bool
StackAndTile::_HandleMessage(BPrivate::LinkReceiver& link,
BPrivate::LinkSender& reply)
{
int32 what;
link.Read<int32>(&what);
switch (what) {
case BPrivate::kSaveAllGroups:
{
BMessage allGroupsArchive;
GroupIterator groups(this, fDesktop);
while (true) {
SATGroup* group = groups.NextGroup();
if (group == NULL)
break;
if (group->CountItems() <= 1)
continue;
BMessage groupArchive;
if (group->ArchiveGroup(groupArchive) != B_OK)
continue;
allGroupsArchive.AddMessage("group", &groupArchive);
}
int32 size = allGroupsArchive.FlattenedSize();
char buffer[size];
if (allGroupsArchive.Flatten(buffer, size) == B_OK) {
reply.StartMessage(B_OK);
reply.Attach<int32>(size);
reply.Attach(buffer, size);
} else
reply.StartMessage(B_ERROR);
reply.Flush();
break;
}
case BPrivate::kRestoreGroup:
{
int32 size;
if (link.Read<int32>(&size) == B_OK) {
char buffer[size];
BMessage group;
if (link.Read(buffer, size) == B_OK
&& group.Unflatten(buffer) == B_OK) {
status_t status = SATGroup::RestoreGroup(group, this);
reply.StartMessage(status);
reply.Flush();
}
}
break;
}
default:
return false;
}
return true;
}
status_t
ServerPicture::ImportData(BPrivate::LinkReceiver& link)
{
int32 size = 0;
link.Read<int32>(&size);
off_t oldPosition = fData->Position();
fData->Seek(0, SEEK_SET);
status_t status = B_NO_MEMORY;
char* buffer = new(std::nothrow) char[size];
if (buffer) {
status = B_OK;
ssize_t read = link.Read(buffer, size);
if (read < B_OK || fData->Write(buffer, size) < B_OK)
status = B_ERROR;
delete [] buffer;
}
fData->Seek(oldPosition, SEEK_SET);
return status;
}
