<html> <body> <script> var numPrompts = 0; function handlePrompt(e) { numPrompts++; // The first two prompts should be "child1:ready" and "child2:ready". Once // we get both of these, forward the child's prompt up to our parent. if (numPrompts == 2) { // This has to happen here, because setVisibile doesn't exist on the iframe // until BrowserElementChild.js is loaded in it. (That's pretty broken...) iframe2.setVisible(false); } else if (numPrompts == 3) { if (e.detail.message != 'child2:hidden') { alert("parent:fail Didn't get expected 'child2:hidden'."); } alert('parent:ready'); } else if (numPrompts == 4 || numPrompts == 5) { alert(e.detail.message); } } var iframe1 = document.createElement('iframe'); iframe1.setAttribute("mozbrowser", "true"); iframe1.addEventListener('mozbrowsershowmodalprompt', handlePrompt); var iframe2 = document.createElement('iframe'); iframe2.setAttribute("mozbrowser", "true"); iframe2.addEventListener('mozbrowsershowmodalprompt', handlePrompt); iframe1.src = 'file_browserElement_SetVisibleFrames_Inner.html?child1'; iframe2.src = 'file_browserElement_SetVisibleFrames_Inner.html?child2'; document.body.appendChild(iframe1); document.body.appendChild(iframe2); </script> </body> </html>