Only try to display images if they exist

src/notifications/Manager.cpp

@@ -24,7 +24,7 @@ NotificationsManager::cacheImage(const mtx::events::collections::TimelineEvents
 
         http::client()->download(
           url,
-          [path, url, encryptionInfo](const std::string &data,
+          [&path, url, encryptionInfo](const std::string &data,
                                       const std::string &,
                                       const std::string &,
                                       mtx::http::RequestErr err) {
@@ -53,10 +53,11 @@ NotificationsManager::cacheImage(const mtx::events::collections::TimelineEvents
                           // resize the image
                           QImage img{utils::readImage(QByteArray{temp.data()})};
 
-                          // make sure to save as PNG (because Plasma doesn't do JPEG in
-                          // notifications)
-                          //                          if (!file.fileName().endsWith(".png"))
-                          //                                  file.rename(file.fileName() + ".png");
+                          if (img.isNull())
+                          {
+                              path.clear();
+                              return;
+                          }
 
 #ifdef NHEKO_DBUS_SYS // the images in D-Bus notifications are to be 200x100 max
                           img.scaled(200, 100, Qt::KeepAspectRatio, Qt::SmoothTransformation)

src/notifications/ManagerLinux.cpp

@@ -216,12 +216,18 @@ NotificationsManager::formatNotification(const mtx::responses::Notification &not
         if (hasMarkup_) {
                 if (hasImages_ &&
                     mtx::accessors::msg_type(notification.event) == mtx::events::MessageType::Image)
+                {
+                    QString imgPath = cacheImage(notification.event);
+                    if (imgPath.isNull())
+                        return mtx::accessors::formattedBodyWithFallback(notification.event).prepend(messageLeadIn);
+                    else
                         return QString(
-                                 "<img src=\"file:///" + cacheImage(notification.event) +
+                                 "<img src=\"file:///" + imgPath +
                                  "\" alt=\"" +
                                  mtx::accessors::formattedBodyWithFallback(notification.event) +
                                  "\">")
                           .prepend(messageLeadIn);
+                }
 
                 return mtx::accessors::formattedBodyWithFallback(notification.event)
                   .prepend(messageLeadIn)

src/notifications/ManagerMac.cpp

@@ -58,6 +58,6 @@ NotificationsManager::postNotification(const mtx::responses::Notification &notif
                 const QString messageInfo =
                   (isReply ? tr("%1 replied to a message") : tr("%1 sent a message")).arg(sender);
                 objCxxPostNotification(
-                  room_name, messageInfo, formatNotification(notification), image);
+                  room_name, messageInfo, formatNotification(notification), (image != nullptr && !image->isNull()) ? image : nullptr);
         }
 }