Playlist API: submit ahead some files of the playlist API CL

PiperOrigin-RevId: 283988536

extensions/ima/src/test/java/com/google/android/exoplayer2/ext/ima/FakePlayer.java

@@ -30,7 +30,6 @@ import java.util.ArrayList;
   private final Timeline.Period period;
   private final Timeline timeline;
 
-  private boolean prepared;
   @Player.State private int state;
   private boolean playWhenReady;
   private long position;
@@ -48,12 +47,10 @@ import java.util.ArrayList;
   }
 
   /** Sets the timeline on this fake player, which notifies listeners with the changed timeline. */
-  public void updateTimeline(Timeline timeline) {
+  public void updateTimeline(Timeline timeline, @TimelineChangeReason int reason) {
     for (Player.EventListener listener : listeners) {
-      listener.onTimelineChanged(
-          timeline, prepared ? TIMELINE_CHANGE_REASON_DYNAMIC : TIMELINE_CHANGE_REASON_PREPARED);
+      listener.onTimelineChanged(timeline, reason);
     }
-    prepared = true;
   }
 
   /**

extensions/ima/src/test/java/com/google/android/exoplayer2/ext/ima/ImaAdsLoaderTest.java

@@ -286,7 +286,9 @@ public class ImaAdsLoaderTest {
     public void onAdPlaybackState(AdPlaybackState adPlaybackState) {
       adPlaybackState = adPlaybackState.withAdDurationsUs(adDurationsUs);
       this.adPlaybackState = adPlaybackState;
-      fakeExoPlayer.updateTimeline(new SinglePeriodAdTimeline(contentTimeline, adPlaybackState));
+      fakeExoPlayer.updateTimeline(
+          new SinglePeriodAdTimeline(contentTimeline, adPlaybackState),
+          Player.TIMELINE_CHANGE_REASON_DYNAMIC);
     }
 
     @Override

library/core/src/main/java/com/google/android/exoplayer2/Timeline.java

@@ -905,4 +905,50 @@ public abstract class Timeline {
    * @return The unique id of the period.
    */
   public abstract Object getUidOfPeriod(int periodIndex);
+
+  @Override
+  public boolean equals(@Nullable Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (!(obj instanceof Timeline)) {
+      return false;
+    }
+    Timeline other = (Timeline) obj;
+    if (other.getWindowCount() != getWindowCount() || other.getPeriodCount() != getPeriodCount()) {
+      return false;
+    }
+    Timeline.Window window = new Timeline.Window();
+    Timeline.Period period = new Timeline.Period();
+    Timeline.Window otherWindow = new Timeline.Window();
+    Timeline.Period otherPeriod = new Timeline.Period();
+    for (int i = 0; i < getWindowCount(); i++) {
+      if (!getWindow(i, window).equals(other.getWindow(i, otherWindow))) {
+        return false;
+      }
+    }
+    for (int i = 0; i < getPeriodCount(); i++) {
+      if (!getPeriod(i, period, /* setIds= */ true)
+          .equals(other.getPeriod(i, otherPeriod, /* setIds= */ true))) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    Window window = new Window();
+    Period period = new Period();
+    int result = 7;
+    result = 31 * result + getWindowCount();
+    for (int i = 0; i < getWindowCount(); i++) {
+      result = 31 * result + getWindow(i, window).hashCode();
+    }
+    result = 31 * result + getPeriodCount();
+    for (int i = 0; i < getPeriodCount(); i++) {
+      result = 31 * result + getPeriod(i, period, /* setIds= */ true).hashCode();
+    }
+    return result;
+  }
 }

library/core/src/main/java/com/google/android/exoplayer2/source/MaskingMediaSource.java

@@ -17,6 +17,7 @@ package com.google.android.exoplayer2.source;
 
 import android.util.Pair;
 import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Timeline;
 import com.google.android.exoplayer2.Timeline.Window;
@@ -314,7 +315,8 @@ public final class MaskingMediaSource extends CompositeMediaSource<Void> {
   }
 
   /** Dummy placeholder timeline with one dynamic window with a period of indeterminate duration. */
-  private static final class DummyTimeline extends Timeline {
+  @VisibleForTesting
+  public static final class DummyTimeline extends Timeline {
 
     @Nullable private final Object tag;
 

testutils/src/main/java/com/google/android/exoplayer2/testutil/ExoHostedTest.java

@@ -141,7 +141,8 @@ public abstract class ExoHostedTest implements AnalyticsListener, HostedTest {
       pendingSchedule = null;
     }
     DrmSessionManager<FrameworkMediaCrypto> drmSessionManager = buildDrmSessionManager(userAgent);
-    player.prepare(buildSource(host, Util.getUserAgent(host, userAgent), drmSessionManager));
+    player.setMediaItem(buildSource(host, Util.getUserAgent(host, userAgent), drmSessionManager));
+    player.prepare();
   }
 
   @Override

testutils/src/main/java/com/google/android/exoplayer2/testutil/NoUidTimeline.java

+/*
+ * Copyright (C) 2019 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.testutil;
+
+import com.google.android.exoplayer2.Timeline;
+import com.google.android.exoplayer2.source.ForwardingTimeline;
+
+/**
+ * A timeline which wraps another timeline and overrides all window and period uids to 0. This is
+ * useful for testing timeline equality without taking uids into account.
+ */
+/* package */ class NoUidTimeline extends ForwardingTimeline {
+
+  /**
+   * Creates an instance.
+   *
+   * @param timeline The underlying timeline.
+   */
+  public NoUidTimeline(Timeline timeline) {
+    super(timeline);
+  }
+
+  @Override
+  public Window getWindow(int windowIndex, Window window, long defaultPositionProjectionUs) {
+    timeline.getWindow(windowIndex, window, defaultPositionProjectionUs);
+    window.uid = 0;
+    return window;
+  }
+
+  @Override
+  public Period getPeriod(int periodIndex, Period period, boolean setIds) {
+    timeline.getPeriod(periodIndex, period, setIds);
+    period.uid = 0;
+    return period;
+  }
+}