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[ReactNative] [SyncDiff] Create new non-coalesceable event for when native should take the responder lock

This commit is contained in:
Andy Street 2015-08-20 12:46:23 -07:00
parent c1f90c1ecf
commit a0168a8c62
1 changed files with 7 additions and 3 deletions
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10
Libraries/vendor/react/browser/eventPlugins/ResponderEventPlugin.js vendored
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@ -430,9 +430,13 @@ function setResponderAndExtractTransfer(
* @param {string} topLevelType Record from `EventConstants`.
* @return {boolean} True if a transfer of responder could possibly occur.
*/
function canTriggerTransfer(topLevelType, topLevelTargetID) {
function canTriggerTransfer(topLevelType, topLevelTargetID, nativeEvent) {
return topLevelTargetID && (
topLevelType === EventConstants.topLevelTypes.topScroll ||
// responderIgnoreScroll: We are trying to migrate away from specifically tracking native scroll
// events here and responderIgnoreScroll indicates we will send topTouchCancel to handle
// canceling touch events instead
(topLevelType === EventConstants.topLevelTypes.topScroll &&
!nativeEvent.responderIgnoreScroll) ||
(trackedTouchCount > 0 &&
topLevelType === EventConstants.topLevelTypes.topSelectionChange) ||
isStartish(topLevelType) ||
@ -509,7 +513,7 @@ var ResponderEventPlugin = {
ResponderTouchHistoryStore.recordTouchTrack(topLevelType, nativeEvent, nativeEventTarget);
var extracted = canTriggerTransfer(topLevelType, topLevelTargetID) ?
var extracted = canTriggerTransfer(topLevelType, topLevelTargetID, nativeEvent) ?
setResponderAndExtractTransfer(
topLevelType,
topLevelTargetID,