Mini-plugin with refactorings counter popup for the "47 refactorings in 45 minutes" talk (to be used via LivePlugin)

plugin.kts

import com.intellij.openapi.project.Project
import com.intellij.openapi.ui.popup.*
import com.intellij.openapi.util.Disposer
import com.intellij.ui.JBColor
import com.intellij.ui.awt.RelativePoint
import liveplugin.*
import java.awt.Point

// https://gist.github.com/dkandalov/cd7e987ac171d18d79637f6d6c66bea0

var counter = 0
var balloon: Balloon? = null

registerAction("Increment refactorings counter", keyStroke = "meta alt shift F12") {
    balloon?.let(Disposer::dispose)
    balloon = createBalloon(++counter).showIn(it.project)
}

registerAction("Decrement refactorings counter", keyStroke = "meta alt shift F11") {
    balloon?.let(Disposer::dispose)
    counter = (counter - 1).coerceAtLeast(0)
    balloon = createBalloon(counter).showIn(it.project)
}

registerAction("Toggle refactorings counter", keyStroke = "meta alt shift F9") {
    if (balloon == null || balloon!!.wasFadedOut()) {
        balloon = createBalloon(counter).showIn(it.project)
    } else {
        balloon!!.hide()
    }
}

fun createBalloon(counter: Int) =
    JBPopupFactory.getInstance()
        .createHtmlTextBalloonBuilder(
            /* htmlContent = */ "<span style='font-size: 32pt; font-weight:bold'>Refactoring counter: $counter</span>",
            /* icon = */ null,
            /* fillColor = */ JBColor.background(),
            /* listener = */ null
        )
        .setBorderColor(JBColor.gray)
        .setFadeoutTime(3000) // We could use this to make popup disappear after a time-out
        .setAnimationCycle(50)
        .setCloseButtonEnabled(false)
        .setHideOnClickOutside(false)
        .setDisposable(pluginDisposable)
        .setHideOnFrameResize(false)
        .setHideOnKeyOutside(false)
        .setBlockClicksThroughBalloon(true)
        .setHideOnAction(false)
        .setShowCallout(false)
        .setCornerRadius(15)
        .createBalloon()

fun Balloon.showIn(project: Project?) = apply {
    val component = project?.currentEditor?.component ?: return@apply
    show(
        RelativePoint(component, Point(component.width, component.height - 100)),
        Balloon.Position.above
    )
}