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/*
* The ManaPlus Client
* Copyright (C) 2015-2017 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef __native_client__
#include "utils/naclmessages.h"
#include <ppapi_simple/ps.h>
#include <ppapi_simple/ps_event.h>
#include <ppapi/cpp/instance.h>
#include <ppapi/cpp/var.h>
#include <mutex>
#include <condition_variable>
#include "debug.h"
struct NaclMessageHandle final
{
bool handled;
std::string type;
std::string message;
std::condition_variable condv;
};
void naclPostMessage(const std::string &type,
const std::string &message)
{
pp::Var msgVar = pp::Var(std::string(type).append(":").append(message));
pp::Instance(PSGetInstanceId()).PostMessage(msgVar);
}
static void naclMessageHandlerFunc(struct PP_Var key,
struct PP_Var value,
void* user_data)
{
NaclMessageHandle *handle = reinterpret_cast<NaclMessageHandle *>(
user_data);
if (key.type != PP_VARTYPE_STRING || value.type != PP_VARTYPE_STRING)
return;
if (pp::Var(key).AsString() != handle->type)
return;
handle->handled = true;
handle->message = pp::Var(value).AsString();
handle->condv.notify_one();
}
NaclMessageHandle *naclRegisterMessageHandler(const std::string &type)
{
NaclMessageHandle *handle = new NaclMessageHandle;
handle->handled = false;
handle->type = type;
PSEventRegisterMessageHandler(type.c_str(),
naclMessageHandlerFunc,
reinterpret_cast<void *>(handle));
return handle;
}
void naclUnregisterMessageHandler(NaclMessageHandle *handle)
{
PSEventRegisterMessageHandler(handle->type.c_str(),
nullptr,
nullptr);
delete handle;
}
std::string naclWaitForMessage(NaclMessageHandle *handle)
{
std::mutex mtx;
std::unique_lock <std::mutex> lck(mtx);
while (!handle->handled)
handle->condv.wait(lck);
handle->handled = false;
return handle->message;
}
#endif // __native_client__
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