1 /*
2  * Copyright (C) 2016 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.calculator2;
18 
19 import android.text.Spannable;
20 import android.text.format.DateUtils;
21 
22 public class HistoryItem {
23 
24     private long mEvaluatorIndex;
25     /** Date in millis */
26     private long mTimeInMillis;
27     private Spannable mFormula;
28 
29     /** This is true only for the "empty history" view. */
30     private final boolean mIsEmpty;
31 
HistoryItem(long evaluatorIndex, long millis, Spannable formula)32     public HistoryItem(long evaluatorIndex, long millis, Spannable formula) {
33         mEvaluatorIndex = evaluatorIndex;
34         mTimeInMillis = millis;
35         mFormula = formula;
36         mIsEmpty = false;
37     }
38 
getEvaluatorIndex()39     public long getEvaluatorIndex() {
40         return mEvaluatorIndex;
41     }
42 
HistoryItem()43     public HistoryItem() {
44         mIsEmpty = true;
45     }
46 
isEmptyView()47     public boolean isEmptyView() {
48         return mIsEmpty;
49     }
50 
51     /**
52      * @return String in format "n days ago"
53      * For n > 7, the date is returned.
54      */
getDateString()55     public CharSequence getDateString() {
56         return DateUtils.getRelativeTimeSpanString(mTimeInMillis, System.currentTimeMillis(),
57                 DateUtils.DAY_IN_MILLIS, DateUtils.FORMAT_ABBREV_RELATIVE);
58     }
59 
getTimeInMillis()60     public long getTimeInMillis() {
61         return mTimeInMillis;
62     }
63 
getFormula()64     public Spannable getFormula() {
65         return mFormula;
66     }
67 }