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60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
//! Copyright (C) 2013 Roland Winklmeier
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//! This Source Code Form is subject to the terms of the Mozilla Public
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//! License, v. 2.0. If a copy of the MPL was not distributed with this
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//! file, You can obtain one at http://mozilla.org/MPL/2.0/
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#ifndef MESSAGE_FACTORY_H
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#define MESSAGE_FACTORY_H
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#include <QHash>
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#include "blackmisc/message.h"
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#include "blackmisc/gui_messages.h"
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#include "blackmisc/debug.h"
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#include "blackmisc/context.h"
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#define REGISTER_MESSAGE(classname, msgName) new MessageCreatorImpl<classname>(#msgName);
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namespace BlackMisc
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{
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class IMessageCreator
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{
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public:
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IMessageCreator(const QString& messageID);
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virtual IMessage* create() = 0;
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};
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template <class T>
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class MessageCreatorImpl : public IMessageCreator
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{
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public:
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MessageCreatorImpl(const QString& messageID) : IMessageCreator(messageID) {}
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virtual IMessage* create() { return new T; }
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};
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class CMessageFactory
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{
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// safe singleton declaration
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SINGLETON_CLASS_DECLARATION(CMessageFactory)
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CMessageFactory() { }
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public:
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virtual ~CMessageFactory();
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IMessage* create (const QString &messageID);
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void registerMessage(const QString &messageID, IMessageCreator* creator);
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static void registerMessages();
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private:
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typedef QHash<QString, IMessageCreator*> TMessageCreatorHash;
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TMessageCreatorHash m_creators;
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};
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} // namespace BlackMisc
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#endif // MESSAGE_FACTORY_H
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