FreeLists / openbeos / [openbeos] Re: state-keeping app

["Jonas Sundstrom" <kirilla@xxxxxxxxx>]

"Ingo Weinhold" <bonefish@xxxxxxxxxxxxxxx> wrote:
 ...
> > > - a B_LOAD_STATE app launch message
> > > 
> > > - a B_SAVE_STATE shutdown message
> > >   (probably a B_QUIT_REQUESTED with a "save_state" field)
> 
> Actually I would provide the application programmer with a little bit 
> more comfortable interface. E.g. two new BApplication hook methods
> 
>   status_t StoreState(BDataIO *state);
>   status_t RestoreState(BDataIO *state);
> 
> A BDataIO should be better than a BMessage, as applications with a 
> greater amount of data to be saved/loaded certainly don't want to put 
> it into a BMessage first, whereas the others are free to internally 
> use 
> a BMessage and just Flatten() it to/Unflatten() it from the BDataIO.

Hook methods would be nice, but I didn't mean fullblown BMessages,
just the "what" constants, asking the application to take action.

I don't see the point of the BDataIO object.

/Jonas Sundstrom. ~ www.kirilla.com ~ www.kioki.com