| /* |
| * 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.contacts.list; |
| |
| import android.content.Context; |
| import android.content.CursorLoader; |
| import android.database.Cursor; |
| import android.database.MatrixCursor; |
| import android.net.Uri; |
| |
| /** |
| * A specialized loader for the Join Contacts UI. It executes two queries: |
| * join suggestions and (optionally) the full contact list. |
| */ |
| public class JoinContactLoader extends CursorLoader { |
| |
| private String[] mProjection; |
| private Uri mSuggestionUri; |
| private MatrixCursor mSuggestionsCursor; |
| |
| public JoinContactLoader(Context context) { |
| super(context, null, null, null, null, null); |
| } |
| |
| public void setSuggestionUri(Uri uri) { |
| this.mSuggestionUri = uri; |
| } |
| |
| @Override |
| public void setProjection(String[] projection) { |
| super.setProjection(projection); |
| this.mProjection = projection; |
| } |
| |
| public Cursor getSuggestionsCursor() { |
| return mSuggestionsCursor; |
| } |
| |
| @Override |
| public Cursor loadInBackground() { |
| // First execute the suggestions query, then call super.loadInBackground |
| // to load the entire list |
| mSuggestionsCursor = loadSuggestions(); |
| return super.loadInBackground(); |
| } |
| |
| /** |
| * Loads join suggestions into a MatrixCursor. |
| */ |
| private MatrixCursor loadSuggestions() { |
| Cursor cursor = getContext().getContentResolver().query(mSuggestionUri, mProjection, |
| null, null, null); |
| try { |
| MatrixCursor matrix = new MatrixCursor(mProjection); |
| Object[] row = new Object[mProjection.length]; |
| while (cursor.moveToNext()) { |
| for (int i = 0; i < row.length; i++) { |
| row[i] = cursor.getString(i); |
| } |
| matrix.addRow(row); |
| } |
| return matrix; |
| } finally { |
| cursor.close(); |
| } |
| } |
| } |