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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.Context;
     21 import android.content.Intent;
     22 import android.mtp.MtpDevice;
     23 import android.mtp.MtpStorageInfo;
     24 import android.os.Bundle;
     25 import android.util.Log;
     26 import android.view.LayoutInflater;
     27 import android.view.View;
     28 import android.view.ViewGroup;
     29 import android.widget.BaseAdapter;
     30 import android.widget.ListView;
     31 import android.widget.TextView;
     32 
     33 import java.util.List;
     34 
     35 /**
     36  * A list view displaying all storage units on a device.
     37  */
     38 public class StorageBrowser extends ListActivity {
     39 
     40     private static final String TAG = "StorageBrowser";
     41 
     42     private MtpClient mClient;
     43     private String mDeviceName;
     44     private List<MtpStorageInfo> mStorageList;
     45     private DeviceDisconnectedReceiver mDisconnectedReceiver;
     46 
     47     private class StorageAdapter extends BaseAdapter {
     48         private final Context mContext;
     49         private final LayoutInflater mInflater;
     50 
     51         public StorageAdapter(Context c) {
     52             mContext = c;
     53             mInflater = (LayoutInflater)c.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     54         }
     55 
     56         public int getCount() {
     57             if (mStorageList == null) {
     58                 return 0;
     59             } else {
     60                 return mStorageList.size();
     61             }
     62         }
     63 
     64         public Object getItem(int position) {
     65             return mStorageList.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             TextView view;
     74             if (convertView == null) {
     75                 view = (TextView)mInflater.inflate(
     76                         android.R.layout.simple_list_item_1, parent, false);
     77             } else {
     78                 view = (TextView)convertView;
     79             }
     80 
     81             MtpStorageInfo info = mStorageList.get(position);
     82             if (info != null) {
     83                 view.setText(info.getDescription());
     84             } else {
     85                 view.setText("???");
     86             }
     87             return view;
     88         }
     89     }
     90 
     91     @Override
     92     protected void onCreate(Bundle savedInstanceState) {
     93         super.onCreate(savedInstanceState);
     94 
     95         mClient = ((CameraBrowserApplication)getApplication()).getMtpClient();
     96         mDeviceName = getIntent().getStringExtra("device");
     97         mDisconnectedReceiver = new DeviceDisconnectedReceiver(this, mDeviceName);
     98     }
     99 
    100     @Override
    101     protected void onResume() {
    102         super.onResume();
    103         mStorageList = mClient.getStorageList(mDeviceName);
    104         setListAdapter(new StorageAdapter(this));
    105     }
    106 
    107     @Override
    108     protected void onDestroy() {
    109         unregisterReceiver(mDisconnectedReceiver);
    110         super.onDestroy();
    111     }
    112 
    113     @Override
    114     protected void onListItemClick(ListView l, View v, int position, long id) {
    115         Intent intent = new Intent(this, ObjectBrowser.class);
    116         intent.putExtra("device", mDeviceName);
    117         intent.putExtra("storage", mStorageList.get(position).getStorageId());
    118         startActivity(intent);
    119     }
    120 }
    121