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      1 /*
      2  * Copyright (C) 2011 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.cellbroadcastreceiver;
     18 
     19 import android.content.Context;
     20 import android.graphics.Typeface;
     21 import android.graphics.drawable.Drawable;
     22 import android.telephony.CellBroadcastMessage;
     23 import android.text.Spannable;
     24 import android.text.SpannableStringBuilder;
     25 import android.text.style.StyleSpan;
     26 import android.util.AttributeSet;
     27 import android.view.accessibility.AccessibilityEvent;
     28 import android.widget.RelativeLayout;
     29 import android.widget.TextView;
     30 
     31 /**
     32  * This class manages the list item view for a single alert.
     33  */
     34 public class CellBroadcastListItem extends RelativeLayout {
     35 
     36     private CellBroadcastMessage mCbMessage;
     37 
     38     private TextView mChannelView;
     39     private TextView mMessageView;
     40     private TextView mDateView;
     41 
     42     public CellBroadcastListItem(Context context, AttributeSet attrs) {
     43         super(context, attrs);
     44     }
     45 
     46     CellBroadcastMessage getMessage() {
     47         return mCbMessage;
     48     }
     49 
     50     @Override
     51     protected void onFinishInflate() {
     52         super.onFinishInflate();
     53 
     54         mChannelView = (TextView) findViewById(R.id.channel);
     55         mDateView = (TextView) findViewById(R.id.date);
     56         mMessageView = (TextView) findViewById(R.id.message);
     57     }
     58 
     59     /**
     60      * Only used for header binding.
     61      * @param message the message contents to bind
     62      */
     63     public void bind(CellBroadcastMessage message) {
     64         mCbMessage = message;
     65 
     66         Drawable background = message.isRead() ?
     67                 getResources().getDrawable(R.drawable.list_item_background_read) :
     68                 getResources().getDrawable(R.drawable.list_item_background_unread);
     69 
     70         setBackground(background);
     71 
     72         mChannelView.setText(CellBroadcastResources.getDialogTitleResource(message));
     73         mDateView.setText(message.getDateString(getContext()));
     74         mMessageView.setText(formatMessage(message));
     75     }
     76 
     77     private static CharSequence formatMessage(CellBroadcastMessage message) {
     78         String body = message.getMessageBody();
     79 
     80         SpannableStringBuilder buf = new SpannableStringBuilder(body);
     81 
     82         // Unread messages are shown in bold
     83         if (!message.isRead()) {
     84             buf.setSpan(new StyleSpan(Typeface.BOLD), 0, buf.length(),
     85                     Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
     86         }
     87         return buf;
     88     }
     89 
     90     @Override
     91     public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
     92         // Speak the date first, then channel name, then message body
     93         event.getText().add(mCbMessage.getSpokenDateString(getContext()));
     94         mChannelView.dispatchPopulateAccessibilityEvent(event);
     95         mMessageView.dispatchPopulateAccessibilityEvent(event);
     96         return true;
     97     }
     98 }
     99