1 /*
2  * Copyright (C) 2010 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.example.android.xmladapters;
18 
19 import android.content.Context;
20 import android.database.Cursor;
21 import android.view.View;
22 import android.widget.ImageView;
23 
24 /**
25  * This CursorBinder binds the provided image URL to an ImageView by downloading the image from the
26  * Internet.
27  */
28 public class UrlImageBinder extends Adapters.CursorBinder {
29 
30     private final ImageDownloader imageDownloader;
31 
UrlImageBinder(Context context, Adapters.CursorTransformation transformation)32     public UrlImageBinder(Context context, Adapters.CursorTransformation transformation) {
33         super(context, transformation);
34         imageDownloader = new ImageDownloader();
35     }
36 
37     @Override
bind(View view, Cursor cursor, int columnIndex)38     public boolean bind(View view, Cursor cursor, int columnIndex) {
39         if (view instanceof ImageView) {
40             final String url = mTransformation.transform(cursor, columnIndex);
41             imageDownloader.download(url, (ImageView) view);
42             return true;
43         }
44 
45         return false;
46     }
47 }
48