Robert Snoeberger | 046ee9c | 2019-01-10 18:29:38 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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 | package com.android.keyguard.clock; |
| 17 | |
| 18 | import android.content.Context; |
| 19 | import android.text.format.DateFormat; |
| 20 | import android.util.AttributeSet; |
| 21 | import android.widget.FrameLayout; |
| 22 | import android.widget.ImageView; |
| 23 | |
| 24 | import com.android.keyguard.R; |
| 25 | |
| 26 | import java.text.SimpleDateFormat; |
| 27 | import java.util.Calendar; |
| 28 | import java.util.TimeZone; |
| 29 | |
| 30 | /** |
| 31 | * Clock composed of two images that rotate with the time. |
| 32 | * |
| 33 | * The images are the clock hands. ImageClock expects two child ImageViews |
| 34 | * with ids hour_hand and minute_hand. |
| 35 | */ |
| 36 | public class ImageClock extends FrameLayout { |
| 37 | |
| 38 | private ImageView mHourHand; |
| 39 | private ImageView mMinuteHand; |
Robert Snoeberger | 71e5079 | 2019-02-15 15:48:01 -0500 | [diff] [blame] | 40 | private final Calendar mTime = Calendar.getInstance(TimeZone.getDefault()); |
Robert Snoeberger | 046ee9c | 2019-01-10 18:29:38 -0500 | [diff] [blame] | 41 | private String mDescFormat; |
| 42 | private TimeZone mTimeZone; |
| 43 | |
| 44 | public ImageClock(Context context) { |
| 45 | this(context, null); |
| 46 | } |
| 47 | |
| 48 | public ImageClock(Context context, AttributeSet attrs) { |
| 49 | this(context, attrs, 0); |
| 50 | } |
| 51 | |
| 52 | public ImageClock(Context context, AttributeSet attrs, int defStyleAttr) { |
| 53 | super(context, attrs, defStyleAttr); |
Robert Snoeberger | 046ee9c | 2019-01-10 18:29:38 -0500 | [diff] [blame] | 54 | mDescFormat = ((SimpleDateFormat) DateFormat.getTimeFormat(context)).toLocalizedPattern(); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Call when the time changes to update the rotation of the clock hands. |
| 59 | */ |
| 60 | public void onTimeChanged() { |
| 61 | mTime.setTimeInMillis(System.currentTimeMillis()); |
Robert Snoeberger | 09c6d49 | 2019-03-08 16:57:40 -0500 | [diff] [blame] | 62 | final float hourAngle = mTime.get(Calendar.HOUR) * 30f + mTime.get(Calendar.MINUTE) * 0.5f; |
Robert Snoeberger | 046ee9c | 2019-01-10 18:29:38 -0500 | [diff] [blame] | 63 | mHourHand.setRotation(hourAngle); |
| 64 | final float minuteAngle = mTime.get(Calendar.MINUTE) * 6f; |
| 65 | mMinuteHand.setRotation(minuteAngle); |
| 66 | setContentDescription(DateFormat.format(mDescFormat, mTime)); |
| 67 | invalidate(); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Call when the time zone has changed to update clock hands. |
| 72 | * |
| 73 | * @param timeZone The updated time zone that will be used. |
| 74 | */ |
| 75 | public void onTimeZoneChanged(TimeZone timeZone) { |
| 76 | mTimeZone = timeZone; |
| 77 | mTime.setTimeZone(timeZone); |
| 78 | } |
| 79 | |
Robert Snoeberger | 0397c84 | 2019-02-07 14:25:46 -0500 | [diff] [blame] | 80 | /** |
| 81 | * Sets the colors to use on the clock face. |
| 82 | * @param dark Darker color obtained from color palette. |
| 83 | * @param light Lighter color obtained from color palette. |
| 84 | */ |
| 85 | public void setClockColors(int dark, int light) { |
| 86 | mHourHand.setColorFilter(dark); |
| 87 | mMinuteHand.setColorFilter(light); |
| 88 | } |
| 89 | |
Robert Snoeberger | 046ee9c | 2019-01-10 18:29:38 -0500 | [diff] [blame] | 90 | @Override |
| 91 | protected void onFinishInflate() { |
| 92 | super.onFinishInflate(); |
| 93 | mHourHand = findViewById(R.id.hour_hand); |
| 94 | mMinuteHand = findViewById(R.id.minute_hand); |
| 95 | } |
| 96 | |
| 97 | @Override |
| 98 | protected void onAttachedToWindow() { |
| 99 | super.onAttachedToWindow(); |
Robert Snoeberger | 71e5079 | 2019-02-15 15:48:01 -0500 | [diff] [blame] | 100 | mTime.setTimeZone(mTimeZone != null ? mTimeZone : TimeZone.getDefault()); |
Robert Snoeberger | 046ee9c | 2019-01-10 18:29:38 -0500 | [diff] [blame] | 101 | onTimeChanged(); |
| 102 | } |
| 103 | } |