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Side by Side Diff: ppapi/api/ppp_message_handler.idl

Issue 564573002: PPAPI: Make PPP_MessageHandler work in PNaCl (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Merge Created 6 years, 3 months ago
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1 /* Copyright 2014 The Chromium Authors. All rights reserved. 1 /* Copyright 2014 The Chromium Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be 2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file. 3 * found in the LICENSE file.
4 */ 4 */
5 5
6 /** 6 /**
7 * This file defines the <code>PPP_MessageHandler</code> interface that plugins 7 * This file defines the <code>PPP_MessageHandler</code> interface that plugins
8 * can implement and register using PPB_Messaging::RegisterMessageHandler in 8 * can implement and register using PPB_Messaging::RegisterMessageHandler in
9 * order to handle messages sent from JavaScript via postMessage() or 9 * order to handle messages sent from JavaScript via postMessage() or
10 * postMessageAndAwaitResponse(). 10 * postMessageAndAwaitResponse().
11 */ 11 */
12 12
13 label Chrome { 13 label Chrome {
14 [channel=none] M37 = 0.1 14 [channel=dev] M39 = 0.2
15 }; 15 };
16 16
17 /** 17 /**
18 * The <code>PPP_MessageHandler</code> interface is implemented by the plugin 18 * The <code>PPP_MessageHandler</code> interface is implemented by the plugin
19 * if the plugin wants to receive messages from a thread other than the main 19 * if the plugin wants to receive messages from a thread other than the main
20 * Pepper thread, or if the plugin wants to handle blocking messages which 20 * Pepper thread, or if the plugin wants to handle blocking messages which
21 * JavaScript may send via postMessageAndAwaitResponse(). 21 * JavaScript may send via postMessageAndAwaitResponse().
22 * 22 *
23 * This interface struct should not be returned by PPP_GetInterface; instead it 23 * This interface struct should not be returned by PPP_GetInterface; instead it
24 * must be passed as a parameter to PPB_Messaging::RegisterMessageHandler. 24 * must be passed as a parameter to PPB_Messaging::RegisterMessageHandler.
25 */ 25 */
26 [no_interface_string] 26 [no_interface_string]
27 interface PPP_MessageHandler { 27 interface PPP_MessageHandler {
28 /** 28 /**
29 * Invoked as a result of JavaScript invoking postMessage() on the plugin's 29 * Invoked as a result of JavaScript invoking postMessage() on the plugin's
30 * DOM element. 30 * DOM element.
31 * 31 *
32 * @param[in] instance A <code>PP_Instance</code> identifying one instance 32 * @param[in] instance A <code>PP_Instance</code> identifying one instance
33 * of a module. 33 * of a module.
34 * @param[in] user_data is the same pointer which was provided by a call to 34 * @param[in] user_data is the same pointer which was provided by a call to
35 * RegisterMessageHandler. 35 * RegisterMessageHandler.
36 * @param[in] message A copy of the parameter that JavaScript provided to 36 * @param[in] message A copy of the parameter that JavaScript provided to
37 * postMessage(). 37 * postMessage().
38 */ 38 */
39 void HandleMessage([in] PP_Instance instance, 39 void HandleMessage([in] PP_Instance instance,
40 [inout] mem_t user_data, 40 [inout] mem_t user_data,
41 [in] PP_Var message); 41 [constptr_in] PP_Var message);
42 /** 42 /**
43 * Invoked as a result of JavaScript invoking postMessageAndAwaitResponse() 43 * Invoked as a result of JavaScript invoking postMessageAndAwaitResponse()
44 * on the plugin's DOM element. 44 * on the plugin's DOM element.
45 * 45 *
46 * @param[in] instance A <code>PP_Instance</code> identifying one instance 46 * @param[in] instance A <code>PP_Instance</code> identifying one instance
47 * of a module. 47 * of a module.
48 * @param[in] user_data is the same pointer which was provided by a call to 48 * @param[in] user_data is the same pointer which was provided by a call to
49 * RegisterMessageHandler. 49 * RegisterMessageHandler.
50 * @param[in] message is a copy of the parameter that JavaScript provided 50 * @param[in] message is a copy of the parameter that JavaScript provided
51 * to postMessageAndAwaitResponse. 51 * to postMessageAndAwaitResponse.
52 * @return will be copied to a JavaScript object which is returned as 52 * @param[out] response will be copied to a JavaScript object which is
53 * the result of postMessageAndAwaitResponse to the invoking JavaScript. 53 * returned as the result of postMessageAndAwaitResponse to the invoking
54 JavaScript.
54 */ 55 */
55 PP_Var HandleBlockingMessage([in] PP_Instance instance, 56 void HandleBlockingMessage([in] PP_Instance instance,
56 [inout] mem_t user_data, 57 [inout] mem_t user_data,
57 [in] PP_Var message); 58 [constptr_in] PP_Var message,
59 [out] PP_Var response);
58 /** 60 /**
59 * Invoked when the handler object is no longer needed. After this, no more 61 * Invoked when the handler object is no longer needed. After this, no more
60 * calls will be made which pass this same value for <code>instance</code> 62 * calls will be made which pass this same value for <code>instance</code>
61 * and <code>user_data</code>. 63 * and <code>user_data</code>.
62 * 64 *
63 * @param[in] instance A <code>PP_Instance</code> identifying one instance 65 * @param[in] instance A <code>PP_Instance</code> identifying one instance
64 * of a module. 66 * of a module.
65 * @param[in] user_data is the same pointer which was provided by a call to 67 * @param[in] user_data is the same pointer which was provided by a call to
66 * RegisterMessageHandler. 68 * RegisterMessageHandler.
67 */ 69 */
68 void Destroy([in] PP_Instance instance, [inout] mem_t user_data); 70 void Destroy([in] PP_Instance instance, [inout] mem_t user_data);
69 }; 71 };
70 72
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