mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 06:11:37 +00:00
Changed the printing to use the ImageGroup notifications rather than the document loader because a document is *not* being loaded... This fixes printing after the changes to the document loader notifications.
This commit is contained in:
rpotts%netscape.com
parent
5cdaefc592
commit
547771542f
@ -23,7 +23,9 @@
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#include "nsISupports.h"
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#include "nsIContentViewerContainer.h"
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#include "nsIDocumentViewer.h"
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#include "nsIDocumentLoaderObserver.h"
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#include "nsIImageGroup.h"
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#include "nsIImageObserver.h"
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#include "nsIDocument.h"
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#include "nsIPresContext.h"
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@ -52,6 +54,11 @@
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#include "nsIWebShell.h"
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#include "nsIServiceManager.h"
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#include "nsIEventQueueService.h"
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#include "nsIEventQueue.h"
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static NS_DEFINE_CID(kEventQueueService, NS_EVENTQUEUESERVICE_CID);
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static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
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#ifdef NS_DEBUG
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@ -60,7 +67,8 @@ static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
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#undef NOISY_VIEWER
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#endif
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class DocumentViewerImpl : public nsIDocumentViewer, public nsIDocumentLoaderObserver
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class DocumentViewerImpl : public nsIDocumentViewer,
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public nsIImageGroupObserver
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{
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public:
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DocumentViewerImpl();
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@ -99,44 +107,9 @@ public:
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NS_IMETHOD CreateDocumentViewerUsing(nsIPresContext* aPresContext,
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nsIDocumentViewer*& aResult);
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// nsIDocumentLoaderObserver interface
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NS_IMETHOD OnStartDocumentLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aCommand) {return NS_OK;}
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#ifndef NECKO
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NS_IMETHOD OnEndDocumentLoad(nsIDocumentLoader* loader, nsIURI *aUrl, PRInt32 aStatus,nsIDocumentLoaderObserver * aObserver){return NS_OK;}
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#else
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NS_IMETHOD OnEndDocumentLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus,nsIDocumentLoaderObserver * aObserver){return NS_OK;}
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#endif // NECKO
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#ifndef NECKO
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NS_IMETHOD OnStartURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aContentType,nsIContentViewer* aViewer);
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#else
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NS_IMETHOD OnStartURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsIContentViewer* aViewer);
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#endif // NECKO
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#ifndef NECKO
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NS_IMETHOD OnProgressURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, PRUint32 aProgress,PRUint32 aProgressMax){return NS_OK;}
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#else
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NS_IMETHOD OnProgressURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, PRUint32 aProgress,PRUint32 aProgressMax){return NS_OK;}
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#endif // NECKO
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#ifndef NECKO
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NS_IMETHOD OnStatusURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, nsString& aMsg){return NS_OK;}
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#else
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NS_IMETHOD OnStatusURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsString& aMsg){return NS_OK;}
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#endif // NECKO
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#ifndef NECKO
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NS_IMETHOD OnEndURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, PRInt32 aStatus);
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#else
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NS_IMETHOD OnEndURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus);
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#endif // NECKO
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#ifndef NECKO
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NS_IMETHOD HandleUnknownContentType(nsIDocumentLoader* loader,nsIURI *aURL,const char *aContentType,const char *aCommand ){return NS_OK;}
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#else
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NS_IMETHOD HandleUnknownContentType(nsIDocumentLoader* loader,nsIChannel* channel,const char *aContentType,const char *aCommand ){return NS_OK;}
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#endif // NECKO
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// nsIImageGroupObserver interface...
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virtual void Notify(nsIImageGroup *aImageGroup,
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nsImageGroupNotification aNotificationType);
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protected:
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virtual ~DocumentViewerImpl();
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@ -148,6 +121,14 @@ private:
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const nsRect& aBounds,
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nsScrollPreference aScrolling);
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//
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// The following three methods are used for printing...
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//
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void DocumentReadyForPrinting();
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static void PR_CALLBACK HandlePLEvent(PLEvent* aEvent);
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static void PR_CALLBACK DestroyPLEvent(PLEvent* aEvent);
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protected:
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// IMPORTANT: The ownership implicit in the following member
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// variables has been explicitly checked and set using nsCOMPtr
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@ -536,16 +517,18 @@ static NS_DEFINE_IID(kDeviceContextSpecFactoryCID, NS_DEVICE_CONTEXT_SPEC_FACTOR
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NS_IMETHODIMP
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DocumentViewerImpl::Print(void)
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{
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nsIContentViewerContainer *containerResult;
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nsIWebShell *webContainer;
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nsIDeviceContextSpecFactory *factory = nsnull;
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nsCOMPtr<nsIContentViewerContainer> containerResult;
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nsCOMPtr<nsIWebShell> webContainer;
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nsCOMPtr<nsIDeviceContextSpecFactory> factory;
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PRInt32 width,height;
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nsIPref *prefs;
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PRBool isBusy;
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nsCOMPtr<nsIPref> prefs;
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nsComponentManager::CreateInstance(kDeviceContextSpecFactoryCID, nsnull,kIDeviceContextSpecFactoryIID,(void **)&factory);
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nsComponentManager::CreateInstance(kDeviceContextSpecFactoryCID,
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nsnull,
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kIDeviceContextSpecFactoryIID,
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(void **)getter_AddRefs(factory));
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if (nsnull != factory) {
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if (factory) {
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#ifdef DEBUG_dcone
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printf("PRINT JOB STARTING\n");
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@ -564,11 +547,9 @@ PRBool isBusy;
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NS_RELEASE(devspec);
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// Get the webshell for this documentviewer
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rv = this->GetContainer(containerResult);
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containerResult->QueryInterface(kIWebShellIID,(void**)&webContainer);
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rv = this->GetContainer(*getter_AddRefs(containerResult));
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webContainer = do_QueryInterface(containerResult);
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if(webContainer) {
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webContainer->SetDocLoaderObserver(this);
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// load the document and do the initial reflow on the entire document
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rv = NS_NewPrintContext(&mPrintPC);
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if(NS_FAILED(rv)){
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@ -576,7 +557,7 @@ PRBool isBusy;
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}
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mPrintDC->GetDeviceSurfaceDimensions(width,height);
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mPresContext->GetPrefs(&prefs);
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mPresContext->GetPrefs(getter_AddRefs(prefs));
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mPrintPC->Init(mPrintDC,prefs);
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CreateStyleSet(mDocument,&mPrintSS);
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@ -609,6 +590,13 @@ PRBool isBusy;
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// setup hierarchical relationship in view manager
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mPrintVM->SetRootView(mPrintView);
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mPrintPS->Init(mDocument,mPrintPC,mPrintVM,mPrintSS);
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nsCOMPtr<nsIImageGroup> imageGroup;
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mPrintPC->GetImageGroup(getter_AddRefs(imageGroup));
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if (imageGroup) {
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imageGroup->AddObserver(this);
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}
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mPrintPS->InitialReflow(width,height);
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#ifdef DEBUG_dcone
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@ -659,19 +647,13 @@ PRBool isBusy;
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printf(" DeviceDimension w = %d h = %d\n",i1,i2);
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#endif
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// check NETLIB to see if something was kicked off,
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webContainer->IsBusy(isBusy);
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// if this did not fire any loads, then continue printing
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if(!isBusy){
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PrintContent(webContainer,mPrintDC);
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webContainer->SetDocLoaderObserver(0);
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mPrintPS->EndObservingDocument();
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NS_RELEASE(mPrintPS);
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NS_RELEASE(mPrintVM);
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NS_RELEASE(mPrintSS);
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NS_RELEASE(mPrintDC);
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//
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// The mIsPrinting flag is set when the ImageGroup observer is
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// notified that images must be loaded as a result of the
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// InitialReflow...
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//
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if(!mIsPrinting){
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DocumentReadyForPrinting();
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#ifdef DEBUG_dcone
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printf("PRINT JOB ENDING, OBSERVER WAS NOT CALLED\n");
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#endif
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@ -680,13 +662,10 @@ PRBool isBusy;
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#ifdef DEBUG_dcone
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printf("PRINTING OBSERVER STARTED\n");
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#endif
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mIsPrinting = PR_TRUE;
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mNumURLStarts = 0;
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}
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}
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}
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}
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NS_RELEASE(factory);
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}
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return NS_OK;
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}
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@ -698,9 +677,9 @@ PRBool isBusy;
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NS_IMETHODIMP
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DocumentViewerImpl::PrintContent(nsIWebShell *aParent,nsIDeviceContext *aDContext)
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{
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nsIStyleSet *ss;
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nsIPref *prefs;
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nsIViewManager *vm;
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nsCOMPtr<nsIStyleSet> ss;
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nsCOMPtr<nsIPref> prefs;
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nsCOMPtr<nsIViewManager> vm;
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PRInt32 width, height;
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nsIView *view;
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nsresult rv;
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@ -715,32 +694,38 @@ nsIContentViewer *viewer;
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aParent->ChildAt(i,childWebShell);
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childWebShell->GetContentViewer(&viewer);
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viewer->PrintContent(childWebShell,aDContext);
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NS_RELEASE(childWebShell);
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NS_RELEASE(viewer);
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}
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} else {
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aDContext->BeginDocument();
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aDContext->GetDeviceSurfaceDimensions(width, height);
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nsIPresContext *cx;
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rv = NS_NewPrintContext(&cx);
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nsCOMPtr<nsIPresContext> cx;
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rv = NS_NewPrintContext(getter_AddRefs(cx));
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if (NS_FAILED(rv)) {
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return rv;
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}
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mPresContext->GetPrefs(&prefs);
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mPresContext->GetPrefs(getter_AddRefs(prefs));
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cx->Init(aDContext, prefs);
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nsCompatibility mode;
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mPresContext->GetCompatibilityMode(&mode);
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cx->SetCompatibilityMode(mode);
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CreateStyleSet(mDocument, &ss);
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CreateStyleSet(mDocument, getter_AddRefs(ss));
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nsIPresShell *ps;
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rv = NS_NewPresShell(&ps);
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nsCOMPtr<nsIPresShell> ps;
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rv = NS_NewPresShell(getter_AddRefs(ps));
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if (NS_FAILED(rv)) {
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return rv;
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}
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rv = nsComponentManager::CreateInstance(kViewManagerCID,nsnull,kIViewManagerIID,(void **)&vm);
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rv = nsComponentManager::CreateInstance(kViewManagerCID,
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nsnull,
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kIViewManagerIID,
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(void **)getter_AddRefs(vm));
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if (NS_FAILED(rv)) {
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return rv;
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}
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@ -780,66 +765,58 @@ nsIContentViewer *viewer;
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aDContext->EndDocument();
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ps->EndObservingDocument();
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NS_RELEASE(ps);
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NS_RELEASE(vm);
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NS_RELEASE(ss);
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NS_IF_RELEASE(prefs); // XXX why is the prefs null??
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}
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return NS_OK;
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}
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/** ---------------------------------------------------
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* See documentation above in the DocumentViewerImpl class definition
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* @update 07/09/99 dwc
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*/
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NS_IMETHODIMP
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#ifdef NECKO
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DocumentViewerImpl::OnStartURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsIContentViewer* aViewer)
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#else
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DocumentViewerImpl::OnStartURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aContentType,nsIContentViewer* aViewer)
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#endif
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void DocumentViewerImpl::Notify(nsIImageGroup *aImageGroup,
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nsImageGroupNotification aNotificationType)
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{
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mNumURLStarts++;
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return NS_OK;
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}
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/** ---------------------------------------------------
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* See documentation above in the DocumentViewerImpl class definition
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* @update 07/09/99 dwc
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*/
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NS_IMETHODIMP
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#ifdef NECKO
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DocumentViewerImpl::OnEndURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus)
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#else
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DocumentViewerImpl::OnEndURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, PRInt32 aStatus)
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#endif // NECKO
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{
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nsIContentViewerContainer *containerResult;
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nsIWebShell *webContainer;
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//
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// Image are being loaded... Set the flag to delay printing until
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// all images are loaded.
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//
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if (aNotificationType == nsImageGroupNotification_kStartedLoading) {
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mIsPrinting = PR_TRUE;
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}
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//
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// All the images have been loaded, so the document is ready to print.
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//
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// However, at this point we are unable to release the resources that
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// were allocated for printing... This is because ImgLib resources will
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// be deleted and *this* is an ImgLib notification routine. So, fire an
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// event to do the actual printing.
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//
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else if(aNotificationType == nsImageGroupNotification_kFinishedLoading) {
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nsresult rv;
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nsCOMPtr<nsIEventQueue> eventQ;
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mNumURLStarts--;
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// Get the event queue of the current thread...
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NS_WITH_SERVICE(nsIEventQueueService, eventQService, kEventQueueService, &rv);
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if (NS_FAILED(rv)) return;
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if((mIsPrinting==PR_TRUE) && (mNumURLStarts == 0)) {
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rv = this->GetContainer(containerResult);
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containerResult->QueryInterface(kIWebShellIID,(void**)&webContainer);
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if(webContainer) {
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PrintContent(webContainer,mPrintDC);
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rv = eventQService->GetThreadEventQueue(PR_CurrentThread(),
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getter_AddRefs(eventQ));
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if (NS_FAILED(rv)) return;
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// printing is complete, clean up now
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mIsPrinting = PR_FALSE;
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webContainer->SetDocLoaderObserver(0);
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PRStatus status;
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PLEvent *event = new PLEvent;
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mPrintPS->EndObservingDocument();
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NS_RELEASE(mPrintPS);
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NS_RELEASE(mPrintVM);
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NS_RELEASE(mPrintSS);
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NS_RELEASE(mPrintDC);
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if (!event) return;
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//
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// AddRef this because it is being placed in the PLEvent struct.
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// It will be Released when DestroyPLEvent is called...
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//
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NS_ADDREF_THIS();
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PL_InitEvent(event,
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this,
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(PLHandleEventProc) DocumentViewerImpl::HandlePLEvent,
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(PLDestroyEventProc) DocumentViewerImpl::DestroyPLEvent);
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status = eventQ->PostEvent(event);
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}
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}
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return NS_OK;
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}
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@ -994,3 +971,64 @@ DocumentViewerImpl::CreateDocumentViewerUsing(nsIPresContext* aPresContext,
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return rv;
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}
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void PR_CALLBACK DocumentViewerImpl::HandlePLEvent(PLEvent* aEvent)
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{
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DocumentViewerImpl *viewer;
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viewer = (DocumentViewerImpl*)PL_GetEventOwner(aEvent);
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NS_ASSERTION(viewer, "The event owner is null.");
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if (viewer) {
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viewer->DocumentReadyForPrinting();
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}
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}
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void PR_CALLBACK DocumentViewerImpl::DestroyPLEvent(PLEvent* aEvent)
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{
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DocumentViewerImpl *viewer;
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viewer = (DocumentViewerImpl*)PL_GetEventOwner(aEvent);
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NS_IF_RELEASE(viewer);
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delete aEvent;
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}
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void DocumentViewerImpl::DocumentReadyForPrinting()
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{
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nsresult rv;
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nsCOMPtr<nsIContentViewerContainer> containerResult;
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nsCOMPtr<nsIWebShell> webContainer;
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rv = this->GetContainer(*getter_AddRefs(containerResult));
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webContainer = do_QueryInterface(containerResult);
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if(webContainer) {
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//
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// Remove ourselves as an image group observer...
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//
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nsCOMPtr<nsIImageGroup> imageGroup;
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mPrintPC->GetImageGroup(getter_AddRefs(imageGroup));
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if (imageGroup) {
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imageGroup->RemoveObserver(this);
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}
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//
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// Send the document to the printer...
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//
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PrintContent(webContainer,mPrintDC);
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// printing is complete, clean up now
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mIsPrinting = PR_FALSE;
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mPrintPS->EndObservingDocument();
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NS_RELEASE(mPrintPS);
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NS_RELEASE(mPrintVM);
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NS_RELEASE(mPrintSS);
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NS_RELEASE(mPrintDC);
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}
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}
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@ -23,7 +23,9 @@
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#include "nsISupports.h"
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#include "nsIContentViewerContainer.h"
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#include "nsIDocumentViewer.h"
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#include "nsIDocumentLoaderObserver.h"
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#include "nsIImageGroup.h"
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#include "nsIImageObserver.h"
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#include "nsIDocument.h"
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#include "nsIPresContext.h"
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@ -52,6 +54,11 @@
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#include "nsIWebShell.h"
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#include "nsIServiceManager.h"
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#include "nsIEventQueueService.h"
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#include "nsIEventQueue.h"
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static NS_DEFINE_CID(kEventQueueService, NS_EVENTQUEUESERVICE_CID);
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static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
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#ifdef NS_DEBUG
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@ -60,7 +67,8 @@ static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
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#undef NOISY_VIEWER
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#endif
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class DocumentViewerImpl : public nsIDocumentViewer, public nsIDocumentLoaderObserver
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class DocumentViewerImpl : public nsIDocumentViewer,
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public nsIImageGroupObserver
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{
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public:
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DocumentViewerImpl();
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@ -99,44 +107,9 @@ public:
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NS_IMETHOD CreateDocumentViewerUsing(nsIPresContext* aPresContext,
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||||
nsIDocumentViewer*& aResult);
|
||||
|
||||
// nsIDocumentLoaderObserver interface
|
||||
NS_IMETHOD OnStartDocumentLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aCommand) {return NS_OK;}
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnEndDocumentLoad(nsIDocumentLoader* loader, nsIURI *aUrl, PRInt32 aStatus,nsIDocumentLoaderObserver * aObserver){return NS_OK;}
|
||||
#else
|
||||
NS_IMETHOD OnEndDocumentLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus,nsIDocumentLoaderObserver * aObserver){return NS_OK;}
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnStartURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aContentType,nsIContentViewer* aViewer);
|
||||
#else
|
||||
NS_IMETHOD OnStartURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsIContentViewer* aViewer);
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnProgressURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, PRUint32 aProgress,PRUint32 aProgressMax){return NS_OK;}
|
||||
#else
|
||||
NS_IMETHOD OnProgressURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, PRUint32 aProgress,PRUint32 aProgressMax){return NS_OK;}
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnStatusURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, nsString& aMsg){return NS_OK;}
|
||||
#else
|
||||
NS_IMETHOD OnStatusURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsString& aMsg){return NS_OK;}
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnEndURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, PRInt32 aStatus);
|
||||
#else
|
||||
NS_IMETHOD OnEndURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus);
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD HandleUnknownContentType(nsIDocumentLoader* loader,nsIURI *aURL,const char *aContentType,const char *aCommand ){return NS_OK;}
|
||||
#else
|
||||
NS_IMETHOD HandleUnknownContentType(nsIDocumentLoader* loader,nsIChannel* channel,const char *aContentType,const char *aCommand ){return NS_OK;}
|
||||
#endif // NECKO
|
||||
// nsIImageGroupObserver interface...
|
||||
virtual void Notify(nsIImageGroup *aImageGroup,
|
||||
nsImageGroupNotification aNotificationType);
|
||||
|
||||
protected:
|
||||
virtual ~DocumentViewerImpl();
|
||||
@ -148,6 +121,14 @@ private:
|
||||
const nsRect& aBounds,
|
||||
nsScrollPreference aScrolling);
|
||||
|
||||
//
|
||||
// The following three methods are used for printing...
|
||||
//
|
||||
void DocumentReadyForPrinting();
|
||||
|
||||
static void PR_CALLBACK HandlePLEvent(PLEvent* aEvent);
|
||||
static void PR_CALLBACK DestroyPLEvent(PLEvent* aEvent);
|
||||
|
||||
protected:
|
||||
// IMPORTANT: The ownership implicit in the following member
|
||||
// variables has been explicitly checked and set using nsCOMPtr
|
||||
@ -536,16 +517,18 @@ static NS_DEFINE_IID(kDeviceContextSpecFactoryCID, NS_DEVICE_CONTEXT_SPEC_FACTOR
|
||||
NS_IMETHODIMP
|
||||
DocumentViewerImpl::Print(void)
|
||||
{
|
||||
nsIContentViewerContainer *containerResult;
|
||||
nsIWebShell *webContainer;
|
||||
nsIDeviceContextSpecFactory *factory = nsnull;
|
||||
nsCOMPtr<nsIContentViewerContainer> containerResult;
|
||||
nsCOMPtr<nsIWebShell> webContainer;
|
||||
nsCOMPtr<nsIDeviceContextSpecFactory> factory;
|
||||
PRInt32 width,height;
|
||||
nsIPref *prefs;
|
||||
PRBool isBusy;
|
||||
nsCOMPtr<nsIPref> prefs;
|
||||
|
||||
nsComponentManager::CreateInstance(kDeviceContextSpecFactoryCID, nsnull,kIDeviceContextSpecFactoryIID,(void **)&factory);
|
||||
nsComponentManager::CreateInstance(kDeviceContextSpecFactoryCID,
|
||||
nsnull,
|
||||
kIDeviceContextSpecFactoryIID,
|
||||
(void **)getter_AddRefs(factory));
|
||||
|
||||
if (nsnull != factory) {
|
||||
if (factory) {
|
||||
|
||||
#ifdef DEBUG_dcone
|
||||
printf("PRINT JOB STARTING\n");
|
||||
@ -564,11 +547,9 @@ PRBool isBusy;
|
||||
NS_RELEASE(devspec);
|
||||
|
||||
// Get the webshell for this documentviewer
|
||||
rv = this->GetContainer(containerResult);
|
||||
containerResult->QueryInterface(kIWebShellIID,(void**)&webContainer);
|
||||
rv = this->GetContainer(*getter_AddRefs(containerResult));
|
||||
webContainer = do_QueryInterface(containerResult);
|
||||
if(webContainer) {
|
||||
webContainer->SetDocLoaderObserver(this);
|
||||
|
||||
// load the document and do the initial reflow on the entire document
|
||||
rv = NS_NewPrintContext(&mPrintPC);
|
||||
if(NS_FAILED(rv)){
|
||||
@ -576,7 +557,7 @@ PRBool isBusy;
|
||||
}
|
||||
|
||||
mPrintDC->GetDeviceSurfaceDimensions(width,height);
|
||||
mPresContext->GetPrefs(&prefs);
|
||||
mPresContext->GetPrefs(getter_AddRefs(prefs));
|
||||
mPrintPC->Init(mPrintDC,prefs);
|
||||
CreateStyleSet(mDocument,&mPrintSS);
|
||||
|
||||
@ -609,6 +590,13 @@ PRBool isBusy;
|
||||
// setup hierarchical relationship in view manager
|
||||
mPrintVM->SetRootView(mPrintView);
|
||||
mPrintPS->Init(mDocument,mPrintPC,mPrintVM,mPrintSS);
|
||||
|
||||
nsCOMPtr<nsIImageGroup> imageGroup;
|
||||
mPrintPC->GetImageGroup(getter_AddRefs(imageGroup));
|
||||
if (imageGroup) {
|
||||
imageGroup->AddObserver(this);
|
||||
}
|
||||
|
||||
mPrintPS->InitialReflow(width,height);
|
||||
|
||||
#ifdef DEBUG_dcone
|
||||
@ -659,19 +647,13 @@ PRBool isBusy;
|
||||
printf(" DeviceDimension w = %d h = %d\n",i1,i2);
|
||||
|
||||
#endif
|
||||
|
||||
// check NETLIB to see if something was kicked off,
|
||||
webContainer->IsBusy(isBusy);
|
||||
|
||||
// if this did not fire any loads, then continue printing
|
||||
if(!isBusy){
|
||||
PrintContent(webContainer,mPrintDC);
|
||||
webContainer->SetDocLoaderObserver(0);
|
||||
mPrintPS->EndObservingDocument();
|
||||
NS_RELEASE(mPrintPS);
|
||||
NS_RELEASE(mPrintVM);
|
||||
NS_RELEASE(mPrintSS);
|
||||
NS_RELEASE(mPrintDC);
|
||||
//
|
||||
// The mIsPrinting flag is set when the ImageGroup observer is
|
||||
// notified that images must be loaded as a result of the
|
||||
// InitialReflow...
|
||||
//
|
||||
if(!mIsPrinting){
|
||||
DocumentReadyForPrinting();
|
||||
#ifdef DEBUG_dcone
|
||||
printf("PRINT JOB ENDING, OBSERVER WAS NOT CALLED\n");
|
||||
#endif
|
||||
@ -680,13 +662,10 @@ PRBool isBusy;
|
||||
#ifdef DEBUG_dcone
|
||||
printf("PRINTING OBSERVER STARTED\n");
|
||||
#endif
|
||||
mIsPrinting = PR_TRUE;
|
||||
mNumURLStarts = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
NS_RELEASE(factory);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
@ -698,9 +677,9 @@ PRBool isBusy;
|
||||
NS_IMETHODIMP
|
||||
DocumentViewerImpl::PrintContent(nsIWebShell *aParent,nsIDeviceContext *aDContext)
|
||||
{
|
||||
nsIStyleSet *ss;
|
||||
nsIPref *prefs;
|
||||
nsIViewManager *vm;
|
||||
nsCOMPtr<nsIStyleSet> ss;
|
||||
nsCOMPtr<nsIPref> prefs;
|
||||
nsCOMPtr<nsIViewManager> vm;
|
||||
PRInt32 width, height;
|
||||
nsIView *view;
|
||||
nsresult rv;
|
||||
@ -715,32 +694,38 @@ nsIContentViewer *viewer;
|
||||
aParent->ChildAt(i,childWebShell);
|
||||
childWebShell->GetContentViewer(&viewer);
|
||||
viewer->PrintContent(childWebShell,aDContext);
|
||||
NS_RELEASE(childWebShell);
|
||||
NS_RELEASE(viewer);
|
||||
}
|
||||
} else {
|
||||
aDContext->BeginDocument();
|
||||
aDContext->GetDeviceSurfaceDimensions(width, height);
|
||||
|
||||
nsIPresContext *cx;
|
||||
rv = NS_NewPrintContext(&cx);
|
||||
nsCOMPtr<nsIPresContext> cx;
|
||||
rv = NS_NewPrintContext(getter_AddRefs(cx));
|
||||
if (NS_FAILED(rv)) {
|
||||
return rv;
|
||||
}
|
||||
mPresContext->GetPrefs(&prefs);
|
||||
|
||||
mPresContext->GetPrefs(getter_AddRefs(prefs));
|
||||
cx->Init(aDContext, prefs);
|
||||
|
||||
nsCompatibility mode;
|
||||
mPresContext->GetCompatibilityMode(&mode);
|
||||
cx->SetCompatibilityMode(mode);
|
||||
|
||||
CreateStyleSet(mDocument, &ss);
|
||||
CreateStyleSet(mDocument, getter_AddRefs(ss));
|
||||
|
||||
nsIPresShell *ps;
|
||||
rv = NS_NewPresShell(&ps);
|
||||
nsCOMPtr<nsIPresShell> ps;
|
||||
rv = NS_NewPresShell(getter_AddRefs(ps));
|
||||
if (NS_FAILED(rv)) {
|
||||
return rv;
|
||||
}
|
||||
|
||||
rv = nsComponentManager::CreateInstance(kViewManagerCID,nsnull,kIViewManagerIID,(void **)&vm);
|
||||
rv = nsComponentManager::CreateInstance(kViewManagerCID,
|
||||
nsnull,
|
||||
kIViewManagerIID,
|
||||
(void **)getter_AddRefs(vm));
|
||||
if (NS_FAILED(rv)) {
|
||||
return rv;
|
||||
}
|
||||
@ -780,66 +765,58 @@ nsIContentViewer *viewer;
|
||||
aDContext->EndDocument();
|
||||
|
||||
ps->EndObservingDocument();
|
||||
NS_RELEASE(ps);
|
||||
NS_RELEASE(vm);
|
||||
NS_RELEASE(ss);
|
||||
NS_IF_RELEASE(prefs); // XXX why is the prefs null??
|
||||
}
|
||||
return NS_OK;
|
||||
|
||||
}
|
||||
|
||||
/** ---------------------------------------------------
|
||||
* See documentation above in the DocumentViewerImpl class definition
|
||||
* @update 07/09/99 dwc
|
||||
*/
|
||||
NS_IMETHODIMP
|
||||
#ifdef NECKO
|
||||
DocumentViewerImpl::OnStartURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsIContentViewer* aViewer)
|
||||
#else
|
||||
DocumentViewerImpl::OnStartURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aContentType,nsIContentViewer* aViewer)
|
||||
#endif
|
||||
void DocumentViewerImpl::Notify(nsIImageGroup *aImageGroup,
|
||||
nsImageGroupNotification aNotificationType)
|
||||
{
|
||||
mNumURLStarts++;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
/** ---------------------------------------------------
|
||||
* See documentation above in the DocumentViewerImpl class definition
|
||||
* @update 07/09/99 dwc
|
||||
*/
|
||||
NS_IMETHODIMP
|
||||
#ifdef NECKO
|
||||
DocumentViewerImpl::OnEndURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus)
|
||||
#else
|
||||
DocumentViewerImpl::OnEndURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, PRInt32 aStatus)
|
||||
#endif // NECKO
|
||||
{
|
||||
nsIContentViewerContainer *containerResult;
|
||||
nsIWebShell *webContainer;
|
||||
//
|
||||
// Image are being loaded... Set the flag to delay printing until
|
||||
// all images are loaded.
|
||||
//
|
||||
if (aNotificationType == nsImageGroupNotification_kStartedLoading) {
|
||||
mIsPrinting = PR_TRUE;
|
||||
}
|
||||
//
|
||||
// All the images have been loaded, so the document is ready to print.
|
||||
//
|
||||
// However, at this point we are unable to release the resources that
|
||||
// were allocated for printing... This is because ImgLib resources will
|
||||
// be deleted and *this* is an ImgLib notification routine. So, fire an
|
||||
// event to do the actual printing.
|
||||
//
|
||||
else if(aNotificationType == nsImageGroupNotification_kFinishedLoading) {
|
||||
nsresult rv;
|
||||
nsCOMPtr<nsIEventQueue> eventQ;
|
||||
|
||||
mNumURLStarts--;
|
||||
// Get the event queue of the current thread...
|
||||
NS_WITH_SERVICE(nsIEventQueueService, eventQService, kEventQueueService, &rv);
|
||||
if (NS_FAILED(rv)) return;
|
||||
|
||||
if((mIsPrinting==PR_TRUE) && (mNumURLStarts == 0)) {
|
||||
rv = this->GetContainer(containerResult);
|
||||
containerResult->QueryInterface(kIWebShellIID,(void**)&webContainer);
|
||||
if(webContainer) {
|
||||
PrintContent(webContainer,mPrintDC);
|
||||
rv = eventQService->GetThreadEventQueue(PR_CurrentThread(),
|
||||
getter_AddRefs(eventQ));
|
||||
if (NS_FAILED(rv)) return;
|
||||
|
||||
// printing is complete, clean up now
|
||||
mIsPrinting = PR_FALSE;
|
||||
webContainer->SetDocLoaderObserver(0);
|
||||
PRStatus status;
|
||||
PLEvent *event = new PLEvent;
|
||||
|
||||
mPrintPS->EndObservingDocument();
|
||||
NS_RELEASE(mPrintPS);
|
||||
NS_RELEASE(mPrintVM);
|
||||
NS_RELEASE(mPrintSS);
|
||||
NS_RELEASE(mPrintDC);
|
||||
if (!event) return;
|
||||
|
||||
//
|
||||
// AddRef this because it is being placed in the PLEvent struct.
|
||||
// It will be Released when DestroyPLEvent is called...
|
||||
//
|
||||
NS_ADDREF_THIS();
|
||||
PL_InitEvent(event,
|
||||
this,
|
||||
(PLHandleEventProc) DocumentViewerImpl::HandlePLEvent,
|
||||
(PLDestroyEventProc) DocumentViewerImpl::DestroyPLEvent);
|
||||
|
||||
status = eventQ->PostEvent(event);
|
||||
}
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
|
||||
@ -994,3 +971,64 @@ DocumentViewerImpl::CreateDocumentViewerUsing(nsIPresContext* aPresContext,
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
|
||||
|
||||
void PR_CALLBACK DocumentViewerImpl::HandlePLEvent(PLEvent* aEvent)
|
||||
{
|
||||
DocumentViewerImpl *viewer;
|
||||
|
||||
viewer = (DocumentViewerImpl*)PL_GetEventOwner(aEvent);
|
||||
|
||||
NS_ASSERTION(viewer, "The event owner is null.");
|
||||
if (viewer) {
|
||||
viewer->DocumentReadyForPrinting();
|
||||
}
|
||||
}
|
||||
|
||||
void PR_CALLBACK DocumentViewerImpl::DestroyPLEvent(PLEvent* aEvent)
|
||||
{
|
||||
DocumentViewerImpl *viewer;
|
||||
|
||||
viewer = (DocumentViewerImpl*)PL_GetEventOwner(aEvent);
|
||||
NS_IF_RELEASE(viewer);
|
||||
|
||||
delete aEvent;
|
||||
}
|
||||
|
||||
|
||||
void DocumentViewerImpl::DocumentReadyForPrinting()
|
||||
{
|
||||
nsresult rv;
|
||||
|
||||
nsCOMPtr<nsIContentViewerContainer> containerResult;
|
||||
nsCOMPtr<nsIWebShell> webContainer;
|
||||
|
||||
rv = this->GetContainer(*getter_AddRefs(containerResult));
|
||||
webContainer = do_QueryInterface(containerResult);
|
||||
if(webContainer) {
|
||||
//
|
||||
// Remove ourselves as an image group observer...
|
||||
//
|
||||
nsCOMPtr<nsIImageGroup> imageGroup;
|
||||
mPrintPC->GetImageGroup(getter_AddRefs(imageGroup));
|
||||
if (imageGroup) {
|
||||
imageGroup->RemoveObserver(this);
|
||||
}
|
||||
//
|
||||
// Send the document to the printer...
|
||||
//
|
||||
PrintContent(webContainer,mPrintDC);
|
||||
|
||||
// printing is complete, clean up now
|
||||
mIsPrinting = PR_FALSE;
|
||||
|
||||
mPrintPS->EndObservingDocument();
|
||||
|
||||
NS_RELEASE(mPrintPS);
|
||||
NS_RELEASE(mPrintVM);
|
||||
NS_RELEASE(mPrintSS);
|
||||
NS_RELEASE(mPrintDC);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -23,7 +23,9 @@
|
||||
#include "nsISupports.h"
|
||||
#include "nsIContentViewerContainer.h"
|
||||
#include "nsIDocumentViewer.h"
|
||||
#include "nsIDocumentLoaderObserver.h"
|
||||
|
||||
#include "nsIImageGroup.h"
|
||||
#include "nsIImageObserver.h"
|
||||
|
||||
#include "nsIDocument.h"
|
||||
#include "nsIPresContext.h"
|
||||
@ -52,6 +54,11 @@
|
||||
#include "nsIWebShell.h"
|
||||
|
||||
|
||||
#include "nsIServiceManager.h"
|
||||
#include "nsIEventQueueService.h"
|
||||
#include "nsIEventQueue.h"
|
||||
|
||||
static NS_DEFINE_CID(kEventQueueService, NS_EVENTQUEUESERVICE_CID);
|
||||
static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
|
||||
|
||||
#ifdef NS_DEBUG
|
||||
@ -60,7 +67,8 @@ static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
|
||||
#undef NOISY_VIEWER
|
||||
#endif
|
||||
|
||||
class DocumentViewerImpl : public nsIDocumentViewer, public nsIDocumentLoaderObserver
|
||||
class DocumentViewerImpl : public nsIDocumentViewer,
|
||||
public nsIImageGroupObserver
|
||||
{
|
||||
public:
|
||||
DocumentViewerImpl();
|
||||
@ -99,44 +107,9 @@ public:
|
||||
NS_IMETHOD CreateDocumentViewerUsing(nsIPresContext* aPresContext,
|
||||
nsIDocumentViewer*& aResult);
|
||||
|
||||
// nsIDocumentLoaderObserver interface
|
||||
NS_IMETHOD OnStartDocumentLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aCommand) {return NS_OK;}
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnEndDocumentLoad(nsIDocumentLoader* loader, nsIURI *aUrl, PRInt32 aStatus,nsIDocumentLoaderObserver * aObserver){return NS_OK;}
|
||||
#else
|
||||
NS_IMETHOD OnEndDocumentLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus,nsIDocumentLoaderObserver * aObserver){return NS_OK;}
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnStartURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aContentType,nsIContentViewer* aViewer);
|
||||
#else
|
||||
NS_IMETHOD OnStartURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsIContentViewer* aViewer);
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnProgressURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, PRUint32 aProgress,PRUint32 aProgressMax){return NS_OK;}
|
||||
#else
|
||||
NS_IMETHOD OnProgressURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, PRUint32 aProgress,PRUint32 aProgressMax){return NS_OK;}
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnStatusURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, nsString& aMsg){return NS_OK;}
|
||||
#else
|
||||
NS_IMETHOD OnStatusURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsString& aMsg){return NS_OK;}
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD OnEndURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, PRInt32 aStatus);
|
||||
#else
|
||||
NS_IMETHOD OnEndURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus);
|
||||
#endif // NECKO
|
||||
|
||||
#ifndef NECKO
|
||||
NS_IMETHOD HandleUnknownContentType(nsIDocumentLoader* loader,nsIURI *aURL,const char *aContentType,const char *aCommand ){return NS_OK;}
|
||||
#else
|
||||
NS_IMETHOD HandleUnknownContentType(nsIDocumentLoader* loader,nsIChannel* channel,const char *aContentType,const char *aCommand ){return NS_OK;}
|
||||
#endif // NECKO
|
||||
// nsIImageGroupObserver interface...
|
||||
virtual void Notify(nsIImageGroup *aImageGroup,
|
||||
nsImageGroupNotification aNotificationType);
|
||||
|
||||
protected:
|
||||
virtual ~DocumentViewerImpl();
|
||||
@ -148,6 +121,14 @@ private:
|
||||
const nsRect& aBounds,
|
||||
nsScrollPreference aScrolling);
|
||||
|
||||
//
|
||||
// The following three methods are used for printing...
|
||||
//
|
||||
void DocumentReadyForPrinting();
|
||||
|
||||
static void PR_CALLBACK HandlePLEvent(PLEvent* aEvent);
|
||||
static void PR_CALLBACK DestroyPLEvent(PLEvent* aEvent);
|
||||
|
||||
protected:
|
||||
// IMPORTANT: The ownership implicit in the following member
|
||||
// variables has been explicitly checked and set using nsCOMPtr
|
||||
@ -536,16 +517,18 @@ static NS_DEFINE_IID(kDeviceContextSpecFactoryCID, NS_DEVICE_CONTEXT_SPEC_FACTOR
|
||||
NS_IMETHODIMP
|
||||
DocumentViewerImpl::Print(void)
|
||||
{
|
||||
nsIContentViewerContainer *containerResult;
|
||||
nsIWebShell *webContainer;
|
||||
nsIDeviceContextSpecFactory *factory = nsnull;
|
||||
nsCOMPtr<nsIContentViewerContainer> containerResult;
|
||||
nsCOMPtr<nsIWebShell> webContainer;
|
||||
nsCOMPtr<nsIDeviceContextSpecFactory> factory;
|
||||
PRInt32 width,height;
|
||||
nsIPref *prefs;
|
||||
PRBool isBusy;
|
||||
nsCOMPtr<nsIPref> prefs;
|
||||
|
||||
nsComponentManager::CreateInstance(kDeviceContextSpecFactoryCID, nsnull,kIDeviceContextSpecFactoryIID,(void **)&factory);
|
||||
nsComponentManager::CreateInstance(kDeviceContextSpecFactoryCID,
|
||||
nsnull,
|
||||
kIDeviceContextSpecFactoryIID,
|
||||
(void **)getter_AddRefs(factory));
|
||||
|
||||
if (nsnull != factory) {
|
||||
if (factory) {
|
||||
|
||||
#ifdef DEBUG_dcone
|
||||
printf("PRINT JOB STARTING\n");
|
||||
@ -564,11 +547,9 @@ PRBool isBusy;
|
||||
NS_RELEASE(devspec);
|
||||
|
||||
// Get the webshell for this documentviewer
|
||||
rv = this->GetContainer(containerResult);
|
||||
containerResult->QueryInterface(kIWebShellIID,(void**)&webContainer);
|
||||
rv = this->GetContainer(*getter_AddRefs(containerResult));
|
||||
webContainer = do_QueryInterface(containerResult);
|
||||
if(webContainer) {
|
||||
webContainer->SetDocLoaderObserver(this);
|
||||
|
||||
// load the document and do the initial reflow on the entire document
|
||||
rv = NS_NewPrintContext(&mPrintPC);
|
||||
if(NS_FAILED(rv)){
|
||||
@ -576,7 +557,7 @@ PRBool isBusy;
|
||||
}
|
||||
|
||||
mPrintDC->GetDeviceSurfaceDimensions(width,height);
|
||||
mPresContext->GetPrefs(&prefs);
|
||||
mPresContext->GetPrefs(getter_AddRefs(prefs));
|
||||
mPrintPC->Init(mPrintDC,prefs);
|
||||
CreateStyleSet(mDocument,&mPrintSS);
|
||||
|
||||
@ -609,6 +590,13 @@ PRBool isBusy;
|
||||
// setup hierarchical relationship in view manager
|
||||
mPrintVM->SetRootView(mPrintView);
|
||||
mPrintPS->Init(mDocument,mPrintPC,mPrintVM,mPrintSS);
|
||||
|
||||
nsCOMPtr<nsIImageGroup> imageGroup;
|
||||
mPrintPC->GetImageGroup(getter_AddRefs(imageGroup));
|
||||
if (imageGroup) {
|
||||
imageGroup->AddObserver(this);
|
||||
}
|
||||
|
||||
mPrintPS->InitialReflow(width,height);
|
||||
|
||||
#ifdef DEBUG_dcone
|
||||
@ -659,19 +647,13 @@ PRBool isBusy;
|
||||
printf(" DeviceDimension w = %d h = %d\n",i1,i2);
|
||||
|
||||
#endif
|
||||
|
||||
// check NETLIB to see if something was kicked off,
|
||||
webContainer->IsBusy(isBusy);
|
||||
|
||||
// if this did not fire any loads, then continue printing
|
||||
if(!isBusy){
|
||||
PrintContent(webContainer,mPrintDC);
|
||||
webContainer->SetDocLoaderObserver(0);
|
||||
mPrintPS->EndObservingDocument();
|
||||
NS_RELEASE(mPrintPS);
|
||||
NS_RELEASE(mPrintVM);
|
||||
NS_RELEASE(mPrintSS);
|
||||
NS_RELEASE(mPrintDC);
|
||||
//
|
||||
// The mIsPrinting flag is set when the ImageGroup observer is
|
||||
// notified that images must be loaded as a result of the
|
||||
// InitialReflow...
|
||||
//
|
||||
if(!mIsPrinting){
|
||||
DocumentReadyForPrinting();
|
||||
#ifdef DEBUG_dcone
|
||||
printf("PRINT JOB ENDING, OBSERVER WAS NOT CALLED\n");
|
||||
#endif
|
||||
@ -680,13 +662,10 @@ PRBool isBusy;
|
||||
#ifdef DEBUG_dcone
|
||||
printf("PRINTING OBSERVER STARTED\n");
|
||||
#endif
|
||||
mIsPrinting = PR_TRUE;
|
||||
mNumURLStarts = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
NS_RELEASE(factory);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
@ -698,9 +677,9 @@ PRBool isBusy;
|
||||
NS_IMETHODIMP
|
||||
DocumentViewerImpl::PrintContent(nsIWebShell *aParent,nsIDeviceContext *aDContext)
|
||||
{
|
||||
nsIStyleSet *ss;
|
||||
nsIPref *prefs;
|
||||
nsIViewManager *vm;
|
||||
nsCOMPtr<nsIStyleSet> ss;
|
||||
nsCOMPtr<nsIPref> prefs;
|
||||
nsCOMPtr<nsIViewManager> vm;
|
||||
PRInt32 width, height;
|
||||
nsIView *view;
|
||||
nsresult rv;
|
||||
@ -715,32 +694,38 @@ nsIContentViewer *viewer;
|
||||
aParent->ChildAt(i,childWebShell);
|
||||
childWebShell->GetContentViewer(&viewer);
|
||||
viewer->PrintContent(childWebShell,aDContext);
|
||||
NS_RELEASE(childWebShell);
|
||||
NS_RELEASE(viewer);
|
||||
}
|
||||
} else {
|
||||
aDContext->BeginDocument();
|
||||
aDContext->GetDeviceSurfaceDimensions(width, height);
|
||||
|
||||
nsIPresContext *cx;
|
||||
rv = NS_NewPrintContext(&cx);
|
||||
nsCOMPtr<nsIPresContext> cx;
|
||||
rv = NS_NewPrintContext(getter_AddRefs(cx));
|
||||
if (NS_FAILED(rv)) {
|
||||
return rv;
|
||||
}
|
||||
mPresContext->GetPrefs(&prefs);
|
||||
|
||||
mPresContext->GetPrefs(getter_AddRefs(prefs));
|
||||
cx->Init(aDContext, prefs);
|
||||
|
||||
nsCompatibility mode;
|
||||
mPresContext->GetCompatibilityMode(&mode);
|
||||
cx->SetCompatibilityMode(mode);
|
||||
|
||||
CreateStyleSet(mDocument, &ss);
|
||||
CreateStyleSet(mDocument, getter_AddRefs(ss));
|
||||
|
||||
nsIPresShell *ps;
|
||||
rv = NS_NewPresShell(&ps);
|
||||
nsCOMPtr<nsIPresShell> ps;
|
||||
rv = NS_NewPresShell(getter_AddRefs(ps));
|
||||
if (NS_FAILED(rv)) {
|
||||
return rv;
|
||||
}
|
||||
|
||||
rv = nsComponentManager::CreateInstance(kViewManagerCID,nsnull,kIViewManagerIID,(void **)&vm);
|
||||
rv = nsComponentManager::CreateInstance(kViewManagerCID,
|
||||
nsnull,
|
||||
kIViewManagerIID,
|
||||
(void **)getter_AddRefs(vm));
|
||||
if (NS_FAILED(rv)) {
|
||||
return rv;
|
||||
}
|
||||
@ -780,66 +765,58 @@ nsIContentViewer *viewer;
|
||||
aDContext->EndDocument();
|
||||
|
||||
ps->EndObservingDocument();
|
||||
NS_RELEASE(ps);
|
||||
NS_RELEASE(vm);
|
||||
NS_RELEASE(ss);
|
||||
NS_IF_RELEASE(prefs); // XXX why is the prefs null??
|
||||
}
|
||||
return NS_OK;
|
||||
|
||||
}
|
||||
|
||||
/** ---------------------------------------------------
|
||||
* See documentation above in the DocumentViewerImpl class definition
|
||||
* @update 07/09/99 dwc
|
||||
*/
|
||||
NS_IMETHODIMP
|
||||
#ifdef NECKO
|
||||
DocumentViewerImpl::OnStartURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsIContentViewer* aViewer)
|
||||
#else
|
||||
DocumentViewerImpl::OnStartURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aContentType,nsIContentViewer* aViewer)
|
||||
#endif
|
||||
void DocumentViewerImpl::Notify(nsIImageGroup *aImageGroup,
|
||||
nsImageGroupNotification aNotificationType)
|
||||
{
|
||||
mNumURLStarts++;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
/** ---------------------------------------------------
|
||||
* See documentation above in the DocumentViewerImpl class definition
|
||||
* @update 07/09/99 dwc
|
||||
*/
|
||||
NS_IMETHODIMP
|
||||
#ifdef NECKO
|
||||
DocumentViewerImpl::OnEndURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsresult aStatus)
|
||||
#else
|
||||
DocumentViewerImpl::OnEndURLLoad(nsIDocumentLoader* loader, nsIURI* aURL, PRInt32 aStatus)
|
||||
#endif // NECKO
|
||||
{
|
||||
nsIContentViewerContainer *containerResult;
|
||||
nsIWebShell *webContainer;
|
||||
//
|
||||
// Image are being loaded... Set the flag to delay printing until
|
||||
// all images are loaded.
|
||||
//
|
||||
if (aNotificationType == nsImageGroupNotification_kStartedLoading) {
|
||||
mIsPrinting = PR_TRUE;
|
||||
}
|
||||
//
|
||||
// All the images have been loaded, so the document is ready to print.
|
||||
//
|
||||
// However, at this point we are unable to release the resources that
|
||||
// were allocated for printing... This is because ImgLib resources will
|
||||
// be deleted and *this* is an ImgLib notification routine. So, fire an
|
||||
// event to do the actual printing.
|
||||
//
|
||||
else if(aNotificationType == nsImageGroupNotification_kFinishedLoading) {
|
||||
nsresult rv;
|
||||
nsCOMPtr<nsIEventQueue> eventQ;
|
||||
|
||||
mNumURLStarts--;
|
||||
// Get the event queue of the current thread...
|
||||
NS_WITH_SERVICE(nsIEventQueueService, eventQService, kEventQueueService, &rv);
|
||||
if (NS_FAILED(rv)) return;
|
||||
|
||||
if((mIsPrinting==PR_TRUE) && (mNumURLStarts == 0)) {
|
||||
rv = this->GetContainer(containerResult);
|
||||
containerResult->QueryInterface(kIWebShellIID,(void**)&webContainer);
|
||||
if(webContainer) {
|
||||
PrintContent(webContainer,mPrintDC);
|
||||
rv = eventQService->GetThreadEventQueue(PR_CurrentThread(),
|
||||
getter_AddRefs(eventQ));
|
||||
if (NS_FAILED(rv)) return;
|
||||
|
||||
// printing is complete, clean up now
|
||||
mIsPrinting = PR_FALSE;
|
||||
webContainer->SetDocLoaderObserver(0);
|
||||
PRStatus status;
|
||||
PLEvent *event = new PLEvent;
|
||||
|
||||
mPrintPS->EndObservingDocument();
|
||||
NS_RELEASE(mPrintPS);
|
||||
NS_RELEASE(mPrintVM);
|
||||
NS_RELEASE(mPrintSS);
|
||||
NS_RELEASE(mPrintDC);
|
||||
if (!event) return;
|
||||
|
||||
//
|
||||
// AddRef this because it is being placed in the PLEvent struct.
|
||||
// It will be Released when DestroyPLEvent is called...
|
||||
//
|
||||
NS_ADDREF_THIS();
|
||||
PL_InitEvent(event,
|
||||
this,
|
||||
(PLHandleEventProc) DocumentViewerImpl::HandlePLEvent,
|
||||
(PLDestroyEventProc) DocumentViewerImpl::DestroyPLEvent);
|
||||
|
||||
status = eventQ->PostEvent(event);
|
||||
}
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
|
||||
@ -994,3 +971,64 @@ DocumentViewerImpl::CreateDocumentViewerUsing(nsIPresContext* aPresContext,
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
|
||||
|
||||
void PR_CALLBACK DocumentViewerImpl::HandlePLEvent(PLEvent* aEvent)
|
||||
{
|
||||
DocumentViewerImpl *viewer;
|
||||
|
||||
viewer = (DocumentViewerImpl*)PL_GetEventOwner(aEvent);
|
||||
|
||||
NS_ASSERTION(viewer, "The event owner is null.");
|
||||
if (viewer) {
|
||||
viewer->DocumentReadyForPrinting();
|
||||
}
|
||||
}
|
||||
|
||||
void PR_CALLBACK DocumentViewerImpl::DestroyPLEvent(PLEvent* aEvent)
|
||||
{
|
||||
DocumentViewerImpl *viewer;
|
||||
|
||||
viewer = (DocumentViewerImpl*)PL_GetEventOwner(aEvent);
|
||||
NS_IF_RELEASE(viewer);
|
||||
|
||||
delete aEvent;
|
||||
}
|
||||
|
||||
|
||||
void DocumentViewerImpl::DocumentReadyForPrinting()
|
||||
{
|
||||
nsresult rv;
|
||||
|
||||
nsCOMPtr<nsIContentViewerContainer> containerResult;
|
||||
nsCOMPtr<nsIWebShell> webContainer;
|
||||
|
||||
rv = this->GetContainer(*getter_AddRefs(containerResult));
|
||||
webContainer = do_QueryInterface(containerResult);
|
||||
if(webContainer) {
|
||||
//
|
||||
// Remove ourselves as an image group observer...
|
||||
//
|
||||
nsCOMPtr<nsIImageGroup> imageGroup;
|
||||
mPrintPC->GetImageGroup(getter_AddRefs(imageGroup));
|
||||
if (imageGroup) {
|
||||
imageGroup->RemoveObserver(this);
|
||||
}
|
||||
//
|
||||
// Send the document to the printer...
|
||||
//
|
||||
PrintContent(webContainer,mPrintDC);
|
||||
|
||||
// printing is complete, clean up now
|
||||
mIsPrinting = PR_FALSE;
|
||||
|
||||
mPrintPS->EndObservingDocument();
|
||||
|
||||
NS_RELEASE(mPrintPS);
|
||||
NS_RELEASE(mPrintVM);
|
||||
NS_RELEASE(mPrintSS);
|
||||
NS_RELEASE(mPrintDC);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user