// SPDX-License-Identifier: MIT
.pragma library

// Task Manager fills unused panel space. Only delegates are task buttons.
function hasTaskAt(item, x, y) {
    if (!item.visible || !item.contains(item.mapFromItem(null, x, y))) return false;
    if (item.tasksRoot !== undefined && item.isWindow !== undefined && item.index !== undefined) return true;
    for (const child of item.children) {
        if (hasTaskAt(child, x, y)) return true;
    }
    return false;
}

function areaAt(panelLayout, x, y) {
    if (!panelLayout) return "";
    for (const child of panelLayout.children) {
        if (!child.visible || !child.contains(child.mapFromItem(null, x, y))) continue;
        const applet = child.applet;
        const name = applet?.plasmoid?.pluginName;
        if (!name) return "other";
        if (name === "org.kde.plasma.taskmanager" || name === "org.kde.plasma.icontasks") {
            return hasTaskAt(applet, x, y) ? "tasks" : "empty";
        }
        if (name === "se.ajpanton.panelactions" || name === "org.kde.plasma.panelspacer"
            || name === "org.kde.plasma.marginsseparator") return "empty";
        if (name === "org.kde.plasma.systemtray") return "tray";
        if (name === "org.kde.plasma.digitalclock" || name === "org.kde.plasma.analogclock") return "clock";
        if (name === "org.kde.plasma.kickoff" || name === "org.kde.plasma.kicker"
            || name === "org.kde.plasma.kickerdash") return "launcher";
        return "other";
    }
    return "empty";
}