Make BaseFileWizard async

The side-effect is that WizardEventLoop can go!

Change-Id: I0eae0e0fa91a48e2a5010b47cc0de86758969904
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

src/plugins/coreplugin/basefilewizard.h

@@ -33,16 +33,39 @@
 
 #include "core_global.h"
 
+#include "generatedfile.h"
+
 #include <utils/wizard.h>
 
+#include <QVariantMap>
+
 namespace Core {
 
+class BaseFileWizardFactory;
+
 class CORE_EXPORT BaseFileWizard : public Utils::Wizard
 {
     Q_OBJECT
 
 public:
-    explicit BaseFileWizard(QWidget *parent = 0);
+    explicit BaseFileWizard(const BaseFileWizardFactory *factory, const QVariantMap &extraValues,
+                            QWidget *parent = 0);
+
+    void initializePage(int id);
+
+    QList<QWizardPage *> extensionPages();
+
+    void accept();
+    void reject();
+
+private:
+    void generateFileList();
+
+    QVariantMap m_extraValues;
+    const BaseFileWizardFactory *m_factory;
+    QList<QWizardPage *> m_extensionPages;
+    QWizardPage *m_firstExtensionPage = 0;
+    GeneratedFiles m_files;
 };
 
 } // namespace Core