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Diffstat (limited to 'sd/source/ui/sidebar/MasterPageContainer.cxx')
| -rw-r--r-- | sd/source/ui/sidebar/MasterPageContainer.cxx | 1212 |
1 files changed, 1212 insertions, 0 deletions
diff --git a/sd/source/ui/sidebar/MasterPageContainer.cxx b/sd/source/ui/sidebar/MasterPageContainer.cxx new file mode 100644 index 000000000000..d32629419245 --- /dev/null +++ b/sd/source/ui/sidebar/MasterPageContainer.cxx @@ -0,0 +1,1212 @@ +/************************************************************** + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + *************************************************************/ + +#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; + +namespace { + +typedef ::std::vector<sd::sidebar::SharedMasterPageDescriptor> MasterPageContainerType; + +} // end of anonymous namespace + + +namespace sd { namespace sidebar { + + +/** 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 (sal_uInt16 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::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; +} + + + + +SharedMasterPageDescriptor MasterPageContainer::GetDescriptorForToken ( + MasterPageContainer::Token aToken) +{ + const ::osl::MutexGuard aGuard (mpImpl->maMutex); + + return mpImpl->GetDescriptor(aToken); +} + + + +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 ( + sal_uInt16 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::sidebar |