Add initial video button

lib/src/widgets/toolbar.dart

@@ -17,6 +17,7 @@ import 'toolbar/link_style_button.dart';
 import 'toolbar/select_header_style_button.dart';
 import 'toolbar/toggle_check_list_button.dart';
 import 'toolbar/toggle_style_button.dart';
+import 'toolbar/video_button.dart';
 
 export 'toolbar/clear_format_button.dart';
 export 'toolbar/color_button.dart';
@@ -32,10 +33,12 @@ export 'toolbar/toggle_check_list_button.dart';
 export 'toolbar/toggle_style_button.dart';
 
 typedef OnImagePickCallback = Future<String?> Function(File file);
-typedef ImagePickImpl = Future<String?> Function(ImageSource source);
+typedef OnVideoPickCallback = Future<String?> Function(File file);
 typedef FilePickImpl = Future<String?> Function(BuildContext context);
 typedef WebImagePickImpl = Future<String?> Function(
     OnImagePickCallback onImagePickCallback);
+typedef WebVideoPickImpl = Future<String?> Function(
+    OnVideoPickCallback onImagePickCallback);
 
 // The default size of the icon of a button.
 const double kDefaultIconSize = 18;
@@ -76,6 +79,7 @@ class QuillToolbar extends StatelessWidget implements PreferredSizeWidget {
     bool multiRowsDisplay = true,
     bool showCamera = true,
     OnImagePickCallback? onImagePickCallback,
+    OnVideoPickCallback? onVideoPickCallback,
     FilePickImpl? filePickImpl,
     WebImagePickImpl? webImagePickImpl,
     Key? key,
@@ -89,7 +93,8 @@ class QuillToolbar extends StatelessWidget implements PreferredSizeWidget {
           showColorButton ||
           showBackgroundColorButton ||
           showClearFormat ||
-          onImagePickCallback != null,
+          onImagePickCallback != null ||
+          onVideoPickCallback != null,
       showHeaderStyle,
       showListNumbers || showListBullets || showListCheck || showCodeBlock,
       showQuote || showIndent,
@@ -183,6 +188,16 @@ class QuillToolbar extends StatelessWidget implements PreferredSizeWidget {
             filePickImpl: filePickImpl,
             webImagePickImpl: webImagePickImpl,
           ),
+        if (onVideoPickCallback != null)
+          VideoButton(
+            icon: Icons.movie_creation,
+            iconSize: toolbarIconSize,
+            controller: controller,
+            videoSource: ImageSource.gallery,
+            onVideoPickCallback: onVideoPickCallback,
+            filePickImpl: filePickImpl,
+            webVideoPickImpl: webImagePickImpl,
+          ),
         if (isButtonGroupShown[0] &&
             (isButtonGroupShown[1] ||
                 isButtonGroupShown[2] ||

lib/src/widgets/toolbar/image_button.dart

@@ -17,7 +17,6 @@ class ImageButton extends StatelessWidget {
     this.iconSize = kDefaultIconSize,
     this.fillColor,
     this.onImagePickCallback,
-    this.imagePickImpl,
     this.filePickImpl,
     this.webImagePickImpl,
     Key? key,
@@ -32,8 +31,6 @@ class ImageButton extends StatelessWidget {
 
   final OnImagePickCallback? onImagePickCallback;
 
-  final ImagePickImpl? imagePickImpl;
-
   final WebImagePickImpl? webImagePickImpl;
 
   final ImageSource imageSource;
@@ -60,22 +57,18 @@ class ImageButton extends StatelessWidget {
     final length = controller.selection.extentOffset - index;
 
     String? imageUrl;
-    if (imagePickImpl != null) {
-      imageUrl = await imagePickImpl!(imageSource);
+    if (kIsWeb) {
+      assert(
+          webImagePickImpl != null,
+          'Please provide webImagePickImpl for Web '
+          '(check out example directory for how to do it)');
+      imageUrl = await webImagePickImpl!(onImagePickCallback!);
+    } else if (Platform.isAndroid || Platform.isIOS) {
+      imageUrl = await _pickImage(imageSource, onImagePickCallback!);
     } else {
-      if (kIsWeb) {
-        assert(
-            webImagePickImpl != null,
-            'Please provide webImagePickImpl for Web '
-            '(check out example directory for how to do it)');
-        imageUrl = await webImagePickImpl!(onImagePickCallback!);
-      } else if (Platform.isAndroid || Platform.isIOS) {
-        imageUrl = await _pickImage(imageSource, onImagePickCallback!);
-      } else {
-        assert(filePickImpl != null, 'Desktop must provide filePickImpl');
-        imageUrl = await _pickImageDesktop(
-            context, filePickImpl!, onImagePickCallback!);
-      }
+      assert(filePickImpl != null, 'Desktop must provide filePickImpl');
+      imageUrl =
+          await _pickImageDesktop(context, filePickImpl!, onImagePickCallback!);
     }
 
     if (imageUrl != null) {

lib/src/widgets/toolbar/video_button.dart

@@ -0,0 +1,99 @@
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+
+import '../../models/documents/nodes/embed.dart';
+import '../controller.dart';
+import '../toolbar.dart';
+import 'quill_icon_button.dart';
+
+class VideoButton extends StatelessWidget {
+  const VideoButton({
+    required this.icon,
+    required this.controller,
+    required this.videoSource,
+    this.iconSize = kDefaultIconSize,
+    this.fillColor,
+    this.onVideoPickCallback,
+    this.filePickImpl,
+    this.webVideoPickImpl,
+    Key? key,
+  }) : super(key: key);
+
+  final IconData icon;
+  final double iconSize;
+
+  final Color? fillColor;
+
+  final QuillController controller;
+
+  final OnVideoPickCallback? onVideoPickCallback;
+
+  final WebVideoPickImpl? webVideoPickImpl;
+
+  final ImageSource videoSource;
+
+  final FilePickImpl? filePickImpl;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return QuillIconButton(
+      icon: Icon(icon, size: iconSize, color: theme.iconTheme.color),
+      highlightElevation: 0,
+      hoverElevation: 0,
+      size: iconSize * 1.77,
+      fillColor: fillColor ?? theme.canvasColor,
+      onPressed: () => _handleVideoButtonTap(context, filePickImpl),
+    );
+  }
+
+  Future<void> _handleVideoButtonTap(BuildContext context,
+      [FilePickImpl? filePickImpl]) async {
+    final index = controller.selection.baseOffset;
+    final length = controller.selection.extentOffset - index;
+
+    String? videoUrl;
+    if (kIsWeb) {
+      assert(
+          webVideoPickImpl != null,
+          'Please provide webVideoPickImpl for Web '
+          '(check out example directory for how to do it)');
+      videoUrl = await webVideoPickImpl!(onVideoPickCallback!);
+    } else if (Platform.isAndroid || Platform.isIOS) {
+      videoUrl = await _pickVideo(videoSource, onVideoPickCallback!);
+    } else {
+      assert(filePickImpl != null, 'Desktop must provide filePickImpl');
+      videoUrl =
+          await _pickVideoDesktop(context, filePickImpl!, onVideoPickCallback!);
+    }
+
+    if (videoUrl != null) {
+      controller.replaceText(index, length, BlockEmbed.video(videoUrl), null);
+    }
+  }
+
+  Future<String?> _pickVideo(
+      ImageSource source, OnVideoPickCallback onVideoPickCallback) async {
+    final pickedFile = await ImagePicker().getVideo(source: source);
+    if (pickedFile == null) {
+      return null;
+    }
+
+    return onVideoPickCallback(File(pickedFile.path));
+  }
+
+  Future<String?> _pickVideoDesktop(
+      BuildContext context,
+      FilePickImpl filePickImpl,
+      OnVideoPickCallback onVideoPickCallback) async {
+    final filePath = await filePickImpl(context);
+    if (filePath == null || filePath.isEmpty) return null;
+
+    final file = File(filePath);
+    return onVideoPickCallback(file);
+  }
+}