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Bug 1047639 - Use the touch pointer id instead of the index when tracking up/downs. r=mwu

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This commit is contained in:
Kartikaya Gupta 2014-08-11 19:12:30 -04:00
parent 6c6f8f6743
commit 0ced44637e
1 changed files with 5 additions and 4 deletions
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9
widget/gonk/nsAppShell.cpp
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@ -731,11 +731,12 @@ GeckoInputDispatcher::dispatchOnce()
int32_t action = data.action & AMOTION_EVENT_ACTION_MASK;
int32_t index = data.action & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK;
index >>= AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
int32_t id = data.motion.touches[index].id;
switch (action) {
case AMOTION_EVENT_ACTION_DOWN:
case AMOTION_EVENT_ACTION_POINTER_DOWN:
if (!mTouchDown.hasBit(index)) {
mTouchDown.markBit(index);
if (!mTouchDown.hasBit(id)) {
mTouchDown.markBit(id);
mTouchDownCount++;
}
break;
@ -747,8 +748,8 @@ GeckoInputDispatcher::dispatchOnce()
case AMOTION_EVENT_ACTION_POINTER_UP:
case AMOTION_EVENT_ACTION_OUTSIDE:
case AMOTION_EVENT_ACTION_CANCEL:
if (mTouchDown.hasBit(index)) {
mTouchDown.clearBit(index);
if (mTouchDown.hasBit(id)) {
mTouchDown.clearBit(id);
mTouchDownCount--;
}
break;