gecko-dev/widget/cocoa/nsDeviceContextSpecX.mm

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsDeviceContextSpecX.h"
#include "mozilla/gfx/PrintTargetCG.h"
#ifdef MOZ_ENABLE_SKIA_PDF
#include "mozilla/gfx/PrintTargetSkPDF.h"
#endif
#include "mozilla/Preferences.h"
#include "mozilla/RefPtr.h"
#include "nsCRT.h"
#include "nsDirectoryServiceDefs.h"
#include "nsILocalFileMac.h"
#include <unistd.h>
#include "nsQueryObject.h"
#include "nsIServiceManager.h"
#include "nsPrintSettingsX.h"
// This must be the last include:
#include "nsObjCExceptions.h"
using namespace mozilla;
using mozilla::gfx::IntSize;
using mozilla::gfx::PrintTarget;
using mozilla::gfx::PrintTargetCG;
#ifdef MOZ_ENABLE_SKIA_PDF
using mozilla::gfx::PrintTargetSkPDF;
#endif
using mozilla::gfx::SurfaceFormat;
nsDeviceContextSpecX::nsDeviceContextSpecX()
: mPrintSession(NULL)
, mPageFormat(kPMNoPageFormat)
, mPrintSettings(kPMNoPrintSettings)
#ifdef MOZ_ENABLE_SKIA_PDF
, mPrintViaSkPDF(false)
#endif
{
}
nsDeviceContextSpecX::~nsDeviceContextSpecX()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mPrintSession)
::PMRelease(mPrintSession);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
NS_IMPL_ISUPPORTS(nsDeviceContextSpecX, nsIDeviceContextSpec)
NS_IMETHODIMP nsDeviceContextSpecX::Init(nsIWidget *aWidget,
nsIPrintSettings* aPS,
bool aIsPrintPreview)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
RefPtr<nsPrintSettingsX> settings(do_QueryObject(aPS));
if (!settings)
return NS_ERROR_NO_INTERFACE;
bool toFile;
settings->GetPrintToFile(&toFile);
bool toPrinter = !toFile && !aIsPrintPreview;
if (!toPrinter) {
double width, height;
settings->GetEffectivePageSize(&width, &height);
width /= TWIPS_PER_POINT_FLOAT;
height /= TWIPS_PER_POINT_FLOAT;
settings->SetCocoaPaperSize(width, height);
}
mPrintSession = settings->GetPMPrintSession();
::PMRetain(mPrintSession);
mPageFormat = settings->GetPMPageFormat();
mPrintSettings = settings->GetPMPrintSettings();
#ifdef MOZ_ENABLE_SKIA_PDF
const nsAdoptingString& printViaPdf =
mozilla::Preferences::GetString("print.print_via_pdf_encoder");
if (printViaPdf == NS_LITERAL_STRING("skia-pdf")) {
// Annoyingly, PMPrinterPrintWithFile does not pay attention to the
// kPMDestination* value set in the PMPrintSession; it always sends the PDF
// to the specified printer. This means that if we create the PDF using
// SkPDF then we need to manually handle user actions like "Open PDF in
// Preview" and "Save as PDF...".
// TODO: Currently we do not support using SkPDF for kPMDestinationFax or
// kPMDestinationProcessPDF ("Add PDF to iBooks, etc.), and we only support
// it for kPMDestinationFile if the destination file is a PDF.
// XXX Could PMWorkflowSubmitPDFWithSettings/PMPrinterPrintWithProvider help?
OSStatus status = noErr;
PMDestinationType destination;
status = ::PMSessionGetDestinationType(mPrintSession, mPrintSettings,
&destination);
if (status == noErr) {
if (destination == kPMDestinationPrinter ||
destination == kPMDestinationPreview){
mPrintViaSkPDF = true;
} else if (destination == kPMDestinationFile) {
CFURLRef destURL;
status = ::PMSessionCopyDestinationLocation(mPrintSession,
mPrintSettings, &destURL);
if (status == noErr) {
CFStringRef destPathRef =
CFURLCopyFileSystemPath(destURL, kCFURLPOSIXPathStyle);
NSString* destPath = (NSString*) destPathRef;
NSString* destPathExt = [destPath pathExtension];
if ([destPathExt isEqualToString: @"pdf"]) {
mPrintViaSkPDF = true;
}
}
}
}
}
#endif
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsDeviceContextSpecX::BeginDocument(const nsAString& aTitle,
const nsAString& aPrintToFileName,
int32_t aStartPage,
int32_t aEndPage)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (!aTitle.IsEmpty()) {
CFStringRef cfString =
::CFStringCreateWithCharacters(NULL, reinterpret_cast<const UniChar*>(aTitle.BeginReading()),
aTitle.Length());
if (cfString) {
::PMPrintSettingsSetJobName(mPrintSettings, cfString);
::CFRelease(cfString);
}
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsDeviceContextSpecX::EndDocument()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
#ifdef MOZ_ENABLE_SKIA_PDF
if (mPrintViaSkPDF) {
OSStatus status = noErr;
nsCOMPtr<nsILocalFileMac> tmpPDFFile = do_QueryInterface(mTempFile);
if (!tmpPDFFile) {
return NS_ERROR_FAILURE;
}
CFURLRef pdfURL;
nsresult rv = tmpPDFFile->GetCFURL(&pdfURL);
NS_ENSURE_SUCCESS(rv, rv);
PMDestinationType destination;
status = ::PMSessionGetDestinationType(mPrintSession, mPrintSettings,
&destination);
switch (destination) {
case kPMDestinationPrinter: {
PMPrinter currentPrinter = NULL;
status = ::PMSessionGetCurrentPrinter(mPrintSession, &currentPrinter);
if (status != noErr) {
return NS_ERROR_FAILURE;
}
CFStringRef mimeType = CFSTR("application/pdf");
status = ::PMPrinterPrintWithFile(currentPrinter, mPrintSettings,
mPageFormat, mimeType, pdfURL);
break;
}
case kPMDestinationPreview: {
// XXXjwatt Or should we use CocoaFileUtils::RevealFileInFinder(pdfURL);
CFStringRef pdfPath = CFURLCopyFileSystemPath(pdfURL,
kCFURLPOSIXPathStyle);
NSString* path = (NSString*) pdfPath;
NSWorkspace* ws = [NSWorkspace sharedWorkspace];
[ws openFile: path];
break;
}
case kPMDestinationFile: {
CFURLRef destURL;
status = ::PMSessionCopyDestinationLocation(mPrintSession,
mPrintSettings, &destURL);
if (status == noErr) {
CFStringRef sourcePathRef =
CFURLCopyFileSystemPath(pdfURL, kCFURLPOSIXPathStyle);
NSString* sourcePath = (NSString*) sourcePathRef;
#ifdef DEBUG
CFStringRef destPathRef =
CFURLCopyFileSystemPath(destURL, kCFURLPOSIXPathStyle);
NSString* destPath = (NSString*) destPathRef;
NSString* destPathExt = [destPath pathExtension];
MOZ_ASSERT([destPathExt isEqualToString: @"pdf"],
"nsDeviceContextSpecX::Init only allows '.pdf' for now");
// We could use /usr/sbin/cupsfilter to convert the PDF to PS, but
// currently we don't.
#endif
NSFileManager* fileManager = [NSFileManager defaultManager];
if ([fileManager fileExistsAtPath:sourcePath]) {
NSURL* src = static_cast<NSURL*>(pdfURL);
NSURL* dest = static_cast<NSURL*>(destURL);
bool ok = [fileManager replaceItemAtURL:dest withItemAtURL:src
backupItemName:nil
options:NSFileManagerItemReplacementUsingNewMetadataOnly
resultingItemURL:nil error:nil];
if (!ok) {
return NS_ERROR_FAILURE;
}
}
}
break;
}
default:
MOZ_ASSERT_UNREACHABLE("nsDeviceContextSpecX::Init doesn't set "
"mPrintViaSkPDF for other values");
}
return (status == noErr) ? NS_OK : NS_ERROR_FAILURE;
}
#endif
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
void nsDeviceContextSpecX::GetPaperRect(double* aTop, double* aLeft, double* aBottom, double* aRight)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
PMRect paperRect;
::PMGetAdjustedPaperRect(mPageFormat, &paperRect);
*aTop = paperRect.top;
*aLeft = paperRect.left;
*aBottom = paperRect.bottom;
*aRight = paperRect.right;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
already_AddRefed<PrintTarget> nsDeviceContextSpecX::MakePrintTarget()
{
double top, left, bottom, right;
GetPaperRect(&top, &left, &bottom, &right);
const double width = right - left;
const double height = bottom - top;
IntSize size = IntSize::Floor(width, height);
#ifdef MOZ_ENABLE_SKIA_PDF
if (mPrintViaSkPDF) {
nsresult rv =
NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(mTempFile));
NS_ENSURE_SUCCESS(rv, nullptr);
nsAutoCString tempPath("tmp-printing.pdf");
mTempFile->AppendNative(tempPath);
rv = mTempFile->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 0600);
NS_ENSURE_SUCCESS(rv, nullptr);
mTempFile->GetNativePath(tempPath);
auto stream = MakeUnique<SkFILEWStream>(tempPath.get());
return PrintTargetSkPDF::CreateOrNull(Move(stream), size);
}
#endif
return PrintTargetCG::CreateOrNull(mPrintSession, mPageFormat,
mPrintSettings, size);
}