mirror of
https://github.com/kkapsner/CanvasBlocker
synced 2024-07-05 00:29:17 +02:00
12 lines
337 B
JavaScript
12 lines
337 B
JavaScript
var getContext = unsafeWindow.HTMLCanvasElement.prototype.getContext
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function block(){
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unsafeWindow.HTMLCanvasElement.prototype.getContext = null;
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}
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function unblock(){
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unsafeWindow.HTMLCanvasElement.prototype.getContext = getContext;
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}
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self.port.on("block", block);
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self.port.on("unblock", unblock);
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self.port.on("detach", unblock); |