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OpenBoard/src/api/UBWidgetMessageAPI.h

82 lines
2.0 KiB

/*
* 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
* (at your option) 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/>.
*/
#ifndef UBWIDGETMESSAGEAPI_H_
#define UBWIDGETMESSAGEAPI_H_
#include <QtCore>
#include "domain/UBGraphicsWidgetItem.h"
class UBWidgetMessageAPI : public QObject
{
Q_OBJECT;
public:
UBWidgetMessageAPI(UBGraphicsWidgetItem *graphicsWidgetItem, QObject *parent = 0);
virtual ~UBWidgetMessageAPI();
public slots:
void sendMessage(const QString& pTopicName, const QString& pMessage);
void subscribeToTopic(const QString& pTopicName)
{
mSubscribedTopics << pTopicName;
}
void unsubscribeFromTopic(const QString& pTopicName)
{
mSubscribedTopics.remove(pTopicName);
}
private slots:
void onNewMessage(const QString& pTopicName, const QString& pMessage);
private:
QSet<QString> mSubscribedTopics;
UBGraphicsWidgetItem *mGraphicsWidgetItem;
};
class UBWidgetAPIMessageBroker : public QObject
{
Q_OBJECT;
private:
UBWidgetAPIMessageBroker(QObject *parent = 0);
~UBWidgetAPIMessageBroker();
public:
static UBWidgetAPIMessageBroker* instance();
public slots:
void sendMessage(const QString& pTopicName, const QString& pMessage);
signals:
void newMessage(const QString& pTopicName, const QString& pMessage);
private:
static UBWidgetAPIMessageBroker* sInstance;
};
#endif /* UBWIDGETMESSAGEAPI_H_ */