Allow dropping connections from the welcome page

This is the last piece required to make sure that we can recover from broken connections, e.g., when the access token is invalid.

src/controller.cpp

@@ -178,10 +178,12 @@ void Controller::invokeLogin()
                 }
 
                 auto connection = new NeoChatConnection(account.homeserver());
-                connect(connection, &NeoChatConnection::connected, this, [this, connection] {
+                m_connectionsLoading[accountId] = connection;
+                connect(connection, &NeoChatConnection::connected, this, [this, connection, accountId] {
                     connection->loadState();
                     addConnection(connection);
                     m_accountsLoading.removeAll(connection->userId());
+                    m_connectionsLoading.remove(accountId);
                     Q_EMIT accountsLoadingChanged();
                 });
                 connect(connection, &NeoChatConnection::networkError, this, [this](const QString &error, const QString &, int, int) {
@@ -330,3 +332,13 @@ void Controller::setTestMode(bool test)
 {
     testMode = test;
 }
+
+void Controller::removeConnection(const QString &userId)
+{
+    if (m_connectionsLoading.contains(userId) && m_connectionsLoading[userId]) {
+        auto connection = m_connectionsLoading[userId];
+        m_accountsLoading.removeAll(userId);
+        Q_EMIT accountsLoadingChanged();
+        SettingsGroup("Accounts"_ls).remove(userId);
+    }
+}

src/controller.h

@@ -96,6 +96,8 @@ public:
 
     static void setTestMode(bool testMode);
 
+    Q_INVOKABLE void removeConnection(const QString &userId);
+
 private:
     explicit Controller(QObject *parent = nullptr);
 
@@ -109,6 +111,7 @@ private:
 
     Quotient::AccountRegistry m_accountRegistry;
     QStringList m_accountsLoading;
+    QMap<QString, QPointer<Quotient::Connection>> m_connectionsLoading;
     QString m_endpoint;
 
 private Q_SLOTS:

src/qml/WelcomePage.qml

@@ -70,9 +70,45 @@ FormCard.FormCardPage {
         Repeater {
             id: loadingAccounts
             model: Controller.accountsLoading
-            delegate: FormCard.FormButtonDelegate {
+            delegate: FormCard.AbstractFormDelegate {
-                text: i18nc("As in 'this account is still loading'", "%1 (loading)", modelData)
+                id: loadingDelegate
-                enabled: false
+
+                topPadding: Kirigami.Units.smallSpacing
+                bottomPadding: Kirigami.Units.smallSpacing
+
+                background: null
+                contentItem: RowLayout {
+                    spacing: 0
+
+                    QQC2.Label {
+                        Layout.fillWidth: true
+                        text: i18nc("As in 'this account is still loading'", "%1 (loading)", modelData)
+                        elide: Text.ElideRight
+                        wrapMode: Text.Wrap
+                        maximumLineCount: 2
+                        color: Kirigami.Theme.disabledTextColor
+                        Accessible.ignored: true // base class sets this text on root already
+                    }
+
+                    QQC2.ToolButton {
+                        text: i18nc("@action:button", "Remove this account")
+                        icon.name: "edit-delete-remove"
+                        onClicked: Controller.removeConnection(modelData)
+                        display: QQC2.Button.IconOnly
+                        QQC2.ToolTip.text: text
+                        QQC2.ToolTip.visible: hovered
+                        QQC2.ToolTip.delay: Kirigami.Units.toolTipDelay
+                        enabled: true
+                        Layout.preferredHeight: Kirigami.Units.gridUnit * 2
+                    }
+
+                    FormCard.FormArrow {
+                        Layout.leftMargin: Kirigami.Units.smallSpacing
+                        Layout.alignment: Qt.AlignRight | Qt.AlignVCenter
+                        direction: Qt.RightArrow
+                        visible: root.background.visible
+                    }
+                }
             }
         }
     }