1 /*
2  * Copyright (C) 2015 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 
17 package com.android.tv.settings.device.storage;
18 
19 import android.content.Context;
20 import android.support.annotation.Keep;
21 import android.support.v7.preference.Preference;
22 import android.text.format.Formatter;
23 import android.util.AttributeSet;
24 
25 import com.android.tv.settings.R;
26 import com.android.tv.settings.device.StorageResetFragment;
27 
28 public class StoragePreference extends Preference {
29 
30     private static final long SIZE_CALCULATING = -1;
31 
StoragePreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)32     public StoragePreference(Context context, AttributeSet attrs,
33             int defStyleAttr, int defStyleRes) {
34         super(context, attrs, defStyleAttr, defStyleRes);
35         setSize(SIZE_CALCULATING);
36     }
37 
StoragePreference(Context context, AttributeSet attrs, int defStyleAttr)38     public StoragePreference(Context context, AttributeSet attrs,
39             int defStyleAttr) {
40         super(context, attrs, defStyleAttr);
41         setSize(SIZE_CALCULATING);
42     }
43 
StoragePreference(Context context, AttributeSet attrs)44     public StoragePreference(Context context, AttributeSet attrs) {
45         super(context, attrs);
46         setSize(SIZE_CALCULATING);
47     }
48 
StoragePreference(Context context)49     public StoragePreference(Context context) {
50         super(context);
51         setSize(SIZE_CALCULATING);
52     }
53 
setSize(long size)54     public void setSize(long size) {
55         setSummary(formatSize(getContext(), size));
56     }
57 
formatSize(Context context, long size)58     public static String formatSize(Context context, long size) {
59         return (size == SIZE_CALCULATING)
60                 ? context.getString(R.string.storage_calculating_size)
61                 : Formatter.formatShortFileSize(context, size);
62     }
63 }
64