Change the update all button into a cancel button while updating

BUG: 386243

discover/qml/UpdatesPage.qml

@@ -80,9 +80,18 @@ DiscoverPage
                     Layout.minimumWidth: Kirigami.Units.gridUnit * 6
                     Layout.rightMargin: Kirigami.Units.gridUnit
                     text: unselectedItem.visible ? i18n("Update Selected") : i18n("Update All")
-                    enabled: !resourcesUpdatesModel.isProgressing
+                    visible: !resourcesUpdatesModel.isProgressing
                     onClicked: page.start()
                 }
+                Button {
+                    Layout.minimumWidth: Kirigami.Units.gridUnit * 6
+                    Layout.rightMargin: Kirigami.Units.gridUnit
+                    iconName: "dialog-cancel"
+                    text: i18n("Cancel")
+                    enabled: resourcesUpdatesModel.transaction && resourcesUpdatesModel.transaction.isCancellable
+                    visible: resourcesUpdatesModel.isProgressing
+                    onClicked: resourcesUpdatesModel.transaction.cancel()
+                }
             }
         }
 

libdiscover/resources/ResourcesUpdatesModel.cpp

@@ -250,4 +250,9 @@ void ResourcesUpdatesModel::setTransaction(UpdateTransaction* transaction)
     Q_EMIT progressingChanged();
 }
 
+Transaction* ResourcesUpdatesModel::transaction() const
+{
+    return m_transaction.data();
+}
+
 #include "ResourcesUpdatesModel.moc"

libdiscover/resources/ResourcesUpdatesModel.h

@@ -32,6 +32,7 @@ class QAction;
 class AbstractBackendUpdater;
 class ResourcesModel;
 class QDBusInterface;
+class Transaction;
 class UpdateTransaction;
 
 class DISCOVERCOMMON_EXPORT ResourcesUpdatesModel : public QStandardItemModel
@@ -40,6 +41,7 @@ class DISCOVERCOMMON_EXPORT ResourcesUpdatesModel : public QStandardItemModel
     Q_PROPERTY(bool isProgressing READ isProgressing NOTIFY progressingChanged)
     Q_PROPERTY(QDateTime lastUpdate READ lastUpdate NOTIFY progressingChanged)
     Q_PROPERTY(qint64 secsToLastUpdate READ secsToLastUpdate NOTIFY progressingChanged)
+    Q_PROPERTY(Transaction* transaction READ transaction NOTIFY progressingChanged)
     public:
         explicit ResourcesUpdatesModel(QObject* parent = nullptr);
 
@@ -54,6 +56,7 @@ class DISCOVERCOMMON_EXPORT ResourcesUpdatesModel : public QStandardItemModel
 
         qint64 secsToLastUpdate() const;
         QVector<AbstractBackendUpdater*> updaters() const { return m_updaters; }
+        Transaction* transaction() const;
 
     Q_SIGNALS:
         void downloadSpeedChanged();