transitoins.md

Animated Transition

• VC asks transitioningDelegate “do you have an animated transition for me?”
• delegate says “yes here is an <AnimatedTransitioning> object”
• framework says “hey <AnimatedTransitioning> object; perform the transition, and here’s the <ContextTransitioning> that defines the container view, the from vc, the to vc, the frames, etc. tell the context when you’re done”
• <AnimatedTransitioning> value does the animation and tells the <ContextTransitioning> value when it’s done
• fin

Interactive Transition

• VC asks transitioningDelegate “do you have an interactive transition for me?”
• delegate says “yes, here is an <InteractiveTransitioning> and an <AnimatedTransitioning>
• framework says “hey <InteractiveTransitioning>, start the transition, and report your progress to this <ContextTransitioning>
• the <InteractiveTransitioning> starts tracking interaction and reporting progress to the <ContextTransitioning>
• the <InteractiveTransitioning> tells the <ContextTransitioning> the interaction is done and the transition should either be aborted or completed
• the frameworks says “hey <AnimatedTransitioning>, animate the ui to either the initial or final states and tell the <ContextTransitioning> when you’re done
• the <AnimatedTransitioning> value does the animation and tells the <ContextTransitioning> when it’s done
• fin

by @davedelong