Qt+Win32: Make software updates more friendly.

Add WinSparkle can_shutdown and shutdown_request callbacks which are
called prior to running the installer. Reject updates when we have
unsaved information. Add notes about possible improvements.

Ping-Bug: 9687
Ping-Bug: 12989
Change-Id: Ia126244b311417aa3105ea8136f186adc2745445
Reviewed-on: https://code.wireshark.org/review/19244
Reviewed-by: Gerald Combs <gerald@wireshark.org>
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/ui/qt/wireshark_application.h b/ui/qt/wireshark_application.h
index 58b489badf..6f26a90f99 100644
--- a/ui/qt/wireshark_application.h
+++ b/ui/qt/wireshark_application.h
@@ -124,6 +124,11 @@ public:
     const QString windowTitleString(QStringList title_parts);
     const QString windowTitleString(QString title_part) { return windowTitleString(QStringList() << title_part); }
     void applyCustomColorsFromRecent();
+#ifdef HAVE_SOFTWARE_UPDATE
+    void rejectSoftwareUpdate() { software_update_ok_ = false; }
+    bool softwareUpdateCanShutdown();
+    void softwareUpdateShutdownRequest();
+#endif
 
     QTranslator translator;
     QTranslator translatorQt;
@@ -145,6 +150,10 @@ private:
     static QString window_title_separator_;
     QList<AppSignal> app_signals_;
     int active_captures_;
+#ifdef HAVE_SOFTWARE_UPDATE
+    bool software_update_ok_;
+#endif
+
     void storeCustomColorsInRecent();
 
 protected:
@@ -171,6 +180,12 @@ signals:
     void checkDisplayFilter();
     void fieldsChanged();
     void reloadLuaPlugins();
+#ifdef HAVE_SOFTWARE_UPDATE
+    // Each of these are called from a separate thread.
+    void softwareUpdateRequested();
+    void softwareUpdateClose();
+    void softwareUpdateQuit();
+#endif
 
     void openStatCommandDialog(const QString &menu_path, const char *arg, void *userdata);
     void openTapParameterDialog(const QString cfg_str, const QString arg, void *userdata);