office-gobmx/sd/source/ui/toolpanel/controls/MasterPageContainer.cxx

1368 lines
36 KiB
C++

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*
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*
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
#include "MasterPageContainer.hxx"
#include "MasterPageDescriptor.hxx"
#include "MasterPageContainerFiller.hxx"
#include "MasterPageContainerQueue.hxx"
#include "TemplateScanner.hxx"
#include "tools/AsynchronousTask.hxx"
#include "strings.hrc"
#include <algorithm>
#include <list>
#include <set>
#include "unomodel.hxx"
#include <com/sun/star/frame/XComponentLoader.hpp>
#include <com/sun/star/io/XStream.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/util/XCloseable.hpp>
#include <comphelper/processfactory.hxx>
#include <tools/urlobj.hxx>
#include <sfx2/app.hxx>
#include <svx/svdpage.hxx>
#include "DrawDocShell.hxx"
#include "drawdoc.hxx"
#include "sdpage.hxx"
#include <svl/itemset.hxx>
#include <svl/eitem.hxx>
#include "sdresid.hxx"
#include "tools/TimerBasedTaskExecution.hxx"
#include "pres.hxx"
#include <osl/mutex.hxx>
#include <boost/weak_ptr.hpp>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::sd::toolpanel::controls;
namespace {
typedef ::std::vector<SharedMasterPageDescriptor> MasterPageContainerType;
class PreviewCreationRequest
{
public:
PreviewCreationRequest (MasterPageContainer::Token aToken, int nPriority);
MasterPageContainer::Token maToken;
int mnPriority;
class Compare {public:
bool operator() (const PreviewCreationRequest& r1,const PreviewCreationRequest& r2);
};
class CompareToken {public:
MasterPageContainer::Token maToken;
CompareToken(MasterPageContainer::Token aToken);
bool operator() (const PreviewCreationRequest& rRequest);
};
};
} // end of anonymous namespace
namespace sd { namespace toolpanel { namespace controls {
/** Inner implementation class of the MasterPageContainer.
*/
class MasterPageContainer::Implementation
: public SdGlobalResource,
public MasterPageContainerFiller::ContainerAdapter,
public MasterPageContainerQueue::ContainerAdapter
{
public:
mutable ::osl::Mutex maMutex;
static ::boost::weak_ptr<Implementation> mpInstance;
MasterPageContainerType maContainer;
static ::boost::shared_ptr<Implementation> Instance (void);
void LateInit (void);
void AddChangeListener (const Link& rLink);
void RemoveChangeListener (const Link& rLink);
void UpdatePreviewSizePixel (void);
Size GetPreviewSizePixel (PreviewSize eSize) const;
bool HasToken (Token aToken) const;
const SharedMasterPageDescriptor GetDescriptor (MasterPageContainer::Token aToken) const;
SharedMasterPageDescriptor GetDescriptor (MasterPageContainer::Token aToken);
virtual Token PutMasterPage (const SharedMasterPageDescriptor& rDescriptor);
void InvalidatePreview (Token aToken);
Image GetPreviewForToken (
Token aToken,
PreviewSize ePreviewSize);
PreviewState GetPreviewState (Token aToken) const;
bool RequestPreview (Token aToken);
Reference<frame::XModel> GetModel (void);
SdDrawDocument* GetDocument (void);
void FireContainerChange (
MasterPageContainerChangeEvent::EventType eType,
Token aToken,
bool bNotifyAsynchronously = false);
virtual bool UpdateDescriptor (
const SharedMasterPageDescriptor& rpDescriptor,
bool bForcePageObject,
bool bForcePreview,
bool bSendEvents);
void ReleaseDescriptor (Token aToken);
/** Called by the MasterPageContainerFiller to notify that all master
pages from template documents have been added.
*/
virtual void FillingDone (void);
private:
Implementation (void);
virtual ~Implementation (void);
class Deleter { public:
void operator() (Implementation* pObject) { delete pObject; }
};
friend class Deleter;
enum InitializationState { NOT_INITIALIZED, INITIALIZING, INITIALIZED } meInitializationState;
::boost::scoped_ptr<MasterPageContainerQueue> mpRequestQueue;
::com::sun::star::uno::Reference<com::sun::star::frame::XModel> mxModel;
SdDrawDocument* mpDocument;
PreviewRenderer maPreviewRenderer;
/** Remember whether the first page object has already been used to
determine the correct size ratio.
*/
bool mbFirstPageObjectSeen;
// The widths for the previews contain two pixels for the border that is
// painted arround the preview.
static const int SMALL_PREVIEW_WIDTH = 72 + 2;
static const int LARGE_PREVIEW_WIDTH = 2*72 + 2;
/** This substition of page preview shows "Preparing preview" and is
shown as long as the actual previews are not being present.
*/
Image maLargePreviewBeingCreated;
Image maSmallPreviewBeingCreated;
/** This substition of page preview is shown when a preview can not be
created and thus is not available.
*/
Image maLargePreviewNotAvailable;
Image maSmallPreviewNotAvailable;
::std::vector<Link> maChangeListeners;
// We have to remember the tasks for initialization and filling in case
// a MasterPageContainer object is destroyed before these tasks have
// been completed.
::boost::weak_ptr<sd::tools::TimerBasedTaskExecution> mpFillerTask;
Size maSmallPreviewSizePixel;
Size maLargePreviewSizePixel;
bool mbPageRatioKnown;
bool mbContainerCleaningPending;
typedef ::std::pair<MasterPageContainerChangeEvent::EventType,Token> EventData;
DECL_LINK(AsynchronousNotifyCallback, EventData*);
::sd::DrawDocShell* LoadDocument (
const String& sFileName,
SfxObjectShellLock& rxDocumentShell);
Image GetPreviewSubstitution (USHORT nId, PreviewSize ePreviewSize);
void CleanContainer (void);
};
//===== MasterPageContainer ===================================================
::boost::weak_ptr<MasterPageContainer::Implementation>
MasterPageContainer::Implementation::mpInstance;
static const MasterPageContainer::Token NIL_TOKEN (-1);
::boost::shared_ptr<MasterPageContainer::Implementation>
MasterPageContainer::Implementation::Instance (void)
{
::boost::shared_ptr<MasterPageContainer::Implementation> pInstance;
if (Implementation::mpInstance.expired())
{
::osl::GetGlobalMutex aMutexFunctor;
::osl::MutexGuard aGuard (aMutexFunctor());
if (Implementation::mpInstance.expired())
{
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
pInstance = ::boost::shared_ptr<MasterPageContainer::Implementation>(
new MasterPageContainer::Implementation(),
MasterPageContainer::Implementation::Deleter());
SdGlobalResourceContainer::Instance().AddResource(pInstance);
Implementation::mpInstance = pInstance;
}
else
pInstance = ::boost::shared_ptr<MasterPageContainer::Implementation>(
Implementation::mpInstance);
}
else
{
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
pInstance = ::boost::shared_ptr<MasterPageContainer::Implementation>(
Implementation::mpInstance);
}
DBG_ASSERT (pInstance.get()!=NULL,
"MasterPageContainer::Implementation::Instance(): instance is NULL");
return pInstance;
}
MasterPageContainer::MasterPageContainer (void)
: mpImpl(Implementation::Instance()),
mePreviewSize(SMALL)
{
mpImpl->LateInit();
}
MasterPageContainer::~MasterPageContainer (void)
{
}
void MasterPageContainer::AddChangeListener (const Link& rLink)
{
mpImpl->AddChangeListener(rLink);
}
void MasterPageContainer::RemoveChangeListener (const Link& rLink)
{
mpImpl->RemoveChangeListener(rLink);
}
void MasterPageContainer::SetPreviewSize (PreviewSize eSize)
{
mePreviewSize = eSize;
mpImpl->FireContainerChange(
MasterPageContainerChangeEvent::SIZE_CHANGED,
NIL_TOKEN);
}
MasterPageContainer::PreviewSize MasterPageContainer::GetPreviewSize (void) const
{
return mePreviewSize;
}
Size MasterPageContainer::GetPreviewSizePixel (void) const
{
return mpImpl->GetPreviewSizePixel(mePreviewSize);
}
MasterPageContainer::Token MasterPageContainer::PutMasterPage (
const SharedMasterPageDescriptor& rDescriptor)
{
return mpImpl->PutMasterPage(rDescriptor);
}
void MasterPageContainer::AcquireToken (Token aToken)
{
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
{
++pDescriptor->mnUseCount;
}
}
void MasterPageContainer::ReleaseToken (Token aToken)
{
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
{
OSL_ASSERT(pDescriptor->mnUseCount>0);
--pDescriptor->mnUseCount;
if (pDescriptor->mnUseCount <= 0)
{
switch (pDescriptor->meOrigin)
{
case DEFAULT:
case TEMPLATE:
default:
break;
case MASTERPAGE:
mpImpl->ReleaseDescriptor(aToken);
break;
}
}
}
}
int MasterPageContainer::GetTokenCount (void) const
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
return mpImpl->maContainer.size();
}
bool MasterPageContainer::HasToken (Token aToken) const
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
return mpImpl->HasToken(aToken);
}
MasterPageContainer::Token MasterPageContainer::GetTokenForIndex (int nIndex)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
Token aResult (NIL_TOKEN);
if (HasToken(nIndex))
aResult = mpImpl->maContainer[nIndex]->maToken;
return aResult;
}
MasterPageContainer::Token MasterPageContainer::GetTokenForURL (
const String& sURL)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
Token aResult (NIL_TOKEN);
if (sURL.Len() > 0)
{
MasterPageContainerType::iterator iEntry (
::std::find_if (
mpImpl->maContainer.begin(),
mpImpl->maContainer.end(),
MasterPageDescriptor::URLComparator(sURL)));
if (iEntry != mpImpl->maContainer.end())
aResult = (*iEntry)->maToken;
}
return aResult;
}
MasterPageContainer::Token MasterPageContainer::GetTokenForPageName (
const String& sPageName)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
Token aResult (NIL_TOKEN);
if (sPageName.Len() > 0)
{
MasterPageContainerType::iterator iEntry (
::std::find_if (
mpImpl->maContainer.begin(),
mpImpl->maContainer.end(),
MasterPageDescriptor::PageNameComparator(sPageName)));
if (iEntry != mpImpl->maContainer.end())
aResult = (*iEntry)->maToken;
}
return aResult;
}
MasterPageContainer::Token MasterPageContainer::GetTokenForStyleName (const String& sStyleName)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
Token aResult (NIL_TOKEN);
if (sStyleName.Len() > 0)
{
MasterPageContainerType::iterator iEntry (
::std::find_if (
mpImpl->maContainer.begin(),
mpImpl->maContainer.end(),
MasterPageDescriptor::StyleNameComparator(sStyleName)));
if (iEntry != mpImpl->maContainer.end())
aResult = (*iEntry)->maToken;
}
return aResult;
}
MasterPageContainer::Token MasterPageContainer::GetTokenForPageObject (
const SdPage* pPage)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
Token aResult (NIL_TOKEN);
if (pPage != NULL)
{
MasterPageContainerType::iterator iEntry (
::std::find_if (
mpImpl->maContainer.begin(),
mpImpl->maContainer.end(),
MasterPageDescriptor::PageObjectComparator(pPage)));
if (iEntry != mpImpl->maContainer.end())
aResult = (*iEntry)->maToken;
}
return aResult;
}
String MasterPageContainer::GetURLForToken (
MasterPageContainer::Token aToken)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
return pDescriptor->msURL;
else
return String();
}
String MasterPageContainer::GetPageNameForToken (
MasterPageContainer::Token aToken)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
return pDescriptor->msPageName;
else
return String();
}
String MasterPageContainer::GetStyleNameForToken (
MasterPageContainer::Token aToken)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
return pDescriptor->msStyleName;
else
return String();
}
SdPage* MasterPageContainer::GetPageObjectForToken (
MasterPageContainer::Token aToken,
bool bLoad)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
SdPage* pPageObject = NULL;
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
{
pPageObject = pDescriptor->mpMasterPage;
if (pPageObject == NULL)
{
// The page object is not (yet) present. Call
// UpdateDescriptor() to trigger the PageObjectProvider() to
// provide it.
if (bLoad)
mpImpl->GetModel();
if (mpImpl->UpdateDescriptor(pDescriptor,bLoad,false, true))
pPageObject = pDescriptor->mpMasterPage;
}
}
return pPageObject;
}
MasterPageContainer::Origin MasterPageContainer::GetOriginForToken (Token aToken)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
return pDescriptor->meOrigin;
else
return UNKNOWN;
}
sal_Int32 MasterPageContainer::GetTemplateIndexForToken (Token aToken)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
return pDescriptor->mnTemplateIndex;
else
return -1;
}
void MasterPageContainer::SetPreviewProviderForToken (
Token aToken,
const ::boost::shared_ptr<PreviewProvider>& rpPreviewProvider)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get()!=NULL)
{
pDescriptor->mpPreviewProvider = rpPreviewProvider;
mpImpl->InvalidatePreview(aToken);
}
}
SdPage* MasterPageContainer::GetSlideForToken (
MasterPageContainer::Token aToken,
bool bLoad)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
SdPage* pSlide = NULL;
SharedMasterPageDescriptor pDescriptor = mpImpl->GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
{
pSlide = pDescriptor->mpSlide;
if (pSlide==NULL && bLoad)
{
GetPageObjectForToken(aToken, bLoad);
pSlide = pDescriptor->mpSlide;
}
}
return pSlide;
}
SharedMasterPageDescriptor MasterPageContainer::GetDescriptorForToken (
MasterPageContainer::Token aToken)
{
const ::osl::MutexGuard aGuard (mpImpl->maMutex);
return mpImpl->GetDescriptor(aToken);
}
bool MasterPageContainer::UpdateDescriptor (
const SharedMasterPageDescriptor& rpDescriptor,
bool bForcePageObject,
bool bForcePreview,
bool bSendEvents)
{
return mpImpl->UpdateDescriptor(rpDescriptor, bForcePageObject, bForcePreview, bSendEvents);
}
void MasterPageContainer::InvalidatePreview (MasterPageContainer::Token aToken)
{
mpImpl->InvalidatePreview(aToken);
}
Image MasterPageContainer::GetPreviewForToken (MasterPageContainer::Token aToken)
{
return mpImpl->GetPreviewForToken(aToken,mePreviewSize);
}
MasterPageContainer::PreviewState MasterPageContainer::GetPreviewState (Token aToken)
{
return mpImpl->GetPreviewState(aToken);
}
bool MasterPageContainer::RequestPreview (Token aToken)
{
return mpImpl->RequestPreview(aToken);
}
//==== Implementation ================================================
MasterPageContainer::Implementation::Implementation (void)
: maMutex(),
maContainer(),
meInitializationState(NOT_INITIALIZED),
mpRequestQueue(NULL),
mxModel(NULL),
mpDocument(NULL),
maPreviewRenderer(),
mbFirstPageObjectSeen(false),
maLargePreviewBeingCreated(),
maSmallPreviewBeingCreated(),
maLargePreviewNotAvailable(),
maSmallPreviewNotAvailable(),
maChangeListeners(),
maSmallPreviewSizePixel(),
maLargePreviewSizePixel(),
mbPageRatioKnown(false),
mbContainerCleaningPending(true)
{
UpdatePreviewSizePixel();
}
MasterPageContainer::Implementation::~Implementation (void)
{
// When the initializer or filler tasks are still running then we have
// to stop them now in order to prevent them from calling us back.
tools::TimerBasedTaskExecution::ReleaseTask(mpFillerTask);
mpRequestQueue.reset();
uno::Reference<util::XCloseable> xCloseable (mxModel, uno::UNO_QUERY);
if (xCloseable.is())
{
try
{
xCloseable->close(true);
}
catch (::com::sun::star::util::CloseVetoException aException)
{
}
}
mxModel = NULL;
}
void MasterPageContainer::Implementation::LateInit (void)
{
const ::osl::MutexGuard aGuard (maMutex);
if (meInitializationState == NOT_INITIALIZED)
{
meInitializationState = INITIALIZING;
OSL_ASSERT(Instance().get()==this);
mpRequestQueue.reset(MasterPageContainerQueue::Create(
::boost::shared_ptr<MasterPageContainerQueue::ContainerAdapter>(Instance())));
mpFillerTask = ::sd::tools::TimerBasedTaskExecution::Create(
::boost::shared_ptr<tools::AsynchronousTask>(new MasterPageContainerFiller(*this)),
5,
50);
meInitializationState = INITIALIZED;
}
}
void MasterPageContainer::Implementation::AddChangeListener (const Link& rLink)
{
const ::osl::MutexGuard aGuard (maMutex);
::std::vector<Link>::iterator iListener (
::std::find(maChangeListeners.begin(),maChangeListeners.end(),rLink));
if (iListener == maChangeListeners.end())
maChangeListeners.push_back(rLink);
}
void MasterPageContainer::Implementation::RemoveChangeListener (const Link& rLink)
{
const ::osl::MutexGuard aGuard (maMutex);
::std::vector<Link>::iterator iListener (
::std::find(maChangeListeners.begin(),maChangeListeners.end(),rLink));
if (iListener != maChangeListeners.end())
maChangeListeners.erase(iListener);
}
void MasterPageContainer::Implementation::UpdatePreviewSizePixel (void)
{
const ::osl::MutexGuard aGuard (maMutex);
// The default aspect ratio is 4:3
int nWidth (4);
int nHeight (3);
// Search for the first entry with an existing master page.
MasterPageContainerType::const_iterator iDescriptor;
MasterPageContainerType::const_iterator iContainerEnd(maContainer.end());
for (iDescriptor=maContainer.begin(); iDescriptor!=iContainerEnd; ++iDescriptor)
if (*iDescriptor!=NULL && (*iDescriptor)->mpMasterPage != NULL)
{
Size aPageSize ((*iDescriptor)->mpMasterPage->GetSize());
nWidth = aPageSize.Width();
nHeight = aPageSize.Height();
mbFirstPageObjectSeen = true;
break;
}
maSmallPreviewSizePixel.Width() = SMALL_PREVIEW_WIDTH;
maLargePreviewSizePixel.Width() = LARGE_PREVIEW_WIDTH;
int nNewSmallHeight ((maSmallPreviewSizePixel.Width()-2) * nHeight / nWidth + 2);
int nNewLargeHeight ((maLargePreviewSizePixel.Width()-2) * nHeight / nWidth + 2);
if (nNewSmallHeight!=maSmallPreviewSizePixel.Height()
|| nNewLargeHeight!=maLargePreviewSizePixel.Height())
{
maSmallPreviewSizePixel.Height() = nNewSmallHeight;
maLargePreviewSizePixel.Height() = nNewLargeHeight;
FireContainerChange(
MasterPageContainerChangeEvent::SIZE_CHANGED,
NIL_TOKEN);
}
}
Size MasterPageContainer::Implementation::GetPreviewSizePixel (PreviewSize eSize) const
{
if (eSize == SMALL)
return maSmallPreviewSizePixel;
else
return maLargePreviewSizePixel;
}
IMPL_LINK(MasterPageContainer::Implementation,AsynchronousNotifyCallback, EventData*, pData)
{
const ::osl::MutexGuard aGuard (maMutex);
if (pData != NULL)
{
FireContainerChange(pData->first, pData->second, false);
delete pData;
}
return 0;
}
MasterPageContainer::Token MasterPageContainer::Implementation::PutMasterPage (
const SharedMasterPageDescriptor& rpDescriptor)
{
const ::osl::MutexGuard aGuard (maMutex);
Token aResult (NIL_TOKEN);
// Get page object and preview when that is inexpensive.
UpdateDescriptor(rpDescriptor,false,false, false);
// Look up the new MasterPageDescriptor and either insert it or update
// an already existing one.
MasterPageContainerType::iterator aEntry (
::std::find_if (
maContainer.begin(),
maContainer.end(),
MasterPageDescriptor::AllComparator(rpDescriptor)));
if (aEntry == maContainer.end())
{
// Insert a new MasterPageDescriptor.
bool bIgnore (rpDescriptor->mpPageObjectProvider.get()==NULL
&& rpDescriptor->msURL.getLength()==0);
if ( ! bIgnore)
{
if (mbContainerCleaningPending)
CleanContainer();
aResult = maContainer.size();
rpDescriptor->SetToken(aResult);
// Templates are precious, i.e. we lock them so that they will
// not be destroyed when (temporarily) no one references them.
// They will only be deleted when the container is destroyed.
switch (rpDescriptor->meOrigin)
{
case TEMPLATE:
case DEFAULT:
++rpDescriptor->mnUseCount;
break;
default:
break;
}
maContainer.push_back(rpDescriptor);
aEntry = maContainer.end()-1;
FireContainerChange(MasterPageContainerChangeEvent::CHILD_ADDED,aResult);
}
}
else
{
// Update an existing MasterPageDescriptor.
aResult = (*aEntry)->maToken;
::std::auto_ptr<std::vector<MasterPageContainerChangeEvent::EventType> > pEventTypes(
(*aEntry)->Update(*rpDescriptor));
if (pEventTypes.get()!=NULL && pEventTypes->size()>0)
{
// One or more aspects of the descriptor have changed. Send
// appropriate events to the listeners.
UpdateDescriptor(*aEntry,false,false, true);
std::vector<MasterPageContainerChangeEvent::EventType>::const_iterator iEventType;
for (iEventType=pEventTypes->begin(); iEventType!=pEventTypes->end(); ++iEventType)
{
FireContainerChange(
*iEventType,
(*aEntry)->maToken,
false);
}
}
}
return aResult;
}
bool MasterPageContainer::Implementation::HasToken (Token aToken) const
{
return aToken>=0
&& (unsigned)aToken<maContainer.size()
&& maContainer[aToken].get()!=NULL;
}
const SharedMasterPageDescriptor MasterPageContainer::Implementation::GetDescriptor (
Token aToken) const
{
if (aToken>=0 && (unsigned)aToken<maContainer.size())
return maContainer[aToken];
else
return SharedMasterPageDescriptor();
}
SharedMasterPageDescriptor MasterPageContainer::Implementation::GetDescriptor (Token aToken)
{
if (aToken>=0 && (unsigned)aToken<maContainer.size())
return maContainer[aToken];
else
return SharedMasterPageDescriptor();
}
void MasterPageContainer::Implementation::InvalidatePreview (Token aToken)
{
const ::osl::MutexGuard aGuard (maMutex);
SharedMasterPageDescriptor pDescriptor (GetDescriptor(aToken));
if (pDescriptor.get() != NULL)
{
pDescriptor->maSmallPreview = Image();
pDescriptor->maLargePreview = Image();
RequestPreview(aToken);
}
}
Image MasterPageContainer::Implementation::GetPreviewForToken (
MasterPageContainer::Token aToken,
PreviewSize ePreviewSize)
{
const ::osl::MutexGuard aGuard (maMutex);
Image aPreview;
PreviewState ePreviewState (GetPreviewState(aToken));
SharedMasterPageDescriptor pDescriptor = GetDescriptor(aToken);
// When the preview is missing but inexpensively creatable then do that
// now.
if (pDescriptor.get()!=NULL)
{
if (ePreviewState == PS_CREATABLE)
if (UpdateDescriptor(pDescriptor, false,false, true))
if (pDescriptor->maLargePreview.GetSizePixel().Width() != 0)
ePreviewState = PS_AVAILABLE;
switch (ePreviewState)
{
case PS_AVAILABLE:
aPreview = pDescriptor->GetPreview(ePreviewSize);
break;
case PS_PREPARING:
aPreview = GetPreviewSubstitution(
STR_TASKPANEL_PREPARING_PREVIEW_SUBSTITUTION,
ePreviewSize);
break;
case PS_CREATABLE:
aPreview = GetPreviewSubstitution(
STR_TASKPANEL_PREPARING_PREVIEW_SUBSTITUTION,
ePreviewSize);
break;
case PS_NOT_AVAILABLE:
aPreview = GetPreviewSubstitution(
STR_TASKPANEL_NOT_AVAILABLE_SUBSTITUTION,
ePreviewSize);
if (ePreviewSize == SMALL)
pDescriptor->maSmallPreview = aPreview;
else
pDescriptor->maLargePreview = aPreview;
break;
}
}
return aPreview;
}
MasterPageContainer::PreviewState MasterPageContainer::Implementation::GetPreviewState (
Token aToken) const
{
const ::osl::MutexGuard aGuard (maMutex);
PreviewState eState (PS_NOT_AVAILABLE);
SharedMasterPageDescriptor pDescriptor = GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
{
if (pDescriptor->maLargePreview.GetSizePixel().Width() != 0)
eState = PS_AVAILABLE;
else if (pDescriptor->mpPreviewProvider.get() != NULL)
{
// The preview does not exist but can be created. When that is
// not expensive then do it at once.
if (mpRequestQueue->HasRequest(aToken))
eState = PS_PREPARING;
else
eState = PS_CREATABLE;
}
else
eState = PS_NOT_AVAILABLE;
}
return eState;
}
bool MasterPageContainer::Implementation::RequestPreview (Token aToken)
{
SharedMasterPageDescriptor pDescriptor = GetDescriptor(aToken);
if (pDescriptor.get() != NULL)
return mpRequestQueue->RequestPreview(pDescriptor);
else
return false;
}
Reference<frame::XModel> MasterPageContainer::Implementation::GetModel (void)
{
const ::osl::MutexGuard aGuard (maMutex);
if ( ! mxModel.is())
{
// Get the desktop a s service factory.
::rtl::OUString sDesktopServiceName (
RTL_CONSTASCII_USTRINGPARAM("com.sun.star.frame.Desktop"));
uno::Reference<frame::XComponentLoader> xDesktop (
::comphelper::getProcessServiceFactory()->createInstance(
sDesktopServiceName),
uno::UNO_QUERY);
// Create a new model.
::rtl::OUString sModelServiceName (
RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.presentation.PresentationDocument"));
mxModel = uno::Reference<frame::XModel>(
::comphelper::getProcessServiceFactory()->createInstance(
sModelServiceName),
uno::UNO_QUERY);
// Initialize the model.
uno::Reference<frame::XLoadable> xLoadable (mxModel,uno::UNO_QUERY);
if (xLoadable.is())
xLoadable->initNew();
// Use its tunnel to get a pointer to its core implementation.
uno::Reference<lang::XUnoTunnel> xUnoTunnel (mxModel, uno::UNO_QUERY);
if (xUnoTunnel.is())
{
mpDocument = reinterpret_cast<SdXImpressDocument*>(
xUnoTunnel->getSomething(
SdXImpressDocument::getUnoTunnelId()))->GetDoc();
}
// Create a default page.
uno::Reference<drawing::XDrawPagesSupplier> xSlideSupplier (mxModel, uno::UNO_QUERY);
if (xSlideSupplier.is())
{
uno::Reference<drawing::XDrawPages> xSlides (
xSlideSupplier->getDrawPages(), uno::UNO_QUERY);
if (xSlides.is())
{
sal_Int32 nIndex (0);
uno::Reference<drawing::XDrawPage> xNewPage (xSlides->insertNewByIndex(nIndex));
uno::Reference<beans::XPropertySet> xProperties(xNewPage, uno::UNO_QUERY);
if (xProperties.is())
xProperties->setPropertyValue(
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Layout")),
makeAny((sal_Int16)AUTOLAYOUT_TITLE));
}
}
}
return mxModel;
}
SdDrawDocument* MasterPageContainer::Implementation::GetDocument (void)
{
GetModel();
return mpDocument;
}
Image MasterPageContainer::Implementation::GetPreviewSubstitution (
USHORT nId,
PreviewSize ePreviewSize)
{
const ::osl::MutexGuard aGuard (maMutex);
Image aPreview;
switch (nId)
{
case STR_TASKPANEL_PREPARING_PREVIEW_SUBSTITUTION:
{
Image& rPreview (ePreviewSize==SMALL
? maSmallPreviewBeingCreated
: maLargePreviewBeingCreated);
if (rPreview.GetSizePixel().Width() == 0)
{
rPreview = maPreviewRenderer.RenderSubstitution(
ePreviewSize==SMALL ? maSmallPreviewSizePixel : maLargePreviewSizePixel,
SdResId(STR_TASKPANEL_PREPARING_PREVIEW_SUBSTITUTION));
}
aPreview = rPreview;
}
break;
case STR_TASKPANEL_NOT_AVAILABLE_SUBSTITUTION:
{
Image& rPreview (ePreviewSize==SMALL
? maSmallPreviewNotAvailable
: maLargePreviewNotAvailable);
if (rPreview.GetSizePixel().Width() == 0)
{
rPreview = maPreviewRenderer.RenderSubstitution(
ePreviewSize==SMALL ? maSmallPreviewSizePixel : maLargePreviewSizePixel,
SdResId(STR_TASKPANEL_NOT_AVAILABLE_SUBSTITUTION));
}
aPreview = rPreview;
}
break;
}
return aPreview;
}
void MasterPageContainer::Implementation::CleanContainer (void)
{
// Remove the empty elements at the end of the container. The empty
// elements in the middle can not be removed because that would
// invalidate the references still held by others.
int nIndex (maContainer.size()-1);
while (nIndex>=0 && maContainer[nIndex].get()==NULL)
--nIndex;
maContainer.resize(++nIndex);
}
void MasterPageContainer::Implementation::FireContainerChange (
MasterPageContainerChangeEvent::EventType eType,
Token aToken,
bool bNotifyAsynchronously)
{
if (bNotifyAsynchronously)
{
Application::PostUserEvent(
LINK(this,Implementation,AsynchronousNotifyCallback),
new EventData(eType,aToken));
}
else
{
::std::vector<Link> aCopy(maChangeListeners.begin(),maChangeListeners.end());
::std::vector<Link>::iterator iListener;
MasterPageContainerChangeEvent aEvent;
aEvent.meEventType = eType;
aEvent.maChildToken = aToken;
for (iListener=aCopy.begin(); iListener!=aCopy.end(); ++iListener)
iListener->Call(&aEvent);
}
}
bool MasterPageContainer::Implementation::UpdateDescriptor (
const SharedMasterPageDescriptor& rpDescriptor,
bool bForcePageObject,
bool bForcePreview,
bool bSendEvents)
{
const ::osl::MutexGuard aGuard (maMutex);
// We have to create the page object when the preview provider needs it
// and the caller needs the preview.
bForcePageObject |= (bForcePreview
&& rpDescriptor->mpPreviewProvider->NeedsPageObject()
&& rpDescriptor->mpMasterPage==NULL);
// Define a cost threshold so that an update or page object or preview
// that is at least this cost are made at once. Updates with higher cost
// are scheduled for later.
sal_Int32 nCostThreshold (mpRequestQueue->IsEmpty() ? 5 : 0);
// Update the page object (which may be used for the preview update).
if (bForcePageObject)
GetDocument();
bool bPageObjectModified (rpDescriptor->UpdatePageObject(
(bForcePageObject ? -1 : nCostThreshold),
mpDocument));
if (bPageObjectModified && bSendEvents)
FireContainerChange(
MasterPageContainerChangeEvent::DATA_CHANGED,
rpDescriptor->maToken);
if (bPageObjectModified && ! mbFirstPageObjectSeen)
UpdatePreviewSizePixel();
// Update the preview.
bool bPreviewModified (rpDescriptor->UpdatePreview(
(bForcePreview ? -1 : nCostThreshold),
maSmallPreviewSizePixel,
maLargePreviewSizePixel,
maPreviewRenderer));
if (bPreviewModified && bSendEvents)
FireContainerChange(
MasterPageContainerChangeEvent::PREVIEW_CHANGED,
rpDescriptor->maToken);
return bPageObjectModified || bPreviewModified;
}
void MasterPageContainer::Implementation::ReleaseDescriptor (Token aToken)
{
if (aToken>=0 && (unsigned)aToken<maContainer.size())
{
maContainer[aToken].reset();
mbContainerCleaningPending = true;
}
}
void MasterPageContainer::Implementation::FillingDone (void)
{
mpRequestQueue->ProcessAllRequests();
}
} } } // end of namespace ::sd::toolpanel::controls
namespace {
//===== PreviewCreationRequest ================================================
PreviewCreationRequest::PreviewCreationRequest (
MasterPageContainer::Token aToken,
int nPriority)
: maToken(aToken),
mnPriority(nPriority)
{
}
bool PreviewCreationRequest::Compare::operator() (
const PreviewCreationRequest& aRequest1,
const PreviewCreationRequest& aRequest2)
{
if (aRequest1.mnPriority != aRequest2.mnPriority)
{
// Prefer requests with higher priority.
return aRequest1.mnPriority > aRequest2.mnPriority;
}
else
{
// Prefer tokens that have been earlier created (those with lower
// value).
return aRequest1.maToken < aRequest2.maToken;
}
}
PreviewCreationRequest::CompareToken::CompareToken (MasterPageContainer::Token aToken)
: maToken(aToken)
{
}
bool PreviewCreationRequest::CompareToken::operator() (const PreviewCreationRequest& aRequest)
{
return maToken==aRequest.maToken;
}
} // end of anonymous namespace