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/*
* Copyright (C) 2015 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.messaging.ui.contact;
import android.content.Context;
import android.database.Cursor;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import android.widget.SectionIndexer;
import com.android.messaging.R;
import com.android.messaging.util.Assert;
public class ContactListAdapter extends CursorAdapter implements SectionIndexer {
private final ContactListItemView.HostInterface mClivHostInterface;
private final boolean mNeedAlphabetHeader;
private ContactSectionIndexer mSectionIndexer;
public ContactListAdapter(final Context context, final Cursor cursor,
final ContactListItemView.HostInterface clivHostInterface,
final boolean needAlphabetHeader) {
super(context, cursor, 0);
mClivHostInterface = clivHostInterface;
mNeedAlphabetHeader = needAlphabetHeader;
mSectionIndexer = new ContactSectionIndexer(cursor);
}
@Override
public void bindView(final View view, final Context context, final Cursor cursor) {
Assert.isTrue(view instanceof ContactListItemView);
final ContactListItemView contactListItemView = (ContactListItemView) view;
String alphabetHeader = null;
if (mNeedAlphabetHeader) {
final int position = cursor.getPosition();
final int section = mSectionIndexer.getSectionForPosition(position);
// Check if the position is the first in the section.
if (mSectionIndexer.getPositionForSection(section) == position) {
alphabetHeader = (String) mSectionIndexer.getSections()[section];
}
}
contactListItemView.bind(cursor, mClivHostInterface, mNeedAlphabetHeader, alphabetHeader);
}
@Override
public View newView(final Context context, final Cursor cursor, final ViewGroup parent) {
final LayoutInflater layoutInflater = LayoutInflater.from(context);
return layoutInflater.inflate(R.layout.contact_list_item_view, parent, false);
}
@Override
public Cursor swapCursor(final Cursor newCursor) {
mSectionIndexer = new ContactSectionIndexer(newCursor);
return super.swapCursor(newCursor);
}
@Override
public Object[] getSections() {
return mSectionIndexer.getSections();
}
@Override
public int getPositionForSection(final int sectionIndex) {
return mSectionIndexer.getPositionForSection(sectionIndex);
}
@Override
public int getSectionForPosition(final int position) {
return mSectionIndexer.getSectionForPosition(position);
}
}
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