Use media item in the cast demo app

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=214750185

demos/cast/src/main/java/com/google/android/exoplayer2/castdemo/DemoUtil.java

@@ -15,8 +15,8 @@
  */
 package com.google.android.exoplayer2.castdemo;
 
+import com.google.android.exoplayer2.ext.cast.MediaItem;
 import com.google.android.exoplayer2.util.MimeTypes;
-import com.google.android.gms.cast.MediaInfo;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -31,57 +31,45 @@ import java.util.List;
   public static final String MIME_TYPE_SS = MimeTypes.APPLICATION_SS;
   public static final String MIME_TYPE_VIDEO_MP4 = MimeTypes.VIDEO_MP4;
 
-  /**
-   * The list of samples available in the cast demo app.
-   */
-  public static final List<Sample> SAMPLES;
+  /** The list of samples available in the cast demo app. */
+  public static final List<MediaItem> SAMPLES;
 
-  /**
-   * Represents a media sample.
-   */
-  public static final class Sample {
-
-    /**
-     * The uri from which the media sample is obtained.
-     */
-    public final String uri;
-    /**
-     * A descriptive name for the sample.
-     */
-    public final String name;
-    /**
-     * The mime type of the media sample, as required by {@link MediaInfo#setContentType}.
-     */
-    public final String mimeType;
+  static {
+    // App samples.
+    ArrayList<MediaItem> samples = new ArrayList<>();
+    MediaItem.Builder sampleBuilder = new MediaItem.Builder();
 
-    /**
-     * @param uri See {@link #uri}.
-     * @param name See {@link #name}.
-     * @param mimeType See {@link #mimeType}.
-     */
-    public Sample(String uri, String name, String mimeType) {
-      this.uri = uri;
-      this.name = name;
-      this.mimeType = mimeType;
-    }
+    samples.add(
+        sampleBuilder
+            .setTitle("DASH (clear,MP4,H264)")
+            .setMimeType(MIME_TYPE_DASH)
+            .setMedia("https://storage.googleapis.com/wvmedia/clear/h264/tears/tears.mpd")
+            .buildAndClear());
 
-    @Override
-    public String toString() {
-      return name;
-    }
+    samples.add(
+        sampleBuilder
+            .setTitle("Tears of Steel (HLS)")
+            .setMimeType(MIME_TYPE_HLS)
+            .setMedia(
+                "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/"
+                    + "hls/TearsOfSteel.m3u8")
+            .buildAndClear());
 
-  }
-
-  static {
-    // App samples.
-    ArrayList<Sample> samples = new ArrayList<>();
-    samples.add(new Sample("https://storage.googleapis.com/wvmedia/clear/h264/tears/tears.mpd",
-        "DASH (clear,MP4,H264)", MIME_TYPE_DASH));
-    samples.add(new Sample("https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/"
-        + "hls/TearsOfSteel.m3u8", "Tears of Steel (HLS)", MIME_TYPE_HLS));
-    samples.add(new Sample("https://html5demos.com/assets/dizzy.mp4", "Dizzy (MP4)",
-        MIME_TYPE_VIDEO_MP4));
+    samples.add(
+        sampleBuilder
+            .setTitle("HLS Basic (TS)")
+            .setMimeType(MIME_TYPE_HLS)
+            .setMedia(
+                "https://devstreaming-cdn.apple.com/videos/streaming/examples/bipbop_4x3"
+                    + "/bipbop_4x3_variant.m3u8")
+            .buildAndClear());
 
+    samples.add(
+        sampleBuilder
+            .setTitle("Dizzy (MP4)")
+            .setMimeType(MIME_TYPE_VIDEO_MP4)
+            .setMedia("https://html5demos.com/assets/dizzy.mp4")
+            .buildAndClear());
 
     SAMPLES = Collections.unmodifiableList(samples);
 

demos/cast/src/main/java/com/google/android/exoplayer2/castdemo/MainActivity.java

@@ -17,6 +17,7 @@ package com.google.android.exoplayer2.castdemo;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.support.annotation.Nullable;
 import android.support.v4.graphics.ColorUtils;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
@@ -35,18 +36,18 @@ import android.widget.ListView;
 import android.widget.TextView;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.SimpleExoPlayer;
-import com.google.android.exoplayer2.castdemo.DemoUtil.Sample;
-import com.google.android.exoplayer2.ext.cast.CastPlayer;
+import com.google.android.exoplayer2.ext.cast.MediaItem;
 import com.google.android.exoplayer2.ui.PlayerControlView;
 import com.google.android.exoplayer2.ui.PlayerView;
 import com.google.android.gms.cast.framework.CastButtonFactory;
 import com.google.android.gms.cast.framework.CastContext;
 
 /**
- * An activity that plays video using {@link SimpleExoPlayer} and {@link CastPlayer}.
+ * An activity that plays video using {@link SimpleExoPlayer} and supports casting using ExoPlayer's
+ * Cast extension.
  */
-public class MainActivity extends AppCompatActivity implements OnClickListener,
-    PlayerManager.QueuePositionListener {
+public class MainActivity extends AppCompatActivity
+    implements OnClickListener, PlayerManager.QueuePositionListener {
 
   private PlayerView localPlayerView;
   private PlayerControlView castControlView;
@@ -181,7 +182,7 @@ public class MainActivity extends AppCompatActivity implements OnClickListener,
     @Override
     public void onBindViewHolder(QueueItemViewHolder holder, int position) {
       TextView view = holder.textView;
-      view.setText(playerManager.getItem(position).name);
+      view.setText(playerManager.getItem(position).title);
       // TODO: Solve coloring using the theme's ColorStateList.
       view.setTextColor(ColorUtils.setAlphaComponent(view.getCurrentTextColor(),
            position == playerManager.getCurrentItemIndex() ? 255 : 100));
@@ -244,12 +245,19 @@ public class MainActivity extends AppCompatActivity implements OnClickListener,
 
   }
 
-  private static final class SampleListAdapter extends ArrayAdapter<Sample> {
+  private static final class SampleListAdapter extends ArrayAdapter<MediaItem> {
 
     public SampleListAdapter(Context context) {
       super(context, android.R.layout.simple_list_item_1, DemoUtil.SAMPLES);
     }
 
+    @Override
+    public View getView(int position, @Nullable View convertView, ViewGroup parent) {
+      TextView view = (TextView) super.getView(position, convertView, parent);
+      MediaItem sample = DemoUtil.SAMPLES.get(position);
+      view.setText(sample.title);
+      return view;
+    }
   }
 
 }

demos/cast/src/main/java/com/google/android/exoplayer2/castdemo/PlayerManager.java

@@ -31,8 +31,8 @@ import com.google.android.exoplayer2.RenderersFactory;
 import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.Timeline;
 import com.google.android.exoplayer2.Timeline.Period;
-import com.google.android.exoplayer2.castdemo.DemoUtil.Sample;
 import com.google.android.exoplayer2.ext.cast.CastPlayer;
+import com.google.android.exoplayer2.ext.cast.MediaItem;
 import com.google.android.exoplayer2.ext.cast.RemotePlayer;
 import com.google.android.exoplayer2.source.ConcatenatingMediaSource;
 import com.google.android.exoplayer2.source.ExtractorMediaSource;
@@ -74,7 +74,7 @@ import java.util.ArrayList;
   private final PlayerControlView castControlView;
   private final SimpleExoPlayer exoPlayer;
   private final CastPlayer castPlayer;
-  private final ArrayList<DemoUtil.Sample> mediaQueue;
+  private final ArrayList<MediaItem> mediaQueue;
   private final QueuePositionListener queuePositionListener;
   private final ConcatenatingMediaSource concatenatingMediaSource;
 
@@ -146,15 +146,15 @@ import java.util.ArrayList;
   }
 
   /**
-   * Appends {@code sample} to the media queue.
+   * Appends {@code item} to the media queue.
    *
-   * @param sample The {@link Sample} to append.
+   * @param item The {@link MediaItem} to append.
    */
-  public void addItem(Sample sample) {
-    mediaQueue.add(sample);
-    concatenatingMediaSource.addMediaSource(buildMediaSource(sample));
+  public void addItem(MediaItem item) {
+    mediaQueue.add(item);
+    concatenatingMediaSource.addMediaSource(buildMediaSource(item));
     if (currentPlayer == castPlayer) {
-      castPlayer.addItems(buildMediaQueueItem(sample));
+      castPlayer.addItems(buildMediaQueueItem(item));
     }
   }
 
@@ -171,7 +171,7 @@ import java.util.ArrayList;
    * @param position The index of the item.
    * @return The item at the given index in the media queue.
    */
-  public Sample getItem(int position) {
+  public MediaItem getItem(int position) {
     return mediaQueue.get(position);
   }
 
@@ -388,9 +388,9 @@ import java.util.ArrayList;
     }
   }
 
-  private static MediaSource buildMediaSource(DemoUtil.Sample sample) {
-    Uri uri = Uri.parse(sample.uri);
-    switch (sample.mimeType) {
+  private static MediaSource buildMediaSource(MediaItem item) {
+    Uri uri = item.media.uri;
+    switch (item.mimeType) {
       case DemoUtil.MIME_TYPE_SS:
         return new SsMediaSource.Factory(DATA_SOURCE_FACTORY).createMediaSource(uri);
       case DemoUtil.MIME_TYPE_DASH:
@@ -400,17 +400,20 @@ import java.util.ArrayList;
       case DemoUtil.MIME_TYPE_VIDEO_MP4:
         return new ExtractorMediaSource.Factory(DATA_SOURCE_FACTORY).createMediaSource(uri);
       default: {
-        throw new IllegalStateException("Unsupported type: " + sample.mimeType);
+          throw new IllegalStateException("Unsupported type: " + item.mimeType);
       }
     }
   }
 
-  private static MediaQueueItem buildMediaQueueItem(DemoUtil.Sample sample) {
+  private static MediaQueueItem buildMediaQueueItem(MediaItem item) {
     MediaMetadata movieMetadata = new MediaMetadata(MediaMetadata.MEDIA_TYPE_MOVIE);
-    movieMetadata.putString(MediaMetadata.KEY_TITLE, sample.name);
-    MediaInfo mediaInfo = new MediaInfo.Builder(sample.uri)
-        .setStreamType(MediaInfo.STREAM_TYPE_BUFFERED).setContentType(sample.mimeType)
-        .setMetadata(movieMetadata).build();
+    movieMetadata.putString(MediaMetadata.KEY_TITLE, item.title);
+    MediaInfo mediaInfo =
+        new MediaInfo.Builder(item.media.uri.toString())
+            .setStreamType(MediaInfo.STREAM_TYPE_BUFFERED)
+            .setContentType(item.mimeType)
+            .setMetadata(movieMetadata)
+            .build();
     return new MediaQueueItem.Builder(mediaInfo).build();
   }
 

extensions/cast/src/main/java/com/google/android/exoplayer2/ext/cast/CastTimeline.java

@@ -108,7 +108,7 @@ import java.util.Map;
   }
 
   @Override
-  public Object getUidOfPeriod(int periodIndex) {
+  public Integer getUidOfPeriod(int periodIndex) {
     return ids[periodIndex];
   }
 

extensions/cast/src/main/java/com/google/android/exoplayer2/ext/cast/MediaItem.java

@@ -67,9 +67,9 @@ public final class MediaItem {
       return this;
     }
 
-    /** Equivalent to {@link #setMedia(UriBundle) setMedia(new UriBundle(uri))}. */
+    /** Equivalent to {@link #setMedia(UriBundle) setMedia(new UriBundle(Uri.parse(uri)))}. */
     public Builder setMedia(String uri) {
-      return setMedia(new UriBundle(uri));
+      return setMedia(new UriBundle(Uri.parse(uri)));
     }
 
     /** See {@link MediaItem#media}. */
@@ -162,7 +162,7 @@ public final class MediaItem {
   public static final class UriBundle {
 
     /** An empty {@link UriBundle}. */
-    public static final UriBundle EMPTY = new UriBundle("");
+    public static final UriBundle EMPTY = new UriBundle(Uri.EMPTY);
 
     /** A URI. */
     public final Uri uri;
@@ -171,12 +171,12 @@ public final class MediaItem {
     public final Map<String, String> requestHeaders;
 
     /**
-     * Creates an instance from the given string with no request headers.
+     * Creates an instance with no request headers.
      *
-     * @param uriString See {@link #uri}.
+     * @param uri See {@link #uri}.
      */
-    public UriBundle(String uriString) {
-      this(Uri.parse(uriString), Collections.emptyMap());
+    public UriBundle(Uri uri) {
+      this(uri, Collections.emptyMap());
     }
 
     /**