feat: add canAbort() status change in Task

By now, it's a recurring pattern of wanting to restrict aborting in
certain situations. This avoids further code duplication, and adds a
signal that external users can hook up to to respond to such change.

Signed-off-by: flow <flowlnlnln@gmail.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/launcher/tasks/Task.h b/launcher/tasks/Task.h
index 2baf0188..f2872643 100644
--- a/launcher/tasks/Task.h
+++ b/launcher/tasks/Task.h
@@ -68,7 +68,7 @@ class Task : public QObject, public QRunnable {
 
     virtual QStringList warnings() const;
 
-    virtual bool canAbort() const { return false; }
+    virtual bool canAbort() const { return m_can_abort; }
 
     auto getState() const -> State { return m_state; }
 
@@ -96,6 +96,10 @@ class Task : public QObject, public QRunnable {
     void status(QString status);
     void stepStatus(QString status);
 
+    /** Emitted when the canAbort() status has changed.
+     */
+    void abortStatusChanged(bool can_abort);
+
    public slots:
     // QRunnable's interface
     void run() override { start(); }
@@ -103,6 +107,8 @@ class Task : public QObject, public QRunnable {
     virtual void start();
     virtual bool abort() { if(canAbort()) emitAborted(); return canAbort(); };
 
+    void setAbortStatus(bool can_abort) { m_can_abort = can_abort; emit abortStatusChanged(can_abort); }
+
    protected:
     virtual void executeTask() = 0;
 
@@ -125,4 +131,8 @@ class Task : public QObject, public QRunnable {
 
     // TODO: Nuke in favor of QLoggingCategory
     bool m_show_debug = true;
+
+   private:
+    // Change using setAbortStatus
+    bool m_can_abort = false;
 };