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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.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 
CellBroadcastListItem(Context context)47     public CellBroadcastListItem(Context context) {
48         super(context);
49     }
50 
CellBroadcastListItem(Context context, AttributeSet attrs)51     public CellBroadcastListItem(Context context, AttributeSet attrs) {
52         super(context, attrs);
53     }
54 
getMessage()55     CellBroadcastMessage getMessage() {
56         return mCbMessage;
57     }
58 
59     @Override
onFinishInflate()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      */
bind(CellBroadcastMessage message)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 
formatMessage(CellBroadcastMessage message)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
dispatchPopulateAccessibilityEvent(AccessibilityEvent event)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