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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     private Context mContext;
     42 
     43     public CellBroadcastListItem(Context context, AttributeSet attrs) {
     44         super(context, attrs);
     45         mContext = context;
     46     }
     47 
     48     CellBroadcastMessage getMessage() {
     49         return mCbMessage;
     50     }
     51 
     52     @Override
     53     protected void onFinishInflate() {
     54         super.onFinishInflate();
     55 
     56         mChannelView = (TextView) findViewById(R.id.channel);
     57         mDateView = (TextView) findViewById(R.id.date);
     58         mMessageView = (TextView) findViewById(R.id.message);
     59     }
     60 
     61     /**
     62      * Only used for header binding.
     63      * @param message the message contents to bind
     64      */
     65     public void bind(CellBroadcastMessage message) {
     66         mCbMessage = message;
     67 
     68         Drawable background = message.isRead() ?
     69                 getResources().getDrawable(R.drawable.list_item_background_read) :
     70                 getResources().getDrawable(R.drawable.list_item_background_unread);
     71 
     72         setBackground(background);
     73 
     74         mChannelView.setText(CellBroadcastResources.getDialogTitleResource(mContext, message));
     75         mDateView.setText(message.getDateString(getContext()));
     76         mMessageView.setText(formatMessage(message));
     77     }
     78 
     79     private static CharSequence formatMessage(CellBroadcastMessage message) {
     80         String body = message.getMessageBody();
     81 
     82         SpannableStringBuilder buf = new SpannableStringBuilder(body);
     83 
     84         // Unread messages are shown in bold
     85         if (!message.isRead()) {
     86             buf.setSpan(new StyleSpan(Typeface.BOLD), 0, buf.length(),
     87                     Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
     88         }
     89         return buf;
     90     }
     91 
     92     @Override
     93     public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
     94         // Speak the date first, then channel name, then message body
     95         event.getText().add(mCbMessage.getSpokenDateString(getContext()));
     96         mChannelView.dispatchPopulateAccessibilityEvent(event);
     97         mMessageView.dispatchPopulateAccessibilityEvent(event);
     98         return true;
     99     }
    100 }
    101