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/*
* 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.dvr.ui.list;
import android.annotation.TargetApi;
import android.content.Context;
import android.database.ContentObserver;
import android.media.tv.TvContract.Programs;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.support.v17.leanback.widget.ClassPresenterSelector;
import android.transition.Fade;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.android.tv.ApplicationSingletons;
import com.android.tv.R;
import com.android.tv.TvApplication;
import com.android.tv.data.ChannelDataManager;
import com.android.tv.data.Program;
import com.android.tv.dvr.DvrDataManager;
import com.android.tv.dvr.DvrDataManager.SeriesRecordingListener;
import com.android.tv.dvr.data.SeriesRecording;
import com.android.tv.dvr.provider.EpisodicProgramLoadTask;
import com.android.tv.dvr.ui.BigArguments;
import java.util.Collections;
import java.util.List;
/**
* A fragment to show the list of series schedule recordings.
*/
@TargetApi(Build.VERSION_CODES.N)
public class DvrSeriesSchedulesFragment extends BaseDvrSchedulesFragment {
/**
* The key for series recording whose scheduled recording list will be displayed.
* Type: {@link SeriesRecording}
*/
public static final String SERIES_SCHEDULES_KEY_SERIES_RECORDING =
"series_schedules_key_series_recording";
/**
* The key for programs which belong to the series recording whose scheduled recording list
* will be displayed.
* Type: List<{@link Program}>
*/
public static final String SERIES_SCHEDULES_KEY_SERIES_PROGRAMS =
"series_schedules_key_series_programs";
private ChannelDataManager mChannelDataManager;
private DvrDataManager mDvrDataManager;
private SeriesRecording mSeriesRecording;
private List<Program> mPrograms;
private EpisodicProgramLoadTask mProgramLoadTask;
private final SeriesRecordingListener mSeriesRecordingListener =
new SeriesRecordingListener() {
@Override
public void onSeriesRecordingAdded(SeriesRecording... seriesRecordings) { }
@Override
public void onSeriesRecordingRemoved(SeriesRecording... seriesRecordings) {
for (SeriesRecording r : seriesRecordings) {
if (r.getId() == mSeriesRecording.getId()) {
getActivity().finish();
return;
}
}
}
@Override
public void onSeriesRecordingChanged(SeriesRecording... seriesRecordings) {
for (SeriesRecording r : seriesRecordings) {
if (r.getId() == mSeriesRecording.getId()
&& getRowsAdapter() instanceof SeriesScheduleRowAdapter) {
((SeriesScheduleRowAdapter) getRowsAdapter())
.onSeriesRecordingUpdated(r);
mSeriesRecording = r;
updateEmptyMessage();
return;
}
}
}
};
private final Handler mHandler = new Handler(Looper.getMainLooper());
private final ContentObserver mContentObserver = new ContentObserver(mHandler) {
@Override
public void onChange(boolean selfChange, Uri uri) {
super.onChange(selfChange, uri);
executeProgramLoadingTask();
}
};
private final ChannelDataManager.Listener mChannelListener = new ChannelDataManager.Listener() {
@Override
public void onLoadFinished() { }
@Override
public void onChannelListUpdated() {
executeProgramLoadingTask();
}
@Override
public void onChannelBrowsableChanged() { }
};
public DvrSeriesSchedulesFragment() {
setEnterTransition(new Fade(Fade.IN));
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
Bundle args = getArguments();
if (args != null) {
mSeriesRecording = args.getParcelable(SERIES_SCHEDULES_KEY_SERIES_RECORDING);
mPrograms = (List<Program>) BigArguments.getArgument(
SERIES_SCHEDULES_KEY_SERIES_PROGRAMS);
BigArguments.reset();
}
if (args == null || mPrograms == null) {
getActivity().finish();
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ApplicationSingletons singletons = TvApplication.getSingletons(getContext());
mChannelDataManager = singletons.getChannelDataManager();
mChannelDataManager.addListener(mChannelListener);
mDvrDataManager = singletons.getDvrDataManager();
mDvrDataManager.addSeriesRecordingListener(mSeriesRecordingListener);
getContext().getContentResolver().registerContentObserver(Programs.CONTENT_URI, true,
mContentObserver);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
onProgramsUpdated();
return super.onCreateView(inflater, container, savedInstanceState);
}
private void onProgramsUpdated() {
((SeriesScheduleRowAdapter) getRowsAdapter()).setPrograms(mPrograms);
updateEmptyMessage();
}
private void updateEmptyMessage() {
if (mPrograms == null || mPrograms.isEmpty()) {
if (mSeriesRecording.getState() == SeriesRecording.STATE_SERIES_STOPPED) {
showEmptyMessage(R.string.dvr_series_schedules_stopped_empty_state);
} else {
showEmptyMessage(R.string.dvr_series_schedules_empty_state);
}
} else {
hideEmptyMessage();
}
}
@Override
public void onDestroy() {
if (mProgramLoadTask != null) {
mProgramLoadTask.cancel(true);
mProgramLoadTask = null;
}
getContext().getContentResolver().unregisterContentObserver(mContentObserver);
mHandler.removeCallbacksAndMessages(null);
mChannelDataManager.removeListener(mChannelListener);
mDvrDataManager.removeSeriesRecordingListener(mSeriesRecordingListener);
super.onDestroy();
}
@Override
public SchedulesHeaderRowPresenter onCreateHeaderRowPresenter() {
return new SchedulesHeaderRowPresenter.SeriesRecordingHeaderRowPresenter(getContext());
}
@Override
public ScheduleRowPresenter onCreateRowPresenter() {
return new SeriesScheduleRowPresenter(getContext());
}
@Override
public ScheduleRowAdapter onCreateRowsAdapter(ClassPresenterSelector presenterSelector) {
return new SeriesScheduleRowAdapter(getContext(), presenterSelector, mSeriesRecording);
}
@Override
protected int getFirstItemPosition() {
if (mSeriesRecording != null
&& mSeriesRecording.getState() == SeriesRecording.STATE_SERIES_STOPPED) {
return 0;
}
return super.getFirstItemPosition();
}
private void executeProgramLoadingTask() {
if (mProgramLoadTask != null) {
mProgramLoadTask.cancel(true);
}
mProgramLoadTask = new EpisodicProgramLoadTask(getContext(), mSeriesRecording) {
@Override
protected void onPostExecute(List<Program> programs) {
mPrograms = programs == null ? Collections.EMPTY_LIST : programs;
onProgramsUpdated();
}
};
mProgramLoadTask.setLoadCurrentProgram(true)
.setLoadDisallowedProgram(true)
.setLoadScheduledEpisode(true)
.setIgnoreChannelOption(true)
.execute();
}
}
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