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31 results

managerimpl.cpp

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    dbuserrorhandler.cpp 5.67 KiB
    /*
     *  Copyright (C) 2015-2019 Savoir-faire Linux Inc.
     *  Author: Stepan Salenikovich <stepan.salenikovich@savoirfairelinux.com>
     *
     *  This program is free software; you can redistribute it and/or modify
     *  it under the terms of the GNU General Public License as published by
     *  the Free Software Foundation; either version 3 of the License, or
     *  (at your option) any later version.
     *
     *  This program is distributed in the hope that it will be useful,
     *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     *  GNU General Public License for more details.
     *
     *  You should have received a copy of the GNU General Public License
     *  along with this program; if not, write to the Free Software
     *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
     */
    #include "dbuserrorhandler.h"
    
    #include <glib/gi18n.h>
    #include <globalinstances.h>
    #include "../client.h"
    #include <api/lrc.h>
    
    namespace Interfaces {
    
    static GtkWidget*
    dring_crash_dialog()
    {
        GtkWidget *dialog = gtk_dialog_new();
        gtk_window_set_destroy_with_parent(GTK_WINDOW(dialog), TRUE);
        gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
        gtk_window_set_decorated(GTK_WINDOW(dialog), FALSE);
        gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
        gtk_window_set_title(GTK_WINDOW(dialog), C_("Name of error window (dialog)","Jami Error"));
    
        /* get the main window */
        if (auto app = g_application_get_default()) {
            auto win = client_get_main_window(CLIENT(app));
            if (win) {
                gtk_window_set_transient_for(GTK_WINDOW(dialog), GTK_WINDOW(win));
                gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER_ON_PARENT);
            } else {
                gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
            }
        } else {
            g_warning("no default GApplication exists");
        }
    
        GtkWidget *content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
        gtk_box_set_spacing(GTK_BOX(content_area), 10);
        gtk_widget_set_size_request(content_area, 250, -1);
        gtk_widget_set_margin_top(content_area, 25);
    
        auto message = gtk_label_new(
            _("Trying to reconnect to the Jami daemon (dring)…")
        );
    
        gtk_box_pack_start(GTK_BOX(content_area), message, FALSE, TRUE, 0);
    
        GtkWidget *spinner = gtk_spinner_new();
        gtk_spinner_start(GTK_SPINNER(spinner));
    
        gtk_box_pack_start(GTK_BOX(content_area), spinner, FALSE, TRUE, 0);
    
        gtk_widget_show_all(content_area);
    
        return dialog;
    }
    
    static GtkWidget*
    quitting_dialog()
    {
        /* get the main window */
        GtkWindow *win = NULL;
        if (auto app = g_application_get_default()) {
            win = client_get_main_window(CLIENT(app));
        } else {
            g_warning("no default GApplication exists");
        }
    
        GtkWidget *dialog = gtk_message_dialog_new(
            win,
            (GtkDialogFlags)(GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT),
            GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
            _("Could not re-connect to the Jami daemon (dring).\nJami will now quit.")
        );
    
        if (win) {
            gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER_ON_PARENT);
        } else {
            gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
        }
        gtk_window_set_title(GTK_WINDOW(dialog), C_("Name of error window (dialog)","Jami Error"));
        gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
    
        return dialog;
    }
    
    static gboolean
    check_connection_cb(GtkWidget *warning_dialog)
    {
        g_return_val_if_fail(GTK_IS_DIALOG(warning_dialog), G_SOURCE_REMOVE);
    
        gtk_widget_destroy(warning_dialog);
    
        if ((!lrc::api::Lrc::isConnected()) || (!lrc::api::Lrc::dbusIsValid())) {
            g_warning("could not reconnect to the daemon");
    
            auto quit_dialog = quitting_dialog();
    
            /* wait for the user to exit the dialog */
            gtk_dialog_run(GTK_DIALOG(quit_dialog));
            gtk_widget_destroy(quit_dialog);
    
            /* quit */
            if (auto app = g_application_get_default()) {
                auto quit_action = G_ACTION(g_action_map_lookup_action(G_ACTION_MAP(app), "quit"));
                g_action_activate(quit_action, NULL);
            } else {
                g_warning("no default GApplication exists");
            }
        } else {
            /* we're done handling the error */
            static_cast<DBusErrorHandler&>(GlobalInstances::dBusErrorHandler()).finishedHandlingError();
        }
    
        return G_SOURCE_REMOVE;
    }
    
    static gboolean
    error_cb(G_GNUC_UNUSED gpointer user_data)
    {
        g_warning("dring has possibly crashed, or has been killed... will wait 2.5 seconds and try to reconnect");
    
        auto warning_dialog = dring_crash_dialog();
        gtk_window_present(GTK_WINDOW(warning_dialog));
    
        /* allow 2.5 seconds for the daemon to restart and then see if we're re-connected */
        g_timeout_add(2500, (GSourceFunc)check_connection_cb, warning_dialog);
    
        return G_SOURCE_REMOVE;
    }
    
    void
    DBusErrorHandler::connectionError(const QString& error)
    {
        g_warning("%s", error.toUtf8().constData());
    
        if (!handlingError) {
            handlingError = true;
            /* the error may come from a different thread other than the main loop,
             * we use an idle function to run events on the main loop */
            g_idle_add((GSourceFunc)error_cb, NULL);
        }
    }
    
    void
    DBusErrorHandler::invalidInterfaceError(const QString& error)
    {
        g_warning("%s", error.toUtf8().constData());
    
        if (!handlingError) {
            handlingError = true;
            /* the error may come from a different thread other than the main loop,
             * we use an idle function to run events on the main loop */
            g_idle_add((GSourceFunc)error_cb, NULL);
        }
    }
    
    void
    DBusErrorHandler::finishedHandlingError()
    {
        handlingError = false;
    }
    
    } // namespace Interfaces