From 7937df603abe3681c1b4b41edf7221a497e4b3fe Mon Sep 17 00:00:00 2001
From: gianlucaparadise <gianlucaparadise@gmail.com>
Date: Thu, 10 Feb 2022 06:10:31 +0100
Subject: [PATCH] Append items to queue in sample

---
 example/lib/main.dart                         | 20 +++-
 .../lib/media_load_request_data_helper.dart   | 99 +++++++++++++++----
 2 files changed, 97 insertions(+), 22 deletions(-)

diff --git a/example/lib/main.dart b/example/lib/main.dart
index e74c136..b44037f 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -113,7 +113,7 @@ class _MyAppState extends State<MyApp> {
   }
 
   void _onCastVideo() {
-    final request = getMediaLoadRequestData();
+    final request = getMediaLoadRequestData(mainVideo);
     castFramework.castContext.sessionManager.remoteMediaClient.load(request);
   }
 
@@ -139,6 +139,14 @@ class _MyAppState extends State<MyApp> {
     );
   }
 
+  void _appendToQueue() {
+    final sessionManager = castFramework.castContext.sessionManager;
+    for (var video in otherVideos) {
+      final item = getMediaQueueItem(video);
+      sessionManager.remoteMediaClient.queueAppendItem(item);
+    }
+  }
+
   Widget _buildTitle(String text) {
     return Padding(
       padding: const EdgeInsets.all(8.0),
@@ -210,10 +218,18 @@ class _MyAppState extends State<MyApp> {
                 onPressed: _hasMedia ? _openExpandedControls : null,
               ),
             ),
+            _buildTitle("Queue"),
             Padding(
               padding: const EdgeInsets.all(8.0),
               child: ElevatedButton(
-                child: Text('Queue'),
+                child: Text("Append to Queue"),
+                onPressed: _hasSession ? _appendToQueue : null,
+              ),
+            ),
+            Padding(
+              padding: const EdgeInsets.all(8.0),
+              child: ElevatedButton(
+                child: Text('Show Queue'),
                 onPressed: _hasSession ? _openQueue : null,
               ),
             ),
diff --git a/example/lib/media_load_request_data_helper.dart b/example/lib/media_load_request_data_helper.dart
index 14bbaa6..c9dfdc6 100644
--- a/example/lib/media_load_request_data_helper.dart
+++ b/example/lib/media_load_request_data_helper.dart
@@ -1,17 +1,81 @@
 import 'package:flutter_cast_framework/cast.dart';
 
-const videoUrl =
-    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/mp4/BigBuckBunny.mp4";
-const videoType = "mp4";
-const videoDuration = 596 * 1000;
-const videoThumb =
-    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/480x270/BigBuckBunny.jpg";
-const videoPoster =
-    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/780x1200/BigBuckBunny-780x1200.jpg";
+/// in seconds
+const double QUEUE_PRELOAD_TIME = 20;
 
-MediaLoadRequestData getMediaLoadRequestData() {
-  final img = WebImage()..url = videoThumb;
-  final bigImg = WebImage()..url = videoPoster;
+const mainVideo = const VideoInfo(
+  "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/mp4/BigBuckBunny.mp4",
+  "mp4",
+  596 * 1000,
+  "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/480x270/BigBuckBunny.jpg",
+  "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/780x1200/BigBuckBunny-780x1200.jpg",
+);
+
+const List<VideoInfo> otherVideos = [
+  const VideoInfo(
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/mp4/ElephantsDream.mp4",
+    "mp4",
+    653 * 1000,
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/480x270/ElephantsDream.jpg",
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/780x1200/ElephantsDream-780x1200.jpg",
+  ),
+  const VideoInfo(
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/mp4/Sintel.mp4",
+    "mp4",
+    888 * 1000,
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/480x270/Sintel.jpg",
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/780x1200/Sintel-780x1200.jpg",
+  ),
+  const VideoInfo(
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/mp4/TearsOfSteel.mp4",
+    "mp4",
+    734 * 1000,
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/480x270/TearsOfSteel.jpg",
+    "https://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/images/780x1200/TearsOfSteel-780x1200.jpg",
+  ),
+];
+
+class VideoInfo {
+  const VideoInfo(
+    this.url,
+    this.type,
+    this.duration,
+    this.thumb,
+    this.poster,
+  );
+
+  final String url;
+  final String type;
+  final int duration;
+  final String thumb;
+  final String poster;
+}
+
+MediaLoadRequestData getMediaLoadRequestData(VideoInfo video) {
+  final mediaInfo = _getMediaInfo(video);
+
+  final request = MediaLoadRequestData()
+    ..shouldAutoplay = true
+    ..currentTime = 0
+    ..mediaInfo = mediaInfo;
+
+  return request;
+}
+
+MediaQueueItem getMediaQueueItem(VideoInfo video) {
+  final mediaInfo = _getMediaInfo(video);
+
+  final request = MediaQueueItem()
+    ..media = mediaInfo
+    ..autoplay = false
+    ..preloadTime = QUEUE_PRELOAD_TIME;
+
+  return request;
+}
+
+MediaInfo _getMediaInfo(VideoInfo video) {
+  final img = WebImage()..url = video.thumb;
+  final bigImg = WebImage()..url = video.poster;
   final mediaMetadata = MediaMetadata()
     ..mediaType = MediaType.movie
     ..webImages = [
@@ -29,17 +93,12 @@ MediaLoadRequestData getMediaLoadRequestData() {
   // final mediaTracks = <MediaTrack>[mediaTrack];
 
   final mediaInfo = MediaInfo()
-    ..contentId = videoUrl
+    ..contentId = video.url
     ..streamType = StreamType.buffered
-    ..contentType = videoType
+    ..contentType = video.type
     ..mediaMetadata = mediaMetadata
     ..mediaTracks = <MediaTrack>[]
-    ..streamDuration = videoDuration;
+    ..streamDuration = video.duration;
 
-  final request = MediaLoadRequestData()
-    ..shouldAutoplay = true
-    ..currentTime = 0
-    ..mediaInfo = mediaInfo;
-
-  return request;
+  return mediaInfo;
 }