Add bufferingBuilder

Author: daniellamplnine41

lib/src/chewie_player.dart

@@ -289,6 +289,7 @@ class ChewieController extends ChangeNotifier {
     this.subtitleBuilder,
     this.customControls,
     this.errorBuilder,
+    this.bufferingBuilder,
     this.allowedScreenSleep = true,
     this.isLive = false,
     this.allowFullScreen = true,
@@ -336,6 +337,7 @@ class ChewieController extends ChangeNotifier {
     Subtitles? subtitle,
     Widget Function(BuildContext, dynamic)? subtitleBuilder,
     Widget? customControls,
+    WidgetBuilder? bufferingBuilder,
     Widget Function(BuildContext, String)? errorBuilder,
     bool? allowedScreenSleep,
     bool? isLive,
@@ -385,6 +387,7 @@ class ChewieController extends ChangeNotifier {
       subtitleBuilder: subtitleBuilder ?? this.subtitleBuilder,
       customControls: customControls ?? this.customControls,
       errorBuilder: errorBuilder ?? this.errorBuilder,
+      bufferingBuilder: bufferingBuilder ?? this.bufferingBuilder,
       allowedScreenSleep: allowedScreenSleep ?? this.allowedScreenSleep,
       isLive: isLive ?? this.isLive,
       allowFullScreen: allowFullScreen ?? this.allowFullScreen,
@@ -485,6 +488,9 @@ class ChewieController extends ChangeNotifier {
   final Widget Function(BuildContext context, String errorMessage)?
       errorBuilder;
 
+  /// When the video is buffering, you can build a custom widget.
+  final WidgetBuilder? bufferingBuilder;
+
   /// The Aspect Ratio of the Video. Important to get the correct size of the
   /// video!
   ///

lib/src/cupertino/cupertino_controls.dart

@@ -94,9 +94,10 @@ class _CupertinoControlsState extends State<CupertinoControls>
           child: Stack(
             children: [
               if (_displayBufferingIndicator)
-                const Center(
-                  child: CircularProgressIndicator(),
-                )
+                _chewieController?.bufferingBuilder?.call(context) ??
+                    const Center(
+                      child: CircularProgressIndicator(),
+                    )
               else
                 _buildHitArea(),
               Column(

lib/src/material/material_controls.dart

@@ -85,9 +85,10 @@ class _MaterialControlsState extends State<MaterialControls>
           child: Stack(
             children: [
               if (_displayBufferingIndicator)
-                const Center(
-                  child: CircularProgressIndicator(),
-                )
+                _chewieController?.bufferingBuilder?.call(context) ??
+                    const Center(
+                      child: CircularProgressIndicator(),
+                    )
               else
                 _buildHitArea(),
               _buildActionBar(),

lib/src/material/material_desktop_controls.dart

@@ -86,9 +86,10 @@ class _MaterialDesktopControlsState extends State<MaterialDesktopControls>
           child: Stack(
             children: [
               if (_displayBufferingIndicator)
-                const Center(
-                  child: CircularProgressIndicator(),
-                )
+                _chewieController?.bufferingBuilder?.call(context) ??
+                    const Center(
+                      child: CircularProgressIndicator(),
+                    )
               else
                 _buildHitArea(),
               Column(