FreeAfter overview

Extension

Description

A simple Quark to manage freeing/closing of objects after another limited-lifetime object is complete.

Introduction

FreeAfter provides a simple mechanism to free or close any object after another limited-lifetime object is complete. It works by way of an Object:freeAfter and Object:closeAfter methods, plus type-specific overrides for the objects that are able to trigger a free/close.

In the context of this quark, "freeing" simply consists in calling the .free method for the object in question. Likewise, "closing" consists in calling the .close method.

Instance Methods

.freeAfter

.closeAfter

Examples

Use cases

Some valuable use-cases include:

• Attaching a Synth providing metering to a LevelIndicator, and ending it when the meter closes.
• Attaching a Buffer to a Synth, such that it's freed after the synth is done.
• Attaching a View to a Task, and closing it when complete.

Extending

Custom classes can provide support for .freeAfter and .closeAfter by defining an onDoAfter method. It must take a single argument, a function to call after the object in question in finished.+MyCustomClass { onDoAfter: { |func| this.addOnFinishedAction(func) } }

In general, the func argument should NOT be called more than once.