Quelle nsDeviceContextSpecX.mm
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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"
#import <Cocoa/Cocoa.h>
#include "mozilla/gfx/PrintPromise.h"
#include <CoreFoundation/CoreFoundation.h>
#include <unistd.h>
#ifdef MOZ_ENABLE_SKIA_PDF
# include "mozilla/gfx/PrintTargetSkPDF.h"
#endif
#include "mozilla/gfx/PrintTargetCG.h"
#include "mozilla/Logging.h"
#include "mozilla/Preferences.h"
#include "mozilla/RefPtr.h"
#include "mozilla/glean/PrintingMetrics.h"
#include "AppleUtils.h"
#include "nsCocoaUtils.h"
#include "nsCRT.h"
#include "nsCUPSShim.h"
#include "nsDirectoryServiceDefs.h"
#include "nsILocalFileMac.h"
#include "nsIOutputStream.h"
#include "nsPaper.h"
#include "nsPrinterListCUPS.h"
#include "nsPrintSettingsX.h"
#include "nsQueryObject.h"
#include "prenv.h"
// This must be the last include:
#include "nsObjCExceptions.h"
using namespace mozilla;
using mozilla::gfx::IntSize;
using mozilla::gfx::PrintEndDocumentPromise;
using mozilla::gfx::PrintTarget;
using mozilla::gfx::PrintTargetCG;
#ifdef MOZ_ENABLE_SKIA_PDF
using mozilla::gfx::PrintTargetSkPDF;
#endif
//----------------------------------------------------------------------
// nsDeviceContentSpecX
nsDeviceContextSpecX::nsDeviceContextSpecX() = default;
nsDeviceContextSpecX::~nsDeviceContextSpecX() {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
if (mPrintSession) {
::PMRelease(mPrintSession);
}
if (mPageFormat) {
::PMRelease(mPageFormat);
}
if (mPMPrintSettings) {
::PMRelease(mPMPrintSettings);
}
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
NS_IMPL_ISUPPORTS(nsDeviceContextSpecX, nsIDeviceContextSpec)
NS_IMETHODIMP nsDeviceContextSpecX::Init(nsIPrintSettings* aPS,
bool aIsPrintPreview) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
RefPtr<nsPrintSettingsX> settings(do_QueryObject(aPS));
if (!settings) {
return NS_ERROR_NO_INTERFACE;
}
// Note: unlike other platforms, we don't set our base class's mPrintSettings
// here since we don't need it currently (we do set mPMPrintSettings below).
NSPrintInfo* printInfo = settings->CreateOrCopyPrintInfo();
if (!printInfo) {
return NS_ERROR_FAILURE;
}
if (aPS->GetOutputDestination() ==
nsIPrintSettings::kOutputDestinationStream) {
aPS->GetOutputStream(getter_AddRefs(mOutputStream));
if (!mOutputStream) {
return NS_ERROR_FAILURE;
}
}
mPrintSession = static_cast<PMPrintSession>([printInfo PMPrintSession]);
mPageFormat = static_cast<PMPageFormat>([printInfo PMPageFormat]);
mPMPrintSettings = static_cast<PMPrintSettings>([printInfo PMPrintSettings]);
MOZ_ASSERT(mPrintSession && mPageFormat && mPMPrintSettings);
::PMRetain(mPrintSession);
::PMRetain(mPageFormat);
::PMRetain(mPMPrintSettings);
[printInfo release];
#ifdef MOZ_ENABLE_SKIA_PDF
nsAutoString printViaPdf;
mozilla::Preferences::GetString("print.print_via_pdf_encoder", printViaPdf);
if (printViaPdf.EqualsLiteral("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, mPMPrintSettings,
&destination);
if (status == noErr) {
if (destination == kPMDestinationPrinter ||
destination == kPMDestinationPreview) {
mPrintViaSkPDF = true;
} else if (destination == kPMDestinationFile) {
AutoCFRelease<CFURLRef> destURL(nullptr);
status = ::PMSessionCopyDestinationLocation(
mPrintSession, mPMPrintSettings, destURL.receive());
if (status == noErr) {
AutoCFRelease<CFStringRef> destPathRef =
CFURLCopyFileSystemPath(destURL, kCFURLPOSIXPathStyle);
NSString* destPath = (NSString*)CFStringRef(destPathRef);
NSString* destPathExt = [destPath pathExtension];
if ([destPathExt isEqualToString:@"pdf"]) {
mPrintViaSkPDF = true;
}
}
}
}
}
#endif
int16_t outputFormat = aPS->GetOutputFormat();
if (outputFormat == nsIPrintSettings::kOutputFormatPDF) {
// We don't actually currently support/use kOutputFormatPDF on mac, but
// this is for completeness in case we add that (we probably need to in
// order to support adding links into saved PDFs, for example).
glean::printing::target_type
.EnumGet(glean::printing::TargetTypeLabel::ePdfFile)
.Add(1);
} else {
PMDestinationType destination;
OSStatus status = ::PMSessionGetDestinationType(
mPrintSession, mPMPrintSettings, &destination);
if (status == noErr && (destination == kPMDestinationFile ||
destination == kPMDestinationPreview ||
destination == kPMDestinationProcessPDF)) {
glean::printing::target_type
.EnumGet(glean::printing::TargetTypeLabel::ePdfFile)
.Add(1);
} else {
glean::printing::target_type
.EnumGet(glean::printing::TargetTypeLabel::eUnknown)
.Add(1);
}
}
return NS_OK;
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
NS_IMETHODIMP nsDeviceContextSpecX::BeginDocument(
const nsAString& aTitle, const nsAString& aPrintToFileName,
int32_t aStartPage, int32_t aEndPage) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
return NS_OK;
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
RefPtr<PrintEndDocumentPromise> nsDeviceContextSpecX::EndDocument() {
return nsIDeviceContextSpec::EndDocumentPromiseFromResult(DoEndDocument(),
__func__);
}
nsresult nsDeviceContextSpecX::DoEndDocument() {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
#ifdef MOZ_ENABLE_SKIA_PDF
if (mPrintViaSkPDF) {
OSStatus status = noErr;
nsCOMPtr<nsILocalFileMac> tmpPDFFile = do_QueryInterface(mTempFile);
if (!tmpPDFFile) {
return NS_ERROR_FAILURE;
}
AutoCFRelease<CFURLRef> pdfURL(nullptr);
// Note that the caller is responsible to release pdfURL according to
// nsILocalFileMac.idl, even though we didn't follow the Core Foundation
// naming conventions here (the method should've been called CopyCFURL).
nsresult rv = tmpPDFFile->GetCFURL(pdfURL.receive());
NS_ENSURE_SUCCESS(rv, rv);
PMDestinationType destination;
status = ::PMSessionGetDestinationType(mPrintSession, mPMPrintSettings,
&destination);
switch (destination) {
case kPMDestinationPrinter: {
PMPrinter currentPrinter = NULL;
status = ::PMSessionGetCurrentPrinter(mPrintSession, ¤tPrinter);
if (status != noErr) {
return NS_ERROR_FAILURE;
}
CFStringRef mimeType = CFSTR("application/pdf");
status = ::PMPrinterPrintWithFile(currentPrinter, mPMPrintSettings,
mPageFormat, mimeType, pdfURL);
break;
}
case kPMDestinationPreview: {
// XXXjwatt Or should we use CocoaFileUtils::RevealFileInFinder(pdfURL);
AutoCFRelease<CFStringRef> pdfPath =
CFURLCopyFileSystemPath(pdfURL, kCFURLPOSIXPathStyle);
NSString* path = (NSString*)CFStringRef(pdfPath);
NSWorkspace* ws = [NSWorkspace sharedWorkspace];
[ws openFile:path];
break;
}
case kPMDestinationFile: {
AutoCFRelease<CFURLRef> destURL(nullptr);
status = ::PMSessionCopyDestinationLocation(
mPrintSession, mPMPrintSettings, destURL.receive());
if (status == noErr) {
AutoCFRelease<CFStringRef> sourcePathRef =
CFURLCopyFileSystemPath(pdfURL, kCFURLPOSIXPathStyle);
NSString* sourcePath = (NSString*)CFStringRef(sourcePathRef);
# ifdef DEBUG
AutoCFRelease<CFStringRef> destPathRef =
CFURLCopyFileSystemPath(destURL, kCFURLPOSIXPathStyle);
NSString* destPath = (NSString*)CFStringRef(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*>(CFURLRef(pdfURL));
NSURL* dest = static_cast<NSURL*>(CFURLRef(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_BLOCK_RETURN(NS_ERROR_FAILURE);
}
void nsDeviceContextSpecX::GetPaperRect(double* aTop, double* aLeft,
double* aBottom, double* aRight) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
PMRect paperRect;
::PMGetAdjustedPaperRect(mPageFormat, &paperRect);
*aTop = paperRect.top;
*aLeft = paperRect.left;
*aBottom = paperRect.bottom;
*aRight = paperRect.right;
NS_OBJC_END_TRY_IGNORE_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::Ceil(width, height);
#ifdef MOZ_ENABLE_SKIA_PDF
if (mPrintViaSkPDF) {
// TODO: Add support for stream printing via SkPDF if we enable that again.
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(std::move(stream), size);
}
#endif
return PrintTargetCG::CreateOrNull(mOutputStream, mPrintSession, mPageFormat,
mPMPrintSettings, size);
}
[ Dauer der Verarbeitung: 0.19 Sekunden
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2026-03-28
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