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/* 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.
*/
/**
* This file defines the PPP_Messaging interface containing pointers to
* functions that you must implement to handle postMessage messages
* on the associated DOM element.
*
*/
label Chrome {
M14 = 1.0
};
/**
* The <code>PPP_Messaging</code> interface contains pointers to functions
* that you must implement to handle postMessage events on the associated
* DOM element.
*/
interface PPP_Messaging {
/**
* HandleMessage() is a function that the browser calls when PostMessage()
* is invoked on the DOM element for the module instance in JavaScript. Note
* that PostMessage() in the JavaScript interface is asynchronous, meaning
* JavaScript execution will not be blocked while HandleMessage() is
* processing the message.
*
* @param[in] instance A <code>PP_Instance</code> identifying one instance
* of a module.
* @param[in] message A <code>PP_Var</code> containing the data to be sent
* to JavaScript. Message can have an int32_t, double, bool, or string value
* (objects are not supported).
*
* The following JavaScript code invokes <code>HandleMessage</code>, passing
* the module instance on which it was invoked, with <code>message</code>
* being a string <code>PP_Var</code> containing "Hello world!"
*
* <strong>Example:</strong>
*
* <code>
*
* <body>
* <object id="plugin"
* type="application/x-ppapi-postMessage-example"/>
* <script type="text/javascript">
* document.getElementById('plugin').postMessage("Hello world!");
* </script>
* </body>
*
* </code>
*
*/
void HandleMessage([in] PP_Instance instance, [in] PP_Var message);
};
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