I doubt that we'll see "true" wireless charging so your phone can charge across your room. Wireless charging happens through induction, a magnetic field that induces electric voltage in your device which charges your battery. This magnetic field decreases proportional to your distance. For example when you double your distance from the "power router" the field is only 1/4 as strong, so you need 4 times as much input energy to keep the magnetic field as strong as it used to be. This physical law limits your range in which your device can charge wirelessly.
So we may get a wireless charging solution that may work in a limited Radius (e.g. Maybe a few meters) but I highly doubt that we'll be able to charge a device across a whole room or even a whole house in the near future. Just imagine how much power it would need to do so, I believe the socket can't even provide so much energy and thus the socket itself limits the radius you are able to charge your device wirelessly. Also you would have to pay money for energy that gets "lost" and is never used. But yeah even a "limited" wireless charging solution (e.g. within a meter) is pretty cool. I hope apple will introduce this feature in the iP7