content: /*
   * Copyright (C) 2014 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.google.android.exoplayer2.util;
  
  import android.os.Handler;
  import android.os.Handler.Callback;
  import android.os.Looper;
  import android.support.annotation.Nullable;
  
  /**
   * The standard implementation of {@link Clock}.
   */
  /* package */ final class SystemClock implements Clock {
  
    @Override
    public long elapsedRealtime() {
      return android.os.SystemClock.elapsedRealtime();
    }
  
    @Override
    public long uptimeMillis() {
      return android.os.SystemClock.uptimeMillis();
    }
  
    @Override
    public void sleep(long sleepTimeMs) {
      android.os.SystemClock.sleep(sleepTimeMs);
    }
  
    @Override
    public HandlerWrapper createHandler(Looper looper, @Nullable Callback callback) {
      return new SystemHandlerWrapper(new Handler(looper, callback));
    }
  }
  