59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
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'use strict'
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const { GObject, Clutter } = imports.gi;
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var PaintSignals = class PaintSignals {
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constructor(connections) {
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this.buffer = [];
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this.connections = connections
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}
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connect(actor, blur_effect) {
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let paint_effect = new EmitPaintSignal();
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let infos = {
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actor: actor,
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paint_effect: paint_effect
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};
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let counter = 0;
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actor.add_effect(paint_effect);
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this.connections.connect(paint_effect, 'update-blur', () => {
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try {
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// checking if blur_effect.queue_repaint() has been recently called
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if (counter === 0) {
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counter = 2;
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blur_effect.queue_repaint();
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}
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else counter--;
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} catch (e) { }
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});
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this.buffer.push(infos)
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}
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disconnect_all() {
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this.buffer.forEach((infos) => {
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this.connections.disconnect_all_for(infos.paint_effect);
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infos.actor.remove_effect(infos.paint_effect);
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});
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this.buffer = []
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}
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}
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var EmitPaintSignal = GObject.registerClass({
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GTypeName: 'EmitPaintSignal',
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Signals: {
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'update-blur': {
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param_types: []
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},
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}
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},
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class EmitPaintSignal extends Clutter.Effect {
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vfunc_paint(node, paint_context, paint_flags) {
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this.emit("update-blur");
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super.vfunc_paint(node, paint_context, paint_flags);
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}
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}
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);
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