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// Copyright (c) 2013 Intel Corporation. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef XWALK_EXTENSIONS_PUBLIC_XW_EXTENSION_SYNCMESSAGE_H_
#define XWALK_EXTENSIONS_PUBLIC_XW_EXTENSION_SYNCMESSAGE_H_
// NOTE: This file and interfaces marked as internal are not considered stable
// and can be modified in incompatible ways between Crosswalk versions.
#ifndef XWALK_EXTENSIONS_PUBLIC_XW_EXTENSION_H_
#error "You should include XW_Extension.h before this file"
#endif
#ifdef __cplusplus
extern "C" {
#endif
//
// XW_INTERNAL_SYNC_MESSAGING_INTERFACE: allow JavaScript code to send a
// synchronous message to extension code and block until response is
// available. The response is made available by calling the SetSyncReply
// function, that can be done from outside the context of the SyncMessage
// handler.
//
#define XW_INTERNAL_SYNC_MESSAGING_INTERFACE_1 \
"XW_InternalSyncMessagingInterface_1"
#define XW_INTERNAL_SYNC_MESSAGING_INTERFACE \
XW_INTERNAL_SYNC_MESSAGING_INTERFACE_1
typedef void (*XW_HandleSyncMessageCallback)(XW_Instance instance,
const char* message);
struct XW_Internal_SyncMessagingInterface_1 {
void (*Register)(XW_Extension extension,
XW_HandleSyncMessageCallback handle_sync_message);
void (*SetSyncReply)(XW_Instance instance, const char* reply);
};
typedef struct XW_Internal_SyncMessagingInterface_1
XW_Internal_SyncMessagingInterface;
#ifdef __cplusplus
} // extern "C"
#endif
#endif // XWALK_EXTENSIONS_PUBLIC_XW_EXTENSION_SYNCMESSAGE_H_
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