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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.content.Context;
import android.database.Cursor;
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.calllogutils.CallLogDates;
import com.android.dialer.common.Assert;
import com.android.dialer.time.Clock;
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.HEADER_TODAY, RowType.HEADER_OLDER, RowType.CALL_LOG_ENTRY})
@interface RowType {
/** Header that displays "Today". */
int HEADER_TODAY = 1;
/** Header that displays "Older". */
int HEADER_OLDER = 2;
/** A row representing a call log entry (which could represent one or more calls). */
int CALL_LOG_ENTRY = 3;
}
private final Clock clock;
private final RealtimeRowProcessor realtimeRowProcessor;
private Cursor cursor;
/** Null when the "Today" header should not be displayed. */
@Nullable private Integer todayHeaderPosition;
/** Null when the "Older" header should not be displayed. */
@Nullable private Integer olderHeaderPosition;
NewCallLogAdapter(Context context, Cursor cursor, Clock clock) {
this.cursor = cursor;
this.clock = clock;
this.realtimeRowProcessor = CallLogUiComponent.get(context).realtimeRowProcessor();
setHeaderPositions();
}
void updateCursor(Cursor updatedCursor) {
this.cursor = updatedCursor;
setHeaderPositions();
notifyDataSetChanged();
}
private void setHeaderPositions() {
// Calculate header adapter positions by reading cursor.
long currentTimeMillis = clock.currentTimeMillis();
if (cursor.moveToFirst()) {
long firstTimestamp = CoalescedAnnotatedCallLogCursorLoader.getTimestamp(cursor);
if (CallLogDates.isSameDay(currentTimeMillis, firstTimestamp)) {
this.todayHeaderPosition = 0;
int adapterPosition = 2; // Accounted for "Today" header and first row.
while (cursor.moveToNext()) {
long timestamp = CoalescedAnnotatedCallLogCursorLoader.getTimestamp(cursor);
if (CallLogDates.isSameDay(currentTimeMillis, timestamp)) {
adapterPosition++;
} else {
this.olderHeaderPosition = adapterPosition;
return;
}
}
this.olderHeaderPosition = null; // Didn't find any "Older" rows.
} else {
this.todayHeaderPosition = null; // Didn't find any "Today" rows.
this.olderHeaderPosition = 0;
}
} else { // There are no rows, just need to set these because they are final.
this.todayHeaderPosition = null;
this.olderHeaderPosition = null;
}
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup viewGroup, @RowType int viewType) {
switch (viewType) {
case RowType.HEADER_TODAY:
case RowType.HEADER_OLDER:
return new HeaderViewHolder(
LayoutInflater.from(viewGroup.getContext())
.inflate(R.layout.new_call_log_header, viewGroup, false));
case RowType.CALL_LOG_ENTRY:
return new NewCallLogViewHolder(
LayoutInflater.from(viewGroup.getContext())
.inflate(R.layout.new_call_log_entry, viewGroup, false),
clock,
realtimeRowProcessor);
default:
throw Assert.createUnsupportedOperationFailException("Unsupported view type: " + viewType);
}
}
@Override
public void onBindViewHolder(ViewHolder viewHolder, int position) {
if (viewHolder instanceof HeaderViewHolder) {
HeaderViewHolder headerViewHolder = (HeaderViewHolder) viewHolder;
@RowType int viewType = getItemViewType(position);
if (viewType == RowType.HEADER_OLDER) {
headerViewHolder.setHeader(R.string.new_call_log_header_older);
} else if (viewType == RowType.HEADER_TODAY) {
headerViewHolder.setHeader(R.string.new_call_log_header_today);
} else {
throw Assert.createIllegalStateFailException(
"Unexpected view type " + viewType + " at position: " + position);
}
return;
}
NewCallLogViewHolder newCallLogViewHolder = (NewCallLogViewHolder) viewHolder;
int previousHeaders = 0;
if (todayHeaderPosition != null && position > todayHeaderPosition) {
previousHeaders++;
}
if (olderHeaderPosition != null && position > olderHeaderPosition) {
previousHeaders++;
}
cursor.moveToPosition(position - previousHeaders);
newCallLogViewHolder.bind(cursor);
}
@Override
@RowType
public int getItemViewType(int position) {
if (todayHeaderPosition != null && position == todayHeaderPosition) {
return RowType.HEADER_TODAY;
}
if (olderHeaderPosition != null && position == olderHeaderPosition) {
return RowType.HEADER_OLDER;
}
return RowType.CALL_LOG_ENTRY;
}
@Override
public int getItemCount() {
int numberOfHeaders = 0;
if (todayHeaderPosition != null) {
numberOfHeaders++;
}
if (olderHeaderPosition != null) {
numberOfHeaders++;
}
return cursor.getCount() + numberOfHeaders;
}
}
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