From e1c34e92a801d03c77e7f52d733e148f153475ba Mon Sep 17 00:00:00 2001
From: Daniel Lucas Silva <dluc18@gmail.com>
Date: Tue, 3 Aug 2021 07:43:55 -0300
Subject: [PATCH 1/2] Add gesture recognizer for link attributes

---
 packages/zefyr/lib/src/widgets/common.dart | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/packages/zefyr/lib/src/widgets/common.dart b/packages/zefyr/lib/src/widgets/common.dart
index 2e5cbc4f9..8f5e73344 100644
--- a/packages/zefyr/lib/src/widgets/common.dart
+++ b/packages/zefyr/lib/src/widgets/common.dart
@@ -5,7 +5,9 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
+import 'package:flutter/gestures.dart';
 import 'package:notus/notus.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 import 'editable_box.dart';
 import 'horizontal_rule.dart';
@@ -36,6 +38,13 @@ class ZefyrLine extends StatefulWidget {
 
 class _ZefyrLineState extends State<ZefyrLine> {
   final LayerLink _link = LayerLink();
+  TapGestureRecognizer _recognizer;
+
+  @override
+  void dispose() {
+    _recognizer?.dispose();
+    super.dispose();
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -131,6 +140,24 @@ class _ZefyrLineState extends State<ZefyrLine> {
     final TextNode segment = node;
     final attrs = segment.style;
 
+    if (attrs.contains(NotusAttribute.link)) {
+      _recognizer ??= TapGestureRecognizer();
+
+      _recognizer.onTap = () async {
+        final url = attrs.value(NotusAttribute.link);
+
+        await canLaunch(url).then((isOk) {
+          if (isOk) launch(url);
+        });
+      };
+
+      return TextSpan(
+        text: segment.value,
+        style: _getTextStyle(attrs, theme),
+        recognizer: _recognizer,
+      );
+    }
+
     return TextSpan(
       text: segment.value,
       style: _getTextStyle(attrs, theme),

From 53c24589f45016e48c73460a39f267f0b808d036 Mon Sep 17 00:00:00 2001
From: Daniel Lucas Silva <dluc18@gmail.com>
Date: Tue, 3 Aug 2021 07:46:57 -0300
Subject: [PATCH 2/2] Adding other schemes for link

---
 packages/zefyr/lib/src/widgets/buttons.dart | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/packages/zefyr/lib/src/widgets/buttons.dart b/packages/zefyr/lib/src/widgets/buttons.dart
index f6378c1e4..408541f9c 100644
--- a/packages/zefyr/lib/src/widgets/buttons.dart
+++ b/packages/zefyr/lib/src/widgets/buttons.dart
@@ -10,6 +10,8 @@ import 'scope.dart';
 import 'theme.dart';
 import 'toolbar.dart';
 
+const List<String> _kSchemes = ['http', 'https', 'tel', 'whatsapp', 'mailto'];
+
 /// A button used in [ZefyrToolbar].
 ///
 /// Create an instance of this widget with [ZefyrButton.icon] or
@@ -361,10 +363,10 @@ class _LinkButtonState extends State<LinkButton> {
       if (_inputController.text.isNotEmpty) {
         try {
           var uri = Uri.parse(_inputController.text);
-          if ((uri.isScheme('https') || uri.isScheme('http')) &&
-              uri.host.isNotEmpty) {
+          if (_kSchemes.contains(uri.scheme) && uri.host.isNotEmpty) {
             toolbar.editor.formatSelection(
-                NotusAttribute.link.fromString(_inputController.text));
+              NotusAttribute.link.fromString(_inputController.text),
+            );
           } else {
             error = true;
           }