Agree with the 1D thing, but it's mostly the cadence of what he's saying, not the actual tune. It's not too shabby though.
Yeah, you're right. I went back and listened to the One Direction song to see. You could just sing the One Direction song over that prechorus of the Owl City song, but the melody isn't the same. Weird that my mind went to that 1D song though since i've never listened to it purposely until a second ago, haha.