Fix positioning issues with ttml regions.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=126790829

library/src/main/java/com/google/android/exoplayer/text/CuePainter.java

@@ -216,6 +216,9 @@ import android.util.Log;
     for (int i = 0; i < lineCount; i++) {
     for (int i = 0; i < lineCount; i++) {
       textWidth = Math.max((int) Math.ceil(textLayout.getLineWidth(i)), textWidth);
       textWidth = Math.max((int) Math.ceil(textLayout.getLineWidth(i)), textWidth);
     }
     }
+    if (cueSize != Cue.DIMEN_UNSET && textWidth < availableWidth) {
+      textWidth = availableWidth;
+    }
     textWidth += textPaddingX * 2;
     textWidth += textPaddingX * 2;
 
 
     int textLeft;
     int textLeft;

library/src/main/java/com/google/android/exoplayer/text/ttml/TtmlNode.java

@@ -180,7 +180,7 @@ import java.util.TreeSet;
     List<Cue> cues = new ArrayList<>();
     List<Cue> cues = new ArrayList<>();
     for (Entry<String, SpannableStringBuilder> entry : regionOutputs.entrySet()) {
     for (Entry<String, SpannableStringBuilder> entry : regionOutputs.entrySet()) {
       TtmlRegion region = regionMap.get(entry.getKey());
       TtmlRegion region = regionMap.get(entry.getKey());
-      cues.add(new Cue(cleanUpText(entry.getValue()), null, region.line, Cue.TYPE_UNSET,
+      cues.add(new Cue(cleanUpText(entry.getValue()), null, region.line, region.lineType,
           Cue.TYPE_UNSET, region.position, Cue.TYPE_UNSET, region.width));
           Cue.TYPE_UNSET, region.position, Cue.TYPE_UNSET, region.width));
     }
     }
     return cues;
     return cues;

library/src/main/java/com/google/android/exoplayer/text/ttml/TtmlParser.java

@@ -218,8 +218,8 @@ public final class TtmlParser extends SimpleSubtitleParser {
         }
         }
       }
       }
     }
     }
-    return position != Cue.DIMEN_UNSET ? new Pair<>(regionId, new TtmlRegion(position, line, width))
-        : null;
+    return position != Cue.DIMEN_UNSET ? new Pair<>(regionId, new TtmlRegion(position, line,
+        Cue.LINE_TYPE_FRACTION, width)) : null;
   }
   }
 
 
   private String[] parseStyleIds(String parentStyleIds) {
   private String[] parseStyleIds(String parentStyleIds) {

library/src/main/java/com/google/android/exoplayer/text/ttml/TtmlRegion.java

@@ -24,15 +24,17 @@ import com.google.android.exoplayer.text.Cue;
 
 
   public final float position;
   public final float position;
   public final float line;
   public final float line;
+  public final int lineType;
   public final float width;
   public final float width;
 
 
   public TtmlRegion() {
   public TtmlRegion() {
-    this(Cue.DIMEN_UNSET, Cue.DIMEN_UNSET, Cue.DIMEN_UNSET);
+    this(Cue.DIMEN_UNSET, Cue.DIMEN_UNSET, Cue.TYPE_UNSET, Cue.DIMEN_UNSET);
   }
   }
 
 
-  public TtmlRegion(float position, float line, float width) {
+  public TtmlRegion(float position, float line, int lineType, float width) {
     this.position = position;
     this.position = position;
     this.line = line;
     this.line = line;
+    this.lineType = lineType;
     this.width = width;
     this.width = width;
   }
   }