Disable cooperative gestures in fullscreen for touch panning and add screen reader alert for cooperative gestures warning message #12058
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karimnaaji
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Jul 6, 2022
src/ui/handler/scroll_zoom.js
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| @@ -112,7 +112,7 @@ class ScrollZoomHandler { | |||
| * const isScrollZoomEnabled = map.scrollZoom.isEnabled(); | |||
| */ | |||
| isEnabled(): boolean { | |||
| return !!this._enabled; | |||
| return this._enabled; | |||
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Why do we need this diff, as this._active, this._zooming and this._enabled may not be initialized?
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Good point Karim! It seemed a bit strange to be applying !! to a value that's already a boolean, but I now realize that this is potentially a breaking change. Thoughts on setting these values to false in the constructor?
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false in the constructor works, but also not against leaving as is!
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Readded the !!s, I've also added them to TouchPanHandler for consistency.
karimnaaji
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Jul 6, 2022
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Fixes #11635
Fixes https://github.com/mapbox/gl-js-team/issues/458
Before:
voiceover-main.mov
After:
voiceover-fix.mov
Launch Checklist
mapbox-gl-jschangelog:<changelog>FixcooperativeGesturespreventing panning on mobile while in fullscreen. Add screen reader alert for cooperative gestures warning message.</changelog>