/* * Copyright (C) 2013 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.documentsui; import android.content.Context; import android.util.AttributeSet; import android.widget.FrameLayout; public class DirectoryView extends FrameLayout { private float mPosition = 0f; private int mWidth; public DirectoryView(Context context) { super(context); } public DirectoryView(Context context, AttributeSet attrs) { super(context, attrs); } @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); mWidth = w; setPosition(mPosition); } public float getPosition() { return mPosition; } public void setPosition(float position) { mPosition = position; setX((mWidth > 0) ? (mPosition * mWidth) : 0); if (mPosition != 0) { setTranslationZ(getResources().getDimensionPixelSize(R.dimen.dir_elevation)); } else { setTranslationZ(0); } } }