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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation
** and appearing in the file LICENSE.LGPL included in the packaging
** of this file.
**
****************************************************************************/
#include "mkeyboardstatetracker.h"
#include "mkeyboardstatetracker_p.h"
#include <QVariant>
#include <QCoreApplication>
#include <MDebug>
MKeyboardStateTracker *MKeyboardStateTrackerPrivate::tracker = 0;
MKeyboardStateTrackerPrivate::MKeyboardStateTrackerPrivate(MKeyboardStateTracker *controller) :
#ifdef HAVE_CONTEXTSUBSCRIBER
keyboardOpenProperty("/maemo/InternalKeyboard/Open"),
#elif defined(M_OS_MAEMO5)
keyboardOpenConf("/system/osso/af/slide-open"),
#endif
q_ptr(controller),
present(false)
{
#ifdef HAVE_CONTEXTSUBSCRIBER
Q_Q(MKeyboardStateTracker);
QObject::connect(&keyboardOpenProperty, SIGNAL(valueChanged()),
q, SIGNAL(stateChanged()));
#elif defined(M_OS_MAEMO5)
Q_Q(MKeyboardStateTracker);
QObject::connect(&keyboardOpenConf, SIGNAL(valueChanged()),
q, SIGNAL(stateChanged()));
#endif
}
void MKeyboardStateTrackerPrivate::initContextSubscriber()
{
#ifdef HAVE_CONTEXTSUBSCRIBER
//waiting for properties to synchronize
keyboardOpenProperty.waitForSubscription();
// TODO: use actual ContextProperty for present, which is still unready.
present = true;
#elif defined(M_OS_MAEMO5)
present = true;
#endif
}
void MKeyboardStateTrackerPrivate::subscribe()
{
#ifdef HAVE_CONTEXTSUBSCRIBER
keyboardOpenProperty.subscribe();
#endif
}
void MKeyboardStateTrackerPrivate::unsubscribe()
{
#ifdef HAVE_CONTEXTSUBSCRIBER
keyboardOpenProperty.unsubscribe();
#endif
}
MKeyboardStateTracker::MKeyboardStateTracker() :
d_ptr(new MKeyboardStateTrackerPrivate(this))
{
setParent(QCoreApplication::instance()); //get collected when needed.
}
MKeyboardStateTracker *MKeyboardStateTracker::instance()
{
if (!MKeyboardStateTrackerPrivate::tracker)
MKeyboardStateTrackerPrivate::tracker = new MKeyboardStateTracker();
return MKeyboardStateTrackerPrivate::tracker;
}
MKeyboardStateTracker::~MKeyboardStateTracker()
{
if (this == MKeyboardStateTrackerPrivate::tracker)
MKeyboardStateTrackerPrivate::tracker = 0;
}
bool MKeyboardStateTracker::isPresent() const
{
Q_D(const MKeyboardStateTracker);
return d->present;
}
bool MKeyboardStateTracker::isOpen() const
{
bool val = false;
#ifdef HAVE_CONTEXTSUBSCRIBER
Q_D(const MKeyboardStateTracker);
MKeyboardStateTrackerPrivate* trackerPriv = const_cast<MKeyboardStateTrackerPrivate*>(d);
if (!isPresent()) {
trackerPriv->subscribe();
trackerPriv->initContextSubscriber();
}
val = d->keyboardOpenProperty.value().toBool();
#elif defined(M_OS_MAEMO5)
Q_D(const MKeyboardStateTracker);
val = d->keyboardOpenConf.value().toBool();
#endif
return val;
}
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