int32 QueryMenu::QueryThread( void )
{
BAutolock lock( fQueryLock );
if( !lock.IsLocked() )
return B_ERROR;
fCancelQuery = false;
// Begin resolving query
fQuery->Fetch();
entry_ref ref;
node_ref node;
// Build Menu
// The leash it a work-around for when the something in the query breaks and prevents
// GetNextRef() from ever returning B_ENTRY_NOT_FOUND
for( int32 leash=0; (fQuery->GetNextRef( &ref ) != B_ENTRY_NOT_FOUND)&&(!fCancelQuery)&&(leash < 128); leash++ )
{
BEntry entry( &ref );
entry.GetNodeRef( &node );
EntryCreated( ref, node.node );
}
return B_OK;
}
int32 QueryMenu::QueryThread()
{
BAutolock lock(fQueryLock);
if (!lock.IsLocked())
return B_ERROR;
// Begin resolving query
fCancelQuery = false;
fQuery->Fetch();
// Build Menu
entry_ref ref;
node_ref node;
while (fQuery->GetNextRef(&ref) == B_OK && !fCancelQuery)
{
BEntry entry(&ref);
entry.GetNodeRef(&node);
EntryCreated(ref, node.node);
}
// Remove the group separator if there are no groups or no items without groups
BMenuItem *item;
if (dynamic_cast<BSeparatorItem *>(item = ItemAt(0)) != NULL)
RemoveItem(item);
else if (dynamic_cast<BSeparatorItem *>(item = ItemAt(CountItems() - 1)) != NULL)
RemoveItem(item);
return B_OK;
}
void QueryMenu::DoQueryMessage( BMessage *msg )
{
int32 opcode;
int64 directory;
int32 device;
int64 node;
const char *name;
if( (msg->FindInt32( "opcode", &opcode ) == B_OK)&&
(msg->FindInt64( "directory", &directory ) == B_OK)&&
(msg->FindInt32( "device", &device ) == B_OK)&&
(msg->FindInt64( "node", &node ) == B_OK) )
{
if( (opcode == B_ENTRY_CREATED)&&(msg->FindString( "name", &name ) == B_OK) )
{
entry_ref ref( device, directory, name );
EntryCreated( ref, node );
return;
}
else if( opcode == B_ENTRY_REMOVED )
{
BAutolock lock( fQueryLock );
if( !lock.IsLocked() )
return;
EntryRemoved( node );
}
}
}
void
AttrChanged(WatchedFile* file)
{
EntryRemoved(file);
EntryCreated(file);
}
