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Bug 730899 - Drop sending of scroll events where we don't actually scroll. r=Cwiiis

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This commit is contained in:
Kartikaya Gupta 2012-04-01 02:42:35 -04:00
parent 5f05f3a842
commit 28320eaad1
1 changed files with 3 additions and 0 deletions
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3
mobile/android/base/ui/PanZoomController.java
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@ -534,6 +534,9 @@ public class PanZoomController
mX.displace(); mX.displace();
mY.displace(); mY.displace();
PointF displacement = getDisplacement(); PointF displacement = getDisplacement();
if (FloatUtils.fuzzyEquals(displacement.x, 0.0f) && FloatUtils.fuzzyEquals(displacement.y, 0.0f)) {
return;
}
if (! mSubscroller.scrollBy(displacement)) { if (! mSubscroller.scrollBy(displacement)) {
synchronized (mController) { synchronized (mController) {
mController.scrollBy(displacement); mController.scrollBy(displacement);