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      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.android.camerabrowser;
     18 
     19 import android.app.ListActivity;
     20 import android.content.ContentResolver;
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.mtp.MtpDevice;
     24 import android.mtp.MtpDeviceInfo;
     25 import android.os.Bundle;
     26 import android.util.Log;
     27 import android.view.LayoutInflater;
     28 import android.view.View;
     29 import android.view.ViewGroup;
     30 import android.widget.BaseAdapter;
     31 import android.widget.ListView;
     32 import android.widget.TextView;
     33 import android.widget.TwoLineListItem;
     34 
     35 import java.util.List;
     36 
     37  /**
     38  * A list view displaying all connected cameras.
     39  */
     40 public class CameraBrowser extends ListActivity implements MtpClient.Listener {
     41 
     42     private static final String TAG = "CameraBrowser";
     43 
     44     private MtpClient mClient;
     45     private List<MtpDevice> mDeviceList;
     46 
     47     private static final int MODEL_COLUMN = 0;
     48     private static final int MANUFACTURER_COLUMN = 1;
     49     private static final int COLUMN_COUNT = 2;
     50 
     51     private class CameraAdapter extends BaseAdapter {
     52         private final Context mContext;
     53         private final LayoutInflater mInflater;
     54 
     55         public CameraAdapter(Context c) {
     56             mContext = c;
     57             mInflater = (LayoutInflater)c.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     58         }
     59 
     60         public int getCount() {
     61             return mDeviceList.size();
     62         }
     63 
     64         public Object getItem(int position) {
     65             return mDeviceList.get(position);
     66         }
     67 
     68         public long getItemId(int position) {
     69             return position;
     70         }
     71 
     72         public View getView(int position, View convertView, ViewGroup parent) {
     73             TwoLineListItem view;
     74             if (convertView == null) {
     75                 view = (TwoLineListItem)mInflater.inflate(
     76                         android.R.layout.simple_list_item_2, parent, false);
     77             } else {
     78                 view = (TwoLineListItem)convertView;
     79             }
     80 
     81             TextView textView1 = (TextView)view.findViewById(android.R.id.text1);
     82             TextView textView2 = (TextView)view.findViewById(android.R.id.text2);
     83             MtpDevice device = mDeviceList.get(position);
     84             MtpDeviceInfo info = device.getDeviceInfo();
     85             if (info != null) {
     86                 textView1.setText(info.getManufacturer());
     87                 textView2.setText(info.getModel());
     88             } else {
     89                 textView1.setText("???");
     90                 textView2.setText("???");
     91             }
     92             return view;
     93         }
     94     }
     95 
     96     @Override
     97     protected void onCreate(Bundle savedInstanceState) {
     98         super.onCreate(savedInstanceState);
     99         mClient = ((CameraBrowserApplication)getApplication()).getMtpClient();
    100         mClient.addListener(this);
    101         mDeviceList = mClient.getDeviceList();
    102     }
    103 
    104     @Override
    105     protected void onResume() {
    106         super.onResume();
    107         reload();
    108     }
    109 
    110     @Override
    111     protected void onDestroy() {
    112         mClient.removeListener(this);
    113         super.onDestroy();
    114     }
    115 
    116     @Override
    117     protected void onListItemClick(ListView l, View v, int position, long id) {
    118         Intent intent = new Intent(this, StorageBrowser.class);
    119         intent.putExtra("device", mDeviceList.get(position).getDeviceName());
    120         startActivity(intent);
    121     }
    122 
    123     private void reload() {
    124         setListAdapter(new CameraAdapter(this));
    125     }
    126 
    127     public void deviceAdded(MtpDevice device) {
    128         Log.d(TAG, "deviceAdded: " + device.getDeviceName());
    129         mDeviceList = mClient.getDeviceList();
    130         reload();
    131     }
    132 
    133     public void deviceRemoved(MtpDevice device) {
    134         Log.d(TAG, "deviceRemoved: " + device.getDeviceName());
    135         mDeviceList = mClient.getDeviceList();
    136         reload();
    137     }
    138 }
    139