ForwardingTimeline.java
/*
* Copyright (C) 2017 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 androidx.media3.exoplayer.source;
import androidx.media3.common.Player;
import androidx.media3.common.Timeline;
import androidx.media3.common.util.UnstableApi;
/** An overridable {@link Timeline} implementation forwarding all methods to another timeline. */
@UnstableApi
public abstract class ForwardingTimeline extends Timeline {
protected final Timeline timeline;
public ForwardingTimeline(Timeline timeline) {
this.timeline = timeline;
}
@Override
public int getWindowCount() {
return timeline.getWindowCount();
}
@Override
public int getNextWindowIndex(
int windowIndex, @Player.RepeatMode int repeatMode, boolean shuffleModeEnabled) {
return timeline.getNextWindowIndex(windowIndex, repeatMode, shuffleModeEnabled);
}
@Override
public int getPreviousWindowIndex(
int windowIndex, @Player.RepeatMode int repeatMode, boolean shuffleModeEnabled) {
return timeline.getPreviousWindowIndex(windowIndex, repeatMode, shuffleModeEnabled);
}
@Override
public int getLastWindowIndex(boolean shuffleModeEnabled) {
return timeline.getLastWindowIndex(shuffleModeEnabled);
}
@Override
public int getFirstWindowIndex(boolean shuffleModeEnabled) {
return timeline.getFirstWindowIndex(shuffleModeEnabled);
}
@Override
public Window getWindow(int windowIndex, Window window, long defaultPositionProjectionUs) {
return timeline.getWindow(windowIndex, window, defaultPositionProjectionUs);
}
@Override
public int getPeriodCount() {
return timeline.getPeriodCount();
}
@Override
public Period getPeriod(int periodIndex, Period period, boolean setIds) {
return timeline.getPeriod(periodIndex, period, setIds);
}
@Override
public int getIndexOfPeriod(Object uid) {
return timeline.getIndexOfPeriod(uid);
}
@Override
public Object getUidOfPeriod(int periodIndex) {
return timeline.getUidOfPeriod(periodIndex);
}
}