1 files changed, 83 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/source/ForwardingTimeline.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/source/ForwardingTimeline.java
new file mode 100644
index 0000000000..ce985708d0
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/source/ForwardingTimeline.java
@@ -0,0 +1,83 @@
+/*
+ * 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 org.mozilla.thirdparty.com.google.android.exoplayer2.source;
+
+import org.mozilla.thirdparty.com.google.android.exoplayer2.Player;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.Timeline;
+
+/**
+ * An overridable {@link Timeline} implementation forwarding all methods to another timeline.
+ */
+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);
+  }
+}