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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.media.tv.TvInputInfo;
import android.media.tv.TvInputManager;
import android.media.tv.TvRecordingClient;
import android.os.Build;
import android.os.Handler;
import android.support.annotation.Nullable;
import android.support.annotation.VisibleForTesting;
import android.support.v4.util.ArrayMap;
import android.util.Log;
import com.android.tv.common.SoftPreconditions;
import com.android.tv.common.feature.CommonFeatures;
import com.android.tv.data.Channel;
/**
* Manages Dvr Sessions.
* Responsible for:
* <ul>
* <li>Manage DvrSession</li>
* <li>Manage capabilities (conflict)</li>
* </ul>
*/
@TargetApi(Build.VERSION_CODES.N)
public class DvrSessionManager extends TvInputManager.TvInputCallback {
//consider moving all of this to TvInputManagerHelper
private final static String TAG = "DvrSessionManager";
private static final boolean DEBUG = false;
private final Context mContext;
private final TvInputManager mTvInputManager;
private final ArrayMap<String, TvInputInfo> mRecordingTvInputs = new ArrayMap<>();
public DvrSessionManager(Context context) {
this(context, (TvInputManager) context.getSystemService(Context.TV_INPUT_SERVICE),
new Handler());
}
@VisibleForTesting
DvrSessionManager(Context context, TvInputManager tvInputManager, Handler handler) {
SoftPreconditions.checkFeatureEnabled(context, CommonFeatures.DVR, TAG);
mTvInputManager = tvInputManager;
mContext = context.getApplicationContext();
for (TvInputInfo info : tvInputManager.getTvInputList()) {
if (DEBUG) {
Log.d(TAG, info + " canRecord=" + info.canRecord() + " tunerCount=" + info
.getTunerCount());
}
if (info.canRecord()) {
mRecordingTvInputs.put(info.getId(), info);
}
}
tvInputManager.registerCallback(this, handler);
}
public TvRecordingClient createTvRecordingClient(String tag,
TvRecordingClient.RecordingCallback callback, Handler handler) {
return new TvRecordingClient(mContext, tag, callback, handler);
}
public boolean canAcquireDvrSession(String inputId, Channel channel) {
// TODO(DVR): implement checking tuner count etc.
TvInputInfo info = mRecordingTvInputs.get(inputId);
return info != null;
}
public void releaseTvRecordingClient(TvRecordingClient recordingClient) {
recordingClient.release();
}
@Override
public void onInputAdded(String inputId) {
super.onInputAdded(inputId);
TvInputInfo info = mTvInputManager.getTvInputInfo(inputId);
if (DEBUG) {
Log.d(TAG, "onInputAdded " + info.toString() + " canRecord=" + info.canRecord()
+ " tunerCount=" + info.getTunerCount());
}
if (info.canRecord()) {
mRecordingTvInputs.put(inputId, info);
}
}
@Override
public void onInputRemoved(String inputId) {
super.onInputRemoved(inputId);
if (DEBUG) Log.d(TAG, "onInputRemoved " + inputId);
mRecordingTvInputs.remove(inputId);
}
@Override
public void onInputUpdated(String inputId) {
super.onInputUpdated(inputId);
TvInputInfo info = mTvInputManager.getTvInputInfo(inputId);
if (DEBUG) {
Log.d(TAG, "onInputUpdated " + info.toString() + " canRecord=" + info.canRecord()
+ " tunerCount=" + info.getTunerCount());
}
if (info.canRecord()) {
mRecordingTvInputs.put(inputId, info);
} else {
mRecordingTvInputs.remove(inputId);
}
}
@Nullable
public TvInputInfo getTvInputInfo(String inputId) {
return mRecordingTvInputs.get(inputId);
}
}
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