Add UI for importing and exporting megolm keys

src/settings/NeoChatSecurityPage.qml

@@ -2,10 +2,11 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 import QtQuick
-import QtQuick.Controls
+import QtQuick.Controls as QQC2
 
 import org.kde.kirigami as Kirigami
 import org.kde.kirigamiaddons.formcard as FormCard
+import org.kde.kirigamiaddons.labs.components as KirigamiComponents
 
 import org.kde.neochat
 
@@ -16,6 +17,13 @@ FormCard.FormCardPage {
 
     title: i18nc("@title", "Security")
 
+    header: KirigamiComponents.Banner {
+        id: banner
+        showCloseButton: true
+        visible: false
+        type: Kirigami.MessageType.Error
+    }
+
     FormCard.FormHeader {
         title: i18nc("@title:group", "Invitations")
     }
@@ -60,6 +68,43 @@ FormCard.FormCardPage {
         }
     }
 
+    FormCard.FormHeader {
+        visible: Controller.csSupported
+        title: i18nc("@title", "Encryption Keys")
+    }
+    FormCard.FormCard {
+        visible: Controller.csSupported
+        FormCard.FormButtonDelegate {
+            text: i18nc("@action:button", "Import Encryption Keys")
+            icon.name: "document-import"
+            onClicked: {
+                let dialog = root.QQC2.ApplicationWindow.window.pageStack.pushDialogLayer(Qt.createComponent("org.kde.neochat.settings", "ImportKeysDialog"), {
+                    connection: root.connection
+                }, {
+                    title: i18nc("@title", "Import Keys"),
+                });
+                dialog.success.connect(() => {
+                    banner.text = i18nc("@info", "Keys imported successfully");
+                    banner.type = Kirigami.MessageType.Positive;
+                    banner.visible = true;
+                });
+                banner.visible = false;
+            }
+        }
+        FormCard.FormButtonDelegate {
+            text: i18nc("@action:button", "Export Encryption Keys")
+            icon.name: "document-export"
+            onClicked: {
+                root.QQC2.ApplicationWindow.window.pageStack.pushDialogLayer(Qt.createComponent("org.kde.neochat.settings", "ExportKeysDialog"), {
+                    connection: root.connection
+                }, {
+                    title: i18nc("@title", "Export Keys")
+                });
+                banner.visible = false;
+            }
+        }
+    }
+
     Component {
         id: ignoredUsersDialogComponent
         IgnoredUsersDialog {