TF-1994 Enable long press to copy an email address in email view

(cherry picked from commit 8af88c0091f7e3489a641fb798fbe96c27a2c5fa)

lib/features/base/widget/material_text_button.dart

@@ -3,11 +3,13 @@ import 'package:core/presentation/extensions/color_extension.dart';
 import 'package:flutter/material.dart';
 
 typedef OnTapMaterialTextButton = Function();
+typedef OnLongPressMaterialTextButton = Function();
 
 class MaterialTextButton extends StatelessWidget {
 
   final String label;
   final OnTapMaterialTextButton? onTap;
+  final OnLongPressMaterialTextButton? onLongPress;
   final double borderRadius;
   final Color? labelColor;
   final double labelSize;
@@ -21,6 +23,7 @@ class MaterialTextButton extends StatelessWidget {
     Key? key,
     required this.label,
     required this.onTap,
+    this.onLongPress,
     this.borderRadius = 12,
     this.labelColor,
     this.labelSize = 15,
@@ -37,6 +40,7 @@ class MaterialTextButton extends StatelessWidget {
       color: Colors.transparent,
       child: InkWell(
         onTap: onTap,
+        onLongPress: onLongPress,
         customBorder: RoundedRectangleBorder(borderRadius: BorderRadius.circular(borderRadius)),
         child: Padding(
           padding: padding ?? const EdgeInsets.symmetric(horizontal: 8, vertical: 5),

lib/features/email/presentation/controller/single_email_controller.dart

@@ -72,6 +72,7 @@ import 'package:tmail_ui_user/main/routes/dialog_router.dart';
 import 'package:tmail_ui_user/main/routes/navigation_router.dart';
 import 'package:tmail_ui_user/main/routes/route_navigation.dart';
 import 'package:tmail_ui_user/main/routes/route_utils.dart';
+import 'package:tmail_ui_user/main/utils/app_utils.dart';
 import 'package:uuid/uuid.dart';
 
 class SingleEmailController extends BaseController with AppLoaderMixin {
@@ -950,12 +951,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
 
   void copyEmailAddress(BuildContext context, EmailAddress emailAddress) {
     popBack();
-
-    Clipboard.setData(ClipboardData(text: emailAddress.emailAddress)).then((_){
-      ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(content: Text(AppLocalizations.of(context).email_address_copied_to_clipboard))
-      );
-    });
+    AppUtils.copyEmailAddressToClipboard(context, emailAddress.emailAddress);
   }
 
   void composeEmailFromEmailAddress(EmailAddress emailAddress) {

lib/features/email/presentation/widgets/email_receiver_builder.dart

@@ -17,6 +17,7 @@ import 'package:tmail_ui_user/features/base/widget/material_text_button.dart';
 import 'package:tmail_ui_user/features/composer/presentation/extensions/prefix_email_address_extension.dart';
 import 'package:tmail_ui_user/features/email/presentation/controller/single_email_controller.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+import 'package:tmail_ui_user/main/utils/app_utils.dart';
 
 class EmailReceiverBuilder extends StatelessWidget {
 
@@ -190,6 +191,9 @@ class EmailReceiverBuilder extends StatelessWidget {
           ? emailAddress.asString()
           : '${emailAddress.asString()},',
         onTap: () => controller.openEmailAddressDialog(context, emailAddress),
+        onLongPress: () {
+          AppUtils.copyEmailAddressToClipboard(context, emailAddress.emailAddress);
+        },
         borderRadius: 8,
         labelColor: Colors.black,
         labelSize: 16,

lib/features/email/presentation/widgets/email_sender_builder.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email_address.dart';
 import 'package:model/extensions/email_address_extension.dart';
 import 'package:tmail_ui_user/features/base/widget/material_text_button.dart';
+import 'package:tmail_ui_user/main/utils/app_utils.dart';
 
 typedef OnOpenEmailAddressDetailAction = Function(BuildContext context, EmailAddress emailAddress);
 
@@ -32,6 +33,9 @@ class EmailSenderBuilder extends StatelessWidget {
             MaterialTextButton(
               label: emailAddress.displayName,
               onTap: () => openEmailAddressDetailAction?.call(context, emailAddress),
+              onLongPress: () {
+                AppUtils.copyEmailAddressToClipboard(context, emailAddress.emailAddress);
+              },
               borderRadius: 8,
               padding: const EdgeInsets.all(3),
               labelSize: 20,
@@ -45,6 +49,9 @@ class EmailSenderBuilder extends StatelessWidget {
             child: MaterialTextButton(
               label: '<${emailAddress.emailAddress}>',
               onTap: () => openEmailAddressDetailAction?.call(context, emailAddress),
+              onLongPress: () {
+                AppUtils.copyEmailAddressToClipboard(context, emailAddress.emailAddress);
+              },
               borderRadius: 8,
               padding: const EdgeInsets.all(3),
               labelSize: 16,

lib/main/utils/app_utils.dart

@@ -1,6 +1,8 @@
 import 'package:core/utils/platform_info.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_dotenv/flutter_dotenv.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
 import 'package:tmail_ui_user/main/utils/app_config.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:intl/intl.dart' as intl;
@@ -38,4 +40,12 @@ class AppUtils {
   static bool isEmailLocalhost(String email) {
     return  RegExp(r'^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@localhost$').hasMatch(email);
   }
+
+  static void copyEmailAddressToClipboard(BuildContext context, String emailAddress) {
+    Clipboard.setData(ClipboardData(text: emailAddress)).then((_){
+      ScaffoldMessenger.maybeOf(context)?.showSnackBar(
+        SnackBar(content: Text(AppLocalizations.of(context).email_address_copied_to_clipboard))
+      );
+    });
+  }
 }