package androidx.recyclerview.widget; /* loaded from: classes2.dex */ public class BatchingListUpdateCallback implements ListUpdateCallback { private static final int TYPE_ADD = 1; private static final int TYPE_CHANGE = 3; private static final int TYPE_NONE = 0; private static final int TYPE_REMOVE = 2; final ListUpdateCallback mWrapped; int mLastEventType = 0; int mLastEventPosition = -1; int mLastEventCount = -1; Object mLastEventPayload = null; public BatchingListUpdateCallback(ListUpdateCallback listUpdateCallback) { this.mWrapped = listUpdateCallback; } public void dispatchLastEvent() { int i = this.mLastEventType; if (i == 0) { return; } if (i == 1) { this.mWrapped.onInserted(this.mLastEventPosition, this.mLastEventCount); } else if (i == 2) { this.mWrapped.onRemoved(this.mLastEventPosition, this.mLastEventCount); } else if (i == 3) { this.mWrapped.onChanged(this.mLastEventPosition, this.mLastEventCount, this.mLastEventPayload); } this.mLastEventPayload = null; this.mLastEventType = 0; } @Override // androidx.recyclerview.widget.ListUpdateCallback public void onInserted(int i, int i2) { int i3; if (this.mLastEventType == 1 && i >= (i3 = this.mLastEventPosition)) { int i4 = this.mLastEventCount; if (i <= i3 + i4) { this.mLastEventCount = i4 + i2; this.mLastEventPosition = Math.min(i, i3); return; } } dispatchLastEvent(); this.mLastEventPosition = i; this.mLastEventCount = i2; this.mLastEventType = 1; } @Override // androidx.recyclerview.widget.ListUpdateCallback public void onRemoved(int i, int i2) { int i3; if (this.mLastEventType == 2 && (i3 = this.mLastEventPosition) >= i && i3 <= i + i2) { this.mLastEventCount += i2; this.mLastEventPosition = i; } else { dispatchLastEvent(); this.mLastEventPosition = i; this.mLastEventCount = i2; this.mLastEventType = 2; } } @Override // androidx.recyclerview.widget.ListUpdateCallback public void onMoved(int i, int i2) { dispatchLastEvent(); this.mWrapped.onMoved(i, i2); } @Override // androidx.recyclerview.widget.ListUpdateCallback public void onChanged(int i, int i2, Object obj) { int i3; if (this.mLastEventType == 3) { int i4 = this.mLastEventPosition; int i5 = this.mLastEventCount; if (i <= i4 + i5 && (i3 = i + i2) >= i4 && this.mLastEventPayload == obj) { this.mLastEventPosition = Math.min(i, i4); this.mLastEventCount = Math.max(i5 + i4, i3) - this.mLastEventPosition; return; } } dispatchLastEvent(); this.mLastEventPosition = i; this.mLastEventCount = i2; this.mLastEventPayload = obj; this.mLastEventType = 3; } }