Add Foldergram API client, likes set and playlist hand-off

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/app/src/main/java/mygram/droid/Playlist.java b/app/src/main/java/mygram/droid/Playlist.java
new file mode 100644
index 0000000..98379fb
--- /dev/null
+++ b/app/src/main/java/mygram/droid/Playlist.java
@@ -0,0 +1,49 @@
+/*
+ * mygram-droid: Android TV client for Foldergram.
+ * Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+package mygram.droid;
+
+import android.content.Context;
+import android.content.Intent;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ThreadLocalRandom;
+
+/** Hands a post list to ViewerActivity; intents cannot carry hundreds of posts. */
+final class Playlist {
+	static List<Post> posts = new ArrayList<>();
+	static int start;
+	/** Non-zero while the viewer plays endless Reels and pages for more. */
+	static int reelsSeed;
+	static int reelsPage;
+
+	private Playlist() {
+	}
+
+	static void open(Context c, List<Post> list, int startIndex) {
+		posts = new ArrayList<>(list);
+		start = startIndex;
+		reelsSeed = 0;
+		c.startActivity(new Intent(c, ViewerActivity.class));
+	}
+
+	static void openReels(Context c) {
+		posts = new ArrayList<>();
+		start = 0;
+		reelsSeed = 1 + ThreadLocalRandom.current().nextInt(1_000_000);
+		reelsPage = 0;
+		c.startActivity(new Intent(c, ViewerActivity.class));
+	}
+}