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 mHoursOnes, mMinutesOnes;
33     private TextView mMinutesTens;
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         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         mHoursOnes = (TextView) findViewById(R.id.hours_ones);
61         if (mHoursOnes != null) {
62             mOriginalHoursTypeface = mHoursOnes.getTypeface();
63         }
64         mMinutesTens = (TextView) findViewById(R.id.minutes_tens);
65         if (mHoursOnes != null && mMinutesTens != null) {
66             addStartPadding(mMinutesTens);
67         }
68         mMinutesOnes = (TextView) findViewById(R.id.minutes_ones);
69         if (mMinutesOnes != null) {
70             mOriginalMinutesTypeface = mMinutesOnes.getTypeface();
71         }
72         mSeconds = (TextView) findViewById(R.id.seconds);
73         if (mSeconds != null) {
74             addStartPadding(mSeconds);
75         }
76     }
77 
78     /**
79      * Measure the text and add a start padding to the view
80      * @param textView view to measure and onb to which add start padding
81      */
addStartPadding(TextView textView)82     private void addStartPadding(TextView textView) {
83         final float gapPadding = 0.45f;
84         // allDigits will contain ten digits: "0123456789" in the default locale
85         String allDigits = String.format("%010d", 123456789);
86         Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
87         paint.setTextSize(textView.getTextSize());
88         paint.setTypeface(textView.getTypeface());
89 
90         float widths[] = new float[allDigits.length()];
91         int ll = paint.getTextWidths(allDigits, widths);
92         int largest = 0;
93         for (int ii = 1; ii < ll; ii++) {
94             if (widths[ii] > widths[largest]) {
95                 largest = ii;
96             }
97         }
98         // Add left padding to the view - Note: layout inherits LTR
99         textView.setPadding((int) (gapPadding * widths[largest]), 0, 0, 0);
100     }
101 
102 
setTime(int hoursOnesDigit, int minutesTensDigit, int minutesOnesDigit, int seconds)103     public void setTime(int hoursOnesDigit, int minutesTensDigit,
104                         int minutesOnesDigit, int seconds) {
105         if (mHoursOnes != null) {
106             if (hoursOnesDigit == -1) {
107                 mHoursOnes.setText("-");
108                 mHoursOnes.setTypeface(mAndroidClockMonoThin);
109                 mHoursOnes.setTextColor(mGrayColor);
110             } else {
111                 mHoursOnes.setText(String.format("%d", hoursOnesDigit));
112                 mHoursOnes.setTypeface(mOriginalHoursTypeface);
113                 mHoursOnes.setTextColor(mWhiteColor);
114             }
115         }
116 
117         if (mMinutesTens != null) {
118             if (minutesTensDigit == -1) {
119                 mMinutesTens.setText("-");
120                 mMinutesTens.setTypeface(mAndroidClockMonoThin);
121                 mMinutesTens.setTextColor(mGrayColor);
122             } else {
123                 mMinutesTens.setText(String.format("%d", minutesTensDigit));
124                 mMinutesTens.setTypeface(mOriginalMinutesTypeface);
125                 mMinutesTens.setTextColor(mWhiteColor);
126             }
127         }
128         if (mMinutesOnes != null) {
129             if (minutesOnesDigit == -1) {
130                 mMinutesOnes.setText("-");
131                 mMinutesOnes.setTypeface(mAndroidClockMonoThin);
132                 mMinutesOnes.setTextColor(mGrayColor);
133             } else {
134                 mMinutesOnes.setText(String.format("%d", minutesOnesDigit));
135                 mMinutesOnes.setTypeface(mOriginalMinutesTypeface);
136                 mMinutesOnes.setTextColor(mWhiteColor);
137             }
138         }
139 
140         if (mSeconds != null) {
141             mSeconds.setText(String.format("%02d", seconds));
142         }
143     }
144 }
145