1 /* 2 * Copyright (C) 2017 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.dialer.searchfragment.cp2; 18 19 import android.content.Context; 20 import android.database.Cursor; 21 import android.database.MatrixCursor; 22 import android.database.MergeCursor; 23 import android.provider.ContactsContract.Directory; 24 import android.support.annotation.Nullable; 25 import com.android.dialer.searchfragment.common.SearchCursor; 26 27 /** 28 * {@link SearchCursor} implementation for displaying on device contacts. 29 * 30 * <p>Inserts header "All Contacts" at position 0. 31 */ 32 final class SearchContactsCursor extends MergeCursor implements SearchCursor { 33 34 private final ContactFilterCursor contactFilterCursor; 35 private final Context context; 36 newInstance( Context context, ContactFilterCursor contactFilterCursor)37 static SearchContactsCursor newInstance( 38 Context context, ContactFilterCursor contactFilterCursor) { 39 MatrixCursor headerCursor = new MatrixCursor(HEADER_PROJECTION); 40 headerCursor.addRow(new String[] {context.getString(R.string.all_contacts)}); 41 return new SearchContactsCursor(new Cursor[] {headerCursor, contactFilterCursor}, context); 42 } 43 SearchContactsCursor(Cursor[] cursors, Context context)44 private SearchContactsCursor(Cursor[] cursors, Context context) { 45 super(cursors); 46 this.contactFilterCursor = (ContactFilterCursor) cursors[1]; 47 this.context = context; 48 } 49 50 @Override isHeader()51 public boolean isHeader() { 52 return isFirst(); 53 } 54 55 @Override updateQuery(@ullable String query)56 public boolean updateQuery(@Nullable String query) { 57 contactFilterCursor.filter(query, context); 58 return true; 59 } 60 61 @Override getDirectoryId()62 public long getDirectoryId() { 63 return Directory.DEFAULT; 64 } 65 66 @Override getCount()67 public int getCount() { 68 // If we don't have any contents, we don't want to show the header 69 int count = contactFilterCursor.getCount(); 70 return count == 0 ? 0 : count + 1; 71 } 72 } 73