1 /* 2 * Copyright (C) 2015 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.messaging.ui.contact; 18 19 import android.content.Context; 20 import android.database.Cursor; 21 import android.view.LayoutInflater; 22 import android.view.View; 23 import android.view.ViewGroup; 24 import android.widget.CursorAdapter; 25 import android.widget.SectionIndexer; 26 27 import com.android.messaging.R; 28 import com.android.messaging.util.Assert; 29 30 public class ContactListAdapter extends CursorAdapter implements SectionIndexer { 31 private final ContactListItemView.HostInterface mClivHostInterface; 32 private final boolean mNeedAlphabetHeader; 33 private ContactSectionIndexer mSectionIndexer; 34 35 public ContactListAdapter(final Context context, final Cursor cursor, 36 final ContactListItemView.HostInterface clivHostInterface, 37 final boolean needAlphabetHeader) { 38 super(context, cursor, 0); 39 mClivHostInterface = clivHostInterface; 40 mNeedAlphabetHeader = needAlphabetHeader; 41 mSectionIndexer = new ContactSectionIndexer(cursor); 42 } 43 44 @Override 45 public void bindView(final View view, final Context context, final Cursor cursor) { 46 Assert.isTrue(view instanceof ContactListItemView); 47 final ContactListItemView contactListItemView = (ContactListItemView) view; 48 String alphabetHeader = null; 49 if (mNeedAlphabetHeader) { 50 final int position = cursor.getPosition(); 51 final int section = mSectionIndexer.getSectionForPosition(position); 52 // Check if the position is the first in the section. 53 if (mSectionIndexer.getPositionForSection(section) == position) { 54 alphabetHeader = (String) mSectionIndexer.getSections()[section]; 55 } 56 } 57 contactListItemView.bind(cursor, mClivHostInterface, mNeedAlphabetHeader, alphabetHeader); 58 } 59 60 @Override 61 public View newView(final Context context, final Cursor cursor, final ViewGroup parent) { 62 final LayoutInflater layoutInflater = LayoutInflater.from(context); 63 return layoutInflater.inflate(R.layout.contact_list_item_view, parent, false); 64 } 65 66 @Override 67 public Cursor swapCursor(final Cursor newCursor) { 68 mSectionIndexer = new ContactSectionIndexer(newCursor); 69 return super.swapCursor(newCursor); 70 } 71 72 @Override 73 public Object[] getSections() { 74 return mSectionIndexer.getSections(); 75 } 76 77 @Override 78 public int getPositionForSection(final int sectionIndex) { 79 return mSectionIndexer.getPositionForSection(sectionIndex); 80 } 81 82 @Override 83 public int getSectionForPosition(final int position) { 84 return mSectionIndexer.getSectionForPosition(position); 85 } 86 } 87
