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FairEmail/patches/selection-updated.patch

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2019-08-03 14:49:46 +00:00
diff --git a/app/src/main/java/androidx/recyclerview/selection/DefaultSelectionTracker.java b/app/src/main/java/androidx/recyclerview/selection/DefaultSelectionTracker.java
index 61985cf8d..709308482 100644
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--- a/app/src/main/java/androidx/recyclerview/selection/DefaultSelectionTracker.java
+++ b/app/src/main/java/androidx/recyclerview/selection/DefaultSelectionTracker.java
@@ -379,6 +379,10 @@ public class DefaultSelectionTracker<K> extends SelectionTracker<K> implements R
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return mRange != null;
}
+ boolean isOverlapping(int position, int count) {
+ return (mRange != null && mRange.isOverlapping(position, count));
+ }
+
private boolean canSetState(@NonNull K key, boolean nextState) {
return mSelectionPredicate.canSetStateForKey(key, nextState);
}
@@ -601,17 +605,21 @@ public class DefaultSelectionTracker<K> extends SelectionTracker<K> implements R
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@Override
public void onItemRangeInserted(int startPosition, int itemCount) {
- mSelectionTracker.endRange();
+ if (mSelectionTracker.isOverlapping(startPosition, itemCount))
+ mSelectionTracker.endRange();
}
@Override
public void onItemRangeRemoved(int startPosition, int itemCount) {
- mSelectionTracker.endRange();
+ if (mSelectionTracker.isOverlapping(startPosition, itemCount))
+ mSelectionTracker.endRange();
}
@Override
public void onItemRangeMoved(int fromPosition, int toPosition, int itemCount) {
- mSelectionTracker.endRange();
+ if (mSelectionTracker.isOverlapping(fromPosition, itemCount) ||
+ mSelectionTracker.isOverlapping(toPosition, itemCount))
+ mSelectionTracker.endRange();
}
}
}
diff --git a/app/src/main/java/androidx/recyclerview/selection/Range.java b/app/src/main/java/androidx/recyclerview/selection/Range.java
index 433e0d2cb..85ddeff94 100644
2019-08-03 14:49:46 +00:00
--- a/app/src/main/java/androidx/recyclerview/selection/Range.java
+++ b/app/src/main/java/androidx/recyclerview/selection/Range.java
@@ -169,6 +169,11 @@ final class Range {
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mCallbacks.updateForRange(begin, end, selected, type);
}
+ boolean isOverlapping(int position, int count) {
+ return (position >= mBegin && position <= mEnd) ||
+ (position + count >= mBegin && position + count <= mEnd);
+ }
+
@Override
public String toString() {
return "Range{begin=" + mBegin + ", end=" + mEnd + "}";