support error messages in quick edit dialog

4 files changed, 36 insertions, 24 deletions

diff --git a/src/main/java/de/pixart/messenger/ui/ConferenceDetailsActivity.java b/src/main/java/de/pixart/messenger/ui/ConferenceDetailsActivity.java
index 3479e7081..94faf59ec 100644
--- a/src/main/java/de/pixart/messenger/ui/ConferenceDetailsActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/ConferenceDetailsActivity.java
@@ -223,8 +223,9 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
     private OnValueEdited onSubjectEdited = new OnValueEdited() {
 
         @Override
-        public void onValueEdited(String value) {
+        public String onValueEdited(String value) {
             xmppConnectionService.pushSubjectToConference(mConversation, value);
+            return null;
         }
     };
 
@@ -274,8 +275,12 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
                         new OnValueEdited() {
 
                             @Override
-                            public void onValueEdited(String value) {
-                                xmppConnectionService.renameInMuc(mConversation, value, renameCallback);
+                            public String onValueEdited(String value) {
+                                if (xmppConnectionService.renameInMuc(mConversation, value, renameCallback)) {
+                                    return null;
+                                } else {
+                                    return getString(R.string.invalid_username);
+                                }
                             }
                         });
             }
diff --git a/src/main/java/de/pixart/messenger/ui/ContactDetailsActivity.java b/src/main/java/de/pixart/messenger/ui/ContactDetailsActivity.java
index e42f6b49b..38a7689bf 100644
--- a/src/main/java/de/pixart/messenger/ui/ContactDetailsActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/ContactDetailsActivity.java
@@ -343,11 +343,11 @@ public class ContactDetailsActivity extends OmemoActivity implements OnAccountUp
                     quickEdit(contact.getDisplayName(), 0, new OnValueEdited() {
 
                         @Override
-                        public void onValueEdited(String value) {
+                        public String onValueEdited(String value) {
                             contact.setServerName(value);
-                            ContactDetailsActivity.this.xmppConnectionService
-                                    .pushContactToServer(contact);
+                            ContactDetailsActivity.this.xmppConnectionService.pushContactToServer(contact);
                             populateView();
+                            return null;
                         }
                     });
                 } else {
diff --git a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
index 1cbf8c1eb..5413dcf6f 100644
--- a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
+++ b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
@@ -139,9 +139,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
             activity.quickPasswordEdit(password, new OnValueEdited() {
 
                 @Override
-                public void onValueEdited(String value) {
-                    activity.xmppConnectionService.providePasswordForMuc(
-                            conversation, value);
+                public String onValueEdited(String value) {
+                    activity.xmppConnectionService.providePasswordForMuc(conversation, value);
+                    return null;
                 }
             });
         }
diff --git a/src/main/java/de/pixart/messenger/ui/XmppActivity.java b/src/main/java/de/pixart/messenger/ui/XmppActivity.java
index 568fe4d16..d12d3aa01 100644
--- a/src/main/java/de/pixart/messenger/ui/XmppActivity.java
+++ b/src/main/java/de/pixart/messenger/ui/XmppActivity.java
@@ -172,11 +172,11 @@ public abstract class XmppActivity extends Activity {
     abstract protected void refreshUiReal();
 
     protected interface OnValueEdited {
-        public void onValueEdited(String value);
+        String onValueEdited(String value);
     }
 
     public interface OnPresenceSelected {
-        public void onPresenceSelected();
+        void onPresenceSelected();
     }
 
     protected ServiceConnection mConnection = new ServiceConnection() {
@@ -744,22 +744,12 @@ public abstract class XmppActivity extends Activity {
         AlertDialog.Builder builder = new AlertDialog.Builder(this);
         View view = getLayoutInflater().inflate(R.layout.quickedit, null);
         final EditText editor = view.findViewById(R.id.editor);
-        OnClickListener mClickListener = new OnClickListener() {
-
-            @Override
-            public void onClick(DialogInterface dialog, int which) {
-                String value = editor.getText().toString();
-                if (!value.equals(previousValue) && value.trim().length() > 0) {
-                    callback.onValueEdited(value);
-                }
-            }
-        };
         if (password) {
             editor.setInputType(InputType.TYPE_CLASS_TEXT
                     | InputType.TYPE_TEXT_VARIATION_PASSWORD);
-            builder.setPositiveButton(R.string.accept, mClickListener);
+            builder.setPositiveButton(R.string.accept, null);
         } else {
-            builder.setPositiveButton(R.string.ok, mClickListener);
+            builder.setPositiveButton(R.string.ok, null);
         }
         if (hint != 0) {
             editor.setHint(hint);
@@ -771,7 +761,24 @@ public abstract class XmppActivity extends Activity {
         }
         builder.setView(view);
         builder.setNegativeButton(R.string.cancel, null);
-        builder.create().show();
+        final AlertDialog dialog = builder.create();
+        dialog.show();
+        View.OnClickListener clickListener = new View.OnClickListener() {
+
+            @Override
+            public void onClick(View v) {
+                String value = editor.getText().toString();
+                if (!value.equals(previousValue) && value.trim().length() > 0) {
+                    String error = callback.onValueEdited(value);
+                    if (error != null) {
+                        editor.setError(error);
+                        return;
+                    }
+                }
+                dialog.dismiss();
+            }
+        };
+        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
     }
 
     public boolean hasStoragePermission(int requestCode) {