Files
libreoffice/sd/source/ui/framework/module/ReadOnlyModeObserver.cxx
Rüdiger Timm a6640faedd INTEGRATION: CWS components1 (1.1.2); FILE ADDED
2007/03/19 09:46:56 af 1.1.2.5: #i75055# Resolved a shadow variable.
2007/03/15 09:31:31 af 1.1.2.4: #i74543# Using UNO listener instead of function object callback.
2007/03/07 10:44:08 af 1.1.2.3: #i75056# Generalized ReadOnlyModeObserver by having it call a callback object when the read-write mode changes.
2007/03/01 10:03:53 af 1.1.2.2: #i74543# Added inclusion of precompiled headers.
2007/02/16 13:57:45 af 1.1.2.1: #i74543# Initial revision.
2007-04-03 14:53:35 +00:00

240 lines
6.9 KiB
C++

/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ReadOnlyModeObserver.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2007-04-03 15:53:35 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* 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.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#include "precompiled_sd.hxx"
#include "ReadOnlyModeObserver.hxx"
#include <com/sun/star/drawing/framework/XControllerManager.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/util/XURLTransformer.hpp>
#include <comphelper/processfactory.hxx>
#include <cppuhelper/interfacecontainer.hxx>
#include "tools/SlotStateListener.hxx"
#include "framework/FrameworkHelper.hxx"
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star;
using namespace ::com::sun::star::drawing::framework;
using ::rtl::OUString;
namespace sd { namespace framework {
class ReadOnlyModeObserver::ModifyBroadcaster
: public ::cppu::OBroadcastHelper
{
public:
explicit ModifyBroadcaster (::osl::Mutex& rOslMutex) : ::cppu::OBroadcastHelper(rOslMutex) {}
};
ReadOnlyModeObserver::ReadOnlyModeObserver (
const Reference<frame::XController>& rxController)
: ReadOnlyModeObserverInterfaceBase(maMutex),
maSlotNameURL(),
mxController(rxController),
mxConfigurationController(NULL),
mxDispatch(NULL),
mpBroadcaster(new ModifyBroadcaster(maMutex))
{
// Create a URL object for the slot name.
maSlotNameURL.Complete = OUString::createFromAscii(".uno:EditDoc");
uno::Reference<lang::XMultiServiceFactory> xServiceManager (
::comphelper::getProcessServiceFactory());
if (xServiceManager.is())
{
Reference<util::XURLTransformer> xTransformer(xServiceManager->createInstance(
OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.util.URLTransformer"))),
UNO_QUERY);
if (xTransformer.is())
xTransformer->parseStrict(maSlotNameURL);
}
if ( ! ConnectToDispatch())
{
// The controller is not yet connected to a frame. This means that
// the dispatcher is not yet set up. We wait for this to happen by
// waiting for configuration updates and try again.
Reference<XControllerManager> xControllerManager (rxController, UNO_QUERY);
if (xControllerManager.is())
{
mxConfigurationController = xControllerManager->getConfigurationController();
if (mxConfigurationController.is())
{
mxConfigurationController->addConfigurationChangeListener(
this,
FrameworkHelper::msConfigurationUpdateStartEvent,
Any());
}
}
}
}
ReadOnlyModeObserver::~ReadOnlyModeObserver (void)
{
}
void SAL_CALL ReadOnlyModeObserver::disposing (void)
{
if (mxController.is())
{
mxController = NULL;
}
if (mxConfigurationController.is())
{
mxConfigurationController->removeConfigurationChangeListener(this);
mxConfigurationController = NULL;
}
if (mxDispatch.is())
{
mxDispatch->removeStatusListener(this, maSlotNameURL);
mxDispatch = NULL;
}
lang::EventObject aEvent;
aEvent.Source = static_cast<XWeak*>(this);
::cppu::OInterfaceContainerHelper* pIterator
= mpBroadcaster->getContainer(getCppuType((Reference<frame::XStatusListener>*)NULL));
pIterator->disposeAndClear(aEvent);
}
void ReadOnlyModeObserver::AddStatusListener (
const Reference<frame::XStatusListener>& rxListener)
{
mpBroadcaster->addListener(
getCppuType((Reference<frame::XStatusListener>*)NULL),
rxListener);
}
void ReadOnlyModeObserver::RemoveStatusListener (
const Reference<frame::XStatusListener>& rxListener)
{
mpBroadcaster->removeListener(
getCppuType((Reference<frame::XStatusListener>*)NULL),
rxListener);
}
bool ReadOnlyModeObserver::ConnectToDispatch (void)
{
if ( ! mxDispatch.is())
{
// Get the dispatch object.
Reference<frame::XDispatchProvider> xProvider (mxController->getFrame(), UNO_QUERY);
if (xProvider.is())
{
mxDispatch = xProvider->queryDispatch(maSlotNameURL, OUString(), 0);
if (mxDispatch.is())
{
mxDispatch->addStatusListener(this, maSlotNameURL);
}
}
}
return mxDispatch.is();
}
void ReadOnlyModeObserver::statusChanged (const frame::FeatureStateEvent& rEvent)
throw (RuntimeException)
{
::cppu::OInterfaceContainerHelper* pIterator
= mpBroadcaster->getContainer(getCppuType((Reference<frame::XStatusListener>*)NULL));
if (pIterator != NULL)
{
pIterator->notifyEach(&frame::XStatusListener::statusChanged, rEvent);
}
}
//----- XEventListener --------------------------------------------------------
void SAL_CALL ReadOnlyModeObserver::disposing (
const lang::EventObject& rEvent)
throw (RuntimeException)
{
if (rEvent.Source == mxConfigurationController)
mxConfigurationController = NULL;
else if (rEvent.Source == mxDispatch)
mxDispatch = NULL;
dispose();
}
void SAL_CALL ReadOnlyModeObserver::notifyConfigurationChange (
const ConfigurationChangeEvent& rEvent)
throw (RuntimeException)
{
if (rEvent.Type.equals(FrameworkHelper::msConfigurationUpdateStartEvent))
{
if (mxController.is() && mxController->getFrame().is())
{
if (ConnectToDispatch())
{
// We have connected successfully to the dispatcher and
// therefore can disconnect from the configuration controller.
mxConfigurationController->removeConfigurationChangeListener(this);
mxConfigurationController = NULL;
}
}
}
}
} } // end of namespace sd::framework