X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/5a85c6bfca6be44dadd58eedd0d9f0d1d5619e5f..c544fb231402a1111fbc42dd7bae87aed6b0f4dc:/clipboard.js

diff --git a/clipboard.js b/clipboard.js
index cbf43d6..8ef21d1 100644
--- a/clipboard.js
+++ b/clipboard.js
@@ -5,29 +5,31 @@ function clipboardcopy(val) {
 		return window.clipboardData.setData('text', val);
 	}
 
-	if (netscape && netscape.security) {
-		// request access to XPCOM api
-		try {
-			netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
-		}
-		catch(e) {
-			if (copyhint)
-				alert('Cannot access clipboard.\nSet boolean signed.applets.codebase_principal_support in about:config');
-			copyhint = false;
-			return false;
-		}
+	if (document.queryCommandSupported('copy')) {
+		var textArea = document.createElement('textarea');
 
-		// use nsIClipboard interface
+		// minimise styling in case it is (briefly) rendered
+		textArea.style.position = 'fixed';
+		textArea.style.top = 0;
+		textArea.style.left = 0;
+		textArea.style.width = '2em';
+		textArea.style.height = '2em';
+		textArea.style.padding = 0;
+		textArea.style.border = 'none';
+		textArea.style.outline = 'none';
+		textArea.style.boxShadow = 'none';
+		textArea.style.background = 'transparent';
+
+		// temporarily add input field to copy text from
+		textArea.value = val;
+		document.body.appendChild(textArea);
 		try {
-			Components.classes['@mozilla.org/widget/clipboardhelper;1']
-				.getService(Components.interfaces.nsIClipboardHelper)
-				.copyString(val);
-			return true;
-		}
-		catch(e) {
-			alert('Copy failed');
-			return false;
+			textArea.select();
+			document.execCommand('copy');
+		} catch (e) {
+			console.log('could not copy "'+val+'" to clipboard');
 		}
+		document.body.removeChild(textArea);
 	}
 }