146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)/* Copyright 2014 The Chromium Authors. All rights reserved. 246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * Use of this source code is governed by a BSD-style license that can be 346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * found in the LICENSE file. 446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) */ 546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 61320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci/* From ppp_message_handler.idl modified Wed Sep 24 10:48:49 2014. */ 746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#ifndef PPAPI_C_PPP_MESSAGE_HANDLER_H_ 946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#define PPAPI_C_PPP_MESSAGE_HANDLER_H_ 1046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 1146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "ppapi/c/pp_bool.h" 1246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "ppapi/c/pp_instance.h" 1346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "ppapi/c/pp_macros.h" 1446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "ppapi/c/pp_stdint.h" 1546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "ppapi/c/pp_var.h" 1646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 1746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)/** 1846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @file 1946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * This file defines the <code>PPP_MessageHandler</code> interface that plugins 2046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * can implement and register using PPB_Messaging::RegisterMessageHandler in 2146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * order to handle messages sent from JavaScript via postMessage() or 2246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * postMessageAndAwaitResponse(). 2346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) */ 2446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 2546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 2646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)/** 2746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @addtogroup Interfaces 2846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @{ 2946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) */ 3046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)/** 3146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * The <code>PPP_MessageHandler</code> interface is implemented by the plugin 3246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * if the plugin wants to receive messages from a thread other than the main 3346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * Pepper thread, or if the plugin wants to handle blocking messages which 3446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * JavaScript may send via postMessageAndAwaitResponse(). 3546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * 3646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * This interface struct should not be returned by PPP_GetInterface; instead it 3746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * must be passed as a parameter to PPB_Messaging::RegisterMessageHandler. 3846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) */ 391320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccistruct PPP_MessageHandler_0_2 { 4046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) /** 4146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * Invoked as a result of JavaScript invoking postMessage() on the plugin's 4246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * DOM element. 4346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * 4446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @param[in] instance A <code>PP_Instance</code> identifying one instance 4546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * of a module. 4646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @param[in] user_data is the same pointer which was provided by a call to 471320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * RegisterMessageHandler(). 4846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @param[in] message A copy of the parameter that JavaScript provided to 4946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * postMessage(). 5046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) */ 5146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) void (*HandleMessage)(PP_Instance instance, 52f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) void* user_data, 531320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const struct PP_Var* message); 5446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) /** 5546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * Invoked as a result of JavaScript invoking postMessageAndAwaitResponse() 5646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * on the plugin's DOM element. 5746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * 581320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * NOTE: JavaScript execution is blocked during the duration of this call. 591320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * Hence, the plugin should respond as quickly as possible. For this reason, 601320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * blocking completion callbacks are disallowed while handling a blocking 611320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * message. 621320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * 6346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @param[in] instance A <code>PP_Instance</code> identifying one instance 6446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * of a module. 6546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @param[in] user_data is the same pointer which was provided by a call to 661320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * RegisterMessageHandler(). 6746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @param[in] message is a copy of the parameter that JavaScript provided 681320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * to postMessageAndAwaitResponse(). 691320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * @param[out] response will be copied to a JavaScript object which is 701320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * returned as the result of postMessageAndAwaitResponse() to the invoking 711320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci * 7246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) */ 731320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci void (*HandleBlockingMessage)(PP_Instance instance, 741320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci void* user_data, 751320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const struct PP_Var* message, 761320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci struct PP_Var* response); 7746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) /** 7846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * Invoked when the handler object is no longer needed. After this, no more 7946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * calls will be made which pass this same value for <code>instance</code> 8046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * and <code>user_data</code>. 8146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * 8246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @param[in] instance A <code>PP_Instance</code> identifying one instance 8346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * of a module. 8446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @param[in] user_data is the same pointer which was provided by a call to 8546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * RegisterMessageHandler. 8646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) */ 8746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) void (*Destroy)(PP_Instance instance, void* user_data); 8846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)}; 891320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 901320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccitypedef struct PPP_MessageHandler_0_2 PPP_MessageHandler; 9146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)/** 9246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) * @} 9346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) */ 9446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 9546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#endif /* PPAPI_C_PPP_MESSAGE_HANDLER_H_ */ 9646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 97