Deltas were causing canvas centering

Deltas were causing canvas centering

Deltas were firing canvas resized events, this prevents centering on those events.

https://code.launchpad.net/~makyo/juju-gui/ann-center/+merge/184146

(do not edit description out of merge proposal)

[matthew.scott, 2013-09-05 17:03:14]

Please take a look.

[benji, 2013-09-05 17:08:49]

LGTM.

https://codereview.appspot.com/13547045/diff/1/app/views/topology/viewport.js
File app/views/topology/viewport.js (right):

https://codereview.appspot.com/13547045/diff/1/app/views/topology/viewport.js...
app/views/topology/viewport.js:97: // if the size has actually changed (as this
method is sometimes called
Good comment.  the "i" should be capitalized.

https://codereview.appspot.com/13547045/diff/1/test/test_viewport_module.js
File test/test_viewport_module.js (right):

https://codereview.appspot.com/13547045/diff/1/test/test_viewport_module.js#n...
test/test_viewport_module.js:114: return [width + 1, height + 1];
A comment as to why the "+ 1"s are needed would be nice.

[matthew.scott, 2013-09-06 07:59:00]

*** Submitted:

Deltas were causing canvas centering

Deltas were firing canvas resized events, this prevents centering on those
events.

R=benji
CC=
https://codereview.appspot.com/13547045