Adam Barth 2af668f832 Change how navigator prevents redundant operations (#4769)
* Change how navigator prevents redundant operations

Instead of requiring transactions, we now cancel all active pointers that are
interacting with the navigator and absorb future pointers until we get a chance
to build. This approach isn't perfect (e.g., events that trigger off the
cancelled pointers could still interact with the navigator), but it should be
better than the current transaction-based approach.

Fixes #4716

* Remove openTransaction

* test

* fixup
2016-06-27 13:07:47 -07:00
..
2016-05-09 11:00:54 -07:00
2016-05-09 11:00:54 -07:00

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