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*
* Licensed to the Apache Software Foundation (ASF) under one
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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#include "precompiled_sd.hxx"
#include "SlsListener.hxx"
#include "SlideSorter.hxx"
#include "SlideSorterViewShell.hxx"
#include "ViewShellHint.hxx"
#include "controller/SlideSorterController.hxx"
#include "controller/SlsPageSelector.hxx"
#include "controller/SlsCurrentSlideManager.hxx"
#include "controller/SlsSelectionManager.hxx"
#include "controller/SlsSelectionObserver.hxx"
#include "model/SlideSorterModel.hxx"
#include "model/SlsPageEnumerationProvider.hxx"
#include "view/SlideSorterView.hxx"
#include "cache/SlsPageCache.hxx"
#include "cache/SlsPageCacheManager.hxx"
#include "drawdoc.hxx"
#include "DrawDocShell.hxx"
#include "glob.hrc"
#include "ViewShellBase.hxx"
#include "ViewShellManager.hxx"
#include "FrameView.hxx"
#include "EventMultiplexer.hxx"
#include <com/sun/star/document/XEventBroadcaster.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/frame/FrameActionEvent.hpp>
#include <com/sun/star/frame/FrameAction.hpp>
#include <sfx2/viewfrm.hxx>
#include <tools/diagnose_ex.h>
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star;
namespace sd { namespace slidesorter { namespace controller {
Listener::Listener (
SlideSorter& rSlideSorter)
: ListenerInterfaceBase(maMutex),
mrSlideSorter(rSlideSorter),
mrController(mrSlideSorter.GetController()),
mpBase(mrSlideSorter.GetViewShellBase()),
mbListeningToDocument (false),
mbListeningToUNODocument (false),
mbListeningToController (false),
mbListeningToFrame (false),
mbIsMainViewChangePending(false),
mxControllerWeak(),
mxFrameWeak(),
mpModelChangeLock()
{
StartListening(*mrSlideSorter.GetModel().GetDocument());
StartListening(*mrSlideSorter.GetModel().GetDocument()->GetDocSh());
mbListeningToDocument = true;
// Connect to the UNO document.
Reference<document::XEventBroadcaster> xBroadcaster (
mrSlideSorter.GetModel().GetDocument()->getUnoModel(), uno::UNO_QUERY);
if (xBroadcaster.is())
{
xBroadcaster->addEventListener (this);
mbListeningToUNODocument = true;
}
// Listen for disposing events from the document.
Reference<XComponent> xComponent (xBroadcaster, UNO_QUERY);
if (xComponent.is())
xComponent->addEventListener (
Reference<lang::XEventListener>(
static_cast<XWeak*>(this), UNO_QUERY));
// Connect to the frame to listen for controllers being exchanged.
bool bIsMainViewShell (false);
ViewShell* pViewShell = mrSlideSorter.GetViewShell();
if (pViewShell != NULL)
bIsMainViewShell = pViewShell->IsMainViewShell();
if ( ! bIsMainViewShell)
{
// Listen to changes of certain properties.
Reference<frame::XFrame> xFrame;
Reference<frame::XController> xController (mrSlideSorter.GetXController());
if (xController.is())
xFrame = xController->getFrame();
mxFrameWeak = xFrame;
if (xFrame.is())
{
xFrame->addFrameActionListener (
Reference<frame::XFrameActionListener>(
static_cast<XWeak*>(this), UNO_QUERY));
mbListeningToFrame = true;
}
// Connect to the current controller.
ConnectToController ();
}
// Listen for hints of the MainViewShell as well. If that is not yet
// present then the EventMultiplexer will tell us when it is available.
if (mpBase != NULL)
{
ViewShell* pMainViewShell = mpBase->GetMainViewShell().get();
if (pMainViewShell != NULL
&& pMainViewShell!=pViewShell)
{
StartListening(*pMainViewShell);
}
Link aLink (LINK(this, Listener, EventMultiplexerCallback));
mpBase->GetEventMultiplexer()->AddEventListener(
aLink,
tools::EventMultiplexerEvent::EID_MAIN_VIEW_REMOVED
| tools::EventMultiplexerEvent::EID_MAIN_VIEW_ADDED
| tools::EventMultiplexerEvent::EID_CONTROLLER_ATTACHED
| tools::EventMultiplexerEvent::EID_CONTROLLER_DETACHED
| tools::EventMultiplexerEvent::EID_CONFIGURATION_UPDATED);
}
}
Listener::~Listener (void)
{
DBG_ASSERT( !mbListeningToDocument && !mbListeningToUNODocument && !mbListeningToFrame,
"sd::Listener::~Listener(), disposing() was not called, ask DBO!" );
}
void Listener::ReleaseListeners (void)
{
if (mbListeningToDocument)
{
EndListening(*mrSlideSorter.GetModel().GetDocument()->GetDocSh());
EndListening(*mrSlideSorter.GetModel().GetDocument());
mbListeningToDocument = false;
}
if (mbListeningToUNODocument)
{
Reference<document::XEventBroadcaster> xBroadcaster (
mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY);
if (xBroadcaster.is())
xBroadcaster->removeEventListener (this);
// Remove the dispose listener.
Reference<XComponent> xComponent (xBroadcaster, UNO_QUERY);
if (xComponent.is())
xComponent->removeEventListener (
Reference<lang::XEventListener>(
static_cast<XWeak*>(this), UNO_QUERY));
mbListeningToUNODocument = false;
}
if (mbListeningToFrame)
{
// Listen to changes of certain properties.
Reference<frame::XFrame> xFrame (mxFrameWeak);
if (xFrame.is())
{
xFrame->removeFrameActionListener (
Reference<frame::XFrameActionListener>(
static_cast<XWeak*>(this), UNO_QUERY));
mbListeningToFrame = false;
}
}
DisconnectFromController ();
if (mpBase != NULL)
{
Link aLink (LINK(this, Listener, EventMultiplexerCallback));
mpBase->GetEventMultiplexer()->RemoveEventListener(
aLink,
tools::EventMultiplexerEvent::EID_MAIN_VIEW_REMOVED
| tools::EventMultiplexerEvent::EID_MAIN_VIEW_ADDED
| tools::EventMultiplexerEvent::EID_CONTROLLER_ATTACHED
| tools::EventMultiplexerEvent::EID_CONTROLLER_DETACHED
| tools::EventMultiplexerEvent::EID_CONFIGURATION_UPDATED);
}
}
void Listener::ConnectToController (void)
{
ViewShell* pShell = mrSlideSorter.GetViewShell();
// Register at the controller of the main view shell (if we are that not
// ourself).
if (pShell==NULL || ! pShell->IsMainViewShell())
{
Reference<frame::XController> xController (mrSlideSorter.GetXController());
// Listen to changes of certain properties.
Reference<beans::XPropertySet> xSet (xController, UNO_QUERY);
if (xSet.is())
{
try
{
xSet->addPropertyChangeListener(String::CreateFromAscii("CurrentPage"), this);
}
catch (beans::UnknownPropertyException aEvent)
{
DBG_UNHANDLED_EXCEPTION();
}
try
{
xSet->addPropertyChangeListener(String::CreateFromAscii("IsMasterPageMode"), this);
}
catch (beans::UnknownPropertyException aEvent)
{
DBG_UNHANDLED_EXCEPTION();
}
}
// Listen for disposing events.
Reference<XComponent> xComponent (xController, UNO_QUERY);
if (xComponent.is())
{
xComponent->addEventListener (
Reference<lang::XEventListener>(static_cast<XWeak*>(this), UNO_QUERY));
mxControllerWeak = xController;
mbListeningToController = true;
}
}
}
void Listener::DisconnectFromController (void)
{
if (mbListeningToController)
{
Reference<frame::XController> xController = mxControllerWeak;
Reference<beans::XPropertySet> xSet (xController, UNO_QUERY);
try
{
// Remove the property listener.
if (xSet.is())
{
xSet->removePropertyChangeListener (
String::CreateFromAscii("CurrentPage"),
this);
xSet->removePropertyChangeListener (
String::CreateFromAscii("IsMasterPageMode"),
this);
}
// Remove the dispose listener.
Reference<XComponent> xComponent (xController, UNO_QUERY);
if (xComponent.is())
xComponent->removeEventListener (
Reference<lang::XEventListener>(
static_cast<XWeak*>(this), UNO_QUERY));
}
catch (beans::UnknownPropertyException aEvent)
{
DBG_UNHANDLED_EXCEPTION();
}
mbListeningToController = false;
mxControllerWeak = Reference<frame::XController>();
}
}
void Listener::Notify (
SfxBroadcaster& rBroadcaster,
const SfxHint& rHint)
{
if (rHint.ISA(SdrHint))
{
SdrHint& rSdrHint (*PTR_CAST(SdrHint,&rHint));
switch (rSdrHint.GetKind())
{
case HINT_PAGEORDERCHG:
if (&rBroadcaster == mrSlideSorter.GetModel().GetDocument())
HandleModelChange(rSdrHint.GetPage());
break;
default:
break;
}
}
else if (rHint.ISA(ViewShellHint))
{
ViewShellHint& rViewShellHint (*PTR_CAST(ViewShellHint,&rHint));
switch (rViewShellHint.GetHintId())
{
case ViewShellHint::HINT_PAGE_RESIZE_START:
// Initiate a model change but do nothing (well, not much)
// until we are told that all slides have been resized.
mpModelChangeLock.reset(new SlideSorterController::ModelChangeLock(mrController));
mrController.HandleModelChange();
break;
case ViewShellHint::HINT_PAGE_RESIZE_END:
// All slides have been resized. The model has to be updated.
mpModelChangeLock.reset();
break;
case ViewShellHint::HINT_CHANGE_EDIT_MODE_START:
mrController.PrepareEditModeChange();
break;
case ViewShellHint::HINT_CHANGE_EDIT_MODE_END:
mrController.FinishEditModeChange();
break;
case ViewShellHint::HINT_COMPLEX_MODEL_CHANGE_START:
mpModelChangeLock.reset(new SlideSorterController::ModelChangeLock(mrController));
break;
case ViewShellHint::HINT_COMPLEX_MODEL_CHANGE_END:
mpModelChangeLock.reset();
break;
}
}
else if (rHint.ISA(SfxSimpleHint))
{
SfxSimpleHint& rSfxSimpleHint (*PTR_CAST(SfxSimpleHint,&rHint));
switch (rSfxSimpleHint.GetId())
{
case SFX_HINT_DOCCHANGED:
mrController.CheckForMasterPageAssignment();
mrController.CheckForSlideTransitionAssignment();
break;
}
}
}
IMPL_LINK(Listener, EventMultiplexerCallback, ::sd::tools::EventMultiplexerEvent*, pEvent)
{
switch (pEvent->meEventId)
{
case tools::EventMultiplexerEvent::EID_MAIN_VIEW_REMOVED:
{
if (mpBase != NULL)
{
ViewShell* pMainViewShell = mpBase->GetMainViewShell().get();
if (pMainViewShell != NULL)
EndListening(*pMainViewShell);
}
}
break;
case tools::EventMultiplexerEvent::EID_MAIN_VIEW_ADDED:
mbIsMainViewChangePending = true;
break;
case tools::EventMultiplexerEvent::EID_CONFIGURATION_UPDATED:
if (mbIsMainViewChangePending && mpBase != NULL)
{
mbIsMainViewChangePending = false;
ViewShell* pMainViewShell = mpBase->GetMainViewShell().get();
if (pMainViewShell != NULL
&& pMainViewShell!=mrSlideSorter.GetViewShell())
{
StartListening (*pMainViewShell);
}
}
break;
case tools::EventMultiplexerEvent::EID_CONTROLLER_ATTACHED:
{
ConnectToController();
// mrController.GetPageSelector().GetCoreSelection();
UpdateEditMode();
}
break;
case tools::EventMultiplexerEvent::EID_CONTROLLER_DETACHED:
DisconnectFromController();
break;
case tools::EventMultiplexerEvent::EID_SHAPE_CHANGED:
case tools::EventMultiplexerEvent::EID_SHAPE_INSERTED:
case tools::EventMultiplexerEvent::EID_SHAPE_REMOVED:
HandleShapeModification(static_cast<const SdrPage*>(pEvent->mpUserData));
break;
case tools::EventMultiplexerEvent::EID_END_TEXT_EDIT:
if (pEvent->mpUserData != NULL)
{
const SdrObject* pObject = static_cast<const SdrObject*>(pEvent->mpUserData);
HandleShapeModification(pObject->GetPage());
}
break;
default:
break;
}
return 0;
}
//===== lang::XEventListener ================================================
void SAL_CALL Listener::disposing (
const lang::EventObject& rEventObject)
throw (RuntimeException)
{
if ((mbListeningToDocument || mbListeningToUNODocument)
&& mrSlideSorter.GetModel().GetDocument()!=NULL
&& rEventObject.Source
== mrSlideSorter.GetModel().GetDocument()->getUnoModel())
{
mbListeningToDocument = false;
mbListeningToUNODocument = false;
}
else if (mbListeningToController)
{
Reference<frame::XController> xController (mxControllerWeak);
if (rEventObject.Source == xController)
{
mbListeningToController = false;
}
}
}
//===== document::XEventListener ============================================
void SAL_CALL Listener::notifyEvent (
const document::EventObject& )
throw (RuntimeException)
{
}
//===== beans::XPropertySetListener =========================================
void SAL_CALL Listener::propertyChange (
const PropertyChangeEvent& rEvent)
throw (RuntimeException)
{
ThrowIfDisposed();
static const ::rtl::OUString sCurrentPagePropertyName (
RTL_CONSTASCII_USTRINGPARAM("CurrentPage"));
static const ::rtl::OUString sEditModePropertyName (
RTL_CONSTASCII_USTRINGPARAM("IsMasterPageMode"));
if (rEvent.PropertyName.equals(sCurrentPagePropertyName))
{
Any aCurrentPage = rEvent.NewValue;
Reference<beans::XPropertySet> xPageSet (aCurrentPage, UNO_QUERY);
if (xPageSet.is())
{
try
{
Any aPageNumber = xPageSet->getPropertyValue (
String(RTL_CONSTASCII_USTRINGPARAM("Number")));
sal_Int32 nCurrentPage = 0;
aPageNumber >>= nCurrentPage;
mrController.GetCurrentSlideManager()->NotifyCurrentSlideChange(nCurrentPage-1);
}
catch (beans::UnknownPropertyException aEvent)
{
DBG_UNHANDLED_EXCEPTION();
}
catch (lang::DisposedException&)
{
// Something is already disposed. There is not much we can
// do, except not to crash.
}
}
}
else if (rEvent.PropertyName.equals (sEditModePropertyName))
{
sal_Bool bIsMasterPageMode = sal_False;
rEvent.NewValue >>= bIsMasterPageMode;
mrController.ChangeEditMode (
bIsMasterPageMode ? EM_MASTERPAGE : EM_PAGE);
}
}
//===== frame::XFrameActionListener ==========================================
void SAL_CALL Listener::frameAction (const frame::FrameActionEvent& rEvent)
throw (::com::sun::star::uno::RuntimeException)
{
switch (rEvent.Action)
{
case frame::FrameAction_COMPONENT_DETACHING:
DisconnectFromController();
break;
case frame::FrameAction_COMPONENT_REATTACHED:
{
ConnectToController();
mrController.GetPageSelector().GetCoreSelection();
UpdateEditMode();
}
break;
default:
break;
}
}
//===== accessibility::XAccessibleEventListener ==============================
void SAL_CALL Listener::notifyEvent (
const AccessibleEventObject& )
throw (RuntimeException)
{
}
void SAL_CALL Listener::disposing (void)
{
ReleaseListeners();
}
void Listener::UpdateEditMode (void)
{
// When there is a new controller then the edit mode may have changed at
// the same time.
Reference<frame::XController> xController (mxControllerWeak);
Reference<beans::XPropertySet> xSet (xController, UNO_QUERY);
bool bIsMasterPageMode = false;
if (xSet != NULL)
{
try
{
Any aValue (xSet->getPropertyValue(
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("IsMasterPageMode"))));
aValue >>= bIsMasterPageMode;
}
catch (beans::UnknownPropertyException e)
{
// When the property is not supported then the master page mode
// is not supported, too.
bIsMasterPageMode = false;
}
}
mrController.ChangeEditMode (
bIsMasterPageMode ? EM_MASTERPAGE : EM_PAGE);
}
void Listener::HandleModelChange (const SdrPage* pPage)
{
// Notify model and selection observer about the page. The return value
// of the model call acts as filter as to which events to pass to the
// selection observer.
if (mrSlideSorter.GetModel().NotifyPageEvent(pPage))
{
// The page of the hint belongs (or belonged) to the model.
// Tell the cache manager that the preview bitmaps for a deleted
// page can be removed from all caches.
if (pPage!=NULL && ! pPage->IsInserted())
cache::PageCacheManager::Instance()->ReleasePreviewBitmap(pPage);
mrController.GetSelectionManager()->GetSelectionObserver()->NotifyPageEvent(pPage);
}
// Tell the controller about the model change only when the document is
// in a sane state, not just in the middle of a larger change.
SdDrawDocument* pDocument (mrSlideSorter.GetModel().GetDocument());
if (pDocument != NULL
&& pDocument->GetMasterSdPageCount(PK_STANDARD) == pDocument->GetMasterSdPageCount(PK_NOTES))
{
// A model change can make updates of some text fields necessary
// (like page numbers and page count.) Invalidate all previews in
// the cache to cope with this. Doing this on demand would be a
// nice optimization.
cache::PageCacheManager::Instance()->InvalidateAllPreviewBitmaps(pDocument->getUnoModel());
mrController.HandleModelChange();
}
}
void Listener::HandleShapeModification (const SdrPage* pPage)
{
if (pPage == NULL)
return;
// Invalidate the preview of the page (in all slide sorters that display
// it.)
::boost::shared_ptr<cache::PageCacheManager> pCacheManager (cache::PageCacheManager::Instance());
if ( ! pCacheManager)
return;
SdDrawDocument* pDocument = mrSlideSorter.GetModel().GetDocument();
if (pDocument == NULL)
{
OSL_ASSERT(pDocument!=NULL);
return;
}
pCacheManager->InvalidatePreviewBitmap(pDocument->getUnoModel(), pPage);
mrSlideSorter.GetView().GetPreviewCache()->RequestPreviewBitmap(pPage);
// When the page is a master page then invalidate the previews of all
// pages that are linked to this master page.
if (pPage->IsMasterPage())
{
for (sal_uInt16 nIndex=0,nCount=pDocument->GetSdPageCount(PK_STANDARD);
nIndex<nCount;
++nIndex)
{
const SdPage* pCandidate = pDocument->GetSdPage(nIndex, PK_STANDARD);
if (pCandidate!=NULL && pCandidate->TRG_HasMasterPage())
{
if (&pCandidate->TRG_GetMasterPage() == pPage)
pCacheManager->InvalidatePreviewBitmap(pDocument->getUnoModel(), pCandidate);
}
else
{
OSL_ASSERT(pCandidate!=NULL && pCandidate->TRG_HasMasterPage());
}
}
}
}
void Listener::ThrowIfDisposed (void)
throw (::com::sun::star::lang::DisposedException)
{
if (rBHelper.bDisposed || rBHelper.bInDispose)
{
throw lang::DisposedException (
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
"SlideSorterController object has already been disposed")),
static_cast<uno::XWeak*>(this));
}
}
} } } // end of namespace ::sd::slidesorter::controller