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package client;
import js.html.Element;
import js.Browser.document;
import js.Browser.window;
class Utils {
public static function isTouch():Bool {
return js.Syntax.code("'ontouchstart' in window");
}
public static function prepend(parent:Element, child:Element):Void {
if (parent.firstChild == null) parent.appendChild(child);
else parent.insertBefore(child, parent.firstChild);
}
public static function insertAtIndex(parent:Element, child:Element, i:Int) {
if (i >= parent.children.length) parent.appendChild(child);
else parent.insertBefore(child, parent.children[i]);
}
public static function getIndex(parent:Element, child:Element):Int {
var i = 0;
for (el in parent.children) {
if (el == child) break;
i++;
}
return i;
}
public static function toggleFullScreen(el:Element):Bool {
var state = true;
final doc:Dynamic = document;
final el2:Dynamic = el;
if (document.fullscreenElement == null &&
doc.mozFullScreenElement == null &&
doc.webkitFullscreenElement == null) {
if (el.requestFullscreen != null) {
el.requestFullscreen();
} else if (el2.mozRequestFullScreen != null) {
el2.mozRequestFullScreen();
} else if (el2.webkitRequestFullscreen != null) {
el2.webkitRequestFullscreen(untyped Element.ALLOW_KEYBOARD_INPUT);
} else state = false;
} else {
if (doc.cancelFullScreen != null) doc.cancelFullScreen();
else if (doc.mozCancelFullScreen != null) doc.mozCancelFullScreen();
else if (doc.webkitCancelFullScreen != null) doc.webkitCancelFullScreen();
state = false;
}
return state;
}
public static function copyToClipboard(text:String):Void {
final clipboardData = (window : Dynamic).clipboardData;
if (clipboardData != null && clipboardData.setData != null) {
// IE-specific code path to prevent textarea being shown while dialog is visible.
clipboardData.setData("Text", text);
return;
} else if ((document : Dynamic).queryCommandSupported != null) {
final textarea = document.createTextAreaElement();
textarea.textContent = text;
// Prevent scrolling to bottom of page in Microsoft Edge.
textarea.style.position = "fixed";
document.body.appendChild(textarea);
textarea.select();
try {
// Security exception may be thrown by some browsers.
document.execCommand("copy");
}
document.body.removeChild(textarea);
}
}
}
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