| /* |
| * 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 com.android.deskclock.widget.toast; |
| |
| import android.content.Context; |
| import android.support.annotation.Keep; |
| import android.support.design.widget.CoordinatorLayout; |
| import android.support.design.widget.Snackbar; |
| import android.util.AttributeSet; |
| import android.view.View; |
| |
| /** |
| * Custom {@link CoordinatorLayout.Behavior} that slides with the {@link Snackbar}. |
| */ |
| @Keep |
| public final class SnackbarSlidingBehavior extends CoordinatorLayout.Behavior<View> { |
| |
| public SnackbarSlidingBehavior(Context context, AttributeSet attrs) { |
| } |
| |
| @Override |
| public boolean layoutDependsOn(CoordinatorLayout parent, View child, View dependency) { |
| return dependency instanceof Snackbar.SnackbarLayout; |
| } |
| |
| @Override |
| public boolean onDependentViewChanged(CoordinatorLayout parent, View child, View dependency) { |
| updateTranslationY(parent, child); |
| return false; |
| } |
| |
| @Override |
| public void onDependentViewRemoved(CoordinatorLayout parent, View child, View dependency) { |
| updateTranslationY(parent, child); |
| } |
| |
| @Override |
| public boolean onLayoutChild(CoordinatorLayout parent, View child, int layoutDirection) { |
| updateTranslationY(parent, child); |
| return false; |
| } |
| |
| private void updateTranslationY(CoordinatorLayout parent, View child) { |
| float translationY = 0f; |
| for (View dependency : parent.getDependencies(child)) { |
| translationY = Math.min(translationY, dependency.getY() - child.getBottom()); |
| } |
| child.setTranslationY(translationY); |
| } |
| } |