I want to bring plasma to the screensaver. I'm going to draw plasma applets on top of the screensaver, whatever it may be. Widgets added to the screensaver will respond to input, but will be locked down to remove or minimize the security risks of letting people interact with a locked screen. This means you can have a pretty screensaver *and* have a clock on it. :)


Scenarios
=========

Amy wants to take her laptop to her lectures to play nethack -- uh, I mean, take notes. She gets to class, unhibernates her laptop - then discovers she forgot to pause her music. Her laptop has no hardware volume control and the screen is locked, but since she always has a volume control on her screensaver, she reaches the mute button before anyone gets too annoyed.
Amy leaves to find a bathroom, and while she's gone Bob leans over to see what's on her computer. The screen is locked, so he can't do any damage, but he leaves a rude message on the Notes widget anyways. Amy comes back and rolls her eyes at Bob's bad spelling.
It's the weekend, and Amy is having a party. She has all her music on her computer, and wants her friends to be able to pick songs, but doesn't want Bob putting up nasty images like he did on Cory's computer. She loads up the 'party' widgets she saved before, with a music widget and a few other toys, then leaves the screen locked.
Amy and her friends decide to go out for dinner. A few minutes after they leave, Amy's roommate Dan comes home to find the music still blaring. He hits the stop button on the music widget, then logs into his own account and starts playing his own music.