1 files changed, 63 insertions, 0 deletions
diff --git a/src/client/Utils.hx b/src/client/Utils.hx
new file mode 100644
index 0000000..37de672
--- /dev/null
+++ b/src/client/Utils.hx
@@ -0,0 +1,63 @@
+package client;
+
+import js.html.Element;
+import js.Browser.document;
+import js.Browser.window;
+
+class Utils {
+
+	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 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);
+		}
+	}
+
+}