DolphinMainWindow: autosave session

Currently, the session is saved only when the app quits normally. Save
the session after a fixed time interval from the last state change i.e.
anytime the url is changed, or a tab is opened or closed, or the active
view is changed.

BUG: 425627

1 files changed, 18 insertions, 0 deletions

diff --git a/src/dolphinmainwindow.h b/src/dolphinmainwindow.h
index 551e28192..bff0ef4de 100644
--- a/src/dolphinmainwindow.h
+++ b/src/dolphinmainwindow.h
@@ -20,6 +20,7 @@
 #include "panels/information/informationpanel.h"
 #endif
 
+#include <QFutureWatcher>
 #include <QIcon>
 #include <QList>
 #include <QMenu>
@@ -116,6 +117,14 @@ public:
      */
     void setViewsToHomeIfMountPathOpen(const QString &mountPath);
 
+    /**
+     * Enables or disables the session autosaving feature.
+     *
+     * @param enable If true, saves the session automatically after a fixed
+     *               time interval from the last state change.
+     */
+    void setSessionAutoSaveEnabled(bool enable);
+
     bool isFoldersPanelEnabled() const;
     bool isInformationPanelEnabled() const;
     bool isSplitViewEnabledInCurrentTab() const;
@@ -619,6 +628,11 @@ private Q_SLOTS:
      */
     void slotKeyBindings();
 
+    /**
+     * Saves the session.
+     */
+    void slotSaveSession();
+
 private:
     /**
      * Sets up the various menus and actions and connects them.
@@ -718,6 +732,10 @@ private:
     QMenu m_searchTools;
     KFileItemActions m_fileItemActions;
 
+    QTimer *m_sessionSaveTimer;
+    QFutureWatcher<void> *m_sessionSaveWatcher;
+    bool m_sessionSaveScheduled;
+
     friend class DolphinMainWindowTest;
 };