File indexing completed on 2024-04-21 04:58:15

 /*
     This file is part of the KDE project
     SPDX-FileCopyrightText: 2007 David Faure <faure@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef KONQ_FRAMEVISITOR_H
 #define KONQ_FRAMEVISITOR_H
 
 #include <QList>
 #include "konqprivate_export.h"
 
 class KonqFrameBase;
 class KonqView;
 class KonqFrame;
 class KonqFrameContainer;
 class KonqFrameTabs;
 class KonqMainWindow;
 
 class KonqFrameVisitor
 {
 public:
     enum VisitorBehavior { VisitAllTabs = 1, VisitCurrentTabOnly = 2 };
     KonqFrameVisitor(VisitorBehavior behavior = VisitAllTabs) : m_behavior(behavior) {}
     virtual ~KonqFrameVisitor() {}
     virtual bool visit(KonqFrame *)
     {
         return true;
     }
     virtual bool visit(KonqFrameContainer *)
     {
         return true;
     }
     virtual bool visit(KonqFrameTabs *)
     {
         return true;
     }
     virtual bool visit(KonqMainWindow *)
     {
         return true;
     }
 
     virtual bool endVisit(KonqFrameContainer *)
     {
         return true;
     }
     virtual bool endVisit(KonqFrameTabs *)
     {
         return true;
     }
     virtual bool endVisit(KonqMainWindow *)
     {
         return true;
     }
 
     bool visitAllTabs() const
     {
         return m_behavior & VisitAllTabs;
     }
 private:
     VisitorBehavior m_behavior;
 };
 
 /**
  * Collects all views, recursively.
  */
 class KONQ_TESTS_EXPORT KonqViewCollector : public KonqFrameVisitor
 {
 public:
     static QList<KonqView *> collect(KonqFrameBase *topLevel);
     bool visit(KonqFrame *frame) override;
     bool visit(KonqFrameContainer *) override
     {
         return true;
     }
     bool visit(KonqFrameTabs *) override
     {
         return true;
     }
     bool visit(KonqMainWindow *) override
     {
         return true;
     }
 private:
     QList<KonqView *> m_views;
 };
 
 /**
  * Collects all views that can currently be linked; this excludes invisible tabs (#116714).
  */
 class KonqLinkableViewsCollector : public KonqFrameVisitor
 {
 public:
     static QList<KonqView *> collect(KonqFrameBase *topLevel);
     bool visit(KonqFrame *frame) override;
     bool visit(KonqFrameContainer *) override
     {
         return true;
     }
     bool visit(KonqFrameTabs *) override
     {
         return true;
     }
     bool visit(KonqMainWindow *) override
     {
         return true;
     }
 private:
     KonqLinkableViewsCollector() : KonqFrameVisitor(VisitCurrentTabOnly) {}
     QList<KonqView *> m_views;
 };
 
 /**
  * Returns the list of views that have modified data in them,
  * for the warning-before-closing-a-tab.
  */
 class KonqModifiedViewsCollector : public KonqFrameVisitor
 {
 public:
     static QList<KonqView *> collect(KonqFrameBase *topLevel);
     bool visit(KonqFrame *frame) override;
     bool visit(KonqFrameContainer *) override
     {
         return true;
     }
     bool visit(KonqFrameTabs *) override
     {
         return true;
     }
     bool visit(KonqMainWindow *) override
     {
         return true;
     }
 private:
     QList<KonqView *> m_views;
 };
 
 #endif /* KONQ_FRAMEVISITOR_H */