Home | History | Annotate | Download | only in cellbroadcastreceiver
      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.text.Spannable;
     23 import android.text.SpannableStringBuilder;
     24 import android.text.style.StyleSpan;
     25 import android.util.AttributeSet;
     26 import android.view.accessibility.AccessibilityEvent;
     27 import android.widget.RelativeLayout;
     28 import android.widget.TextView;
     29 
     30 import java.util.List;
     31 
     32 /**
     33  * This class manages the view for given conversation.
     34  */
     35 public class CellBroadcastListItem extends RelativeLayout {
     36     private static final String TAG = "CellBroadcastListItem";
     37     private static final boolean DEBUG = false;
     38 
     39     private CellBroadcastMessage mCbMessage;
     40 
     41     private TextView mChannelView;
     42     private TextView mMessageView;
     43     private TextView mDateView;
     44 
     45     private static final StyleSpan STYLE_BOLD = new StyleSpan(Typeface.BOLD);
     46 
     47     public CellBroadcastListItem(Context context) {
     48         super(context);
     49     }
     50 
     51     public CellBroadcastListItem(Context context, AttributeSet attrs) {
     52         super(context, attrs);
     53     }
     54 
     55     CellBroadcastMessage getMessage() {
     56         return mCbMessage;
     57     }
     58 
     59     @Override
     60     protected void onFinishInflate() {
     61         super.onFinishInflate();
     62 
     63         mChannelView = (TextView) findViewById(R.id.channel);
     64         mDateView = (TextView) findViewById(R.id.date);
     65         mMessageView = (TextView) findViewById(R.id.message);
     66     }
     67 
     68     /**
     69      * Only used for header binding.
     70      * @param message the message contents to bind
     71      */
     72     public void bind(CellBroadcastMessage message) {
     73         mCbMessage = message;
     74 
     75         Drawable background = message.isRead() ?
     76                 getResources().getDrawable(R.drawable.list_item_background_read) :
     77                 getResources().getDrawable(R.drawable.list_item_background_unread);
     78 
     79         setBackgroundDrawable(background);
     80 
     81         mChannelView.setText(message.getDialogTitleResource());
     82         mDateView.setText(message.getDateString(getContext()));
     83         mMessageView.setText(formatMessage(message));
     84     }
     85 
     86     private static CharSequence formatMessage(CellBroadcastMessage message) {
     87         String body = message.getMessageBody();
     88 
     89         SpannableStringBuilder buf = new SpannableStringBuilder(body);
     90 
     91         // Unread messages are shown in bold
     92         if (!message.isRead()) {
     93             buf.setSpan(STYLE_BOLD, 0, buf.length(),
     94                     Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
     95         }
     96         return buf;
     97     }
     98 
     99     @Override
    100     public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
    101         // Speak the date first, then channel name, then message body
    102         event.getText().add(mCbMessage.getSpokenDateString(getContext()));
    103         mChannelView.dispatchPopulateAccessibilityEvent(event);
    104         mMessageView.dispatchPopulateAccessibilityEvent(event);
    105         return true;
    106     }
    107 }
    108