| <!DOCTYPE html> |
| <html> |
| <!-- |
| Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| <head> |
| <title>postMessage Example</title> |
| <script> |
| |
| function HandleMessage(message_event) { |
| if (message_event.data) { |
| alert("The string was a palindrome."); |
| } else { |
| alert("The string was not a palindrome."); |
| } |
| } |
| |
| function AddListener() { |
| var plugin = document.getElementById("plugin"); |
| plugin.addEventListener("message", HandleMessage, false); |
| } |
| document.addEventListener("DOMContentLoaded", AddListener, false); |
| |
| </script> |
| </head> |
| |
| <body> |
| <script> |
| |
| function SendString() { |
| var plugin = document.getElementById("plugin"); |
| var inputBox = document.getElementById("inputBox"); |
| |
| // Send the string to the plugin using postMessage. This results in a call |
| // to Instance::HandleMessage in C++ (or PPP_Messaging::HandleMessage in C). |
| plugin.postMessage(inputBox.value); |
| } |
| |
| </script> |
| |
| <input type="text" id="inputBox" name="inputBox" value="ablewasiereisawelba"/> |
| <p> |
| <button onclick="SendString()">Is Palindrome</button> |
| <object id="plugin" type="application/x-ppapi-post-message-example" |
| width="1" height="1"/> |
| <hr> |
| </body> |
| </html> |
| |
