xref: /frameworks/support/design/tests/src/android/support/design/testutils/CoordinatorLayoutUtils.java

/*
 * Copyright (C) 2016 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 android.support.design.testutils;

import android.support.design.widget.CoordinatorLayout;
import android.view.View;

public class CoordinatorLayoutUtils {

    public static class DependentBehavior extends CoordinatorLayout.Behavior<View> {
        private final View mDependency;

        public DependentBehavior(View dependency) {
            mDependency = dependency;
        }

        @Override
        public boolean layoutDependsOn(CoordinatorLayout parent, View child, View dependency) {
            return mDependency != null && dependency == mDependency;
        }
    }

}