| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_svx.hxx" |
| |
| #include <svx/sdr/contact/viewobjectcontactofgraphic.hxx> |
| #include <svx/sdr/contact/viewcontactofgraphic.hxx> |
| #include <svx/sdr/event/eventhandler.hxx> |
| #include <svx/svdograf.hxx> |
| #include <svx/sdr/contact/objectcontact.hxx> |
| #include <svx/svdmodel.hxx> |
| #include <svx/svdpage.hxx> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace sdr |
| { |
| namespace event |
| { |
| class AsynchGraphicLoadingEvent : public BaseEvent |
| { |
| // the ViewContactOfGraphic to work with |
| sdr::contact::ViewObjectContactOfGraphic& mrVOCOfGraphic; |
| |
| public: |
| // basic constructor. |
| AsynchGraphicLoadingEvent(EventHandler& rEventHandler, sdr::contact::ViewObjectContactOfGraphic& rVOCOfGraphic); |
| |
| // destructor |
| virtual ~AsynchGraphicLoadingEvent(); |
| |
| // the called method if the event is triggered |
| virtual void ExecuteEvent(); |
| }; |
| |
| AsynchGraphicLoadingEvent::AsynchGraphicLoadingEvent( |
| EventHandler& rEventHandler, sdr::contact::ViewObjectContactOfGraphic& rVOCOfGraphic) |
| : BaseEvent(rEventHandler), |
| mrVOCOfGraphic(rVOCOfGraphic) |
| { |
| } |
| |
| AsynchGraphicLoadingEvent::~AsynchGraphicLoadingEvent() |
| { |
| mrVOCOfGraphic.forgetAsynchGraphicLoadingEvent(this); |
| } |
| |
| void AsynchGraphicLoadingEvent::ExecuteEvent() |
| { |
| mrVOCOfGraphic.doAsynchGraphicLoading(); |
| } |
| } // end of namespace event |
| } // end of namespace sdr |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace sdr |
| { |
| namespace contact |
| { |
| // Test graphics state and eventually trigger a SwapIn event or an Asynchronous |
| // load event. Return value gives info if SwapIn was triggered or not |
| bool ViewObjectContactOfGraphic::impPrepareGraphicWithAsynchroniousLoading() |
| { |
| bool bRetval(false); |
| SdrGrafObj& rGrafObj = getSdrGrafObj(); |
| |
| if(rGrafObj.IsSwappedOut()) |
| { |
| if(rGrafObj.IsLinkedGraphic()) |
| { |
| // update graphic link |
| rGrafObj.ImpUpdateGraphicLink(); |
| } |
| else |
| { |
| // SwapIn needs to be done. Decide if it can be done asynchronious. |
| bool bSwapInAsynchronious(false); |
| ObjectContact& rObjectContact = GetObjectContact(); |
| |
| // only when allowed from configuration |
| if(rObjectContact.IsAsynchronGraphicsLoadingAllowed()) |
| { |
| // direct output or vdev output (PageView buffering) |
| if(rObjectContact.isOutputToWindow() || rObjectContact.isOutputToVirtualDevice()) |
| { |
| // only when no metafile recording |
| if(!rObjectContact.isOutputToRecordingMetaFile()) |
| { |
| // allow asynchronious loading |
| bSwapInAsynchronious = true; |
| } |
| } |
| } |
| |
| if(bSwapInAsynchronious) |
| { |
| // maybe it's on the way, then do nothing |
| if(!mpAsynchLoadEvent) |
| { |
| // Trigger asynchronious SwapIn. |
| sdr::event::TimerEventHandler& rEventHandler = rObjectContact.GetEventHandler(); |
| |
| mpAsynchLoadEvent = new sdr::event::AsynchGraphicLoadingEvent(rEventHandler, *this); |
| } |
| } |
| else |
| { |
| if(rObjectContact.isOutputToPrinter()) |
| { |
| // #i76395# preview mechanism is only active if |
| // swapin is called from inside paint preparation, so mbInsidePaint |
| // has to be false to be able to print with high resolution |
| rGrafObj.ForceSwapIn(); |
| } |
| else |
| { |
| // SwapIn direct |
| rGrafObj.mbInsidePaint = sal_True; |
| rGrafObj.ForceSwapIn(); |
| rGrafObj.mbInsidePaint = sal_False; |
| } |
| |
| bRetval = true; |
| } |
| } |
| } |
| else |
| { |
| // it is not swapped out, somehow it was loaded. In that case, forget |
| // about an existing triggered event |
| if(mpAsynchLoadEvent) |
| { |
| // just delete it, this will remove it from the EventHandler and |
| // will trigger forgetAsynchGraphicLoadingEvent from the destructor |
| delete mpAsynchLoadEvent; |
| } |
| } |
| |
| return bRetval; |
| } |
| |
| // Test graphics state and eventually trigger a SwapIn event. Return value |
| // gives info if SwapIn was triggered or not |
| bool ViewObjectContactOfGraphic::impPrepareGraphicWithSynchroniousLoading() |
| { |
| bool bRetval(false); |
| SdrGrafObj& rGrafObj = getSdrGrafObj(); |
| |
| if(rGrafObj.IsSwappedOut()) |
| { |
| if(rGrafObj.IsLinkedGraphic()) |
| { |
| // update graphic link |
| rGrafObj.ImpUpdateGraphicLink( sal_False ); |
| } |
| else |
| { |
| ObjectContact& rObjectContact = GetObjectContact(); |
| |
| if(rObjectContact.isOutputToPrinter()) |
| { |
| // #i76395# preview mechanism is only active if |
| // swapin is called from inside paint preparation, so mbInsidePaint |
| // has to be false to be able to print with high resolution |
| rGrafObj.ForceSwapIn(); |
| } |
| else |
| { |
| // SwapIn direct |
| rGrafObj.mbInsidePaint = sal_True; |
| rGrafObj.ForceSwapIn(); |
| rGrafObj.mbInsidePaint = sal_False; |
| } |
| |
| bRetval = true; |
| } |
| } |
| |
| return bRetval; |
| } |
| |
| // This is the call from the asynch graphic loading. This may only be called from |
| // AsynchGraphicLoadingEvent::ExecuteEvent(). Do load the graphics. The event will |
| // be deleted (consumed) and forgetAsynchGraphicLoadingEvent will be called. |
| void ViewObjectContactOfGraphic::doAsynchGraphicLoading() |
| { |
| DBG_ASSERT(mpAsynchLoadEvent, "ViewObjectContactOfGraphic::doAsynchGraphicLoading: I did not trigger a event, why am i called (?)"); |
| |
| // swap it in |
| SdrGrafObj& rGrafObj = getSdrGrafObj(); |
| rGrafObj.ForceSwapIn(); |
| |
| // #i103720# forget event to avoid possible deletion by the following ActionChanged call |
| // which may use createPrimitive2DSequence/impPrepareGraphicWithAsynchroniousLoading again. |
| // Deletion is actally done by the scheduler who leaded to coming here |
| mpAsynchLoadEvent = 0; |
| |
| // Invalidate all paint areas and check existing animation (which may have changed). |
| GetViewContact().ActionChanged(); |
| } |
| |
| // This is the call from the destructor of the asynch graphic loading event. |
| // No one else has to call this. It is needed to let this object forget about |
| // the event. The parameter allows checking for the correct event. |
| void ViewObjectContactOfGraphic::forgetAsynchGraphicLoadingEvent(sdr::event::AsynchGraphicLoadingEvent* pEvent) |
| { |
| (void) pEvent; // suppress warning |
| |
| if(mpAsynchLoadEvent) |
| { |
| OSL_ENSURE(!pEvent || mpAsynchLoadEvent == pEvent, |
| "ViewObjectContactOfGraphic::forgetAsynchGraphicLoadingEvent: Forced to forget another event then i have scheduled (?)"); |
| |
| // forget event |
| mpAsynchLoadEvent = 0; |
| } |
| } |
| |
| SdrGrafObj& ViewObjectContactOfGraphic::getSdrGrafObj() |
| { |
| return static_cast< ViewContactOfGraphic& >(GetViewContact()).GetGrafObject(); |
| } |
| |
| drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfGraphic::createPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const |
| { |
| // prepare primitive generation with evtl. loading the graphic when it's swapped out |
| SdrGrafObj& rGrafObj = const_cast< ViewObjectContactOfGraphic* >(this)->getSdrGrafObj(); |
| bool bDoAsynchronGraphicLoading(rGrafObj.GetModel() && rGrafObj.GetModel()->IsSwapGraphics()); |
| bool bSwapInDone(false); |
| bool bSwapInExclusive(false); |
| |
| if( bDoAsynchronGraphicLoading && rGrafObj.IsSwappedOut() ) |
| { |
| // sometimes it is needed that each graphic is completely available and swapped in |
| // for these cases a ForceSwapIn is called later at the graphic object |
| if ( rGrafObj.GetPage() && rGrafObj.GetPage()->IsMasterPage() ) |
| { |
| // #i102380# force Swap-In for GraphicObjects on MasterPage to have a nicer visualisation |
| bDoAsynchronGraphicLoading = false; |
| } |
| else if ( GetObjectContact().isOutputToPrinter() |
| || GetObjectContact().isOutputToRecordingMetaFile() |
| || GetObjectContact().isOutputToPDFFile() ) |
| { |
| bDoAsynchronGraphicLoading = false; |
| bSwapInExclusive = true; |
| } |
| } |
| if( bDoAsynchronGraphicLoading ) |
| { |
| bSwapInDone = const_cast< ViewObjectContactOfGraphic* >(this)->impPrepareGraphicWithAsynchroniousLoading(); |
| } |
| else |
| { |
| bSwapInDone = const_cast< ViewObjectContactOfGraphic* >(this)->impPrepareGraphicWithSynchroniousLoading(); |
| } |
| |
| // get return value by calling parent |
| drawinglayer::primitive2d::Primitive2DSequence xRetval = ViewObjectContactOfSdrObj::createPrimitive2DSequence(rDisplayInfo); |
| |
| if(xRetval.hasElements()) |
| { |
| // #i103255# suppress when graphic needs draft visualisation and output |
| // is for PDF export/Printer |
| const ViewContactOfGraphic& rVCOfGraphic = static_cast< const ViewContactOfGraphic& >(GetViewContact()); |
| |
| if(rVCOfGraphic.visualisationUsesDraft()) |
| { |
| const ObjectContact& rObjectContact = GetObjectContact(); |
| |
| if(rObjectContact.isOutputToPDFFile() || rObjectContact.isOutputToPrinter()) |
| { |
| xRetval = drawinglayer::primitive2d::Primitive2DSequence(); |
| } |
| } |
| } |
| |
| // if swap in was forced only for printing metafile and pdf, swap out again |
| if( bSwapInDone && bSwapInExclusive ) |
| { |
| rGrafObj.ForceSwapOut(); |
| } |
| |
| return xRetval; |
| } |
| |
| ViewObjectContactOfGraphic::ViewObjectContactOfGraphic(ObjectContact& rObjectContact, ViewContact& rViewContact) |
| : ViewObjectContactOfSdrObj(rObjectContact, rViewContact), |
| mpAsynchLoadEvent(0) |
| { |
| } |
| |
| ViewObjectContactOfGraphic::~ViewObjectContactOfGraphic() |
| { |
| // evtl. delete the asynch loading event |
| if(mpAsynchLoadEvent) |
| { |
| // just delete it, this will remove it from the EventHandler and |
| // will trigger forgetAsynchGraphicLoadingEvent from the destructor |
| delete mpAsynchLoadEvent; |
| } |
| } |
| } // end of namespace contact |
| } // end of namespace sdr |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // eof |
