| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.documentsui.dirlist; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import android.support.v7.widget.RecyclerView; |
| import android.support.v7.widget.RecyclerView.AdapterDataObserver; |
| import android.view.ViewGroup; |
| |
| import com.android.documentsui.Model.Update; |
| import com.android.documentsui.base.EventListener; |
| import com.android.documentsui.selection.SelectionHelper; |
| import com.android.documentsui.testing.TestEventListener; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * A skeletal {@link DocumentsAdapter} test double. |
| */ |
| public class TestDocumentsAdapter extends DocumentsAdapter { |
| |
| final TestEventListener<Update> mModelListener = new TestEventListener<>(); |
| List<String> mModelIds = new ArrayList<>(); |
| private final AdapterDataObserver mAdapterObserver; |
| private final List<Integer> mSelectionChanged = new ArrayList<>(); |
| |
| public TestDocumentsAdapter(List<String> modelIds) { |
| mModelIds = modelIds; |
| |
| mAdapterObserver = new RecyclerView.AdapterDataObserver() { |
| |
| @Override |
| public void onChanged() { |
| } |
| |
| @Override |
| public void onItemRangeChanged(int startPosition, int itemCount, Object payload) { |
| if (SelectionHelper.SELECTION_CHANGED_MARKER.equals(payload)) { |
| int last = startPosition + itemCount; |
| for (int i = startPosition; i < last; i++) { |
| mSelectionChanged.add(i); |
| } |
| } |
| } |
| |
| @Override |
| public void onItemRangeInserted(int startPosition, int itemCount) { |
| } |
| |
| @Override |
| public void onItemRangeRemoved(int startPosition, int itemCount) { |
| } |
| |
| @Override |
| public void onItemRangeMoved(int fromPosition, int toPosition, int itemCount) { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| |
| registerAdapterDataObserver(mAdapterObserver); |
| } |
| |
| public void resetSelectionChanged() { |
| mSelectionChanged.clear(); |
| } |
| |
| public void assertSelectionChanged(int position) { |
| assertTrue(mSelectionChanged.contains(position)); |
| } |
| |
| @Override |
| EventListener<Update> getModelUpdateListener() { |
| return mModelListener; |
| } |
| |
| @Override |
| public List<String> getStableIds() { |
| return mModelIds; |
| } |
| |
| @Override |
| public int getPosition(String id) { |
| return mModelIds.indexOf(id); |
| } |
| |
| @Override |
| public String getStableId(int position) { |
| return mModelIds.get(position); |
| } |
| |
| @Override |
| public DocumentHolder onCreateViewHolder(ViewGroup parent, int viewType) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void onBindViewHolder(DocumentHolder holder, int position) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public int getAdapterPosition(String docId) { |
| return mModelIds.indexOf(docId); |
| } |
| |
| @Override |
| public int getItemCount() { |
| return mModelIds.size(); |
| } |
| |
| public void updateTestModelIds(List<String> modelIds) { |
| mModelIds = modelIds; |
| |
| notifyDataSetChanged(); |
| } |
| } |