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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ConfigurationController.cxx,v $
* $Revision: 1.7.68.1 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "precompiled_sd.hxx"
#include "framework/ConfigurationController.hxx"
#include "framework/Configuration.hxx"
#include "framework/FrameworkHelper.hxx"
#include "ConfigurationUpdater.hxx"
#include "ConfigurationControllerBroadcaster.hxx"
#include "ConfigurationTracer.hxx"
#include "GenericConfigurationChangeRequest.hxx"
#include "ResourceFactoryManager.hxx"
#include "UpdateRequest.hxx"
#include "ChangeRequestQueueProcessor.hxx"
#include "ConfigurationClassifier.hxx"
#include "ViewShellBase.hxx"
#include "UpdateLockManager.hxx"
#include "DrawController.hxx"
#include <com/sun/star/drawing/framework/XControllerManager.hpp>
#include <com/sun/star/util/XURLTransformer.hpp>
#include <comphelper/stl_types.hxx>
#include <vos/mutex.hxx>
#include <vcl/svapp.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::drawing::framework;
using rtl::OUString;
using ::sd::framework::FrameworkHelper;
#undef VERBOSE
//#define VERBOSE 3
namespace sd { namespace framework {
Reference<XInterface> SAL_CALL ConfigurationController_createInstance (
const Reference<XComponentContext>& rxContext)
{
(void)rxContext;
return static_cast<XWeak*>(new ConfigurationController());
}
OUString ConfigurationController_getImplementationName (void) throw(RuntimeException)
{
return OUString(RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.comp.Draw.framework.configuration.ConfigurationController"));
}
Sequence<rtl::OUString> SAL_CALL ConfigurationController_getSupportedServiceNames (void)
throw (RuntimeException)
{
static const OUString sServiceName(OUString::createFromAscii(
"com.sun.star.drawing.framework.ConfigurationController"));
return Sequence<rtl::OUString>(&sServiceName, 1);
}
//----- ConfigurationController::Implementation -------------------------------
class ConfigurationController::Implementation
{
public:
Implementation (
ConfigurationController& rController,
const Reference<frame::XController>& rxController);
~Implementation (void);
void Initialize (const Reference<frame::XController>& rxController);
Reference<XControllerManager> mxControllerManager;
/** The Broadcaster class implements storing and calling of listeners.
*/
::boost::shared_ptr<ConfigurationControllerBroadcaster> mpBroadcaster;
/** The requested configuration which is modifed (asynchronously) by
calls to requestResourceActivation() and
requestResourceDeactivation(). The mpConfigurationUpdater makes the
current configuration reflect the content of this one.
*/
::com::sun::star::uno::Reference<
::com::sun::star::drawing::framework::XConfiguration> mxRequestedConfiguration;
ViewShellBase* mpBase;
bool mbIsInitialized;
::boost::shared_ptr<ResourceFactoryManager> mpResourceFactoryContainer;
::boost::shared_ptr<ConfigurationControllerResourceManager> mpResourceManager;
::boost::shared_ptr<ConfigurationUpdater> mpConfigurationUpdater;
/** The queue processor ownes the queue of configuration change request
objects and processes the objects.
*/
::boost::scoped_ptr<ChangeRequestQueueProcessor> mpQueueProcessor;
::boost::shared_ptr<ConfigurationUpdaterLock> mpConfigurationUpdaterLock;
sal_Int32 mnLockCount;
};
//===== ConfigurationController::Lock =========================================
ConfigurationController::Lock::Lock (const Reference<XConfigurationController>& rxController)
: mxController(rxController)
{
OSL_ASSERT(mxController.is());
if (mxController.is())
mxController->lock();
}
ConfigurationController::Lock::~Lock (void)
{
if (mxController.is())
mxController->unlock();
}
//===== ConfigurationController ===============================================
ConfigurationController::ConfigurationController (void) throw()
: ConfigurationControllerInterfaceBase(MutexOwner::maMutex),
mpImplementation(),
mbIsDisposed(false)
{
}
ConfigurationController::~ConfigurationController (void) throw()
{
}
void SAL_CALL ConfigurationController::disposing (void)
{
if (mpImplementation.get() == NULL)
return;
#if defined VERBOSE && VERBOSE>=1
OSL_TRACE("ConfigurationController::disposing\n");
OSL_TRACE(" requesting empty configuration\n");
#endif
// To destroy all resources an empty configuration is requested and then,
// synchronously, all resulting requests are processed.
mpImplementation->mpQueueProcessor->Clear();
restoreConfiguration(new Configuration(this,false));
mpImplementation->mpQueueProcessor->ProcessUntilEmpty();
#if defined VERBOSE && VERBOSE>=1
OSL_TRACE(" all requests processed\n");
#endif
// Now that all resources have been deactivated, mark the controller as
// disposed.
mbIsDisposed = true;
// Release the listeners.
lang::EventObject aEvent;
aEvent.Source = uno::Reference<uno::XInterface>((cppu::OWeakObject*)this);
{
const ::vos::OGuard aSolarGuard (Application::GetSolarMutex());
mpImplementation->mpBroadcaster->DisposeAndClear();
}
mpImplementation->mpQueueProcessor.reset();
mpImplementation->mxRequestedConfiguration = NULL;
mpImplementation.reset();
}
void ConfigurationController::ProcessEvent (void)
{
if (mpImplementation.get() != NULL)
{
OSL_ASSERT(mpImplementation->mpQueueProcessor.get()!=NULL);
mpImplementation->mpQueueProcessor->ProcessOneEvent();
}
}
//----- XConfigurationControllerBroadcaster -----------------------------------
void SAL_CALL ConfigurationController::addConfigurationChangeListener (
const Reference<XConfigurationChangeListener>& rxListener,
const ::rtl::OUString& rsEventType,
const Any& rUserData)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
OSL_ASSERT(mpImplementation.get()!=NULL);
mpImplementation->mpBroadcaster->AddListener(rxListener, rsEventType, rUserData);
}
void SAL_CALL ConfigurationController::removeConfigurationChangeListener (
const Reference<XConfigurationChangeListener>& rxListener)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
mpImplementation->mpBroadcaster->RemoveListener(rxListener);
}
void SAL_CALL ConfigurationController::notifyEvent (
const ConfigurationChangeEvent& rEvent)
throw (RuntimeException)
{
ThrowIfDisposed();
mpImplementation->mpBroadcaster->NotifyListeners(rEvent);
}
//----- XConfigurationController ----------------------------------------------
void SAL_CALL ConfigurationController::lock (void)
throw (RuntimeException)
{
OSL_ASSERT(mpImplementation.get()!=NULL);
OSL_ASSERT(mpImplementation->mpConfigurationUpdater.get()!=NULL);
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
++mpImplementation->mnLockCount;
if (mpImplementation->mpConfigurationUpdaterLock.get()==NULL)
mpImplementation->mpConfigurationUpdaterLock
= mpImplementation->mpConfigurationUpdater->GetLock();
}
void SAL_CALL ConfigurationController::unlock (void)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
// Allow unlocking while the ConfigurationController is being disposed
// (but not when that is done and the controller is disposed.)
if (rBHelper.bDisposed)
ThrowIfDisposed();
OSL_ASSERT(mpImplementation->mnLockCount>0);
--mpImplementation->mnLockCount;
if (mpImplementation->mnLockCount == 0)
mpImplementation->mpConfigurationUpdaterLock.reset();
}
void SAL_CALL ConfigurationController::requestResourceActivation (
const Reference<XResourceId>& rxResourceId,
ResourceActivationMode eMode)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
// Check whether we are being disposed. This is handled differently
// then being completely disposed because the first thing disposing()
// does is to deactivate all remaining resources. This is done via
// regular methods which must not throw DisposedExceptions. Therefore
// we just return silently during that stage.
if (rBHelper.bInDispose)
{
#if defined VERBOSE && VERBOSE>=1
OSL_TRACE("ConfigurationController::requestResourceActivation(): ignoring %s\n",
OUStringToOString(
FrameworkHelper::ResourceIdToString(rxResourceId), RTL_TEXTENCODING_UTF8).getStr());
#endif
return;
}
#if defined VERBOSE && VERBOSE>=2
OSL_TRACE("ConfigurationController::requestResourceActivation() %s\n",
OUStringToOString(
FrameworkHelper::ResourceIdToString(rxResourceId), RTL_TEXTENCODING_UTF8).getStr());
#endif
if (rxResourceId.is())
{
if (eMode == ResourceActivationMode_REPLACE)
{
// Get a list of the matching resources and create deactivation
// requests for them.
Sequence<Reference<XResourceId> > aResourceList (
mpImplementation->mxRequestedConfiguration->getResources(
rxResourceId->getAnchor(),
rxResourceId->getResourceTypePrefix(),
AnchorBindingMode_DIRECT));
for (sal_Int32 nIndex=0; nIndex<aResourceList.getLength(); ++nIndex)
{
// Do not request the deactivation of the resource for which
// this method was called. Doing it would not change the
// outcome but would result in unnecessary work.
if (rxResourceId->compareTo(aResourceList[nIndex]) == 0)
continue;
// Request the deactivation of a resource and all resources
// linked to it.
requestResourceDeactivation(aResourceList[nIndex]);
}
}
Reference<XConfigurationChangeRequest> xRequest(
new GenericConfigurationChangeRequest(
rxResourceId,
GenericConfigurationChangeRequest::Activation));
postChangeRequest(xRequest);
}
}
void SAL_CALL ConfigurationController::requestResourceDeactivation (
const Reference<XResourceId>& rxResourceId)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
#if defined VERBOSE && VERBOSE>=2
OSL_TRACE("ConfigurationController::requestResourceDeactivation() %s\n",
OUStringToOString(
FrameworkHelper::ResourceIdToString(rxResourceId), RTL_TEXTENCODING_UTF8).getStr());
#endif
if (rxResourceId.is())
{
// Request deactivation of all resources linked to the specified one
// as well.
const Sequence<Reference<XResourceId> > aLinkedResources (
mpImplementation->mxRequestedConfiguration->getResources(
rxResourceId,
OUString(),
AnchorBindingMode_DIRECT));
const sal_Int32 nCount (aLinkedResources.getLength());
for (sal_Int32 nIndex=0; nIndex<nCount; ++nIndex)
{
// We do not add deactivation requests directly but call this
// method recursively, so that when one time there are resources
// linked to linked resources, these are handled correctly, too.
requestResourceDeactivation(aLinkedResources[nIndex]);
}
// Add a deactivation request for the specified resource.
Reference<XConfigurationChangeRequest> xRequest(
new GenericConfigurationChangeRequest(
rxResourceId,
GenericConfigurationChangeRequest::Deactivation));
postChangeRequest(xRequest);
}
}
Reference<XResource> SAL_CALL ConfigurationController::getResource (
const Reference<XResourceId>& rxResourceId)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
ConfigurationControllerResourceManager::ResourceDescriptor aDescriptor (
mpImplementation->mpResourceManager->GetResource(rxResourceId));
return aDescriptor.mxResource;
}
void SAL_CALL ConfigurationController::update (void)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
if (mpImplementation->mpQueueProcessor->IsEmpty())
{
// The queue is empty. Add another request that does nothing but
// asynchronously trigger a request for an update.
mpImplementation->mpQueueProcessor->AddRequest(new UpdateRequest());
}
else
{
// The queue is not empty, so we rely on the queue processor to
// request an update automatically when the queue becomes empty.
}
}
sal_Bool SAL_CALL ConfigurationController::hasPendingRequests (void)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
return ! mpImplementation->mpQueueProcessor->IsEmpty();
}
void SAL_CALL ConfigurationController::postChangeRequest (
const Reference<XConfigurationChangeRequest>& rxRequest)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
mpImplementation->mpQueueProcessor->AddRequest(rxRequest);
}
Reference<XConfiguration> SAL_CALL ConfigurationController::getRequestedConfiguration (void)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
if (mpImplementation->mxRequestedConfiguration.is())
return Reference<XConfiguration>(
mpImplementation->mxRequestedConfiguration->createClone(), UNO_QUERY);
else
return Reference<XConfiguration>();
}
Reference<XConfiguration> SAL_CALL ConfigurationController::getCurrentConfiguration (void)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
Reference<XConfiguration> xCurrentConfiguration(
mpImplementation->mpConfigurationUpdater->GetCurrentConfiguration());
if (xCurrentConfiguration.is())
return Reference<XConfiguration>(xCurrentConfiguration->createClone(), UNO_QUERY);
else
return Reference<XConfiguration>();
}
/** The given configuration is restored by generating the appropriate set of
activation and deactivation requests.
*/
void SAL_CALL ConfigurationController::restoreConfiguration (
const Reference<XConfiguration>& rxNewConfiguration)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
// We will probably be making a couple of activation and deactivation
// requests so lock the configuration controller and let it later update
// all changes at once.
::boost::shared_ptr<ConfigurationUpdaterLock> pLock (
mpImplementation->mpConfigurationUpdater->GetLock());
// Get lists of resources that are to be activated or deactivated.
Reference<XConfiguration> xCurrentConfiguration (mpImplementation->mxRequestedConfiguration);
#if defined VERBOSE && VERBOSE>=1
OSL_TRACE("ConfigurationController::restoreConfiguration(\n");
ConfigurationTracer::TraceConfiguration(rxNewConfiguration, "requested configuration");
ConfigurationTracer::TraceConfiguration(xCurrentConfiguration, "current configuration");
#endif
ConfigurationClassifier aClassifier (rxNewConfiguration, xCurrentConfiguration);
aClassifier.Partition();
#if defined VERBOSE && VERBOSE>=3
aClassifier.TraceResourceIdVector(
"requested but not current resources:\n", aClassifier.GetC1minusC2());
aClassifier.TraceResourceIdVector(
"current but not requested resources:\n", aClassifier.GetC2minusC1());
aClassifier.TraceResourceIdVector(
"requested and current resources:\n", aClassifier.GetC1andC2());
#endif
ConfigurationClassifier::ResourceIdVector::const_iterator iResource;
// Request the deactivation of resources that are not requested in the
// new configuration.
const ConfigurationClassifier::ResourceIdVector& rResourcesToDeactivate (
aClassifier.GetC2minusC1());
for (iResource=rResourcesToDeactivate.begin();
iResource!=rResourcesToDeactivate.end();
++iResource)
{
requestResourceDeactivation(*iResource);
}
// Request the activation of resources that are requested in the
// new configuration but are not part of the current configuration.
const ConfigurationClassifier::ResourceIdVector& rResourcesToActivate (
aClassifier.GetC1minusC2());
for (iResource=rResourcesToActivate.begin();
iResource!=rResourcesToActivate.end();
++iResource)
{
requestResourceActivation(*iResource, ResourceActivationMode_ADD);
}
pLock.reset();
}
//----- XResourceFactoryManager -----------------------------------------------
void SAL_CALL ConfigurationController::addResourceFactory(
const OUString& sResourceURL,
const Reference<XResourceFactory>& rxResourceFactory)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
mpImplementation->mpResourceFactoryContainer->AddFactory(sResourceURL, rxResourceFactory);
}
void SAL_CALL ConfigurationController::removeResourceFactoryForURL(
const OUString& sResourceURL)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
mpImplementation->mpResourceFactoryContainer->RemoveFactoryForURL(sResourceURL);
}
void SAL_CALL ConfigurationController::removeResourceFactoryForReference(
const Reference<XResourceFactory>& rxResourceFactory)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
mpImplementation->mpResourceFactoryContainer->RemoveFactoryForReference(rxResourceFactory);
}
Reference<XResourceFactory> SAL_CALL ConfigurationController::getResourceFactory (
const OUString& sResourceURL)
throw (RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
ThrowIfDisposed();
return mpImplementation->mpResourceFactoryContainer->GetFactory(sResourceURL);
}
//----- XInitialization -------------------------------------------------------
void SAL_CALL ConfigurationController::initialize (const Sequence<Any>& aArguments)
throw (Exception, RuntimeException)
{
::osl::MutexGuard aGuard (maMutex);
if (aArguments.getLength() == 1)
{
const ::vos::OGuard aSolarGuard (Application::GetSolarMutex());
mpImplementation.reset(new Implementation(
*this,
Reference<frame::XController>(aArguments[0], UNO_QUERY_THROW)));
}
}
//-----------------------------------------------------------------------------
void ConfigurationController::ThrowIfDisposed (void) const
throw (::com::sun::star::lang::DisposedException)
{
if (mbIsDisposed)
{
throw lang::DisposedException (
OUString(RTL_CONSTASCII_USTRINGPARAM(
"ConfigurationController object has already been disposed")),
const_cast<uno::XWeak*>(static_cast<const uno::XWeak*>(this)));
}
if (mpImplementation.get() == NULL)
{
OSL_ASSERT(mpImplementation.get() != NULL);
throw RuntimeException(
OUString(RTL_CONSTASCII_USTRINGPARAM(
"ConfigurationController not initialized")),
const_cast<uno::XWeak*>(static_cast<const uno::XWeak*>(this)));
}
}
//===== ConfigurationController::Implementation ===============================
ConfigurationController::Implementation::Implementation (
ConfigurationController& rController,
const Reference<frame::XController>& rxController)
: mxControllerManager(rxController, UNO_QUERY_THROW),
mpBroadcaster(new ConfigurationControllerBroadcaster(&rController)),
mxRequestedConfiguration(new Configuration(&rController, true)),
mpBase(NULL),
mbIsInitialized(false),
mpResourceFactoryContainer(new ResourceFactoryManager(mxControllerManager)),
mpResourceManager(
new ConfigurationControllerResourceManager(mpResourceFactoryContainer,mpBroadcaster)),
mpConfigurationUpdater(
new ConfigurationUpdater(mpBroadcaster, mpResourceManager,mxControllerManager)),
mpQueueProcessor(new ChangeRequestQueueProcessor(&rController,mpConfigurationUpdater)),
mpConfigurationUpdaterLock(),
mnLockCount(0)
{
mpQueueProcessor->SetConfiguration(mxRequestedConfiguration);
}
void ConfigurationController::Implementation::Initialize (
const Reference<frame::XController>& rxController)
{
mxControllerManager = Reference<XControllerManager>(rxController, UNO_QUERY_THROW);
mpConfigurationUpdater->SetControllerManager(mxControllerManager);
// Tunnel through the controller to obtain a ViewShellBase.
Reference<lang::XUnoTunnel> xTunnel (rxController, UNO_QUERY_THROW);
if (xTunnel.is())
{
::sd::DrawController* pController = reinterpret_cast<sd::DrawController*>(
xTunnel->getSomething(sd::DrawController::getUnoTunnelId()));
if (pController != NULL)
mpBase = pController->GetViewShellBase();
}
}
ConfigurationController::Implementation::~Implementation (void)
{
}
} } // end of namespace sd::framework
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