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spa-device: add an "object-removed" signal

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This is useful for monitors to destroy the associated device reservation
object. And it may be useful for other things in the future...
This commit is contained in:
George Kiagiadakis 2021-01-26 16:42:29 +02:00
parent 13a56a7472
commit 4a15ad05f3
1 changed files with 19 additions and 0 deletions
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19
lib/wp/device.c
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@ -211,6 +211,7 @@ struct _WpSpaDevice
enum
{
SIGNAL_CREATE_OBJECT,
SIGNAL_OBJECT_REMOVED,
SPA_DEVICE_LAST_SIGNAL,
};
@ -380,6 +381,7 @@ spa_device_event_object_info (void *data, uint32_t id,
id, type, info->factory_name, props);
}
else {
g_signal_emit (self, spa_device_signals[SIGNAL_OBJECT_REMOVED], 0, id);
wp_spa_device_store_managed_object (self, id, NULL);
}
}
@ -509,6 +511,23 @@ wp_spa_device_class_init (WpSpaDeviceClass * klass)
"create-object", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST,
0, NULL, NULL, NULL, G_TYPE_NONE, 4, G_TYPE_UINT, G_TYPE_STRING,
G_TYPE_STRING, WP_TYPE_PROPERTIES);
/**
* WpSpaDevice::object-removed:
* @self: the #WpSpaDevice
* @id: the id of the managed object that was removed
*
* This signal is emitted when the device has deleted a managed object.
* The handler may optionally release additional resources associated
* with this object.
*
* It is not necessary to call wp_spa_device_store_managed_object()
* to remove the managed object, as this is done internally after this
* signal is fired.
*/
spa_device_signals[SIGNAL_OBJECT_REMOVED] = g_signal_new (
"object-removed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST,
0, NULL, NULL, NULL, G_TYPE_NONE, 1, G_TYPE_UINT);
}
/**