новые иконки в OpenBoard
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
OpenBoard/src/api/UBWidgetMessageAPI.cpp

105 lines
2.9 KiB

/*
* Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM)
*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard 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, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard 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 OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QWebFrame>
#include "UBWidgetMessageAPI.h"
#include "core/UBApplication.h"
#include "core/memcheck.h"
UBWidgetMessageAPI::UBWidgetMessageAPI(UBGraphicsWidgetItem *graphicsWidgetItem, QObject *parent)
: QObject(parent)
, mGraphicsWidgetItem(graphicsWidgetItem)
{
connect(UBWidgetAPIMessageBroker::instance(), SIGNAL(newMessage(const QString&, const QString&)), this, SLOT(onNewMessage(const QString&, const QString&)), Qt::QueuedConnection);
}
UBWidgetMessageAPI::~UBWidgetMessageAPI()
{
// NOOP
}
void UBWidgetMessageAPI::sendMessage(const QString& pTopicName, const QString& pMessage)
{
UBWidgetAPIMessageBroker::instance()->sendMessage(pTopicName, pMessage);
}
void UBWidgetMessageAPI::onNewMessage(const QString& pTopicName, const QString& pMessage)
{
if (mSubscribedTopics.contains(pTopicName))
{
if (mGraphicsWidgetItem && mGraphicsWidgetItem->page() && mGraphicsWidgetItem->page()->mainFrame())
{
QString js;
js += "if(widget && widget.messages && widget.messages.onmessage)";
js += "{widget.messages.onmessage('";
js += pMessage + "', '" + pTopicName + "')}";
mGraphicsWidgetItem->page()->
mainFrame()->evaluateJavaScript(js);
}
}
}
UBWidgetAPIMessageBroker* UBWidgetAPIMessageBroker::sInstance = 0;
UBWidgetAPIMessageBroker::UBWidgetAPIMessageBroker(QObject *parent)
: QObject(parent)
{
// NOOP
}
UBWidgetAPIMessageBroker::~UBWidgetAPIMessageBroker()
{
// NOOP
}
UBWidgetAPIMessageBroker* UBWidgetAPIMessageBroker::instance()
{
if (!sInstance)
sInstance = new UBWidgetAPIMessageBroker(UBApplication::staticMemoryCleaner);
return sInstance;
}
void UBWidgetAPIMessageBroker::sendMessage(const QString& pTopicName, const QString& pMessage)
{
emit newMessage(pTopicName, pMessage);
}