fix group chat shortcuts

src/main/java/eu/siacs/conversations/services/AvatarService.java

@@ -124,6 +124,17 @@ public class AvatarService implements OnAdvancedStreamFeaturesLoaded {
 		return avatar;
 	}
 
+	public Bitmap getRoundedShortcut(final MucOptions mucOptions) {
+		final DisplayMetrics metrics = mXmppConnectionService.getResources().getDisplayMetrics();
+		final int size = Math.round(metrics.density * 48);
+		final Bitmap bitmap = get(mucOptions, size, false);
+		final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
+		final Canvas canvas = new Canvas(output);
+		final Paint paint = new Paint();
+		drawAvatar(bitmap, canvas, paint);
+		return output;
+	}
+
 	public Bitmap getRoundedShortcut(final Contact contact) {
 		return getRoundedShortcut(contact, false);
 	}
@@ -147,7 +158,7 @@ public class AvatarService implements OnAdvancedStreamFeaturesLoaded {
 		return output;
 	}
 
-	private void drawAvatar(Bitmap bitmap, Canvas canvas, Paint paint) {
+	private static void drawAvatar(Bitmap bitmap, Canvas canvas, Paint paint) {
 		final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
 		paint.setAntiAlias(true);
 		canvas.drawARGB(0, 0, 0, 0);

src/main/java/eu/siacs/conversations/services/NotificationService.java

@@ -1284,21 +1284,24 @@ public class NotificationService {
                     }
                 }
             }
+            final ShortcutInfoCompat info;
             if (conversation.getMode() == Conversation.MODE_SINGLE) {
                 final Contact contact = conversation.getContact();
                 final Uri systemAccount = contact.getSystemAccount();
                 if (systemAccount != null) {
                     mBuilder.addPerson(systemAccount.toString());
                 }
+                info = mXmppConnectionService.getShortcutService().getShortcutInfoCompat(contact);
+            } else {
+                info =
+                        mXmppConnectionService
+                                .getShortcutService()
+                                .getShortcutInfoCompat(conversation.getMucOptions());
             }
             mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
             mBuilder.setSmallIcon(R.drawable.ic_notification);
             mBuilder.setDeleteIntent(createDeleteIntent(conversation));
             mBuilder.setContentIntent(createContentIntent(conversation));
-            final ShortcutInfoCompat info =
-                    mXmppConnectionService
-                            .getShortcutService()
-                            .getShortcutInfoCompat(conversation.getContact());
             mBuilder.setShortcutInfo(info);
             if (Build.VERSION.SDK_INT >= 30) {
                 mXmppConnectionService

src/main/java/eu/siacs/conversations/services/ShortcutService.java

@@ -22,6 +22,7 @@ import java.util.List;
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.entities.Contact;
+import eu.siacs.conversations.entities.MucOptions;
 import eu.siacs.conversations.ui.StartConversationActivity;
 import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 import eu.siacs.conversations.xmpp.Jid;
@@ -109,6 +110,24 @@ public class ShortcutService {
         return builder.build();
     }
 
+    public ShortcutInfoCompat getShortcutInfoCompat(final MucOptions mucOptions) {
+        final ShortcutInfoCompat.Builder builder =
+                new ShortcutInfoCompat.Builder(xmppConnectionService, getShortcutId(mucOptions))
+                        .setShortLabel(mucOptions.getConversation().getName())
+                        .setIntent(getShortcutIntent(mucOptions))
+                        .setIsConversation();
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            builder.setIcon(
+                    IconCompat.createFromIcon(
+                            xmppConnectionService,
+                            Icon.createWithBitmap(
+                                    xmppConnectionService
+                                            .getAvatarService()
+                                            .getRoundedShortcut(mucOptions))));
+        }
+        return builder.build();
+    }
+
     @TargetApi(Build.VERSION_CODES.N_MR1)
     private ShortcutInfo getShortcutInfo(final Contact contact) {
         return getShortcutInfoCompat(contact).toShortcutInfo();
@@ -137,11 +156,39 @@ public class ShortcutService {
         return contact.getAccount().getJid().asBareJid().toEscapedString()+"#"+contact.getJid().asBareJid().toEscapedString();
     }
 
-    private Intent getShortcutIntent(Contact contact) {
+    private static String getShortcutId(final MucOptions mucOptions) {
+        final Account account = mucOptions.getAccount();
+        final Jid jid = mucOptions.getConversation().getJid();
+        return account.getJid().asBareJid().toEscapedString()
+                + "#"
+                + jid.asBareJid().toEscapedString();
+    }
+
+    private Intent getShortcutIntent(final MucOptions mucOptions) {
+        final Account account = mucOptions.getAccount();
+        return getShortcutIntent(
+                account,
+                Uri.parse(
+                        String.format(
+                                "xmpp:%s?join",
+                                mucOptions
+                                        .getConversation()
+                                        .getJid()
+                                        .asBareJid()
+                                        .toEscapedString())));
+    }
+
+    private Intent getShortcutIntent(final Contact contact) {
+        return getShortcutIntent(
+                contact.getAccount(),
+                Uri.parse("xmpp:" + contact.getJid().asBareJid().toEscapedString()));
+    }
+
+    private Intent getShortcutIntent(final Account account, final Uri uri) {
         Intent intent = new Intent(xmppConnectionService, StartConversationActivity.class);
         intent.setAction(Intent.ACTION_VIEW);
-        intent.setData(Uri.parse("xmpp:"+contact.getJid().asBareJid().toEscapedString()));
+        intent.setData(uri);
-        intent.putExtra("account",contact.getAccount().getJid().asBareJid().toString());
+        intent.putExtra("account", account.getJid().asBareJid().toString());
         intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
         return intent;
     }