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/*
* Copyright (C) 2018 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.speeddial;
import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build.VERSION_CODES;
import android.support.annotation.IntDef;
import android.support.annotation.NonNull;
import android.support.annotation.VisibleForTesting;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.GridLayoutManager.SpanSizeLookup;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.RecyclerView.LayoutManager;
import android.support.v7.widget.RecyclerView.ViewHolder;
import android.util.ArrayMap;
import android.view.LayoutInflater;
import android.view.ViewGroup;
import com.android.dialer.common.Assert;
import com.android.dialer.speeddial.FavoritesViewHolder.FavoriteContactsListener;
import com.android.dialer.speeddial.HeaderViewHolder.SpeedDialHeaderListener;
import com.android.dialer.speeddial.SuggestionViewHolder.SuggestedContactsListener;
import com.android.dialer.speeddial.loader.SpeedDialUiItem;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* RecyclerView adapter for {@link SpeedDialFragment}.
*
* <p>Displays a list in the following order:
*
* <ol>
* <li>Favorite contacts header (with add button)
* <li>Favorite contacts
* <li>Suggested contacts header
* <li>Suggested contacts
* </ol>
*/
@SuppressWarnings("AndroidApiChecker")
@TargetApi(VERSION_CODES.N)
public final class SpeedDialAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
@Retention(RetentionPolicy.SOURCE)
@IntDef({RowType.STARRED_HEADER, RowType.SUGGESTION_HEADER, RowType.STARRED, RowType.SUGGESTION})
@interface RowType {
int STARRED_HEADER = 0;
int SUGGESTION_HEADER = 1;
int STARRED = 2;
int SUGGESTION = 3;
}
private final Context context;
private final FavoriteContactsListener favoritesListener;
private final SuggestedContactsListener suggestedListener;
private final SpeedDialHeaderListener headerListener;
private final Map<Integer, Integer> positionToRowTypeMap = new ArrayMap<>();
private List<SpeedDialUiItem> speedDialUiItems;
public SpeedDialAdapter(
Context context,
FavoriteContactsListener favoritesListener,
SuggestedContactsListener suggestedListener,
SpeedDialHeaderListener headerListener) {
this.context = context;
this.favoritesListener = favoritesListener;
this.suggestedListener = suggestedListener;
this.headerListener = headerListener;
}
@Override
public int getItemViewType(int position) {
return positionToRowTypeMap.get(position);
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
LayoutInflater inflater = LayoutInflater.from(context);
switch (viewType) {
case RowType.STARRED:
return new FavoritesViewHolder(
inflater.inflate(R.layout.favorite_item_layout, parent, false), favoritesListener);
case RowType.SUGGESTION:
return new SuggestionViewHolder(
inflater.inflate(R.layout.suggestion_row_layout, parent, false), suggestedListener);
case RowType.STARRED_HEADER:
case RowType.SUGGESTION_HEADER:
return new HeaderViewHolder(
inflater.inflate(R.layout.speed_dial_header_layout, parent, false), headerListener);
default:
throw Assert.createIllegalStateFailException("Invalid viewType: " + viewType);
}
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
switch (getItemViewType(position)) {
case RowType.STARRED_HEADER:
((HeaderViewHolder) holder).setHeaderText(R.string.favorites_header);
((HeaderViewHolder) holder).showAddButton(true);
return;
case RowType.SUGGESTION_HEADER:
((HeaderViewHolder) holder).setHeaderText(R.string.suggestions_header);
((HeaderViewHolder) holder).showAddButton(false);
return;
case RowType.STARRED:
((FavoritesViewHolder) holder).bind(context, speedDialUiItems.get(position - 1));
break;
case RowType.SUGGESTION:
((SuggestionViewHolder) holder).bind(context, speedDialUiItems.get(position - 2));
break;
default:
throw Assert.createIllegalStateFailException("Invalid view holder: " + holder);
}
}
@Override
public int getItemCount() {
return positionToRowTypeMap.size();
}
public void setSpeedDialUiItems(List<SpeedDialUiItem> immutableSpeedDialUiItems) {
speedDialUiItems = new ArrayList<>();
speedDialUiItems.addAll(immutableSpeedDialUiItems);
speedDialUiItems.sort((o1, o2) -> Boolean.compare(o2.isStarred(), o1.isStarred()));
positionToRowTypeMap.clear();
if (speedDialUiItems.isEmpty()) {
return;
}
// Show the add favorites even if there are no favorite contacts
positionToRowTypeMap.put(0, RowType.STARRED_HEADER);
int positionOfSuggestionHeader = 1;
for (int i = 0; i < speedDialUiItems.size(); i++) {
if (speedDialUiItems.get(i).isStarred()) {
positionToRowTypeMap.put(i + 1, RowType.STARRED); // +1 for the header
positionOfSuggestionHeader++;
} else {
positionToRowTypeMap.put(i + 2, RowType.SUGGESTION); // +2 for both headers
}
}
if (!speedDialUiItems.get(speedDialUiItems.size() - 1).isStarred()) {
positionToRowTypeMap.put(positionOfSuggestionHeader, RowType.SUGGESTION_HEADER);
}
}
/* package-private */ LayoutManager getLayoutManager(Context context) {
GridLayoutManager layoutManager = new GridLayoutManager(context, 3 /* spanCount */);
layoutManager.setSpanSizeLookup(
new SpanSizeLookup() {
@Override
public int getSpanSize(int position) {
return SpeedDialAdapter.this.getSpanSize(position);
}
});
return layoutManager;
}
@VisibleForTesting
int getSpanSize(int position) {
switch (getItemViewType(position)) {
case RowType.SUGGESTION:
case RowType.STARRED_HEADER:
case RowType.SUGGESTION_HEADER:
return 3; // span the whole screen
case RowType.STARRED:
return 1; // span 1/3 of the screen
default:
throw Assert.createIllegalStateFailException(
"Invalid row type: " + positionToRowTypeMap.get(position));
}
}
}
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