wfdevent: Allowed attributes depend on the current event type

1 files changed, 44 insertions, 7 deletions

diff --git a/src/wfdevent.c b/src/wfdevent.c
index 96ed851..5d0afc5 100644
--- a/src/wfdevent.c
+++ b/src/wfdevent.c
@@ -68,6 +68,8 @@ struct wfd_event {
 
 	int source_bind_event_queue_fd;
 	GQueue *bind_event_queue;
+
+	WFDEventType current_event_type;
 };
 
 void
@@ -179,6 +181,7 @@ wfd_create_event(struct wfd_device *device,
 	event->bind_event_queue = g_queue_new();
 
 	event->device = device;
+	event->current_event_type = WFD_EVENT_NONE;
 
 	return event;
 }
@@ -189,17 +192,49 @@ wfd_event_get_attribi(struct wfd_device *device,
 		      WFDEventAttrib attribute)
 {
 	switch (attribute) {
-	case WFD_EVENT_PIPELINE_BIND_PIPELINE_ID:
-		return event->bind.pipeline_id;
-	case WFD_EVENT_PIPELINE_BIND_TIME_EXT:
-		return event->bind.time;
+	case WFD_EVENT_TYPE:
+		return event->current_event_type;
+	case WFD_EVENT_PIPELINE_BIND_QUEUE_SIZE:
 	case WFD_EVENT_PORT_ATTACH_PORT_ID:
-		return event->attach_port_id;
 	case WFD_EVENT_PORT_ATTACH_STATE:
-		return event->attach_state;
+	case WFD_EVENT_PORT_PROTECTION_PORT_ID:
+	case WFD_EVENT_PIPELINE_BIND_PIPELINE_ID:
+	case WFD_EVENT_PIPELINE_BIND_SOURCE:
+	case WFD_EVENT_PIPELINE_BIND_MASK:
+	case WFD_EVENT_PIPELINE_BIND_QUEUE_OVERFLOW:
+		break;
 	default:
 		wfd_device_set_error(device, WFD_ERROR_BAD_ATTRIBUTE);
-		break;
+		return 0;
+	}
+
+	switch (event->current_event_type) {
+	case WFD_EVENT_PORT_ATTACH_DETACH:
+		switch (attribute) {
+		case WFD_EVENT_PORT_ATTACH_PORT_ID:
+			return event->attach_port_id;
+		case WFD_EVENT_PORT_ATTACH_STATE:
+			return event->attach_state;
+		default:
+			wfd_device_set_error(device,
+					     WFD_ERROR_ILLEGAL_ARGUMENT);
+			return 0;
+		}
+
+	case WFD_EVENT_PIPELINE_BIND_SOURCE_COMPLETE:
+		switch (attribute) {
+		case WFD_EVENT_PIPELINE_BIND_PIPELINE_ID:
+			return event->bind.pipeline_id;
+		case WFD_EVENT_PIPELINE_BIND_TIME_EXT:
+			return event->bind.time;
+		default:
+			wfd_device_set_error(device,
+					     WFD_ERROR_ILLEGAL_ARGUMENT);
+			return 0;
+		}
+	default:
+		wfd_device_set_error(device, WFD_ERROR_ILLEGAL_ARGUMENT);
+		return 0;
 	}
 	
 	return 0;
@@ -322,6 +357,8 @@ wfd_event_wait(struct wfd_device *device,
 		udev_device_unref(u_event);
 	}
 
+	event->current_event_type = event_type;
+
 	return event_type;
 }