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authorAndrei Karas <akaras@inbox.ru>2015-12-13 19:37:50 +0300
committerAndrei Karas <akaras@inbox.ru>2015-12-13 19:39:33 +0300
commit8a7279daea883f86c2a500c368d252394faeea5b (patch)
tree02ca51df41ebe0c0acb3de0cf985f8407fcd68b4 /src/utils/naclmessages.cpp
parent909054f9606fa2c1c9825e3cf2e025df2e3710a1 (diff)
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Move nacl messages related functions into separate file.
Diffstat (limited to 'src/utils/naclmessages.cpp')
-rw-r--r--src/utils/naclmessages.cpp99
1 files changed, 99 insertions, 0 deletions
diff --git a/src/utils/naclmessages.cpp b/src/utils/naclmessages.cpp
new file mode 100644
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+++ b/src/utils/naclmessages.cpp
@@ -0,0 +1,99 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2015 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 = (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,
+ (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__