public void update(int index, int count) {
for (int i = 0; i < count; i++) {
mItems.get(index + i).update();
}
mAdapterHelper.addUpdateOp(
new AdapterHelper.UpdateOp(AdapterHelper.UpdateOp.UPDATE, index, count));
}
public void remove(int index, int count) {
for (int i = 0; i < count; i++) {
mItems.remove(index);
}
mAdapterHelper.addUpdateOp(
new AdapterHelper.UpdateOp(AdapterHelper.UpdateOp.REMOVE, index, count));
}
public void add(int index, int count) {
for (int i = 0; i < count; i++) {
Item item = new Item();
mPendingAdded.add(item);
mItems.add(index + i, item);
}
mAdapterHelper.addUpdateOp(
new AdapterHelper.UpdateOp(AdapterHelper.UpdateOp.ADD, index, count));
}
public void move(int from, int to) {
mItems.add(to, mItems.remove(from));
mAdapterHelper.addUpdateOp(new AdapterHelper.UpdateOp(AdapterHelper.UpdateOp.MOVE, from, to));
}