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/* $Id: UIExtraDataEventHandler.cpp $ */
/** @file
*
* VBox frontends: Qt GUI ("VirtualBox"):
* UIExtraDataEventHandler class implementation
*/
/*
* Copyright (C) 2010-2013 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/* Qt includes: */
#include <QMutex>
/* GUI includes: */
#include "UIExtraDataEventHandler.h"
#include "UIMainEventListener.h"
#include "VBoxGlobal.h"
#include "VBoxGlobalSettings.h"
#include "UIActionPool.h"
/* COM includes: */
#include "COMEnums.h"
#include "CEventSource.h"
class UIExtraDataEventHandlerPrivate: public QObject
{
Q_OBJECT;
public:
UIExtraDataEventHandlerPrivate(QObject *pParent = 0)
: QObject(pParent)
{}
public slots:
void sltExtraDataCanChange(QString strId, QString strKey, QString strValue, bool &fVeto, QString &strVetoReason)
{
if (QUuid(strId).isNull())
{
/* it's a global extra data key someone wants to change */
if (strKey.startsWith("GUI/"))
{
/* Try to set the global setting to check its syntax */
VBoxGlobalSettings gs(false /* non-null */);
if (gs.setPublicProperty (strKey, strValue))
{
/* this is a known GUI property key */
if (!gs)
{
strVetoReason = gs.lastError();
/* disallow the change when there is an error*/
fVeto = true;
}
return;
}
}
}
}
void sltExtraDataChange(QString strId, QString strKey, QString strValue)
{
if (QUuid(strId).isNull())
{
if (strKey.startsWith ("GUI/"))
{
if (strKey == GUI_LanguageId)
emit sigGUILanguageChange(strValue);
if (strKey == GUI_Input_SelectorShortcuts && gActionPool->type() == UIActionPoolType_Selector)
emit sigSelectorShortcutsChanged();
if (strKey == GUI_Input_MachineShortcuts && gActionPool->type() == UIActionPoolType_Runtime)
emit sigMachineShortcutsChanged();
#ifdef Q_WS_MAC
if (strKey == GUI_PresentationModeEnabled)
{
/* Default to true if it is an empty value */
QString testStr = strValue.toLower();
bool f = (testStr.isEmpty() || testStr == "false");
emit sigPresentationModeChange(f);
}
#endif /* Q_WS_MAC */
m_mutex.lock();
vboxGlobal().settings().setPublicProperty(strKey, strValue);
m_mutex.unlock();
Assert(!!vboxGlobal().settings());
}
}
else if (vboxGlobal().isVMConsoleProcess())
{
/* Take care about HID LEDs sync */
if (strKey == GUI_HidLedsSync)
{
/* If extra data GUI/HidLedsSync is not present in VM config or set
* to 1 then sync is enabled. Otherwise, it is disabled. */
/* (temporary disabled by default) */
bool f = (strValue == "1") ? true : false;
emit sigHidLedsSyncStateChanged(f);
}
#ifdef Q_WS_MAC
/* Check for the currently running machine */
if (strId == vboxGlobal().managedVMUuid())
{
if ( strKey == GUI_RealtimeDockIconUpdateEnabled
|| strKey == GUI_RealtimeDockIconUpdateMonitor)
{
bool f = strValue.toLower() == "false" ? false : true;
emit sigDockIconAppearanceChange(f);
}
}
#endif /* Q_WS_MAC */
}
}
signals:
void sigGUILanguageChange(QString strLang);
void sigSelectorShortcutsChanged();
void sigMachineShortcutsChanged();
void sigHidLedsSyncStateChanged(bool fEnabled);
#ifdef RT_OS_DARWIN
void sigPresentationModeChange(bool fEnabled);
void sigDockIconAppearanceChange(bool fEnabled);
#endif /* RT_OS_DARWIN */
private:
/** protects #OnExtraDataChange() */
QMutex m_mutex;
};
/* static */
UIExtraDataEventHandler *UIExtraDataEventHandler::m_pInstance = 0;
/* static */
UIExtraDataEventHandler* UIExtraDataEventHandler::instance()
{
if (!m_pInstance)
m_pInstance = new UIExtraDataEventHandler();
return m_pInstance;
}
/* static */
void UIExtraDataEventHandler::destroy()
{
if (m_pInstance)
{
delete m_pInstance;
m_pInstance = 0;
}
}
UIExtraDataEventHandler::UIExtraDataEventHandler()
: m_pHandler(new UIExtraDataEventHandlerPrivate(this))
{
// RTPrintf("Self add: %RTthrd\n", RTThreadSelf());
const CVirtualBox &vbox = vboxGlobal().virtualBox();
ComObjPtr<UIMainEventListenerImpl> pListener;
pListener.createObject();
pListener->init(new UIMainEventListener(), this);
m_mainEventListener = CEventListener(pListener);
QVector<KVBoxEventType> events;
events
<< KVBoxEventType_OnExtraDataCanChange
<< KVBoxEventType_OnExtraDataChanged;
vbox.GetEventSource().RegisterListener(m_mainEventListener, events, TRUE);
AssertWrapperOk(vbox);
/* This is a vetoable event, so we have to respond to the event and have to
* use a direct connection therefor. */
connect(pListener->getWrapped(), SIGNAL(sigExtraDataCanChange(QString, QString, QString, bool&, QString&)),
m_pHandler, SLOT(sltExtraDataCanChange(QString, QString, QString, bool&, QString&)),
Qt::DirectConnection);
/* Use a direct connection to the helper class. */
connect(pListener->getWrapped(), SIGNAL(sigExtraDataChange(QString, QString, QString)),
m_pHandler, SLOT(sltExtraDataChange(QString, QString, QString)),
Qt::DirectConnection);
/* UI signals */
connect(m_pHandler, SIGNAL(sigGUILanguageChange(QString)),
this, SIGNAL(sigGUILanguageChange(QString)),
Qt::QueuedConnection);
connect(m_pHandler, SIGNAL(sigSelectorShortcutsChanged()),
this, SIGNAL(sigSelectorShortcutsChanged()),
Qt::QueuedConnection);
connect(m_pHandler, SIGNAL(sigMachineShortcutsChanged()),
this, SIGNAL(sigMachineShortcutsChanged()),
Qt::QueuedConnection);
connect(m_pHandler, SIGNAL(sigHidLedsSyncStateChanged(bool)),
this, SIGNAL(sigHidLedsSyncStateChanged(bool)),
Qt::QueuedConnection);
#ifdef Q_WS_MAC
connect(m_pHandler, SIGNAL(sigPresentationModeChange(bool)),
this, SIGNAL(sigPresentationModeChange(bool)),
Qt::QueuedConnection);
connect(m_pHandler, SIGNAL(sigDockIconAppearanceChange(bool)),
this, SIGNAL(sigDockIconAppearanceChange(bool)),
Qt::QueuedConnection);
#endif /* Q_WS_MAC */
}
UIExtraDataEventHandler::~UIExtraDataEventHandler()
{
const CVirtualBox &vbox = vboxGlobal().virtualBox();
vbox.GetEventSource().UnregisterListener(m_mainEventListener);
}
#include "UIExtraDataEventHandler.moc"
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