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/*
* 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* SyncronizedWidgetObserver.h
* Transfers widget add/remove events to another thread.
* Copyright (C) 2014 Simon Newton
*/
#ifndef PLUGINS_USBDMX_SYNCRONIZEDWIDGETOBSERVER_H_
#define PLUGINS_USBDMX_SYNCRONIZEDWIDGETOBSERVER_H_
#include "plugins/usbdmx/WidgetFactory.h"
#include "ola/io/SelectServerInterface.h"
#include "ola/thread/Future.h"
#include "ola/thread/Thread.h"
namespace ola {
namespace plugin {
namespace usbdmx {
/**
* @brief Transfers widget add/remove events to another thread.
*
* The SyncronizedWidgetObserver ensures that all widget add/removed events are
* handled in the thread that created the SyncronizedWidgetObserver object.
*/
class SyncronizedWidgetObserver : public WidgetObserver {
public:
/**
* @brief Create a new SyncronizedWidgetObserver.
* @param observer the observer to notify on add/remove events.
* @param ss The ss to use the schedule events on.
*/
SyncronizedWidgetObserver(WidgetObserver *observer,
ola::io::SelectServerInterface *ss);
bool NewWidget(class AnymauDMX *widget) {
return DispatchNewWidget(widget);
}
bool NewWidget(class DMXCProjectsNodleU1 *widget) {
return DispatchNewWidget(widget);
}
bool NewWidget(class EurolitePro *widget) {
return DispatchNewWidget(widget);
}
bool NewWidget(ola::usb::JaRuleWidget *widget) {
return DispatchNewWidget(widget);
}
bool NewWidget(class ScanlimeFadecandy *widget) {
return DispatchNewWidget(widget);
}
bool NewWidget(class Sunlite *widget) {
return DispatchNewWidget(widget);
}
bool NewWidget(class VellemanK8062 *widget) {
return DispatchNewWidget(widget);
}
private:
typedef ola::thread::Future<bool> AddFuture;
WidgetObserver* const m_observer;
ola::io::SelectServerInterface* const m_ss;
const ola::thread::ThreadId m_main_thread_id;
template<typename WidgetClass>
bool DispatchNewWidget(WidgetClass *widget);
template<typename WidgetClass>
void HandleNewWidget(WidgetClass *widget, AddFuture *f);
DISALLOW_COPY_AND_ASSIGN(SyncronizedWidgetObserver);
};
} // namespace usbdmx
} // namespace plugin
} // namespace ola
#endif // PLUGINS_USBDMX_SYNCRONIZEDWIDGETOBSERVER_H_
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