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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.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")
     41     public TimerView(Context context) {
     42         this(context, null);
     43     }
     44 
     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
     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      */
     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 
     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