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
17package com.android.deskclock.stopwatch;
18
19import android.content.Context;
20
21import com.android.deskclock.R;
22
23import java.text.DecimalFormatSymbols;
24
25/**
26 * Stopwatch utility class providing access to stopwatch resources and data formatting strings of
27 * stopwatch data.
28 */
29public 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     */
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     */
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     */
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     */
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     */
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