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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.tuner.util;
import android.annotation.TargetApi;
import android.content.ComponentName;
import android.content.Context;
import android.media.tv.TvInputInfo;
import android.media.tv.TvInputManager;
import android.os.Build;
import android.support.annotation.Nullable;
import android.support.v4.os.BuildCompat;
import android.util.Log;
import com.android.tv.common.feature.CommonFeatures;
import com.android.tv.tuner.R;
import com.android.tv.tuner.TunerHal;
import com.android.tv.tuner.tvinput.TunerTvInputService;
/**
* Utility class for providing tuner input info.
*/
public class TunerInputInfoUtils {
private static final String TAG = "TunerInputInfoUtils";
private static final boolean DEBUG = false;
/**
* Builds tuner input's info.
*/
@Nullable
@TargetApi(Build.VERSION_CODES.N)
public static TvInputInfo buildTunerInputInfo(Context context, boolean fromBuiltInTuner) {
int numOfDevices = TunerHal.getTunerCount(context);
if (numOfDevices == 0) {
return null;
}
TvInputInfo.Builder builder = new TvInputInfo.Builder(context, new ComponentName(context,
TunerTvInputService.class));
if (fromBuiltInTuner) {
builder.setLabel(R.string.bt_app_name);
} else {
builder.setLabel(R.string.ut_app_name);
}
try {
return builder.setCanRecord(CommonFeatures.DVR.isEnabled(context))
.setTunerCount(numOfDevices)
.build();
} catch (NullPointerException e) {
// TunerTvInputService is not enabled.
return null;
}
}
/**
* Updates tuner input's info.
*
* @param context {@link Context} instance
*/
public static void updateTunerInputInfo(Context context) {
if (BuildCompat.isAtLeastN()) {
if (DEBUG) Log.d(TAG, "updateTunerInputInfo()");
TvInputInfo info = buildTunerInputInfo(context, isBuiltInTuner(context));
if (info != null) {
((TvInputManager) context.getSystemService(Context.TV_INPUT_SERVICE))
.updateTvInputInfo(info);
if (DEBUG) {
Log.d(TAG, "TvInputInfo [" + info.loadLabel(context)
+ "] updated: " + info.toString());
}
} else {
if (DEBUG) {
Log.d(TAG, "Updating tuner input's info failed. Input is not ready yet.");
}
}
}
}
/**
* Returns if the current tuner service is for a built-in tuner.
*
* @param context {@link Context} instance
*/
public static boolean isBuiltInTuner(Context context) {
return TunerHal.getTunerType(context) == TunerHal.TUNER_TYPE_BUILT_IN;
}
}
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