1 files changed, 81 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/text/ttml/TtmlSubtitle.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/text/ttml/TtmlSubtitle.java
new file mode 100644
index 0000000000..52bd389818
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/text/ttml/TtmlSubtitle.java
@@ -0,0 +1,81 @@
+/*
+ * 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 org.mozilla.thirdparty.com.google.android.exoplayer2.text.ttml;
+
+import androidx.annotation.VisibleForTesting;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.C;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.text.Cue;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.text.Subtitle;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.Util;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * A representation of a TTML subtitle.
+ */
+/* package */ final class TtmlSubtitle implements Subtitle {
+
+  private final TtmlNode root;
+  private final long[] eventTimesUs;
+  private final Map<String, TtmlStyle> globalStyles;
+  private final Map<String, TtmlRegion> regionMap;
+  private final Map<String, String> imageMap;
+
+  public TtmlSubtitle(
+      TtmlNode root,
+      Map<String, TtmlStyle> globalStyles,
+      Map<String, TtmlRegion> regionMap,
+      Map<String, String> imageMap) {
+    this.root = root;
+    this.regionMap = regionMap;
+    this.imageMap = imageMap;
+    this.globalStyles =
+        globalStyles != null ? Collections.unmodifiableMap(globalStyles) : Collections.emptyMap();
+    this.eventTimesUs = root.getEventTimesUs();
+  }
+
+  @Override
+  public int getNextEventTimeIndex(long timeUs) {
+    int index = Util.binarySearchCeil(eventTimesUs, timeUs, false, false);
+    return index < eventTimesUs.length ? index : C.INDEX_UNSET;
+  }
+
+  @Override
+  public int getEventTimeCount() {
+    return eventTimesUs.length;
+  }
+
+  @Override
+  public long getEventTime(int index) {
+    return eventTimesUs[index];
+  }
+
+  @VisibleForTesting
+  /* package */ TtmlNode getRoot() {
+    return root;
+  }
+
+  @Override
+  public List<Cue> getCues(long timeUs) {
+    return root.getCues(timeUs, globalStyles, regionMap, imageMap);
+  }
+
+  @VisibleForTesting
+  /* package */ Map<String, TtmlStyle> getGlobalStyles() {
+    return globalStyles;
+  }
+}