content: /*
   * 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.google.android.exoplayer2.text.webvtt;
  
  import com.google.android.exoplayer2.C;
  import com.google.android.exoplayer2.text.Cue;
  import com.google.android.exoplayer2.text.Subtitle;
  import com.google.android.exoplayer2.util.Assertions;
  import java.util.Collections;
  import java.util.List;
  
  /**
   * Representation of a Webvtt subtitle embedded in a MP4 container file.
   */
  /* package */ final class Mp4WebvttSubtitle implements Subtitle {
  
    private final List<Cue> cues;
  
    public Mp4WebvttSubtitle(List<Cue> cueList) {
      cues = Collections.unmodifiableList(cueList);
    }
  
    @Override
    public int getNextEventTimeIndex(long timeUs) {
      return timeUs < 0 ? 0 : C.INDEX_UNSET;
    }
  
    @Override
    public int getEventTimeCount() {
      return 1;
    }
  
    @Override
    public long getEventTime(int index) {
      Assertions.checkArgument(index == 0);
      return 0;
    }
  
    @Override
    public List<Cue> getCues(long timeUs) {
      return timeUs >= 0 ? cues : Collections.<Cue>emptyList();
    }
  }
  