main_application.h

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#ifndef MAIN_APPLICATION_H
#define MAIN_APPLICATION_H
 
#include <config.h>
 
#include "wsutil/feature_list.h"
 
#include "ui/help_url.h"
 
#include <QApplication>
#include <QDir>
#include <QFont>
#include <QIcon>
#include <QTimer>
#include <QTranslator>
 
#include <functional>
#include <utility>
 
#include "capture_event.h"
 
struct _e_prefs;
 
class QAction;
class QSocketNotifier;
 
class MainWindow;

class MainApplication : public QApplication
{
    Q_OBJECT
public:
    explicit MainApplication(int &argc,  char **argv);

    ~MainApplication();

    enum AppSignal {
        CaptureFilterListChanged,
        ColumnsChanged,
        DisplayFilterListChanged,
        FieldsChanged,
        FilterExpressionsChanged,
        NameResolutionChanged,
        PacketDissectionChanged,
        PreferencesChanged,
        RecentPreferencesRead,
        FreezePacketList,
        AggregationChanged
    };

    enum MainMenuItem {
        FileOpenDialog,
        CaptureOptionsDialog
    };

    enum StatusInfo {
        FilterSyntax,
        FieldStatus,
        FileStatus,
        BusyStatus,
        ByteStatus,
        TemporaryStatus
    };

    void emitAppSignal(AppSignal signal);

    void queueAppSignal(AppSignal signal) { app_signals_ << signal; }

    void emitStatCommandSignal(const QString &menu_path, const char *arg, void *userdata);

    void emitTapParameterSignal(const QString cfg_abbr, const QString arg, void *userdata);

    void addDynamicMenuGroupItem(int group, QAction *sg_action);

    void appendDynamicMenuGroupItem(int group, QAction *sg_action);

    void removeDynamicMenuGroupItem(int group, QAction *sg_action);

    QList<QAction *> dynamicMenuGroupItems(int group);

    QList<QAction *> addedMenuGroupItems(int group);

    QList<QAction *> removedMenuGroupItems(int group);

    void clearAddedMenuGroupItems();

    void clearRemovedMenuGroupItems();

    void allSystemsGo();

    void emitLocalInterfaceEvent(const char *ifname, int added, int up);

    struct _e_prefs * readConfigurationFiles(bool reset);

    QDir openDialogInitialDir();

    void setLastOpenDirFromFilename(QString file_name);

    void helpTopicAction(topic_action_e action);
 

    void setConfigurationProfile(const char *profile_name, bool write_recent_file = true);

    void reloadLuaPluginsDelayed();

    bool isInitialized() { return initialized_; }

    template <typename Func>
    void whenInitialized(const QObject *context, Func &&fn)
    {
        if (initialized_) {
            whenInitializedDispatch(context, std::function<void()>(std::forward<Func>(fn)));
        } else {
            connect(this, &MainApplication::appInitialized, context, std::forward<Func>(fn));
        }
    }

    void setReloadingLua(bool is_reloading) { is_reloading_lua_ = is_reloading; }

    bool isReloadingLua() { return is_reloading_lua_; }

    const QIcon &normalIcon();

    const QIcon &captureIcon();

    const QString &windowTitleSeparator() const { return window_title_separator_; }

    const QString windowTitleString(QStringList title_parts);

    const QString windowTitleString(QString title_part) { return windowTitleString(QStringList() << title_part); }

    void applyCustomColorsFromRecent();

    MainWindow *mainWindow();

    QTranslator translator;

    QTranslator translatorQt;

    void loadLanguage(const QString language);

    void doTriggerMenuItem(MainMenuItem menuItem);

    void pushStatus(StatusInfo sinfo, const QString &message, const QString &messagetip = QString());

    void popStatus(StatusInfo sinfo);

    void gotoFrame(int frameNum);

    int maxMenuDepth(void) { return 5; }
 
private:
    void whenInitializedDispatch(const QObject *context, std::function<void()> fn);

    bool initialized_;

    bool is_reloading_lua_;

    QTimer packet_data_timer_;

    QTimer tap_update_timer_;

    QList<QString> pending_open_files_;

    QSocketNotifier *if_notifier_;

    static QString window_title_separator_;

    QList<AppSignal> app_signals_;

    int active_captures_;

    void storeCustomColorsInRecent();

    void clearDynamicMenuGroupItems();
 
protected:
    bool event(QEvent *event) override;

    virtual void initializeIcons() = 0;

    QIcon normal_icon_;

    QIcon capture_icon_;
 
signals:
    void appInitialized();
    void localInterfaceEvent(const char *ifname, int added, int up);
    void openCaptureFile(QString cf_path, QString display_filter, unsigned int type);
    void openCaptureOptions();
    void recentPreferencesRead();
    void profileChanging();
    void profileNameChanged(const char *profile_name);

    void freezePacketList(bool changing_profile);
    void columnsChanged();
    void captureFilterListChanged();
    void displayFilterListChanged();
    void filterExpressionsChanged();
    void packetDissectionChanged();
    void preferencesChanged();
    void addressResolutionChanged();
    void columnDataChanged();
    void checkDisplayFilter();
    void fieldsChanged();
    void reloadLuaPlugins();
    void aggregationChanged();

    void openStatCommandDialog(const QString &menu_path, const char *arg, void *userdata);
    void openTapParameterDialog(const QString cfg_str, const QString arg, void *userdata);

    void captureActive(int);
 
public slots:
    void captureEventHandler(CaptureEvent ev);

    void flushAppSignals();

    void reloadDisplayFilterMacros();
 
private slots:
    void updateTaps();

    void cleanup();

    void ifChangeEventsAvailable();

    void refreshPacketData();
 
};
 
extern MainApplication *mainApp;


extern void gather_wireshark_qt_compiled_info(feature_list l);

extern void gather_wireshark_runtime_info(feature_list l);
#endif // MAIN_APPLICATION_H