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/*
* evolution-offline-alert.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <libebackend/libebackend.h>
#include <shell/e-shell-view.h>
#include <shell/e-shell-window-actions.h>
/* Standard GObject macros */
#define E_TYPE_OFFLINE_ALERT \
(e_offline_alert_get_type ())
#define E_OFFLINE_ALERT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST \
((obj), E_TYPE_OFFLINE_ALERT, EOfflineAlert))
typedef struct _EOfflineAlert EOfflineAlert;
typedef struct _EOfflineAlertClass EOfflineAlertClass;
struct _EOfflineAlert {
EExtension parent;
gpointer alert; /* weak pointer */
};
struct _EOfflineAlertClass {
EExtensionClass parent_class;
};
/* Module Entry Points */
void e_module_load (GTypeModule *type_module);
void e_module_unload (GTypeModule *type_module);
/* Forward Declarations */
GType e_offline_alert_get_type (void);
G_DEFINE_DYNAMIC_TYPE (EOfflineAlert, e_offline_alert, E_TYPE_EXTENSION)
static EShell *
offline_alert_get_shell (EOfflineAlert *extension)
{
EExtensible *extensible;
extensible = e_extension_get_extensible (E_EXTENSION (extension));
return E_SHELL (extensible);
}
static void
offline_alert_online_cb (EShell *shell,
GParamSpec *pspec,
EOfflineAlert *extension)
{
if (!e_shell_get_online (shell))
return;
if (extension->alert != NULL)
e_alert_response (extension->alert, GTK_RESPONSE_OK);
}
static void
offline_alert_network_available_cb (EShell *shell,
GParamSpec *pspec,
EOfflineAlert *extension)
{
if (e_shell_get_network_available (shell)) {
if (extension->alert != NULL)
e_alert_response (extension->alert, GTK_RESPONSE_OK);
return;
}
if (!e_shell_get_online (shell))
return;
g_return_if_fail (extension->alert == NULL);
extension->alert = e_alert_new ("offline-alert:no-network", NULL);
g_object_add_weak_pointer (
G_OBJECT (extension->alert), &extension->alert);
e_shell_submit_alert (shell, extension->alert);
g_object_unref (extension->alert);
}
static void
offline_alert_window_added_cb (GtkApplication *application,
GtkWindow *window,
EOfflineAlert *extension)
{
EShell *shell = E_SHELL (application);
GtkAction *action;
if (!E_IS_SHELL_WINDOW (window))
return;
/* Connect these signals after we have the first EShellWindow
* to avoid false-positive signals during EShell initialization. */
g_signal_connect (
shell, "notify::online",
G_CALLBACK (offline_alert_online_cb), extension);
g_signal_connect (
shell, "notify::network-available",
G_CALLBACK (offline_alert_network_available_cb), extension);
g_signal_handlers_disconnect_by_func (
shell, offline_alert_window_added_cb, extension);
if (e_shell_get_online (shell))
return;
g_return_if_fail (extension->alert == NULL);
/* This alert only shows at startup, not when the user
* chooses to work offline. That's why we only wanted
* the first EShellWindow. */
action = E_SHELL_WINDOW_ACTION_WORK_ONLINE (window);
extension->alert = e_alert_new (e_shell_get_network_available (shell) ? "offline-alert:offline" : "offline-alert:no-network", NULL);
e_alert_add_action (extension->alert, action, GTK_RESPONSE_NONE);
g_object_add_weak_pointer (
G_OBJECT (extension->alert), &extension->alert);
e_shell_submit_alert (shell, extension->alert);
g_object_unref (extension->alert);
}
static void
offline_alert_dispose (GObject *object)
{
EOfflineAlert *extension;
extension = E_OFFLINE_ALERT (object);
if (extension->alert != NULL) {
g_object_remove_weak_pointer (
G_OBJECT (extension->alert), &extension->alert);
extension->alert = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (e_offline_alert_parent_class)->dispose (object);
}
static void
offline_alert_constructed (GObject *object)
{
EShell *shell;
EOfflineAlert *extension;
extension = E_OFFLINE_ALERT (object);
shell = offline_alert_get_shell (extension);
/* Watch for the first EShellWindow. */
g_signal_connect (
shell, "window-added",
G_CALLBACK (offline_alert_window_added_cb), extension);
/* Chain up to parent's constructed() method. */
G_OBJECT_CLASS (e_offline_alert_parent_class)->constructed (object);
}
static void
e_offline_alert_class_init (EOfflineAlertClass *class)
{
GObjectClass *object_class;
EExtensionClass *extension_class;
object_class = G_OBJECT_CLASS (class);
object_class->dispose = offline_alert_dispose;
object_class->constructed = offline_alert_constructed;
extension_class = E_EXTENSION_CLASS (class);
extension_class->extensible_type = E_TYPE_SHELL;
}
static void
e_offline_alert_class_finalize (EOfflineAlertClass *class)
{
}
static void
e_offline_alert_init (EOfflineAlert *extension)
{
}
G_MODULE_EXPORT void
e_module_load (GTypeModule *type_module)
{
e_offline_alert_register_type (type_module);
}
G_MODULE_EXPORT void
e_module_unload (GTypeModule *type_module)
{
}
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