From d3e5d5603e31ea0700c11333bece99b90355a644 Mon Sep 17 00:00:00 2001
From: li3317 <li3317@purdue.edu>
Date: Sat, 24 Jul 2021 18:08:05 +0800
Subject: [PATCH] can play youtube video

---
 example/android/app/build.gradle       |  2 +-
 lib/src/widgets/editor.dart            | 10 +++-
 lib/src/widgets/youtube_video_app.dart | 80 ++++++++++++++++++++++++++
 pubspec.yaml                           |  1 +
 4 files changed, 91 insertions(+), 2 deletions(-)
 create mode 100644 lib/src/widgets/youtube_video_app.dart

diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index b53f38f0..86d081d8 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -34,7 +34,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.example.app"
-        minSdkVersion 16
+        minSdkVersion 17
         targetSdkVersion 29
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
diff --git a/lib/src/widgets/editor.dart b/lib/src/widgets/editor.dart
index 02f4a4cd..774c0282 100644
--- a/lib/src/widgets/editor.dart
+++ b/lib/src/widgets/editor.dart
@@ -8,6 +8,7 @@ import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter_quill/src/widgets/youtube_video_app.dart';
 import 'package:string_validator/string_validator.dart';
 import 'package:url_launcher/url_launcher.dart';
 
@@ -109,7 +110,14 @@ Widget _defaultEmbedBuilder(
               : Image.file(io.File(imageUrl));
     case 'video':
       final videoUrl = node.value.data;
-      return VideoApp(videoUrl: videoUrl, context: context, readOnly: readOnly);
+      if (videoUrl.toString().contains('www.youtube.com') ||
+          videoUrl.toString().contains('youtu.be')) {
+        return YoutubeVideoApp(
+            videoUrl: videoUrl, context: context, readOnly: readOnly);
+      } else {
+        return VideoApp(
+            videoUrl: videoUrl, context: context, readOnly: readOnly);
+      }
     default:
       throw UnimplementedError(
         'Embeddable type "${node.value.type}" is not supported by default '
diff --git a/lib/src/widgets/youtube_video_app.dart b/lib/src/widgets/youtube_video_app.dart
new file mode 100644
index 00000000..f299f1fd
--- /dev/null
+++ b/lib/src/widgets/youtube_video_app.dart
@@ -0,0 +1,80 @@
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+import 'package:youtube_player_flutter/youtube_player_flutter.dart';
+import '../../flutter_quill.dart';
+
+class YoutubeVideoApp extends StatefulWidget {
+  const YoutubeVideoApp(
+      {required this.videoUrl, required this.context, required this.readOnly});
+
+  final String videoUrl;
+  final BuildContext context;
+  final bool readOnly;
+
+  @override
+  _YoutubeVideoAppState createState() => _YoutubeVideoAppState();
+}
+
+class _YoutubeVideoAppState extends State<YoutubeVideoApp> {
+  var _youtubeController;
+
+  @override
+  void initState() {
+    super.initState();
+    final videoId = YoutubePlayer.convertUrlToId(widget.videoUrl);
+    if (videoId != null) {
+      _youtubeController = YoutubePlayerController(
+        initialVideoId: videoId,
+        flags: const YoutubePlayerFlags(
+          autoPlay: false,
+        ),
+      );
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final defaultStyles = DefaultStyles.getInstance(context);
+    if (_youtubeController == null) {
+      print('problem with youtube video');
+      if (widget.readOnly) {
+        return RichText(
+          text: TextSpan(
+              text: widget.videoUrl,
+              style: defaultStyles.link,
+              recognizer: TapGestureRecognizer()
+                ..onTap = () => launch(widget.videoUrl)),
+        );
+      }
+
+      return RichText(
+          text: TextSpan(text: widget.videoUrl, style: defaultStyles.link));
+    }
+
+    return Container(
+      height: 300,
+      child: YoutubePlayerBuilder(
+        player: YoutubePlayer(
+          controller: _youtubeController,
+          showVideoProgressIndicator: true,
+        ),
+        builder: (context, player) {
+          return Column(
+            children: [
+              // some widgets
+              player,
+              //some other widgets
+            ],
+          );
+        },
+      ),
+    );
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+    _youtubeController.dispose();
+  }
+}
diff --git a/pubspec.yaml b/pubspec.yaml
index 27433734..add26fd5 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -24,6 +24,7 @@ dependencies:
   pedantic: ^1.11.0
   video_player: ^2.1.10
   characters: ^1.1.0
+  youtube_player_flutter: ^8.0.0
 
 dev_dependencies:
   flutter_test: