57 lines
1.8 KiB
Java
57 lines
1.8 KiB
Java
/*
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* Copyright (C) 2015 takahirom
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.github.dfa.diaspora_android.ui;
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import android.content.Context;
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import android.support.design.widget.AppBarLayout;
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import android.support.design.widget.CoordinatorLayout;
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import android.util.AttributeSet;
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import android.view.View;
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import android.widget.LinearLayout;
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/**
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* Behaviour of the bottom Toolbar
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* WARNING: This class is NOT UNUSED
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*/
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@SuppressWarnings("unused")
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public class BottomBarBehavior extends CoordinatorLayout.Behavior<LinearLayout> {
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private int defaultDependencyTop = -1;
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public BottomBarBehavior(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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public boolean layoutDependsOn(CoordinatorLayout parent, LinearLayout child, View dependency) {
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return dependency instanceof AppBarLayout;
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}
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@Override
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public boolean onDependentViewChanged(CoordinatorLayout parent, LinearLayout child, View dependency) {
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if (defaultDependencyTop == -1) {
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defaultDependencyTop = dependency.getTop();
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}
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if (dependency.getTop() < 0)
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child.setTranslationY(-dependency.getTop() + defaultDependencyTop);
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else
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child.setTranslationY(defaultDependencyTop);
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return true;
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}
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} |