27 lines
No EOL
699 B
JavaScript
27 lines
No EOL
699 B
JavaScript
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Elm.Touch = function() {
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var touches = Elm.Signal.constant(["Nil"]);
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function touch(t) {
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return {_ : [true], x: [t.pageX], y: [t.pageY], id: [t.identifier] };
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}
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function listen(name) {
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function update(e) {
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var ts = Elm.JavaScript.castJSArrayToList(e.touches);
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var hasListener = Dispatcher.notify(touches.id, Elm.List.map(touch)(ts));
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if (!hasListener)
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return this.removeEventListener(name,arguments.callee,false);
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e.preventDefault();
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}
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Value.addListener(document, name, update);
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}
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listen("touchstart");
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listen("touchmove");
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listen("touchend");
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listen("touchcancel");
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listen("touchleave");
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return { touches: touches };
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}(); |