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1 /*
2  * Copyright (C) 2012 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.deskclock.stopwatch;
18 
19 import android.content.Context;
20 
21 import com.android.deskclock.R;
22 
23 import java.text.DecimalFormatSymbols;
24 
25 /**
26  * Stopwatch utility class providing access to stopwatch resources and data formatting strings of
27  * stopwatch data.
28  */
29 public class Stopwatches {
30     // Actions processed by stopwatch receiver
31     public static final String SHARE_STOPWATCH = "share_stopwatch";
32     public static final String RESET_AND_LAUNCH_STOPWATCH = "reset_and_launch_stopwatch";
33     public static final String MESSAGE_TIME = "message_time";
34     public static final String SHOW_NOTIF = "show_notification";
35     public static final String KILL_NOTIF = "kill_notification";
36     public static final String PREF_START_TIME  = "sw_start_time";
37     public static final String PREF_ACCUM_TIME = "sw_accum_time";
38     public static final String PREF_STATE = "sw_state";
39     public static final String PREF_LAP_NUM = "sw_lap_num";
40     public static final String PREF_LAP_TIME = "sw_lap_time_";
41     public static final String PREF_UPDATE_CIRCLE = "sw_update_circle";
42     public static final String NOTIF_CLOCK_BASE = "notif_clock_base";
43     public static final String NOTIF_CLOCK_ELAPSED = "notif_clock_elapsed";
44     public static final String NOTIF_CLOCK_RUNNING = "notif_clock_running";
45     public static final String KEY = "sw";
46 
47     public static final int STOPWATCH_RESET = 0;
48     public static final int STOPWATCH_RUNNING = 1;
49     public static final int STOPWATCH_STOPPED = 2;
50 
51     public static final int MAX_LAPS = 99;
52     public static final int NO_LAP_NUMBER = -1;
53 
54     /**
55      * Pull a random jocular title
56      * @param context context with resources
57      * @return the random title
58      */
getShareTitle(Context context)59     public static String getShareTitle(Context context) {
60         String [] mLabels = context.getResources().getStringArray(R.array.sw_share_strings);
61         return mLabels[(int)(Math.random() * mLabels.length)];
62     }
63 
64     /**
65      * Create a multi-line text with the stopwatch lap data
66      * @param context context with resources
67      * @param time total elapsed time
68      * @param laps array of times
69      * @return formatted text
70      */
buildShareResults(Context context, String time, long[] laps)71     public static String buildShareResults(Context context, String time, long[] laps) {
72         StringBuilder b = new StringBuilder (context.getString(R.string.sw_share_main, time));
73         b.append("\n");
74 
75         int lapsNum = laps == null? 0 : laps.length;
76         if (lapsNum == 0) {
77             return b.toString();
78         }
79 
80         b.append(context.getString(R.string.sw_share_laps));
81         b.append("\n");
82         for (int i = 1; i <= lapsNum; i ++) {
83             b.append(getTimeText(context, laps[lapsNum-i], i));
84             b.append("\n");
85         }
86         return b.toString();
87     }
88 
89     /**
90      * Create a multi-line text with the stopwatch lap data
91      * @param context context with resources
92      * @param time total elapsed time
93      * @param laps array of times
94      * @return formatted text
95      */
buildShareResults(Context context, long time, long[] laps)96     public static String buildShareResults(Context context, long time, long[] laps) {
97         return buildShareResults(context, getTimeText(context, time, NO_LAP_NUMBER), laps);
98     }
99 
100     /***
101      * Format the string of the time running on the stopwatch up to hundred of a second accuracy
102      * @param context context with resources
103      * @param time - in hundreds of a second since the stopwatch started
104      * @param lap lap number
105      * @return formatted text
106      */
getTimeText(Context context, long time, int lap)107     public static String getTimeText(Context context, long time, int lap) {
108         if (time < 0) {
109             time = 0;
110         }
111         String[] formats;
112         if (lap != NO_LAP_NUMBER) {
113             formats = context.getResources().getStringArray(R.array.shared_laps_format_set);
114         } else {
115             formats = context.getResources().getStringArray(R.array.stopwatch_format_set);
116         }
117         char decimalSeparator = DecimalFormatSymbols.getInstance().getDecimalSeparator();
118         int formatIndex;
119 
120         long hundreds, seconds, minutes, hours;
121         seconds = time / 1000;
122         hundreds = (time - seconds * 1000) / 10;
123         minutes = seconds / 60;
124         seconds = seconds - minutes * 60;
125         hours = minutes / 60;
126         minutes = minutes - hours * 60;
127         if (hours >= 100) {
128           formatIndex = 4;
129         } else if (hours >= 10) {
130             formatIndex = 3;
131         } else if (hours > 0) {
132           formatIndex = 2;
133         } else if (minutes >= 10) {
134           formatIndex = 1;
135         } else {
136           formatIndex = 0;
137         }
138         return String.format(formats[formatIndex], hours, minutes,
139                 seconds, hundreds, decimalSeparator, lap);
140     }
141 
142     /***
143      * Sets the string of the time running on the stopwatch up to hundred of a second accuracy
144      * @param time - in hundreds of a second since the stopwatch started
145      */
formatTimeText(long time, final String format)146     public static String formatTimeText(long time, final String format) {
147         if (time < 0) {
148             time = 0;
149         }
150         long hundreds, seconds, minutes, hours;
151         seconds = time / 1000;
152         hundreds = (time - seconds * 1000) / 10;
153         minutes = seconds / 60;
154         seconds = seconds - minutes * 60;
155         hours = minutes / 60;
156         minutes = minutes - hours * 60;
157         char decimalSeparator = DecimalFormatSymbols.getInstance().getDecimalSeparator();
158         return String.format(format, hours, minutes, seconds, hundreds, decimalSeparator);
159     }
160 }
161