Show spinner when deleting account/identity

app/src/main/java/eu/faircode/email/FragmentAccount.java

@@ -520,15 +520,17 @@ public class FragmentAccount extends FragmentEx {
 
         ibDelete.setOnClickListener(new View.OnClickListener() {
             @Override
-            public void onClick(View view) {
+            public void onClick(View v) {
                 AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
                 builder
                         .setMessage(R.string.title_account_delete)
                         .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                             @Override
                             public void onClick(DialogInterface dialog, int which) {
-                                // TODO: spinner
-                                getFragmentManager().popBackStack();
+                                Helper.setViewsEnabled(view, false);
+                                btnCheck.setEnabled(false);
+                                btnSave.setEnabled(false);
+                                pbWait.setVisibility(View.VISIBLE);
 
                                 Bundle args = new Bundle();
                                 args.putLong("id", id);
@@ -544,9 +546,15 @@ public class FragmentAccount extends FragmentEx {
                                         return null;
                                     }
 
+                                    @Override
+                                    protected void onLoaded(Bundle args, Void data) {
+                                        getFragmentManager().popBackStack();
+                                    }
+
                                     @Override
                                     protected void onException(Bundle args, Throwable ex) {
                                         Toast.makeText(getContext(), ex.toString(), Toast.LENGTH_LONG).show();
+                                        // TODO: recover from error
                                     }
                                 }.load(FragmentAccount.this, args);
                             }

app/src/main/java/eu/faircode/email/FragmentIdentity.java

@@ -302,15 +302,16 @@ public class FragmentIdentity extends FragmentEx {
 
         ibDelete.setOnClickListener(new View.OnClickListener() {
             @Override
-            public void onClick(View view) {
+            public void onClick(View v) {
                 AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
                 builder
                         .setMessage(R.string.title_identity_delete)
                         .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                             @Override
                             public void onClick(DialogInterface dialog, int which) {
-                                // TODO: spinner
-                                getFragmentManager().popBackStack();
+                                Helper.setViewsEnabled(view, false);
+                                btnSave.setEnabled(false);
+                                pbWait.setVisibility(View.VISIBLE);
 
                                 Bundle args = new Bundle();
                                 args.putLong("id", id);
@@ -323,9 +324,15 @@ public class FragmentIdentity extends FragmentEx {
                                         return null;
                                     }
 
+                                    @Override
+                                    protected void onLoaded(Bundle args, Void data) {
+                                        getFragmentManager().popBackStack();
+                                    }
+
                                     @Override
                                     protected void onException(Bundle args, Throwable ex) {
                                         Toast.makeText(getContext(), ex.toString(), Toast.LENGTH_LONG).show();
+                                        // TODO: recover from error
                                     }
                                 }.load(FragmentIdentity.this, args);
                             }

app/src/main/java/eu/faircode/email/Helper.java

@@ -31,6 +31,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.CheckBox;
 import android.widget.EditText;
+import android.widget.ImageButton;
 import android.widget.Spinner;
 
 import java.io.BufferedReader;
@@ -63,7 +64,10 @@ public class Helper {
     static void setViewsEnabled(ViewGroup view, boolean enabled) {
         for (int i = 0; i < view.getChildCount(); i++) {
             View child = view.getChildAt(i);
-            if (child instanceof Spinner || child instanceof EditText || child instanceof CheckBox)
+            if (child instanceof Spinner ||
+                    child instanceof EditText ||
+                    child instanceof CheckBox ||
+                    child instanceof ImageButton)
                 child.setEnabled(enabled);
             else if (child instanceof ViewGroup)
                 setViewsEnabled((ViewGroup) child, enabled);