Implemented copy number of pages for printers that do not support page copy command. Check if PrintToFile dialog was canceled and return without an error.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7072 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/print/libprint/PrinterCap.h

@@ -88,7 +88,10 @@ public:
 		kOrientation,
 		kPrintStyle,
 		kBindingLocation,
-		kColor
+		kColor,
+		// Static boolean settings follow.
+		// For them isSupport() has to be implemented only.
+		kCopyCommand       // supports printer page copy command?
 	};
 
 	virtual int countCap(CapID) const = 0;

headers/private/print/libprint/Transport.h

@@ -37,6 +37,7 @@ public:
 	~Transport();
 	void write(const void *buffer, size_t size) throw(TransportException);
 	bool check_abort() const;
+	bool is_print_to_file_canceled() const;
 	const string &last_error() const;
 
 protected:

src/add-ons/print/drivers/shared/libprint/GraphicsDriver.cpp

@@ -421,31 +421,45 @@ bool GraphicsDriver::printDocument(SpoolData *spool_data)
 	PageData *page_data;
 	int page_index;
 	int nup;
+	int copy;
+	int copies;
 
-	more = false;
+	more = true;
 	success = true;
 	page_index = 0;
-
+	if (fPrinterCap->isSupport(PrinterCap::kCopyCommand)) {
+		copies = 1;
+	} else {
+		copies = fRealJobData->getCopies();
+	}
 	if (spool_data->startEnum()) {
+		nup = fOrgJobData->getNup();
 		do {
 			DBGMSG(("page index = %d\n", page_index));
-			if (!(success = startPage(page_index)))
-				break;
-			nup = fOrgJobData->getNup();
+
 			PageDataList pages;
 			do {
 				more = spool_data->enumObject(&page_data);
 				pages.push_back(page_data);
 			} while (more && --nup);
-			fView->Window()->Lock();
-			success = printPage(&pages);
-			fView->Window()->Unlock();
-			if (!success)
-				break;
-			if (!(success = endPage(page_index)))
-				break;
+
+			// print each physical page "copies" of times
+			for (copy = 0; success && copy < copies; copy ++) {
+				success = startPage(page_index);
+				if (!success)
+					break;
+			
+				fView->Window()->Lock();
+				success = printPage(&pages);
+				fView->Window()->Unlock();
+
+				if (success) {
+					success = endPage(page_index);
+				}
+			}
+				
 			page_index++;
-		} while (more);
+		} while (success && more);
 	}
 
 #ifndef USE_PREVIEW_FOR_DEBUG
@@ -454,12 +468,12 @@ bool GraphicsDriver::printDocument(SpoolData *spool_data)
 		&& (fOrgJobData->getPrintStyle() != JobData::kSimplex)
 		&& (((page_index + fOrgJobData->getNup() - 1) / fOrgJobData->getNup()) % 2))
 	{
-		success = startPage(page_index);
-		if (success) {
-			success = printPage(NULL);
-			if (success) {
-				success = endPage(page_index);
-			}
+		// print each physical page "copies" of times
+		for (copy = 0; success && copy < copies; copy ++) {
+			success = 
+				startPage(page_index) &&
+				printPage(NULL) &&
+				endPage(page_index);
 		}
 	}
 #endif
@@ -487,7 +501,7 @@ bool GraphicsDriver::printJob(BFile *spool_file)
 
 	if (fTransport->check_abort()) {
 		success = false;
-	} else {
+	} else if (!fTransport->is_print_to_file_canceled()) {
 		setupData(spool_file, pfh.page_count);
 		setupBitmap();
 		SpoolData spool_data(spool_file, pfh.page_count, fOrgJobData->getNup(), fOrgJobData->getReverse());

src/add-ons/print/drivers/shared/libprint/Transport.cpp

@@ -7,6 +7,7 @@
 #include <Message.h>
 #include <Directory.h>
 #include <DataIO.h>
+#include <File.h>
 #include <Path.h>
 #include <image.h>
 
@@ -93,6 +94,14 @@ const string &Transport::last_error() const
 	return fLastErrorString;
 }
 
+bool Transport::is_print_to_file_canceled() const
+{
+	// The BeOS "Print To File" transport add-on returns a non-NULL BDataIO *
+	// even after user filepanel cancellation!
+	BFile* file = dynamic_cast<BFile*>(fDataStream);
+	return file != NULL && file->InitCheck() != B_OK;
+}
+
 void Transport::set_last_error(const char *e)
 {
 	fLastErrorString = e;