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Merge "Discard prefetched disconnected predecessors of a virtual node." into nyc-dev

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Svetoslav Ganov
2016-02-20 00:32:56 +00:00
committed by Android (Google) Code Review
parent 1fd5f379d7 75e5816102
commit 3c3e271447
1 changed files with 7 additions and 0 deletions
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7
core/java/android/view/AccessibilityInteractionController.java
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@@ -1053,6 +1053,7 @@ final class AccessibilityInteractionController {
private void prefetchPredecessorsOfVirtualNode(AccessibilityNodeInfo root,
View providerHost, AccessibilityNodeProvider provider,
List<AccessibilityNodeInfo> outInfos) {
final int initialResultSize = outInfos.size();
long parentNodeId = root.getParentNodeId();
int accessibilityViewId = AccessibilityNodeInfo.getAccessibilityViewId(parentNodeId);
while (accessibilityViewId != AccessibilityNodeInfo.UNDEFINED_ITEM_ID) {
@@ -1071,6 +1072,12 @@ final class AccessibilityInteractionController {
AccessibilityNodeProvider.HOST_VIEW_ID);
}
if (parent == null) {
// Going up the parent relation we found a null predecessor,
// so remove these disconnected nodes form the result.
final int currentResultSize = outInfos.size();
for (int i = currentResultSize - 1; i >= initialResultSize; i--) {
outInfos.remove(i);
}
// Couldn't obtain the parent, which means we have a
// disconnected sub-tree. Abort prefetch immediately.
return;