Summary:
Currently, the system for mapping JS event handlers to blocks is quite clean on the JS side, but is clunky on the native side. The event property is passed as a boolean, which can then be checked by the native side, and if true, the native side is supposed to send an event via the event dispatcher.
This diff adds the facility to declare the property as a block instead. This means that the event side can simply call the block, and it will automatically send the event. Because the blocks for bubbling and direct events are named differently, we can also use this to generate the event registration data and get rid of the arrays of event names.
The name of the event is inferred from the property name, which means that the property for an event called "load" must be called `onLoad` or the mapping won't work. This can be optionally remapped to a different property name on the view itself if necessary, e.g.
RCT_REMAP_VIEW_PROPERTY(onLoad, loadEventBlock, RCTDirectEventBlock)
If you don't want to use this mechanism then for now it is still possible to declare the property as a BOOL instead and use the old mechanism (this approach is now deprecated however, and may eventually be removed altogether).
Summary:
Started from here - https://github.com/facebook/react-native/issues/1120. Most functionality for annotations were missing so I started implementing and somehow got caught up until the entire thing was done.
2 new events:
- callout presses (left / right)
- annotation presses
6 new properties for annotations:
- hasLeftCallout
- hasRightCallout
- onLeftCalloutPress
- onRightCalloutPress
- animateDrop
- id
1 new property for MapView
- onAnnotationPress
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Now the important thing is, that I implemented all of this the way "I would do it". I am not sure this is the 'reacty' way so please let me know my mistakes 😄
The problem is that there is no real way to identify annotations which makes it difficult to distinguish which one got clicked. The idea is to pass a `id` and whether it has callouts the entire way with the annotation. I had to
Closes https://github.com/facebook/react-native/pull/1247
Github Author: David Mohl <me@dave.cx>
Test Plan: Imported from GitHub, without a `Test Plan:` line.
Nick Lockwood
Kevin Gozali
David Mohl
Adam Krell
Krzysztof Magiera
Spencer Ahrens
Philipp von Weitershausen
guru inamdar
Jiajie Zhu
Basil Hosmer
Christopher Chedeau
Tadeu Zagallo
