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package client;
import js.Browser.document;
import js.Browser.navigator;
import js.Browser.window;
import js.html.Element;
import js.html.URL;
class Utils {
public static function isTouch():Bool {
return js.Syntax.code("'ontouchstart' in window");
}
public static function isIOS():Bool {
return ~/^(iPhone|iPad|iPod)/.match(navigator.platform)
|| (~/^Mac/.match(navigator.platform) && navigator.maxTouchPoints > 4);
}
public static function nodeFromString(div:String):Element {
final wrapper = document.createDivElement();
wrapper.innerHTML = div;
return wrapper.firstElementChild;
}
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 hasFullscreen():Bool {
final doc:Dynamic = document;
return (document.fullscreenElement != null || doc.mozFullScreenElement != null
|| doc.webkitFullscreenElement != null);
}
public static function requestFullscreen(el:Element):Bool {
final el2:Dynamic = el;
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 return false;
return true;
}
public static function cancelFullscreen(el:Element):Void {
final doc:Dynamic = document;
if (doc.cancelFullScreen != null) doc.cancelFullScreen();
else if (doc.mozCancelFullScreen != null) doc.mozCancelFullScreen();
else if (doc.webkitCancelFullScreen != null) doc.webkitCancelFullScreen();
}
public static function toggleFullscreen(el:Element):Bool {
if (hasFullscreen()) {
cancelFullscreen(el);
return false;
}
return requestFullscreen(el);
}
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);
}
}
public static function matchedNum(ereg:EReg):Int {
#if js
return (ereg : Dynamic).r.m.length;
#else
#error "not implemented"
#end
}
public static function browseFileUrl(
onFileLoad:(url:String, name:String) -> Void,
isBinary = true,
revoke = false
):Void {
final input = document.createElement("input");
input.style.visibility = "hidden";
input.setAttribute("type", "file");
input.id = "browse";
input.onclick = function(e) {
e.cancelBubble = true;
e.stopPropagation();
}
input.onchange = function() {
final file:Dynamic = (input : Dynamic).files[0];
final url = URL.createObjectURL(file);
onFileLoad(url, file.name);
document.body.removeChild(input);
if (revoke) URL.revokeObjectURL(url);
}
document.body.appendChild(input);
input.click();
}
}
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