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Verify event is not null on touch.js #13

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Verify event is not null on touch.js #13

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1dfc86d
Verify event is not null on touch.js
as0ler Mar 3, 2023
2cbb96e
Tweak style
oleavr Mar 3, 2023
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95 changes: 47 additions & 48 deletions lib/touch.js
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Original file line number Diff line number Diff line change
Expand Up @@ -129,58 +129,57 @@ const Injector = ObjC.registerClass({

const app = UIApplication.sharedApplication();
const event = app['- _touchesEvent'].call(app);
event['- _clearTouches'].call(event);

const absoluteTime = mach_absolute_time();

const timestamp = [
absoluteTime.shr(32).toNumber(),
absoluteTime.and(0xffffffff).toNumber()
];

touch.setTimestamp_(CFGetSystemUptime());

const eventMask = (phase === UITouchPhaseMoved)
? kIOHIDDigitizerEventPosition
: (kIOHIDDigitizerEventRange | kIOHIDDigitizerEventTouch);
const isRangeAndTouch = (phase !== UITouchPhaseEnded) ? 1 : 0;

const hidEvent = IOHIDEventCreateDigitizerFingerEvent(
kCFAllocatorDefault,
timestamp,
0,
2,
eventMask,
point[0],
point[1],
0,
0,
0,
isRangeAndTouch,
isRangeAndTouch,
0);

if ('- _setHidEvent:' in touch) {
touch['- _setHidEvent:'].call(touch, hidEvent);
}

event['- _setHIDEvent:'].call(event, hidEvent);
event['- _addTouch:forDelayedDelivery:'].call(event, touch, false);

const pool = NSAutoreleasePool.alloc().init();
try {
app.sendEvent_(event);
} finally {
pool.release();
if (event) {
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event['- _clearTouches'].call(event);
const absoluteTime = mach_absolute_time();

const timestamp = [
absoluteTime.shr(32).toNumber(),
absoluteTime.and(0xffffffff).toNumber()
];

touch.setTimestamp_(CFGetSystemUptime());

const eventMask = (phase === UITouchPhaseMoved)
? kIOHIDDigitizerEventPosition
: (kIOHIDDigitizerEventRange | kIOHIDDigitizerEventTouch);
const isRangeAndTouch = (phase !== UITouchPhaseEnded) ? 1 : 0;

const hidEvent = IOHIDEventCreateDigitizerFingerEvent(
kCFAllocatorDefault,
timestamp,
0,
2,
eventMask,
point[0],
point[1],
0,
0,
0,
isRangeAndTouch,
isRangeAndTouch,
0);

if ('- _setHidEvent:' in touch) {
touch['- _setHidEvent:'].call(touch, hidEvent);
}

CFRelease(hidEvent);
event['- _setHIDEvent:'].call(event, hidEvent);
event['- _addTouch:forDelayedDelivery:'].call(event, touch, false);

priv.previous = point;
if (isLastTouch) {
touch.release();
priv.touch = null;
const pool = NSAutoreleasePool.alloc().init();
try {
app.sendEvent_(event);
} finally {
pool.release();
CFRelease(hidEvent);
}
}
priv.previous = point;
if (isLastTouch) {
touch.release();
priv.touch = null;
}
}
}
}
Expand Down