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