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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.media.MtpConstants;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Mtp;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.ResourceCursorAdapter;
import android.widget.TextView;
/**
* 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 Cursor mCursor;
private ObjectCursorAdapter mAdapter;
private int mDeviceID;
private long mStorageID;
private long mObjectID;
private static final String[] OBJECT_COLUMNS =
new String[] { Mtp.Object._ID, Mtp.Object.NAME, Mtp.Object.FORMAT, Mtp.Object.THUMB };
static final int ID_COLUMN = 0;
static final int NAME_COLUMN = 1;
static final int FORMAT_COLUMN = 2;
static final int THUMB_COLUMN = 3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
protected void onResume() {
super.onResume();
mDeviceID = getIntent().getIntExtra("device", 0);
mStorageID = getIntent().getLongExtra("storage", 0);
mObjectID = getIntent().getLongExtra("object", 0);
if (mDeviceID != 0 && mStorageID != 0) {
Cursor c;
Uri uri;
if (mObjectID == 0) {
uri = Mtp.Object.getContentUriForStorageChildren(mDeviceID, mStorageID);
} else {
uri = Mtp.Object.getContentUriForObjectChildren(mDeviceID, mObjectID);
}
Log.d(TAG, "query " + uri);
c = getContentResolver().query(uri, OBJECT_COLUMNS, null, null, null);
startManagingCursor(c);
mCursor = c;
// Map Cursor columns to views defined in simple_list_item_1.xml
mAdapter = new ObjectCursorAdapter(this, c);
setListAdapter(mAdapter);
}
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
long rowID = mAdapter.getItemId(position);
Cursor c = getContentResolver().query(
Mtp.Object.getContentUri(mDeviceID, rowID),
OBJECT_COLUMNS, null, null, null);
Log.d(TAG, "query returned " + c + " count: " + c.getCount());
long format = 0;
if (c != null && c.getCount() == 1) {
c.moveToFirst();
long rowId = c.getLong(ID_COLUMN);
String name = c.getString(NAME_COLUMN);
format = c.getLong(FORMAT_COLUMN);
Log.d(TAG, "rowId: " + rowId + " name: " + name + " format: " + format);
}
if (format == MtpConstants.FORMAT_ASSOCIATION) {
Intent intent = new Intent(this, ObjectBrowser.class);
intent.putExtra("device", mDeviceID);
intent.putExtra("storage", mStorageID);
intent.putExtra("object", rowID);
startActivity(intent);
} else {
Intent intent = new Intent(this, ObjectViewer.class);
intent.putExtra("device", mDeviceID);
intent.putExtra("storage", mStorageID);
intent.putExtra("object", rowID);
startActivity(intent);
}
}
private class ObjectCursorAdapter extends ResourceCursorAdapter {
public ObjectCursorAdapter(Context context, Cursor c) {
super(context, R.layout.object_list, c);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
ImageView thumbView = (ImageView)view.findViewById(R.id.thumbnail);
TextView nameView = (TextView)view.findViewById(R.id.name);
// get the thumbnail
byte[] thumbnail = cursor.getBlob(THUMB_COLUMN);
if (thumbnail != null) {
Bitmap bitmap = BitmapFactory.decodeByteArray(thumbnail, 0, thumbnail.length);
if (bitmap != null) {
thumbView.setImageBitmap(bitmap);
}
}
// get the name
String name = cursor.getString(NAME_COLUMN);
if (name == null) {
name = "";
}
nameView.setText(name);
}
}
}
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