, event )) continue;
msi_dialog_handle_event( sub->dialog, sub->control, sub->attribute, rec );
}
}