Xiaoji Chen e73cceea5f Add/remove event handlers based on user setting (#308)
- Disable recognizers in `EventManager.off` if no more handlers are attached
- Let `MapControls` manage its own events by passing in the `EventManager` instance
- Use a new MapControls instance per map
2017-07-10 12:52:28 -07:00
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2017-06-27 18:15:34 -07:00