| /* |
| * 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.car.radio; |
| |
| import android.annotation.Nullable; |
| import android.hardware.radio.ProgramSelector; |
| import android.hardware.radio.RadioManager; |
| import android.os.Bundle; |
| import android.support.v4.app.Fragment; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| /** |
| * A fragment that allows the user to manually input a radio station to tune to. |
| */ |
| public class ManualTunerFragment extends Fragment implements |
| ManualTunerController.ManualTunerClickListener { |
| public static final String RADIO_BAND_ARG = "radio_band_arg"; |
| |
| private static final int DEFAULT_RADIO_BAND = RadioManager.BAND_FM; |
| |
| private ManualTunerController mController; |
| private ManualTunerCompletionListener mListener; |
| |
| /** |
| * Interface for a class that will notified on completion of a manual tune. |
| */ |
| public interface ManualTunerCompletionListener { |
| /** |
| * Called when the user has finished selected a radio station on the manual tuner. If the |
| * user exits the manual tuner without a station being selected, then {@code null} will |
| * be passed to this method. |
| * |
| * @param station The {@link ProgramSelector} that was selected or {@code null} if the user |
| * exits before selecting one. |
| */ |
| void onStationSelected(@Nullable ProgramSelector sel); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| View view = inflater.inflate(R.layout.manual_tuner, container, false); |
| |
| int radioBand = getArguments().getInt(RADIO_BAND_ARG, DEFAULT_RADIO_BAND); |
| |
| mController = new ManualTunerController(getContext(), view, radioBand); |
| mController.setDoneButtonListener(this); |
| |
| return view; |
| } |
| |
| /** |
| * Sets the listener that will be notified upon completion of manual tuning functions. |
| */ |
| public void setManualTunerCompletionListener(ManualTunerCompletionListener listener) { |
| mListener = listener; |
| } |
| |
| @Override |
| public void onBack() { |
| if (mListener != null) { |
| mListener.onStationSelected(null); |
| } |
| } |
| |
| @Override |
| public void onDone(ProgramSelector sel) { |
| if (mListener != null) { |
| mListener.onStationSelected(sel); |
| } |
| } |
| |
| /** |
| * Creates a new {@link ManualTunerFragment} that is defaulted to the given radio band. |
| */ |
| public static ManualTunerFragment newInstance(int radioBand) { |
| ManualTunerFragment fragment = new ManualTunerFragment(); |
| |
| Bundle args = new Bundle(); |
| args.putInt(RADIO_BAND_ARG, radioBand); |
| fragment.setArguments(args); |
| |
| return fragment; |
| } |
| } |