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/*
* Copyright (C) 2022 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.systemui.volume;
import static android.app.slice.Slice.HINT_ERROR;
import static android.app.slice.SliceItem.FORMAT_SLICE;
import android.content.Context;
import android.net.Uri;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.lifecycle.LifecycleOwner;
import androidx.lifecycle.LiveData;
import androidx.recyclerview.widget.RecyclerView;
import androidx.slice.Slice;
import androidx.slice.SliceItem;
import androidx.slice.widget.SliceView;
import com.android.systemui.R;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* RecyclerView adapter for Slices in Settings Panels.
*/
public class VolumePanelSlicesAdapter extends
RecyclerView.Adapter<VolumePanelSlicesAdapter.SliceRowViewHolder> {
private final List<LiveData<Slice>> mSliceLiveData;
private final LifecycleOwner mLifecycleOwner;
private SliceView.OnSliceActionListener mOnSliceActionListener;
public VolumePanelSlicesAdapter(LifecycleOwner lifecycleOwner,
Map<Uri, LiveData<Slice>> sliceLiveData) {
mLifecycleOwner = lifecycleOwner;
mSliceLiveData = new ArrayList<>(sliceLiveData.values());
}
@NonNull
@Override
public SliceRowViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int viewType) {
final Context context = viewGroup.getContext();
final LayoutInflater inflater = LayoutInflater.from(context);
View view = inflater.inflate(R.layout.volume_panel_slice_slider_row, viewGroup, false);
return new SliceRowViewHolder(view);
}
@Override
public void onBindViewHolder(@NonNull SliceRowViewHolder sliceRowViewHolder, int position) {
sliceRowViewHolder.onBind(mSliceLiveData.get(position), position);
}
@Override
public int getItemCount() {
return mSliceLiveData.size();
}
@Override
public int getItemViewType(int position) {
return position;
}
void setOnSliceActionListener(SliceView.OnSliceActionListener listener) {
mOnSliceActionListener = listener;
}
void updateDataSet(ArrayList<LiveData<Slice>> list) {
mSliceLiveData.clear();
mSliceLiveData.addAll(list);
notifyDataSetChanged();
}
/**
* ViewHolder for binding Slices to SliceViews.
*/
public class SliceRowViewHolder extends RecyclerView.ViewHolder {
private final SliceView mSliceView;
public SliceRowViewHolder(View view) {
super(view);
mSliceView = view.findViewById(R.id.slice_view);
mSliceView.setMode(SliceView.MODE_LARGE);
mSliceView.setShowTitleItems(true);
mSliceView.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
mSliceView.setOnSliceActionListener(mOnSliceActionListener);
}
/**
* Called when the view is displayed.
*/
public void onBind(LiveData<Slice> sliceLiveData, int position) {
sliceLiveData.observe(mLifecycleOwner, mSliceView);
// Do not show the divider above media devices switcher slice per request
final Slice slice = sliceLiveData.getValue();
// Hides slice which reports with error hint or not contain any slice sub-item.
if (slice == null || !isValidSlice(slice)) {
mSliceView.setVisibility(View.GONE);
} else {
mSliceView.setVisibility(View.VISIBLE);
}
}
private boolean isValidSlice(Slice slice) {
if (slice.getHints().contains(HINT_ERROR)) {
return false;
}
for (SliceItem item : slice.getItems()) {
if (item.getFormat().equals(FORMAT_SLICE)) {
return true;
}
}
return false;
}
}
}
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