| /* |
| * Copyright (C) 2014 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.systemui.statusbar.policy; |
| |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.UserHandle; |
| import android.text.format.DateFormat; |
| import android.util.AttributeSet; |
| import android.widget.LinearLayout; |
| import android.widget.TextClock; |
| |
| import com.android.systemui.R; |
| |
| /** |
| * Container for a clock which has two separate views for the clock itself and AM/PM indicator. This |
| * is used to scale the clock independently of AM/PM. |
| */ |
| public class SplitClockView extends LinearLayout { |
| |
| private TextClock mTimeView; |
| private TextClock mAmPmView; |
| |
| private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (Intent.ACTION_TIME_CHANGED.equals(action) |
| || Intent.ACTION_TIMEZONE_CHANGED.equals(action) |
| || Intent.ACTION_LOCALE_CHANGED.equals(action) |
| || Intent.ACTION_CONFIGURATION_CHANGED.equals(action) |
| || Intent.ACTION_USER_SWITCHED.equals(action)) { |
| updatePatterns(); |
| } |
| } |
| }; |
| |
| public SplitClockView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| mTimeView = (TextClock) findViewById(R.id.time_view); |
| mAmPmView = (TextClock) findViewById(R.id.am_pm_view); |
| mTimeView.setShowCurrentUserTime(true); |
| mAmPmView.setShowCurrentUserTime(true); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_TIME_CHANGED); |
| filter.addAction(Intent.ACTION_TIMEZONE_CHANGED); |
| filter.addAction(Intent.ACTION_LOCALE_CHANGED); |
| filter.addAction(Intent.ACTION_CONFIGURATION_CHANGED); |
| filter.addAction(Intent.ACTION_USER_SWITCHED); |
| getContext().registerReceiverAsUser(mIntentReceiver, UserHandle.ALL, filter, null, null); |
| |
| updatePatterns(); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| getContext().unregisterReceiver(mIntentReceiver); |
| } |
| |
| private void updatePatterns() { |
| String formatString = DateFormat.getTimeFormatString(getContext(), |
| ActivityManager.getCurrentUser()); |
| int index = getAmPmPartEndIndex(formatString); |
| String timeString; |
| String amPmString; |
| if (index == -1) { |
| timeString = formatString; |
| amPmString = ""; |
| } else { |
| timeString = formatString.substring(0, index); |
| amPmString = formatString.substring(index); |
| } |
| mTimeView.setFormat12Hour(timeString); |
| mTimeView.setFormat24Hour(timeString); |
| mTimeView.setContentDescriptionFormat12Hour(formatString); |
| mTimeView.setContentDescriptionFormat24Hour(formatString); |
| mAmPmView.setFormat12Hour(amPmString); |
| mAmPmView.setFormat24Hour(amPmString); |
| } |
| |
| /** |
| * @return the index where the AM/PM part starts at the end in {@code formatString} including |
| * leading white spaces or {@code -1} if no AM/PM part is found or {@code formatString} |
| * doesn't end with AM/PM part |
| */ |
| private static int getAmPmPartEndIndex(String formatString) { |
| boolean hasAmPm = false; |
| int length = formatString.length(); |
| for (int i = length - 1; i >= 0; i--) { |
| char c = formatString.charAt(i); |
| boolean isAmPm = c == 'a'; |
| boolean isWhitespace = Character.isWhitespace(c); |
| if (isAmPm) { |
| hasAmPm = true; |
| } |
| if (isAmPm || isWhitespace) { |
| continue; |
| } |
| if (i == length - 1) { |
| |
| // First character was not AM/PM and not whitespace, so it's not ending with AM/PM. |
| return -1; |
| } else { |
| |
| // If we have AM/PM at all, return last index, or -1 to indicate that it's not |
| // ending with AM/PM. |
| return hasAmPm ? i + 1 : -1; |
| } |
| } |
| |
| // Only AM/PM and whitespaces? The whole string is AM/PM. Else: Only whitespaces in the |
| // string. |
| return hasAmPm ? 0 : -1; |
| } |
| |
| } |