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 START_STOPWATCH = "start_stopwatch";
32     public static final String LAP_STOPWATCH = "lap_stopwatch";
33     public static final String STOP_STOPWATCH = "stop_stopwatch";
34     public static final String RESET_STOPWATCH = "reset_stopwatch";
35     public static final String SHARE_STOPWATCH = "share_stopwatch";
36     public static final String RESET_AND_LAUNCH_STOPWATCH = "reset_and_launch_stopwatch";
37     public static final String MESSAGE_TIME = "message_time";
38     public static final String SHOW_NOTIF = "show_notification";
39     public static final String KILL_NOTIF = "kill_notification";
40     public static final String PREF_START_TIME  = "sw_start_time";
41     public static final String PREF_ACCUM_TIME = "sw_accum_time";
42     public static final String PREF_STATE = "sw_state";
43     public static final String PREF_LAP_NUM = "sw_lap_num";
44     public static final String PREF_LAP_TIME = "sw_lap_time_";
45     public static final String PREF_UPDATE_CIRCLE = "sw_update_circle";
46     public static final String NOTIF_CLOCK_BASE = "notif_clock_base";
47     public static final String NOTIF_CLOCK_ELAPSED = "notif_clock_elapsed";
48     public static final String NOTIF_CLOCK_RUNNING = "notif_clock_running";
49     public static final String KEY = "sw";
50 
51     public static final int STOPWATCH_RESET = 0;
52     public static final int STOPWATCH_RUNNING = 1;
53     public static final int STOPWATCH_STOPPED = 2;
54 
55     public static final int MAX_LAPS = 99;
56     public static final int NO_LAP_NUMBER = -1;
57 
58     /**
59      * Pull a random jocular title
60      * @param context context with resources
61      * @return the random title
62      */
getShareTitle(Context context)63     public static String getShareTitle(Context context) {
64         String [] mLabels = context.getResources().getStringArray(R.array.sw_share_strings);
65         return mLabels[(int)(Math.random() * mLabels.length)];
66     }
67 
68     /**
69      * Create a multi-line text with the stopwatch lap data
70      * @param context context with resources
71      * @param time total elapsed time
72      * @param laps array of times
73      * @return formatted text
74      */
buildShareResults(Context context, String time, long[] laps)75     public static String buildShareResults(Context context, String time, long[] laps) {
76         StringBuilder b = new StringBuilder (context.getString(R.string.sw_share_main, time));
77         b.append("\n");
78 
79         int lapsNum = laps == null? 0 : laps.length;
80         if (lapsNum == 0) {
81             return b.toString();
82         }
83 
84         b.append(context.getString(R.string.sw_share_laps));
85         b.append("\n");
86         for (int i = 1; i <= lapsNum; i ++) {
87             b.append(getTimeText(context, laps[lapsNum-i], i));
88             b.append("\n");
89         }
90         return b.toString();
91     }
92 
93     /**
94      * Create a multi-line text with the stopwatch lap data
95      * @param context context with resources
96      * @param time total elapsed time
97      * @param laps array of times
98      * @return formatted text
99      */
buildShareResults(Context context, long time, long[] laps)100     public static String buildShareResults(Context context, long time, long[] laps) {
101         return buildShareResults(context, getTimeText(context, time, NO_LAP_NUMBER), laps);
102     }
103 
104     /***
105      * Format the string of the time running on the stopwatch up to hundred of a second accuracy
106      * @param context context with resources
107      * @param time - in hundreds of a second since the stopwatch started
108      * @param lap lap number
109      * @return formatted text
110      */
getTimeText(Context context, long time, int lap)111     public static String getTimeText(Context context, long time, int lap) {
112         if (time < 0) {
113             time = 0;
114         }
115         String[] formats;
116         if (lap != NO_LAP_NUMBER) {
117             formats = context.getResources().getStringArray(R.array.shared_laps_format_set);
118         } else {
119             formats = context.getResources().getStringArray(R.array.stopwatch_format_set);
120         }
121         char decimalSeparator = DecimalFormatSymbols.getInstance().getDecimalSeparator();
122         int formatIndex;
123 
124         long hundreds, seconds, minutes, hours;
125         seconds = time / 1000;
126         hundreds = (time - seconds * 1000) / 10;
127         minutes = seconds / 60;
128         seconds = seconds - minutes * 60;
129         hours = minutes / 60;
130         minutes = minutes - hours * 60;
131         if (hours >= 100) {
132           formatIndex = 4;
133         } else if (hours >= 10) {
134             formatIndex = 3;
135         } else if (hours > 0) {
136           formatIndex = 2;
137         } else if (minutes >= 10) {
138           formatIndex = 1;
139         } else {
140           formatIndex = 0;
141         }
142         return String.format(formats[formatIndex], hours, minutes,
143                 seconds, hundreds, decimalSeparator, lap);
144     }
145 
146     /***
147      * Sets the string of the time running on the stopwatch up to hundred of a second accuracy
148      * @param time - in hundreds of a second since the stopwatch started
149      */
formatTimeText(long time, final String format)150     public static String formatTimeText(long time, final String format) {
151         if (time < 0) {
152             time = 0;
153         }
154         long hundreds, seconds, minutes, hours;
155         seconds = time / 1000;
156         hundreds = (time - seconds * 1000) / 10;
157         minutes = seconds / 60;
158         seconds = seconds - minutes * 60;
159         hours = minutes / 60;
160         minutes = minutes - hours * 60;
161         char decimalSeparator = DecimalFormatSymbols.getInstance().getDecimalSeparator();
162         return String.format(format, hours, minutes, seconds, hundreds, decimalSeparator);
163     }
164 }
165