ProjectInfoGenerator: Use QPromise for async calls

Change-Id: Ibf95090bee773cabcaed82a79687508e1f017059
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/plugins/cppeditor/cppprojectinfogenerator.cpp

@@ -10,30 +10,24 @@
 #include <projectexplorer/projectexplorerconstants.h>
 #include <projectexplorer/taskhub.h>
 
-#include <utils/qtcassert.h>
-
+#include <QPromise>
 #include <QTimer>
 
-#include <set>
-
 using namespace ProjectExplorer;
 using namespace Utils;
 
 namespace CppEditor::Internal {
 
-ProjectInfoGenerator::ProjectInfoGenerator(
-        const QFutureInterface<ProjectInfo::ConstPtr> &futureInterface,
-        const ProjectUpdateInfo &projectUpdateInfo)
-    : m_futureInterface(futureInterface)
-    , m_projectUpdateInfo(projectUpdateInfo)
+ProjectInfoGenerator::ProjectInfoGenerator(const ProjectUpdateInfo &projectUpdateInfo)
+    : m_projectUpdateInfo(projectUpdateInfo)
 {
 }
 
-ProjectInfo::ConstPtr ProjectInfoGenerator::generate()
+ProjectInfo::ConstPtr ProjectInfoGenerator::generate(const QPromise<ProjectInfo::ConstPtr> &promise)
 {
     QVector<ProjectPart::ConstPtr> projectParts;
     for (const RawProjectPart &rpp : m_projectUpdateInfo.rawProjectParts) {
-        if (m_futureInterface.isCanceled())
+        if (promise.isCanceled())
             return {};
         for (const ProjectPart::ConstPtr &part : createProjectParts(
                  rpp, m_projectUpdateInfo.projectFilePath)) {