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-rw-r--r--ext/mixed/js/text-scanner.js19
1 files changed, 8 insertions, 11 deletions
diff --git a/ext/mixed/js/text-scanner.js b/ext/mixed/js/text-scanner.js
index aa10bbaf..db3835cf 100644
--- a/ext/mixed/js/text-scanner.js
+++ b/ext/mixed/js/text-scanner.js
@@ -158,7 +158,7 @@ class TextScanner {
onTouchEnd(e) {
if (
this.primaryTouchIdentifier === null ||
- TextScanner.getIndexOfTouch(e.changedTouches, this.primaryTouchIdentifier) < 0
+ TextScanner.getTouch(e.changedTouches, this.primaryTouchIdentifier) === null
) {
return;
}
@@ -181,13 +181,11 @@ class TextScanner {
return;
}
- const touches = e.changedTouches;
- const index = TextScanner.getIndexOfTouch(touches, this.primaryTouchIdentifier);
- if (index < 0) {
+ const primaryTouch = TextScanner.getTouch(e.changedTouches, this.primaryTouchIdentifier);
+ if (primaryTouch === null) {
return;
}
- const primaryTouch = touches[index];
this.searchAt(primaryTouch.clientX, primaryTouch.clientY, 'touchMove');
e.preventDefault(); // Disable scroll
@@ -356,13 +354,12 @@ class TextScanner {
}
}
- static getIndexOfTouch(touchList, identifier) {
- for (const i in touchList) {
- const t = touchList[i];
- if (t.identifier === identifier) {
- return i;
+ static getTouch(touchList, identifier) {
+ for (const touch of touchList) {
+ if (touch.identifier === identifier) {
+ return touch;
}
}
- return -1;
+ return null;
}
}