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.timer;
18 
19 import android.content.Context;
20 import android.content.res.Resources;
21 import android.graphics.Paint;
22 import android.graphics.Typeface;
23 import android.util.AttributeSet;
24 import android.widget.LinearLayout;
25 import android.widget.TextView;
26 
27 import com.android.deskclock.R;
28 
29 
30 public class TimerView extends LinearLayout {
31 
32     private TextView mHoursTens, mHoursOnes;
33     private TextView mMinutesTens, mMinutesOnes;
34     private TextView mSeconds;
35     private final Typeface mAndroidClockMonoThin;
36     private Typeface mOriginalHoursTypeface;
37     private Typeface mOriginalMinutesTypeface;
38     private final int mWhiteColor, mGrayColor;
39 
40     @SuppressWarnings("unused")
TimerView(Context context)41     public TimerView(Context context) {
42         this(context, null);
43     }
44 
TimerView(Context context, AttributeSet attrs)45     public TimerView(Context context, AttributeSet attrs) {
46         super(context, attrs);
47 
48         mAndroidClockMonoThin =
49                 Typeface.createFromAsset(context.getAssets(), "fonts/AndroidClockMono-Thin.ttf");
50 
51         final Resources resources = context.getResources();
52         mWhiteColor = resources.getColor(R.color.clock_white);
53         mGrayColor = resources.getColor(R.color.clock_gray);
54     }
55 
56     @Override
onFinishInflate()57     protected void onFinishInflate() {
58         super.onFinishInflate();
59 
60         mHoursTens = (TextView) findViewById(R.id.hours_tens);
61 
62         mHoursOnes = (TextView) findViewById(R.id.hours_ones);
63         mOriginalHoursTypeface = mHoursOnes.getTypeface();
64 
65         mMinutesTens = (TextView) findViewById(R.id.minutes_tens);
66         addStartPadding(mMinutesTens);
67 
68         mMinutesOnes = (TextView) findViewById(R.id.minutes_ones);
69         mOriginalMinutesTypeface = mMinutesOnes.getTypeface();
70 
71         mSeconds = (TextView) findViewById(R.id.seconds);
72         addStartPadding(mSeconds);
73     }
74 
75     /**
76      * Measure the text and add a start padding to the view
77      * @param textView view to measure and onb to which add start padding
78      */
addStartPadding(TextView textView)79     private void addStartPadding(TextView textView) {
80         final float gapPadding = 0.45f;
81         // allDigits will contain ten digits: "0123456789" in the default locale
82         String allDigits = String.format("%010d", 123456789);
83         Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
84         paint.setTextSize(textView.getTextSize());
85         paint.setTypeface(textView.getTypeface());
86 
87         float widths[] = new float[allDigits.length()];
88         int ll = paint.getTextWidths(allDigits, widths);
89         int largest = 0;
90         for (int ii = 1; ii < ll; ii++) {
91             if (widths[ii] > widths[largest]) {
92                 largest = ii;
93             }
94         }
95         // Add left padding to the view - Note: layout inherits LTR
96         textView.setPadding((int) (gapPadding * widths[largest]), 0, 0, 0);
97     }
98 
setTime(int hoursTensDigit, int hoursOnesDigit, int minutesTensDigit, int minutesOnesDigit, int seconds)99     public void setTime(int hoursTensDigit, int hoursOnesDigit, int minutesTensDigit,
100                         int minutesOnesDigit, int seconds) {
101         if (hoursTensDigit == -1) {
102             mHoursTens.setText("-");
103             mHoursTens.setTypeface(mAndroidClockMonoThin);
104             mHoursTens.setTextColor(mGrayColor);
105         } else {
106             mHoursTens.setText(String.valueOf(hoursTensDigit));
107             mHoursTens.setTypeface(mOriginalHoursTypeface);
108             mHoursTens.setTextColor(mWhiteColor);
109         }
110 
111         if (hoursOnesDigit == -1) {
112             mHoursOnes.setText("-");
113             mHoursOnes.setTypeface(mAndroidClockMonoThin);
114             mHoursOnes.setTextColor(mGrayColor);
115         } else {
116             mHoursOnes.setText(String.valueOf(hoursOnesDigit));
117             mHoursOnes.setTypeface(mOriginalHoursTypeface);
118             mHoursOnes.setTextColor(mWhiteColor);
119         }
120 
121         if (minutesTensDigit == -1) {
122             mMinutesTens.setText("-");
123             mMinutesTens.setTypeface(mAndroidClockMonoThin);
124             mMinutesTens.setTextColor(mGrayColor);
125         } else {
126             mMinutesTens.setText(String.valueOf(minutesTensDigit));
127             mMinutesTens.setTypeface(mOriginalMinutesTypeface);
128             mMinutesTens.setTextColor(mWhiteColor);
129         }
130 
131         if (minutesOnesDigit == -1) {
132             mMinutesOnes.setText("-");
133             mMinutesOnes.setTypeface(mAndroidClockMonoThin);
134             mMinutesOnes.setTextColor(mGrayColor);
135         } else {
136             mMinutesOnes.setText(String.valueOf(minutesOnesDigit));
137             mMinutesOnes.setTypeface(mOriginalMinutesTypeface);
138             mMinutesOnes.setTextColor(mWhiteColor);
139         }
140 
141         mSeconds.setText(String.format("%02d", seconds));
142     }
143 }
144