1 /* 2 * Copyright (C) 2008 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.systemui.statusbar; 18 19 import android.content.BroadcastReceiver; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.IntentFilter; 23 import android.util.AttributeSet; 24 import android.util.Slog; 25 import android.widget.TextView; 26 import android.view.MotionEvent; 27 28 import java.text.DateFormat; 29 import java.util.Date; 30 31 public final class DateView extends TextView { 32 private static final String TAG = "DateView"; 33 34 private boolean mUpdating = false; 35 36 private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { 37 @Override 38 public void onReceive(Context context, Intent intent) { 39 String action = intent.getAction(); 40 if (action.equals(Intent.ACTION_TIME_TICK) 41 || action.equals(Intent.ACTION_TIMEZONE_CHANGED)) { 42 updateClock(); 43 } 44 } 45 }; 46 47 public DateView(Context context, AttributeSet attrs) { 48 super(context, attrs); 49 } 50 51 @Override 52 protected void onAttachedToWindow() { 53 super.onAttachedToWindow(); 54 } 55 56 @Override 57 protected void onDetachedFromWindow() { 58 super.onDetachedFromWindow(); 59 setUpdates(false); 60 } 61 62 @Override 63 protected int getSuggestedMinimumWidth() { 64 // makes the large background bitmap not force us to full width 65 return 0; 66 } 67 68 private final void updateClock() { 69 Date now = new Date(); 70 setText(DateFormat.getDateInstance(DateFormat.LONG).format(now)); 71 } 72 73 void setUpdates(boolean update) { 74 if (update != mUpdating) { 75 mUpdating = update; 76 if (update) { 77 // Register for Intent broadcasts for the clock and battery 78 IntentFilter filter = new IntentFilter(); 79 filter.addAction(Intent.ACTION_TIME_TICK); 80 filter.addAction(Intent.ACTION_TIMEZONE_CHANGED); 81 mContext.registerReceiver(mIntentReceiver, filter, null, null); 82 updateClock(); 83 } else { 84 mContext.unregisterReceiver(mIntentReceiver); 85 } 86 } 87 } 88 } 89 90