| /* |
| * Copyright (C) 2016 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.data.epg; |
| |
| import android.support.annotation.AnyThread; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.WorkerThread; |
| |
| import com.android.tv.data.Lineup; |
| import com.android.tv.data.api.Channel; |
| import com.android.tv.data.api.Program; |
| import com.android.tv.dvr.data.SeriesInfo; |
| |
| import com.google.auto.value.AutoValue; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** An interface used to retrieve the EPG data. This class should be used in worker thread. */ |
| @WorkerThread |
| public interface EpgReader { |
| |
| /** Value class that holds a EpgChannelId and its corresponding {@link Channel} */ |
| @AutoValue |
| abstract class EpgChannel { |
| public static EpgChannel createEpgChannel( |
| Channel channel, String epgChannelId, boolean dbUpdateNeeded) { |
| return new AutoValue_EpgReader_EpgChannel(channel, epgChannelId, dbUpdateNeeded); |
| } |
| |
| public abstract Channel getChannel(); |
| |
| public abstract String getEpgChannelId(); |
| |
| public abstract boolean getDbUpdateNeeded(); |
| } |
| |
| /** Checks if the reader is available. */ |
| boolean isAvailable(); |
| |
| /** |
| * Returns the timestamp of the current EPG. The format should be YYYYMMDDHHmmSS as a long |
| * value. ex) 20160308141500 |
| */ |
| long getEpgTimestamp(); |
| |
| /** Sets the region code. */ |
| void setRegionCode(String regionCode); |
| |
| /** Returns the lineups list. */ |
| List<Lineup> getLineups(@NonNull String postalCode); |
| |
| /** |
| * Returns the list of channel numbers (unsorted) for the given lineup. The result is used to |
| * choose the most appropriate lineup among others by comparing the channel numbers of the |
| * existing channels on the device. |
| */ |
| List<String> getChannelNumbers(@NonNull String lineupId); |
| |
| /** |
| * Returns the list of channels for the given lineup. The returned channels should map into the |
| * existing channels on the device. This method is usually called after selecting the lineup. |
| */ |
| Set<EpgChannel> getChannels(Set<Channel> inputChannels, @NonNull String lineupId); |
| |
| /** Pre-loads and caches channels for a given lineup. */ |
| void preloadChannels(@NonNull String lineupId); |
| |
| /** Clears cached channels for a given lineup. */ |
| @AnyThread |
| void clearCachedChannels(@NonNull String lineupId); |
| |
| /** |
| * Returns the programs for the given channel. Must call {@link #getChannels(Set, String)} |
| * beforehand. Note that the {@code Program} doesn't have valid program ID because it's not |
| * retrieved from TvProvider. |
| */ |
| List<Program> getPrograms(EpgChannel epgChannel); |
| |
| /** |
| * Returns the programs for the given channels. Note that the {@code Program} doesn't have valid |
| * program ID because it's not retrieved from TvProvider. This method is only used to get |
| * programs for a short duration typically. |
| */ |
| Map<EpgChannel, Collection<Program>> getPrograms( |
| @NonNull Set<EpgChannel> epgChannels, long duration); |
| |
| /** Returns the series information for the given series ID. */ |
| SeriesInfo getSeriesInfo(@NonNull String seriesId); |
| } |