KWin Cool Effect 0.2

/**
 * global effect, effects, animate, animationTime, Effect, QEasingCurve
 */
var CoolEffect = {
    debug: function (message) {
        // TODO
        print(message); // WTF?
    },

    duration: animationTime(250),
    isfadeWindow: function(window) {
        if (window.deleted && effect.isGrabbed(window, Effect.WindowClosedGrabRole)) {
            return false;
        } else if (!window.deleted && effect.isGrabbed(window, Effect.WindowAddedGrabRole)) {
            return false;
        }

        var isFade = window.onCurrentDesktop && !CoolEffect.isLoginWindow(window) && ! window.desktopWindow &&
            !window.utility && !window.minimized;

        // Filter out menus and others
        isFade = isFade && (window.normalWindow || window.dialog) && window.hasDecoration;

        return isFade;
    },
    isLoginWindow: function(window) {
        return window.windowClass == "ksplashx ksplashx" ||
            window.windowClass == "ksplashsimple ksplashsimple" ||
            window.windowClass == "qt-subapplication ksplashqml";
    },
    fadeWindow: function (window, direction) {
        animate({
            window: window,
            duration: CoolEffect.duration,
            animations: [{
                type: Effect.Opacity,
                curve: QEasingCurve.InOutQuad,
                from: direction === 'in' ? 0.0 : 1.0,
                to: direction === 'in' ? 1.0 : 0.0
            }, {
                type: Effect.Scale,
                curve: QEasingCurve.InOutQuad,
                from: direction === 'in' ? 0.75 : 1.0,
                to: direction === 'in' ? 1.0 : 0.75
            }]
        });
    },
    shown: function(window) {
        if (CoolEffect.isfadeWindow(window))
            CoolEffect.fadeWindow(window, 'in');
    },
    closed: function (window) {
        if (CoolEffect.isfadeWindow(window))
            CoolEffect.fadeWindow(window, 'out');
    },
    init: function () {
        effects.windowAdded.connect(CoolEffect.shown);
        effects.windowClosed.connect(CoolEffect.closed);
    }
};

CoolEffect.init();