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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.dvr;
import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build;
import android.support.annotation.MainThread;
import android.util.ArraySet;
import android.util.Log;
import com.android.tv.common.SoftPreconditions;
import com.android.tv.common.feature.CommonFeatures;
import com.android.tv.common.recording.RecordedProgram;
import com.android.tv.util.Clock;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* Base implementation of @{link DataManagerInternal}.
*/
@MainThread
@TargetApi(Build.VERSION_CODES.N)
public abstract class BaseDvrDataManager implements WritableDvrDataManager {
private final static String TAG = "BaseDvrDataManager";
private final static boolean DEBUG = false;
protected final Clock mClock;
private final Set<ScheduledRecordingListener> mScheduledRecordingListeners = new ArraySet<>();
private final Set<RecordedProgramListener> mRecordedProgramListeners = new ArraySet<>();
BaseDvrDataManager(Context context, Clock clock) {
SoftPreconditions.checkFeatureEnabled(context, CommonFeatures.DVR, TAG);
mClock = clock;
}
@Override
public final void addScheduledRecordingListener(ScheduledRecordingListener listener) {
mScheduledRecordingListeners.add(listener);
}
@Override
public final void removeScheduledRecordingListener(ScheduledRecordingListener listener) {
mScheduledRecordingListeners.remove(listener);
}
@Override
public final void addRecordedProgramListener(RecordedProgramListener listener) {
mRecordedProgramListeners.add(listener);
}
@Override
public final void removeRecordedProgramListener(RecordedProgramListener listener) {
mRecordedProgramListeners.remove(listener);
}
/**
* Calls {@link RecordedProgramListener#onRecordedProgramAdded(RecordedProgram)}
* for each listener.
*/
protected final void notifyRecordedProgramAdded(RecordedProgram recordedProgram) {
for (RecordedProgramListener l : mRecordedProgramListeners) {
if (DEBUG) Log.d(TAG, "notify " + l + "added " + recordedProgram);
l.onRecordedProgramAdded(recordedProgram);
}
}
/**
* Calls {@link RecordedProgramListener#onRecordedProgramChanged(RecordedProgram)}
* for each listener.
*/
protected final void notifyRecordedProgramChanged(RecordedProgram recordedProgram) {
for (RecordedProgramListener l : mRecordedProgramListeners) {
if (DEBUG) Log.d(TAG, "notify " + l + "changed " + recordedProgram);
l.onRecordedProgramChanged(recordedProgram);
}
}
/**
* Calls {@link RecordedProgramListener#onRecordedProgramRemoved(RecordedProgram)}
* for each listener.
*/
protected final void notifyRecordedProgramRemoved(RecordedProgram recordedProgram) {
for (RecordedProgramListener l : mRecordedProgramListeners) {
if (DEBUG) Log.d(TAG, "notify " + l + "removed " + recordedProgram);
l.onRecordedProgramRemoved(recordedProgram);
}
}
/**
* Calls {@link ScheduledRecordingListener#onScheduledRecordingAdded(ScheduledRecording)}
* for each listener.
*/
protected final void notifyScheduledRecordingAdded(ScheduledRecording scheduledRecording) {
for (ScheduledRecordingListener l : mScheduledRecordingListeners) {
if (DEBUG) Log.d(TAG, "notify " + l + "added " + scheduledRecording);
l.onScheduledRecordingAdded(scheduledRecording);
}
}
/**
* Calls {@link ScheduledRecordingListener#onScheduledRecordingRemoved(ScheduledRecording)}
* for each listener.
*/
protected final void notifyScheduledRecordingRemoved(ScheduledRecording scheduledRecording) {
for (ScheduledRecordingListener l : mScheduledRecordingListeners) {
if (DEBUG) {
Log.d(TAG, "notify " + l + "removed " + scheduledRecording);
}
l.onScheduledRecordingRemoved(scheduledRecording);
}
}
/**
* Calls
* {@link ScheduledRecordingListener#onScheduledRecordingStatusChanged(ScheduledRecording)}
* for each listener.
*/
protected final void notifyScheduledRecordingStatusChanged(
ScheduledRecording scheduledRecording) {
for (ScheduledRecordingListener l : mScheduledRecordingListeners) {
if (DEBUG) Log.d(TAG, "notify " + l + "changed " + scheduledRecording);
l.onScheduledRecordingStatusChanged(scheduledRecording);
}
}
/**
* Returns a new list with only {@link ScheduledRecording} with a {@link
* ScheduledRecording#getEndTimeMs() endTime} after now.
*/
private List<ScheduledRecording> filterEndTimeIsPast(List<ScheduledRecording> originals) {
List<ScheduledRecording> results = new ArrayList<>(originals.size());
for (ScheduledRecording r : originals) {
if (r.getEndTimeMs() > mClock.currentTimeMillis()) {
results.add(r);
}
}
return results;
}
@Override
public List<ScheduledRecording> getStartedRecordings() {
return filterEndTimeIsPast(
getRecordingsWithState(ScheduledRecording.STATE_RECORDING_IN_PROGRESS));
}
@Override
public List<ScheduledRecording> getNonStartedScheduledRecordings() {
return filterEndTimeIsPast(
getRecordingsWithState(ScheduledRecording.STATE_RECORDING_NOT_STARTED));
}
protected abstract List<ScheduledRecording> getRecordingsWithState(int state);
}
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