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/*
* Copyright (C) 2015 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.tv.guide;
import android.content.res.Resources;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.android.tv.R;
import com.android.tv.data.Channel;
import com.android.tv.guide.ProgramManager.TableEntriesUpdatedListener;
import com.android.tv.guide.ProgramManager.TableEntry;
/**
* Adapts a program list for a specific channel from {@link ProgramManager} to a row of the program
* guide table.
*/
public class ProgramListAdapter extends RecyclerView.Adapter<ProgramListAdapter.ProgramViewHolder>
implements TableEntriesUpdatedListener {
private static final String TAG = "ProgramListAdapter";
private static final boolean DEBUG = false;
private final ProgramManager mProgramManager;
private final int mChannelIndex;
private final String mNoInfoProgramTitle;
private final String mBlockedProgramTitle;
private long mChannelId;
public ProgramListAdapter(Resources res, ProgramManager programManager, int channelIndex) {
setHasStableIds(true);
mProgramManager = programManager;
mChannelIndex = channelIndex;
mNoInfoProgramTitle = res.getString(R.string.program_title_for_no_information);
mBlockedProgramTitle = res.getString(R.string.program_title_for_blocked_channel);
onTableEntriesUpdated();
}
@Override
public void onTableEntriesUpdated() {
Channel channel = mProgramManager.getChannel(mChannelIndex);
if (channel == null) {
// The channel has just been removed. Do nothing.
} else {
mChannelId = channel.getId();
if (DEBUG) Log.d(TAG, "update for channel " + mChannelId);
notifyDataSetChanged();
}
}
public ProgramManager getProgramManager() {
return mProgramManager;
}
@Override
public int getItemCount() {
return mProgramManager.getTableEntryCount(mChannelId);
}
@Override
public int getItemViewType(int position) {
return R.layout.program_guide_table_item;
}
@Override
public long getItemId(int position) {
return mProgramManager.getTableEntry(mChannelId, position).getId();
}
@Override
public void onBindViewHolder(ProgramViewHolder holder, int position) {
TableEntry tableEntry = mProgramManager.getTableEntry(mChannelId, position);
String gapTitle = tableEntry.isBlocked() ? mBlockedProgramTitle : mNoInfoProgramTitle;
holder.onBind(tableEntry, this.getProgramManager(), gapTitle);
}
@Override
public void onViewRecycled(ProgramViewHolder holder) {
holder.onUnbind();
}
@Override
public ProgramViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext()).inflate(viewType, parent, false);
return new ProgramViewHolder(itemView);
}
public static class ProgramViewHolder extends RecyclerView.ViewHolder {
// Should be called from main thread.
public ProgramViewHolder(View itemView) {
super(itemView);
}
public void onBind(TableEntry entry, ProgramManager programManager, String gapTitle) {
if (DEBUG) {
Log.d(TAG, "onBind. View = " + itemView + ", Entry = " + entry);
}
((ProgramItemView) itemView).setValues(entry, programManager.getSelectedGenreId(),
programManager.getFromUtcMillis(), programManager.getToUtcMillis(), gapTitle);
}
public void onUnbind() {
((ProgramItemView) itemView).clearValues();
}
}
}
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