| /* |
| * 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); |
| } |
| } |
| } |