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105 lines
2.9 KiB
105 lines
2.9 KiB
/*
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* Copyright (C) 2015-2016 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QWebFrame>
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#include "UBWidgetMessageAPI.h"
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#include "core/UBApplication.h"
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#include "core/memcheck.h"
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UBWidgetMessageAPI::UBWidgetMessageAPI(UBGraphicsWidgetItem *graphicsWidgetItem, QObject *parent)
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: QObject(parent)
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, mGraphicsWidgetItem(graphicsWidgetItem)
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{
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connect(UBWidgetAPIMessageBroker::instance(), SIGNAL(newMessage(const QString&, const QString&)), this, SLOT(onNewMessage(const QString&, const QString&)), Qt::QueuedConnection);
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}
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UBWidgetMessageAPI::~UBWidgetMessageAPI()
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{
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// NOOP
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}
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void UBWidgetMessageAPI::sendMessage(const QString& pTopicName, const QString& pMessage)
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{
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UBWidgetAPIMessageBroker::instance()->sendMessage(pTopicName, pMessage);
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}
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void UBWidgetMessageAPI::onNewMessage(const QString& pTopicName, const QString& pMessage)
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{
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if (mSubscribedTopics.contains(pTopicName))
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{
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if (mGraphicsWidgetItem && mGraphicsWidgetItem->page() && mGraphicsWidgetItem->page()->mainFrame())
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{
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QString js;
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js += "if(widget && widget.messages && widget.messages.onmessage)";
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js += "{widget.messages.onmessage('";
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js += pMessage + "', '" + pTopicName + "')}";
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mGraphicsWidgetItem->page()->
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mainFrame()->evaluateJavaScript(js);
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}
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}
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}
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UBWidgetAPIMessageBroker* UBWidgetAPIMessageBroker::sInstance = 0;
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UBWidgetAPIMessageBroker::UBWidgetAPIMessageBroker(QObject *parent)
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: QObject(parent)
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{
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// NOOP
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}
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UBWidgetAPIMessageBroker::~UBWidgetAPIMessageBroker()
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{
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// NOOP
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}
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UBWidgetAPIMessageBroker* UBWidgetAPIMessageBroker::instance()
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{
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if (!sInstance)
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sInstance = new UBWidgetAPIMessageBroker(UBApplication::staticMemoryCleaner);
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return sInstance;
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}
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void UBWidgetAPIMessageBroker::sendMessage(const QString& pTopicName, const QString& pMessage)
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{
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emit newMessage(pTopicName, pMessage);
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}
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