| <html> |
| |
| <head><title>Post message tests</title> |
| <script> |
| // Send a message to our opener, and it will reply. |
| function postToOpener(msg, origin) { |
| window.opener.postMessage(msg, origin); |
| return true; |
| } |
| |
| // Send a message to a window named "foo". |
| function postToFoo(msg) { |
| var w = window.open("", "foo"); |
| w.postMessage(msg, "*"); |
| return true; |
| } |
| |
| // Send a message to a subframe of window named "foo". |
| function postToFooFrame(msg) { |
| var w = window.open("", "foo"); |
| w.frames[0][0].postMessage(msg, "*"); |
| return true; |
| } |
| |
| // Listen to incoming messages. |
| var receivedMessages = 0; |
| var receivedMessagesWithPort = 0; |
| window.addEventListener("message", messageReceived, false); |
| function messageReceived(event) { |
| receivedMessages++; |
| if (event.data === "2-1-reply") { |
| event.source.postMessage("msg4", "*"); |
| } |
| if (event.ports.length > 0) { |
| receivedMessagesWithPort++; |
| var port = event.ports[0]; |
| port.start(); |
| port.postMessage("msg-back-via-port"); |
| // Change the title to generate a notification. |
| document.title = event.data.message; |
| } else { |
| document.title = event.data; |
| } |
| } |
| </script> |
| </head> |
| |
| </html> |
