| /* |
| * Copyright (C) 2018 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.server.timedetector; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.AlarmManager; |
| import android.app.timedetector.TimeSignal; |
| import android.util.Slog; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| |
| /** |
| * A placeholder implementation of TimeDetectorStrategy that passes NITZ suggestions immediately |
| * to {@link AlarmManager}. |
| */ |
| public final class SimpleTimeDetectorStrategy implements TimeDetectorStrategy { |
| |
| private final static String TAG = "timedetector.SimpleTimeDetectorStrategy"; |
| |
| private Callback mHelper; |
| |
| @Override |
| public void initialize(@NonNull Callback callback) { |
| mHelper = callback; |
| } |
| |
| @Override |
| public void suggestTime(@NonNull TimeSignal timeSignal) { |
| if (!TimeSignal.SOURCE_ID_NITZ.equals(timeSignal.getSourceId())) { |
| Slog.w(TAG, "Ignoring signal from unknown source: " + timeSignal); |
| return; |
| } |
| |
| mHelper.setTime(timeSignal.getUtcTime()); |
| } |
| |
| @Override |
| public void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter pw, @Nullable String[] args) { |
| // No state to dump. |
| } |
| } |