Fix #1230 Disable post sharing when OMEMO is enabled with a contact

app/widgets/SendTo/SendTo.php

@@ -77,6 +77,7 @@ class SendTo extends Base
                                        ->get());
 
         Drawer::fill('send_to_share', $view->draw('_sendto_share'));
+        $this->rpc('SendTo.init');
     }
 
     public function ajaxSend(string $to, $file, $muc = false, $message = false)
@@ -107,6 +108,7 @@ class SendTo extends Base
     {
         $contacts = $this->user->session->topContacts()->with('presence')->get();
         $this->rpc('MovimTpl.fill', '#sendto_share_contacts', $this->prepareContacts($contacts, $uri, ''));
+        $this->rpc('SendTo.init');
     }
 
     public function prepareContacts($contacts, string $uri, $openlink)

app/widgets/SendTo/_sendto_share_contacts.tpl

@@ -4,7 +4,7 @@
     </div>
 </li>
 {loop="$contacts"}
-    <li class="{if="$value->presence && $value->presence->value > 4"}faded{/if}">
+    <li class="{if="$value->presence && $value->presence->value > 4"}faded{/if}" data-jid="{$value->jid}">
         <span class="primary icon bubble small
             {if="!$value->presence || $value->presence->value > 4"}
                 disabled

app/widgets/SendTo/sendto.js

@@ -1,5 +1,15 @@
 var SendTo = {
-    shareArticle : function(link) {
+    init: function () {
+        document.querySelectorAll('#sendto_share_contacts > li[data-jid]').forEach(li => {
+            var store = new ChatOmemoStorage();
+
+            store.getContactState(li.dataset.jid).then(enabled => {
+                if (enabled) li.classList.add('disabled');
+            });
+        });
+    },
+
+    shareArticle: function (link) {
         SendTo_ajaxShareArticle(link, typeof navigator.share == 'function');
     },