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/*
* 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 org.mozilla.thirdparty.com.google.android.exoplayer2.util;
import android.os.Handler;
import android.os.Looper;
import androidx.annotation.Nullable;
/**
* An interface through which system clocks can be read and {@link HandlerWrapper}s created. The
* {@link #DEFAULT} implementation must be used for all non-test cases.
*/
public interface Clock {
/**
* Default {@link Clock} to use for all non-test cases.
*/
Clock DEFAULT = new SystemClock();
/** @see android.os.SystemClock#elapsedRealtime() */
long elapsedRealtime();
/** @see android.os.SystemClock#uptimeMillis() */
long uptimeMillis();
/** @see android.os.SystemClock#sleep(long) */
void sleep(long sleepTimeMs);
/**
* Creates a {@link HandlerWrapper} using a specified looper and a specified callback for handling
* messages.
*
* @see Handler#Handler(Looper, Handler.Callback)
*/
HandlerWrapper createHandler(Looper looper, @Nullable Handler.Callback callback);
}
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