[sugar] perceived sugar performance

[Albert Cahalan]

Michael Stone writes:

> On Tue, Apr 29, 2008 at 07:58:06PM +0200, Marco Pesenti Gritti wrote:

>> * It deals with the problem of children clicking on 2-3 activities
>> at the same time, which proved to be a real issue in the field
>> (will faster activities address this? not sure).
>
> If you actually want to rate limit activity startup - why not just
> rate limit activity startup, perhaps with a "cooldown" effect?

This is exactly what Tux Paint has done for years. It holds a
lock file for 30 seconds. If it finds the lock file already
taken, it immediately exits. This works very well for kids.

> Instead, if you want to make it clear that people should be
> using one activity at a time, why not queue up launch requests
> and allow cancellation of all items in the queue?

For other reasons (GUI complexity and the OOM killer), the ability
to launch multiple activities should be disabled by default.