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Bug 765156 - Fix NPE from getHandler() returning null for a detached view. r=mfinkle

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This commit is contained in:
Kartikaya Gupta 2012-08-13 22:56:27 -04:00
parent 07153819b1
commit a6904d07f1
1 changed files with 10 additions and 7 deletions
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17
mobile/android/base/PropertyAnimator.java
View File

@ -5,6 +5,7 @@
package org.mozilla.gecko;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
@ -141,18 +142,20 @@ public class PropertyAnimator extends TimerTask {
}
private void invalidate(final ElementHolder element, final int delta) {
View v = (element == null ? null : element.view);
if (v == null)
final View view = element.view;
Handler handler = view.getHandler();
if (handler == null)
return;
// Post the layout changes on the view's UI thread.
v.getHandler().post(new Runnable() {
handler.post(new Runnable() {
@Override
public void run() {
// Check if the element and view still exist
View view = (element == null ? null : element.view);
if (view == null)
return;
// check to see if the view was detached between the check above and this code
// getting run on the UI thread.
if (view.getHandler() == null)
return;
if (element.property == Property.SLIDE_TOP) {
view.scrollTo(view.getScrollX(), delta);