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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.camerabrowser;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.mtp.MtpClient;
import android.mtp.MtpConstants;
import android.mtp.MtpDevice;
import android.mtp.MtpObjectInfo;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import java.util.List;
/**
* A list view displaying all objects within a container (folder or storage unit).
*/
public class ObjectBrowser extends ListActivity {
private static final String TAG = "ObjectBrowser";
private MtpClient mClient;
private List<MtpObjectInfo> mObjectList;
private String mDeviceName;
private int mStorageID;
private int mObjectID;
private DeviceDisconnectedReceiver mDisconnectedReceiver;
private class ObjectAdapter extends BaseAdapter {
private final Context mContext;
private final LayoutInflater mInflater;
public ObjectAdapter(Context c) {
mContext = c;
mInflater = (LayoutInflater)c.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public int getCount() {
if (mObjectList == null) {
return 0;
} else {
return mObjectList.size();
}
}
public Object getItem(int position) {
return mObjectList.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
View view;
if (convertView == null) {
view = mInflater.inflate(R.layout.object_list, parent, false);
} else {
view = convertView;
}
TextView nameView = (TextView)view.findViewById(R.id.name);
MtpObjectInfo info = mObjectList.get(position);
nameView.setText(info.getName());
int thumbFormat = info.getThumbFormat();
if (thumbFormat == MtpConstants.FORMAT_EXIF_JPEG
|| thumbFormat == MtpConstants.FORMAT_JFIF) {
byte[] thumbnail = mClient.getThumbnail(mDeviceName, info.getObjectHandle());
if (thumbnail != null) {
Bitmap bitmap = BitmapFactory.decodeByteArray(thumbnail, 0, thumbnail.length);
if (bitmap != null) {
ImageView thumbView = (ImageView)view.findViewById(R.id.thumbnail);
thumbView.setImageBitmap(bitmap);
}
}
}
return view;
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mClient = ((CameraBrowserApplication)getApplication()).getMtpClient();
mDeviceName = getIntent().getStringExtra("device");
mStorageID = getIntent().getIntExtra("storage", 0);
mObjectID = getIntent().getIntExtra("object", 0);
mDisconnectedReceiver = new DeviceDisconnectedReceiver(this, mDeviceName);
}
@Override
protected void onResume() {
super.onResume();
mObjectList = mClient.getObjectList(mDeviceName, mStorageID, mObjectID);
setListAdapter(new ObjectAdapter(this));
}
@Override
protected void onDestroy() {
unregisterReceiver(mDisconnectedReceiver);
super.onDestroy();
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
MtpObjectInfo info = mObjectList.get(position);
Intent intent;
if (info.getFormat() == MtpConstants.FORMAT_ASSOCIATION) {
intent = new Intent(this, ObjectBrowser.class);
} else {
intent = new Intent(this, ObjectViewer.class);
}
intent.putExtra("device", mDeviceName);
intent.putExtra("storage", mStorageID);
intent.putExtra("object", info.getObjectHandle());
startActivity(intent);
}
}
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