From 6aa6d0e9113df31a5939c9bb19cc062256b791df Mon Sep 17 00:00:00 2001
From: Christian Pauly <christian-pauly@posteo.de>
Date: Fri, 10 Apr 2020 18:25:47 +0200
Subject: [PATCH] Open file in web

---
 lib/utils/matrix_file_extension.dart | 19 ++++++++++++++++++-
 pubspec.lock                         |  4 ++--
 pubspec.yaml                         |  1 +
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/lib/utils/matrix_file_extension.dart b/lib/utils/matrix_file_extension.dart
index 29927e2..78ea6e9 100644
--- a/lib/utils/matrix_file_extension.dart
+++ b/lib/utils/matrix_file_extension.dart
@@ -1,15 +1,32 @@
 import 'dart:io';
 
 import 'package:famedlysdk/famedlysdk.dart';
+import 'package:flutter/foundation.dart';
 import 'package:open_file/open_file.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:universal_html/prefer_universal/html.dart' as html;
+import 'package:mime_type/mime_type.dart';
 
 extension MatrixFileExtension on MatrixFile {
   void open() async {
     Directory tempDir = await getTemporaryDirectory();
     final file = File(tempDir.path + "/" + path.split("/").last);
     file.writeAsBytesSync(bytes);
-    await OpenFile.open(file.path);
+    if (kIsWeb) {
+      final fileName = path.split('/').last;
+      final mimeType = mime(fileName);
+      var element = html.document.createElement('a');
+      element.setAttribute(
+          'href', html.Url.createObjectUrlFromBlob(html.Blob([bytes])));
+      element.setAttribute('target', "new");
+      element.setAttribute('type', mimeType);
+      element.style.display = 'none';
+      html.document.body.append(element);
+      element.click();
+      element.remove();
+    } else {
+      await OpenFile.open(file.path);
+    }
     return;
   }
 }
diff --git a/pubspec.lock b/pubspec.lock
index eb76e15..ddaa982 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -348,12 +348,12 @@ packages:
     source: hosted
     version: "0.9.6+3"
   mime_type:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: mime_type
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.4"
+    version: "0.2.7"
   multi_server_socket:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 6a0becf..fd85e38 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -52,6 +52,7 @@ dependencies:
   photo_view: ^0.9.2
   flutter_sound: ^2.1.1
   open_file: ^3.0.1
+  mime_type: ^0.2.7
 
   intl: ^0.16.0
   intl_translation: ^0.17.9