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Fix continuos loop of update checks if the refresh cache interval is 0 If the interval for refreshing the cache is set to 0 each check for available updates refreshes the cache and causes an "updates-changed" signal to be emitted after a short delay which in turn triggers another check for updates. The "updates-changed" signal does not actually mean that the number of available updates has changed but rather that the package metadata cache has been invalidated. Fix this by blocking the "updates-changed" signal handler from when a periodic or irregular check is started until 4 seconds after it has finished. This is necessary since the signal will be delivered with a delay after a transaction has been completed. In addition prevent checks for updates triggered by the "updates-changed" signal from refreshing the cache even the interval is 0 since the emission of the signal implies that the cache has just been refreshed.
author Guido Berhoerster <guido+pui@berhoerster.name>
date Thu, 29 Aug 2019 13:48:47 +0200
parents 2f04ec9e0506
children
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/*
 * Copyright (C) 2018 Guido Berhoerster <guido+pui@berhoerster.name>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef	PUI_PREFS_APPLICATION_H
#define	PUI_PREFS_APPLICATION_H

#include <gtk/gtk.h>

#include <glib-object.h>

G_BEGIN_DECLS

#define	PUI_TYPE_PREFS_APPLICATION	(pui_prefs_application_get_type())

G_DECLARE_FINAL_TYPE(PuiPrefsApplication, pui_prefs_application, PUI,
    PREFS_APPLICATION, GtkApplication)

PuiPrefsApplication *	pui_prefs_application_new(void);

G_END_DECLS

#endif /* !PUI_PREFS_APPLICATION_H */