1/*
2 * Copyright (C) 2013 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 com.android.documentsui;
18
19import android.content.Context;
20import android.util.AttributeSet;
21import android.widget.FrameLayout;
22
23public class DirectoryView extends FrameLayout {
24    private float mPosition = 0f;
25
26    private int mWidth;
27
28    public DirectoryView(Context context) {
29        super(context);
30    }
31
32    public DirectoryView(Context context, AttributeSet attrs) {
33        super(context, attrs);
34    }
35
36    @Override
37    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
38        super.onSizeChanged(w, h, oldw, oldh);
39        mWidth = w;
40        setPosition(mPosition);
41    }
42
43    public float getPosition() {
44        return mPosition;
45    }
46
47    public void setPosition(float position) {
48        mPosition = position;
49        setX((mWidth > 0) ? (mPosition * mWidth) : 0);
50
51        if (mPosition != 0) {
52            setTranslationZ(getResources().getDimensionPixelSize(R.dimen.dir_elevation));
53        } else {
54            setTranslationZ(0);
55        }
56    }
57}
58