| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.internal.widget; |
| |
| import com.android.internal.R; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.res.AssetManager; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.graphics.Typeface; |
| import android.os.Handler; |
| import android.provider.Settings; |
| import android.text.format.DateFormat; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.widget.RelativeLayout; |
| import android.widget.TextView; |
| |
| import java.text.DateFormatSymbols; |
| import java.util.Calendar; |
| |
| /** |
| * Displays the time |
| */ |
| public class DigitalClock extends RelativeLayout { |
| |
| private static final String SYSTEM = "/system/fonts/"; |
| private static final String SYSTEM_FONT_TIME_BACKGROUND = SYSTEM + "AndroidClock.ttf"; |
| private static final String SYSTEM_FONT_TIME_FOREGROUND = SYSTEM + "AndroidClock_Highlight.ttf"; |
| private final static String M12 = "h:mm"; |
| private final static String M24 = "kk:mm"; |
| |
| private Calendar mCalendar; |
| private String mFormat; |
| private TextView mTimeDisplayBackground; |
| private TextView mTimeDisplayForeground; |
| private AmPm mAmPm; |
| private ContentObserver mFormatChangeObserver; |
| private boolean mLive = true; |
| private boolean mAttached; |
| |
| /* called by system on minute ticks */ |
| private final Handler mHandler = new Handler(); |
| private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (mLive && intent.getAction().equals( |
| Intent.ACTION_TIMEZONE_CHANGED)) { |
| mCalendar = Calendar.getInstance(); |
| } |
| // Post a runnable to avoid blocking the broadcast. |
| mHandler.post(new Runnable() { |
| public void run() { |
| updateTime(); |
| } |
| }); |
| } |
| }; |
| |
| static class AmPm { |
| private TextView mAmPm; |
| private String mAmString, mPmString; |
| |
| AmPm(View parent, Typeface tf) { |
| mAmPm = (TextView) parent.findViewById(R.id.am_pm); |
| if (tf != null) { |
| mAmPm.setTypeface(tf); |
| } |
| |
| String[] ampm = new DateFormatSymbols().getAmPmStrings(); |
| mAmString = ampm[0]; |
| mPmString = ampm[1]; |
| } |
| |
| void setShowAmPm(boolean show) { |
| mAmPm.setVisibility(show ? View.VISIBLE : View.GONE); |
| } |
| |
| void setIsMorning(boolean isMorning) { |
| mAmPm.setText(isMorning ? mAmString : mPmString); |
| } |
| } |
| |
| private class FormatChangeObserver extends ContentObserver { |
| public FormatChangeObserver() { |
| super(new Handler()); |
| } |
| @Override |
| public void onChange(boolean selfChange) { |
| setDateFormat(); |
| updateTime(); |
| } |
| } |
| |
| public DigitalClock(Context context) { |
| this(context, null); |
| } |
| |
| public DigitalClock(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| |
| AssetManager assets = mContext.getAssets(); |
| |
| /* The time display consists of two tones. That's why we have two overlapping text views. */ |
| mTimeDisplayBackground = (TextView) findViewById(R.id.timeDisplayBackground); |
| mTimeDisplayBackground.setTypeface(Typeface.createFromFile(SYSTEM_FONT_TIME_BACKGROUND)); |
| mTimeDisplayForeground = (TextView) findViewById(R.id.timeDisplayForeground); |
| mTimeDisplayForeground.setTypeface(Typeface.createFromFile(SYSTEM_FONT_TIME_FOREGROUND)); |
| mAmPm = new AmPm(this, Typeface.createFromFile(SYSTEM_FONT_TIME_BACKGROUND)); |
| mCalendar = Calendar.getInstance(); |
| |
| setDateFormat(); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| |
| if (mAttached) return; |
| mAttached = true; |
| |
| if (mLive) { |
| /* monitor time ticks, time changed, timezone */ |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_TIME_TICK); |
| filter.addAction(Intent.ACTION_TIME_CHANGED); |
| filter.addAction(Intent.ACTION_TIMEZONE_CHANGED); |
| mContext.registerReceiver(mIntentReceiver, filter); |
| } |
| |
| /* monitor 12/24-hour display preference */ |
| mFormatChangeObserver = new FormatChangeObserver(); |
| mContext.getContentResolver().registerContentObserver( |
| Settings.System.CONTENT_URI, true, mFormatChangeObserver); |
| |
| updateTime(); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| |
| if (!mAttached) return; |
| mAttached = false; |
| |
| if (mLive) { |
| mContext.unregisterReceiver(mIntentReceiver); |
| } |
| mContext.getContentResolver().unregisterContentObserver( |
| mFormatChangeObserver); |
| } |
| |
| |
| void updateTime(Calendar c) { |
| mCalendar = c; |
| updateTime(); |
| } |
| |
| private void updateTime() { |
| if (mLive) { |
| mCalendar.setTimeInMillis(System.currentTimeMillis()); |
| } |
| |
| CharSequence newTime = DateFormat.format(mFormat, mCalendar); |
| mTimeDisplayBackground.setText(newTime); |
| mTimeDisplayForeground.setText(newTime); |
| mAmPm.setIsMorning(mCalendar.get(Calendar.AM_PM) == 0); |
| } |
| |
| private void setDateFormat() { |
| mFormat = android.text.format.DateFormat.is24HourFormat(getContext()) |
| ? M24 : M12; |
| mAmPm.setShowAmPm(mFormat.equals(M12)); |
| } |
| |
| void setLive(boolean live) { |
| mLive = live; |
| } |
| } |