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/*
* Copyright (C) 2017 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.dialer.contactsfragment;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract.Contacts;
import android.support.v4.util.ArrayMap;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.ViewGroup;
import android.widget.TextView;
import com.android.contacts.common.ContactPhotoManager;
import com.android.dialer.common.Assert;
/** List adapter for the union of all contacts associated with every account on the device. */
final class ContactsAdapter extends RecyclerView.Adapter<ContactViewHolder> {
private final ArrayMap<ContactViewHolder, Integer> holderMap = new ArrayMap<>();
private final Context context;
private final Cursor cursor;
// List of contact sublist headers
private final String[] headers;
// Number of contacts that correspond to each header in {@code headers}.
private final int[] counts;
public ContactsAdapter(Context context, Cursor cursor) {
this.context = context;
this.cursor = cursor;
headers = cursor.getExtras().getStringArray(Contacts.EXTRA_ADDRESS_BOOK_INDEX_TITLES);
counts = cursor.getExtras().getIntArray(Contacts.EXTRA_ADDRESS_BOOK_INDEX_COUNTS);
}
@Override
public ContactViewHolder onCreateViewHolder(ViewGroup parent, int position) {
return new ContactViewHolder(
LayoutInflater.from(context).inflate(R.layout.contact_row, parent, false));
}
@Override
public void onBindViewHolder(ContactViewHolder contactViewHolder, int position) {
holderMap.put(contactViewHolder, position);
cursor.moveToPosition(position);
String name = getDisplayName(cursor);
String header = getHeaderString(position);
Uri contactUri = getContactUri(cursor);
ContactPhotoManager.getInstance(context)
.loadDialerThumbnailOrPhoto(
contactViewHolder.getPhoto(),
contactUri,
getPhotoId(cursor),
getPhotoUri(cursor),
name,
0);
String photoDescription =
context.getString(com.android.contacts.common.R.string.description_quick_contact_for, name);
contactViewHolder.getPhoto().setContentDescription(photoDescription);
// Always show the view holder's header if it's the first item in the list. Otherwise, compare
// it to the previous element and only show the anchored header if the row elements fall into
// the same sublists.
if (position == 0) {
contactViewHolder.bind(header, name, contactUri, true);
} else {
boolean showHeader = !header.equals(getHeaderString(position - 1));
contactViewHolder.bind(header, name, contactUri, showHeader);
}
}
public void refreshHeaders() {
for (ContactViewHolder holder : holderMap.keySet()) {
onBindViewHolder(holder, holderMap.get(holder));
}
}
@Override
public int getItemCount() {
return cursor == null ? 0 : cursor.getCount();
}
public String getHeader(int position) {
return getHolderAt(position).getHeader();
}
public TextView getHeaderView(int position) {
return getHolderAt(position).getHeaderView();
}
public void setHeaderVisibility(int position, int visibility) {
getHolderAt(position).getHeaderView().setVisibility(visibility);
}
private ContactViewHolder getHolderAt(int position) {
for (ContactViewHolder holder : holderMap.keySet()) {
if (holderMap.get(holder) == position) {
return holder;
}
}
throw Assert.createIllegalStateFailException("No holder for position: " + position);
}
private static String getDisplayName(Cursor cursor) {
return cursor.getString(ContactsCursorLoader.CONTACT_DISPLAY_NAME);
}
private static long getPhotoId(Cursor cursor) {
return cursor.getLong(ContactsCursorLoader.CONTACT_PHOTO_ID);
}
private static Uri getPhotoUri(Cursor cursor) {
String photoUri = cursor.getString(ContactsCursorLoader.CONTACT_PHOTO_URI);
return photoUri == null ? null : Uri.parse(photoUri);
}
private static Uri getContactUri(Cursor cursor) {
long contactId = cursor.getLong(ContactsCursorLoader.CONTACT_ID);
String lookupKey = cursor.getString(ContactsCursorLoader.CONTACT_LOOKUP_KEY);
return Contacts.getLookupUri(contactId, lookupKey);
}
private String getHeaderString(int position) {
int index = -1;
int sum = 0;
while (sum <= position) {
sum += counts[++index];
}
return headers[index];
}
}
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