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See our support policies for more details. OpenRGB keeps it simple with a lightweight user interface that doesn't waste background resources with excessive custom images and styles. It is light on both RAM and CPU usage, so your system can continue to shine without cutting into your gaming or productivity performance. If you have RGB devices from many different manufacturers, you will likely have many different programs installed to control all of your devices.
These programs do not sync with each other, and they all compete for your system resources. This means anyone is free to view and modify the code. Its versatile profiles system lets you create, save and load personalized profiles for any use or adjustment you want to make. Looking to the future XPC Tools plans to continue in its mission to maximize the security and performance of PCs around the world, through a range of well-designed products. This XPC Tools program is very easy to download, install and then use, through its friendly and intuitive user interface.
You don't need any technical experience at all to get the most out of it. You can identify these classes by whether they conform to the NSSecureCoding protocol. If you need to pass your own classes as parameters, you must ensure that they conform to the NSSecureCoding protocol, as described below. Declare support for secure coding. Decode singleton class instances safely. If the class overrides its initWithCoder: method, when decoding any instance variable, property, or other value that contains an object of a non-collection class including custom classes always use decodeObjectOfClass:forKey: to ensure that the data is of the expected type.
Decode collection classes safely. Any non-collection class that contains instances of collection classes must override the initWithCoder: method. In that method, when decoding the collection object or objects, always use decodeObjectOfClasses:forKey: and provide a list of any objects that can appear within the collection. When generating the list of classes to allow within a decoded collection class, you should be aware of two things.
First, Apple collection classes are not automatically whitelisted by the decodeObjectOfClasses:forKey: method, so you must include them explicitly in the array of class types. Second, you should list only classes that are direct members of the collection object graph that you are decoding without any intervening non-collection classes. For example, if you have an array of dictionaries, and one of those dictionaries might contain an instance of a custom class called OuterClass , and OuterClass has an instance variable of type InnerClass, you must include OuterClass in the list of classes because it is a direct member of the collection tree.
However, you do not need to list InnerClass because there is a non-collection object between it and the collection tree. Figure shows some examples of when whitelisting is required and shows when classes must provide overridden initWithCoder : methods.
However, when a method specifies a collection class NSArray , NSDictionary , and so on as the parameter type, the compiler has no way to determine what classes should be allowed to appear within that container. For this reason, if your methods take collection class instances as parameters, you must explicitly whitelist any classes that can appear within those containers. For every method in your interface that takes a collection class as a parameter, you must determine what classes should be allowed as members.
You should whitelist only classes that can be members of any top-level collection objects. If you whitelist classes at the top level unnecessarily, those objects are allowed to appear within the top-level collection objects, which is not what you want. In particular:. Apple-provided classes that support property list serialization such as other collection classes are automatically whitelisted for you. It is never necessary to whitelist these classes at the top level.
For the most up-to-date list of classes supported by property list serialization, read Serializing Property Lists in Archives and Serializations Programming Guide. If the enclosing class correctly conforms to NSSecureCoding , such whitelisting is not required. Assuming the pommesFrites array is an array of FrenchFry objects as the name implies , you would whitelist the array of FrenchFry objects as follows:.
In this case, the value NO is passed for the ofReply parameter because this code is modifying the whitelist for one of the parameters of the method itself. Most of the time, it makes sense to copy objects and send them to the other side of a connection. Passing objects by copying is the most straightforward way to use NSXPC, and should be used wherever possible.
If you need to share a single instance of the data between the client application and the helper, you must pass the objects by proxy.
If an object needs to call methods on other objects within your application that you cannot or do not wish to pass across the connection such as user interface objects , then you must pass an object by proxy—either the caller, the callee where possible , or a relay object that you construct specifically for that purpose. The downside to passing objects by proxy is that performance is significantly reduced because every access to the object requires interprocess communication.
For this reason, you should pass objects by proxy only if it is not possible to pass them by copying. You can configure additional proxy objects similarly to the way you configured the remoteObjectInterface property of the initial connection. First, identify which parameter to a method should be passed by proxy, then specify an NSXPCInterface object that defines the interface for that object.
If you want to pass the first parameter to that method by proxy, you would configure the interface like this:. When you send the first message, the launchd daemon searches your application bundle for a service bundle whose CFBundleIdentifier value matches the specified name, then launches that XPC service daemon on demand.
The event handler function runs on a queue whose name is the name of the XPC service.
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