1/* 2 * Copyright (C) 2016 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 17package android.support.design.testutils; 18 19import android.support.design.widget.AppBarLayout; 20 21import org.hamcrest.Description; 22import org.hamcrest.Matcher; 23import org.hamcrest.TypeSafeMatcher; 24 25public class AppBarLayoutMatchers { 26 27 /** 28 * Returns a matcher that matches AppBarLayouts which are collapsed. 29 */ 30 public static Matcher isCollapsed() { 31 return new TypeSafeMatcher<AppBarLayout>() { 32 @Override 33 public void describeTo(Description description) { 34 description.appendText("AppBarLayout is collapsed"); 35 } 36 37 @Override 38 protected boolean matchesSafely(AppBarLayout item) { 39 return item.getBottom() == (item.getHeight() - item.getTotalScrollRange()); 40 } 41 }; 42 } 43 44} 45