libcamera: object: Add connection type parameter to invokeMethod()

Allow specifying a different connection type than ConnectionTypeQueued
for Object::invokeMethod().

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

src/android/camera_proxy.cpp

@@ -187,6 +187,7 @@ int CameraProxy::processCaptureRequest(camera3_capture_request_t *request)
 
 void CameraProxy::threadRpcCall(ThreadRpc &rpcRequest)
 {
-	cameraDevice_->invokeMethod(&CameraDevice::call, &rpcRequest);
+	cameraDevice_->invokeMethod(&CameraDevice::call, ConnectionTypeQueued,
+				    &rpcRequest);
 	rpcRequest.waitDelivery();
 }

src/libcamera/event_notifier.cpp

@@ -128,7 +128,8 @@ void EventNotifier::message(Message *msg)
 	if (msg->type() == Message::ThreadMoveMessage) {
 		if (enabled_) {
 			setEnabled(false);
-			invokeMethod(&EventNotifier::setEnabled, true);
+			invokeMethod(&EventNotifier::setEnabled,
+				     ConnectionTypeQueued, true);
 		}
 	}
 

src/libcamera/object.cpp

@@ -139,14 +139,15 @@ void Object::message(Message *msg)
 }
 
 /**
- * \fn void Object::invokeMethod(void (T::*func)(Args...), Args... args)
+ * \fn void Object::invokeMethod()
  * \brief Invoke a method asynchronously on an Object instance
  * \param[in] func The object method to invoke
+ * \param[in] type Connection type for method invocation
  * \param[in] args The method arguments
  *
- * This method invokes the member method \a func when control returns to the
- * event loop of the object's thread. The method is executed in the object's
- * thread with arguments \a args.
+ * This method invokes the member method \a func with arguments \a args, based
+ * on the connection \a type. Depending on the type, the method will be called
+ * synchronously in the same thread or asynchronously in the object's thread.
  *
  * Arguments \a args passed by value or reference are copied, while pointers
  * are passed untouched. The caller shall ensure that any pointer argument

src/libcamera/timer.cpp

@@ -170,7 +170,8 @@ void Timer::message(Message *msg)
 	if (msg->type() == Message::ThreadMoveMessage) {
 		if (isRunning()) {
 			unregisterTimer();
-			invokeMethod(&Timer::registerTimer);
+			invokeMethod(&Timer::registerTimer,
+				     ConnectionTypeQueued);
 		}
 	}