1 /* 2 * Copyright 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package androidx.recyclerview.selection.testing; 18 19 import static org.junit.Assert.assertEquals; 20 21 import androidx.recyclerview.selection.FocusDelegate; 22 import androidx.recyclerview.selection.ItemDetailsLookup.ItemDetails; 23 import androidx.recyclerview.widget.RecyclerView; 24 25 public final class TestFocusDelegate<K> extends FocusDelegate<K> { 26 27 private K mFocusItemId; 28 private int mFocusPosition; 29 30 @Override clearFocus()31 public void clearFocus() { 32 mFocusPosition = RecyclerView.NO_POSITION; 33 mFocusItemId = null; 34 } 35 36 @Override focusItem(ItemDetails<K> item)37 public void focusItem(ItemDetails<K> item) { 38 mFocusItemId = item.getSelectionKey(); 39 mFocusPosition = item.getPosition(); 40 } 41 42 @Override getFocusedPosition()43 public int getFocusedPosition() { 44 return mFocusPosition; 45 } 46 47 @Override hasFocusedItem()48 public boolean hasFocusedItem() { 49 return mFocusItemId != null; 50 } 51 assertHasFocus(boolean focused)52 public void assertHasFocus(boolean focused) { 53 assertEquals(focused, hasFocusedItem()); 54 } 55 assertFocused(String expectedId)56 public void assertFocused(String expectedId) { 57 assertEquals(expectedId, mFocusItemId); 58 } 59 } 60