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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.annotation.IntDef;
import android.support.v4.util.ArrayMap;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.android.dialer.contactphoto.ContactPhotoManager;
import com.android.dialer.contactsfragment.ContactsFragment.ClickAction;
import com.android.dialer.contactsfragment.ContactsFragment.Header;
import com.android.dialer.lettertile.LetterTileDrawable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/** List adapter for the union of all contacts associated with every account on the device. */
final class ContactsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private static final int UNKNOWN_VIEW_TYPE = 0;
private static final int ADD_CONTACT_VIEW_TYPE = 1;
private static final int CONTACT_VIEW_TYPE = 2;
/** An Enum for the different row view types shown by this adapter. */
@Retention(RetentionPolicy.SOURCE)
@IntDef({UNKNOWN_VIEW_TYPE, ADD_CONTACT_VIEW_TYPE, CONTACT_VIEW_TYPE})
@interface ContactsViewType {}
private final ArrayMap<ContactViewHolder, Integer> holderMap = new ArrayMap<>();
private final Context context;
private final @Header int header;
private final @ClickAction int clickAction;
// List of contact sublist headers
private String[] headers = new String[0];
// Number of contacts that correspond to each header in {@code headers}.
private int[] counts = new int[0];
// Cursor with list of contacts
private Cursor cursor;
ContactsAdapter(Context context, @Header int header, @ClickAction int clickAction) {
this.context = context;
this.header = header;
this.clickAction = clickAction;
}
void updateCursor(Cursor cursor) {
this.cursor = cursor;
headers = cursor.getExtras().getStringArray(Contacts.EXTRA_ADDRESS_BOOK_INDEX_TITLES);
counts = cursor.getExtras().getIntArray(Contacts.EXTRA_ADDRESS_BOOK_INDEX_COUNTS);
if (counts != null) {
int sum = 0;
for (int count : counts) {
sum += count;
}
if (sum != cursor.getCount()) {
LogUtil.e(
"ContactsAdapter", "Count sum (%d) != cursor count (%d).", sum, cursor.getCount());
}
}
notifyDataSetChanged();
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(
ViewGroup parent, @ContactsViewType int viewType) {
switch (viewType) {
case ADD_CONTACT_VIEW_TYPE:
return new AddContactViewHolder(
LayoutInflater.from(context).inflate(R.layout.add_contact_row, parent, false));
case CONTACT_VIEW_TYPE:
return new ContactViewHolder(
LayoutInflater.from(context).inflate(R.layout.contact_row, parent, false), clickAction);
case UNKNOWN_VIEW_TYPE:
default:
throw Assert.createIllegalStateFailException("Invalid view type: " + viewType);
}
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int position) {
if (viewHolder instanceof AddContactViewHolder) {
return;
}
ContactViewHolder contactViewHolder = (ContactViewHolder) viewHolder;
holderMap.put(contactViewHolder, position);
cursor.moveToPosition(position);
if (header != Header.NONE) {
cursor.moveToPrevious();
}
String name = getDisplayName(cursor);
String header = getHeaderString(position);
Uri contactUri = getContactUri(cursor);
ContactPhotoManager.getInstance(context)
.loadDialerThumbnailOrPhoto(
contactViewHolder.getPhoto(),
contactUri,
getPhotoId(cursor),
getPhotoUri(cursor),
name,
LetterTileDrawable.TYPE_DEFAULT);
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.
boolean showHeader = position == 0 || !header.equals(getHeaderString(position - 1));
contactViewHolder.bind(header, name, contactUri, showHeader);
}
/**
* Returns {@link #ADD_CONTACT_VIEW_TYPE} if the adapter was initialized with {@link
* Header#ADD_CONTACT} and the position is 0. Otherwise, {@link #CONTACT_VIEW_TYPE}.
*/
@Override
public @ContactsViewType int getItemViewType(int position) {
if (header != Header.NONE && position == 0) {
return ADD_CONTACT_VIEW_TYPE;
}
return CONTACT_VIEW_TYPE;
}
@Override
public void onViewRecycled(RecyclerView.ViewHolder contactViewHolder) {
super.onViewRecycled(contactViewHolder);
if (contactViewHolder instanceof ContactViewHolder) {
holderMap.remove(contactViewHolder);
}
}
void refreshHeaders() {
for (ContactViewHolder holder : holderMap.keySet()) {
int position = holderMap.get(holder);
boolean showHeader =
position == 0 || !getHeaderString(position).equals(getHeaderString(position - 1));
int visibility = showHeader ? View.VISIBLE : View.INVISIBLE;
holder.getHeaderView().setVisibility(visibility);
}
}
@Override
public int getItemCount() {
int count = cursor == null || cursor.isClosed() ? 0 : cursor.getCount();
// Manually insert the header if one exists.
if (header != Header.NONE) {
count++;
}
return count;
}
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);
}
String getHeaderString(int position) {
if (header != Header.NONE) {
if (position == 0) {
return "+";
}
position--;
}
int index = -1;
int sum = 0;
while (sum <= position) {
sum += counts[++index];
}
return headers[index];
}
}
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