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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.calllog.ui;
import android.app.Activity;
import android.content.Context;
import android.support.annotation.IntDef;
import android.support.annotation.Nullable;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.RecyclerView.ViewHolder;
import android.view.LayoutInflater;
import android.view.ViewGroup;
import com.android.dialer.calllog.model.CoalescedRow;
import com.android.dialer.calllogutils.CallLogDates;
import com.android.dialer.common.Assert;
import com.android.dialer.logging.Logger;
import com.android.dialer.promotion.Promotion;
import com.android.dialer.time.Clock;
import com.google.common.collect.ImmutableList;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/** {@link RecyclerView.Adapter} for the new call log fragment. */
final class NewCallLogAdapter extends RecyclerView.Adapter<ViewHolder> {
/** IntDef for the different types of rows that can be shown in the call log. */
@Retention(RetentionPolicy.SOURCE)
@IntDef({
RowType.PROMOTION_CARD,
RowType.HEADER_TODAY,
RowType.HEADER_YESTERDAY,
RowType.HEADER_OLDER,
RowType.CALL_LOG_ENTRY
})
@interface RowType {
/** The promotion card. */
int PROMOTION_CARD = 1;
/** Header that displays "Today". */
int HEADER_TODAY = 2;
/** Header that displays "Yesterday". */
int HEADER_YESTERDAY = 3;
/** Header that displays "Older". */
int HEADER_OLDER = 4;
/** A row representing a call log entry (which could represent one or more calls). */
int CALL_LOG_ENTRY = 5;
}
private final Clock clock;
private final Activity activity;
private final RealtimeRowProcessor realtimeRowProcessor;
private final PopCounts popCounts = new PopCounts();
@Nullable private final Promotion promotion;
private ImmutableList<CoalescedRow> coalescedRows;
/** Position of the promotion card. Null when it should not be displayed. */
@Nullable private Integer promotionCardPosition;
/** Position of the "Today" header. Null when it should not be displayed. */
@Nullable private Integer todayHeaderPosition;
/** Position of the "Yesterday" header. Null when it should not be displayed. */
@Nullable private Integer yesterdayHeaderPosition;
/** Position of the "Older" header. Null when it should not be displayed. */
@Nullable private Integer olderHeaderPosition;
NewCallLogAdapter(
Activity activity,
ImmutableList<CoalescedRow> coalescedRows,
Clock clock,
@Nullable Promotion promotion) {
this.activity = activity;
this.coalescedRows = coalescedRows;
this.clock = clock;
this.realtimeRowProcessor = CallLogUiComponent.get(activity).realtimeRowProcessor();
this.promotion = promotion;
setCardAndHeaderPositions();
}
void updateRows(ImmutableList<CoalescedRow> coalescedRows) {
this.coalescedRows = coalescedRows;
this.realtimeRowProcessor.clearCache();
this.popCounts.reset();
setCardAndHeaderPositions();
notifyDataSetChanged();
}
void clearCache() {
this.realtimeRowProcessor.clearCache();
}
void logMetrics(Context context) {
Logger.get(context).logAnnotatedCallLogMetrics(popCounts.popped, popCounts.didNotPop);
}
private void setCardAndHeaderPositions() {
// Set the position for the promotion card if it should be shown.
promotionCardPosition = null;
int numCards = 0;
if (promotion != null && promotion.isEligibleToBeShown()) {
promotionCardPosition = 0;
numCards++;
}
// If there are no rows to display, set all header positions to null.
if (coalescedRows.isEmpty()) {
todayHeaderPosition = null;
yesterdayHeaderPosition = null;
olderHeaderPosition = null;
return;
}
// Calculate positions for headers.
long currentTimeMillis = clock.currentTimeMillis();
int numItemsInToday = 0;
int numItemsInYesterday = 0;
int numItemsInOlder = 0;
for (CoalescedRow coalescedRow : coalescedRows) {
long timestamp = coalescedRow.getTimestamp();
long dayDifference = CallLogDates.getDayDifference(currentTimeMillis, timestamp);
if (dayDifference == 0) {
numItemsInToday++;
} else if (dayDifference == 1) {
numItemsInYesterday++;
} else {
numItemsInOlder = coalescedRows.size() - numItemsInToday - numItemsInYesterday;
break;
}
}
if (numItemsInToday > 0) {
numItemsInToday++; // including the "Today" header;
}
if (numItemsInYesterday > 0) {
numItemsInYesterday++; // including the "Yesterday" header;
}
if (numItemsInOlder > 0) {
numItemsInOlder++; // include the "Older" header;
}
// Set all header positions.
// A header position will be null if there is no item to be displayed under that header.
todayHeaderPosition = numItemsInToday > 0 ? numCards : null;
yesterdayHeaderPosition = numItemsInYesterday > 0 ? numItemsInToday + numCards : null;
olderHeaderPosition =
numItemsInOlder > 0 ? numItemsInToday + numItemsInYesterday + numCards : null;
}
@Override
public void onAttachedToRecyclerView(RecyclerView recyclerView) {
super.onAttachedToRecyclerView(recyclerView);
// Register a OnScrollListener that records when the promotion is viewed.
if (promotion != null && promotion.isEligibleToBeShown()) {
recyclerView.addOnScrollListener(
new OnScrollListenerForRecordingPromotionCardFirstViewTime(promotion));
}
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup viewGroup, @RowType int viewType) {
switch (viewType) {
case RowType.PROMOTION_CARD:
return new PromotionCardViewHolder(
LayoutInflater.from(activity)
.inflate(
R.layout.new_call_log_promotion_card, viewGroup, /* attachToRoot = */ false),
promotion);
case RowType.HEADER_TODAY:
case RowType.HEADER_YESTERDAY:
case RowType.HEADER_OLDER:
return new HeaderViewHolder(
LayoutInflater.from(activity)
.inflate(R.layout.new_call_log_header, viewGroup, /* attachToRoot = */ false));
case RowType.CALL_LOG_ENTRY:
return new NewCallLogViewHolder(
activity,
LayoutInflater.from(activity)
.inflate(R.layout.new_call_log_entry, viewGroup, /* attachToRoot = */ false),
clock,
realtimeRowProcessor,
popCounts);
default:
throw Assert.createUnsupportedOperationFailException("Unsupported view type: " + viewType);
}
}
@Override
public void onBindViewHolder(ViewHolder viewHolder, int position) {
@RowType int viewType = getItemViewType(position);
switch (viewType) {
case RowType.PROMOTION_CARD:
((PromotionCardViewHolder) viewHolder)
.setDismissListener(
() -> {
notifyItemRemoved(promotionCardPosition);
setCardAndHeaderPositions();
});
break;
case RowType.HEADER_TODAY:
((HeaderViewHolder) viewHolder).setHeader(R.string.new_call_log_header_today);
break;
case RowType.HEADER_YESTERDAY:
((HeaderViewHolder) viewHolder).setHeader(R.string.new_call_log_header_yesterday);
break;
case RowType.HEADER_OLDER:
((HeaderViewHolder) viewHolder).setHeader(R.string.new_call_log_header_older);
break;
case RowType.CALL_LOG_ENTRY:
NewCallLogViewHolder newCallLogViewHolder = (NewCallLogViewHolder) viewHolder;
int previousCardAndHeaders = 0;
if (promotionCardPosition != null && position > promotionCardPosition) {
previousCardAndHeaders++;
}
if (todayHeaderPosition != null && position > todayHeaderPosition) {
previousCardAndHeaders++;
}
if (yesterdayHeaderPosition != null && position > yesterdayHeaderPosition) {
previousCardAndHeaders++;
}
if (olderHeaderPosition != null && position > olderHeaderPosition) {
previousCardAndHeaders++;
}
newCallLogViewHolder.bind(coalescedRows.get(position - previousCardAndHeaders));
break;
default:
throw Assert.createIllegalStateFailException(
"Unexpected view type " + viewType + " at position: " + position);
}
}
@Override
@RowType
public int getItemViewType(int position) {
if (promotionCardPosition != null && position == promotionCardPosition) {
return RowType.PROMOTION_CARD;
}
if (todayHeaderPosition != null && position == todayHeaderPosition) {
return RowType.HEADER_TODAY;
}
if (yesterdayHeaderPosition != null && position == yesterdayHeaderPosition) {
return RowType.HEADER_YESTERDAY;
}
if (olderHeaderPosition != null && position == olderHeaderPosition) {
return RowType.HEADER_OLDER;
}
return RowType.CALL_LOG_ENTRY;
}
@Override
public int getItemCount() {
int numberOfCards = 0;
int numberOfHeaders = 0;
if (promotionCardPosition != null) {
numberOfCards++;
}
if (todayHeaderPosition != null) {
numberOfHeaders++;
}
if (yesterdayHeaderPosition != null) {
numberOfHeaders++;
}
if (olderHeaderPosition != null) {
numberOfHeaders++;
}
return coalescedRows.size() + numberOfHeaders + numberOfCards;
}
/**
* A {@link RecyclerView.OnScrollListener} that records the timestamp at which the promotion card
* is first viewed.
*
* <p>We consider the card as viewed if the user scrolls the containing RecyclerView since such
* action is a strong proof.
*/
private static final class OnScrollListenerForRecordingPromotionCardFirstViewTime
extends RecyclerView.OnScrollListener {
private final Promotion promotion;
OnScrollListenerForRecordingPromotionCardFirstViewTime(Promotion promotion) {
this.promotion = promotion;
}
@Override
public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
if (newState == RecyclerView.SCROLL_STATE_SETTLING) {
promotion.onViewed();
// Recording promotion is viewed is this listener's sole responsibility.
// We can remove it from the containing RecyclerView after the job is done.
recyclerView.removeOnScrollListener(this);
}
super.onScrollStateChanged(recyclerView, newState);
}
}
static class PopCounts {
int popped;
int didNotPop;
private void reset() {
popped = 0;
didNotPop = 0;
}
}
}
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