1 files changed, 77 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/trackselection/TrackSelectionArray.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/trackselection/TrackSelectionArray.java
new file mode 100644
index 0000000000..7953ef354c
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/trackselection/TrackSelectionArray.java
@@ -0,0 +1,77 @@
+/*
+ * 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.trackselection;
+
+import androidx.annotation.Nullable;
+import java.util.Arrays;
+import org.checkerframework.checker.nullness.compatqual.NullableType;
+
+/** An array of {@link TrackSelection}s. */
+public final class TrackSelectionArray {
+
+  /** The length of this array. */
+  public final int length;
+
+  private final @NullableType TrackSelection[] trackSelections;
+
+  // Lazily initialized hashcode.
+  private int hashCode;
+
+  /** @param trackSelections The selections. Must not be null, but may contain null elements. */
+  public TrackSelectionArray(@NullableType TrackSelection... trackSelections) {
+    this.trackSelections = trackSelections;
+    this.length = trackSelections.length;
+  }
+
+  /**
+   * Returns the selection at a given index.
+   *
+   * @param index The index of the selection.
+   * @return The selection.
+   */
+  @Nullable
+  public TrackSelection get(int index) {
+    return trackSelections[index];
+  }
+
+  /** Returns the selections in a newly allocated array. */
+  public @NullableType TrackSelection[] getAll() {
+    return trackSelections.clone();
+  }
+
+  @Override
+  public int hashCode() {
+    if (hashCode == 0) {
+      int result = 17;
+      result = 31 * result + Arrays.hashCode(trackSelections);
+      hashCode = result;
+    }
+    return hashCode;
+  }
+
+  @Override
+  public boolean equals(@Nullable Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (obj == null || getClass() != obj.getClass()) {
+      return false;
+    }
+    TrackSelectionArray other = (TrackSelectionArray) obj;
+    return Arrays.equals(trackSelections, other.trackSelections);
+  }
+
+}