gecko/widget/qt/nsDeviceContextSpecQt.cpp

275 lines
7.5 KiB
C++

/* -*- 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 <QTemporaryFile>
#include <QPrinterInfo>
#define SET_PRINTER_FEATURES_VIA_PREFS 1
#define PRINTERFEATURES_PREF "print.tmp.printerfeatures"
#include "prlog.h"
#include "plstr.h"
#include "nsDeviceContextSpecQt.h"
#include "prenv.h" /* for PR_GetEnv */
#include "nsReadableUtils.h"
#include "nsStringEnumerator.h"
#include "nsIServiceManager.h"
#include "nsPrintSettingsQt.h"
#include "nsIFileStreams.h"
#include "nsIFile.h"
#include "nsTArray.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "gfxPDFSurface.h"
#ifdef PR_LOGGING
static PRLogModuleInfo* DeviceContextSpecQtLM =
PR_NewLogModule("DeviceContextSpecQt");
#endif /* PR_LOGGING */
/* Macro to make lines shorter */
#define DO_PR_DEBUG_LOG(x) PR_LOG(DeviceContextSpecQtLM, PR_LOG_DEBUG, x)
nsDeviceContextSpecQt::nsDeviceContextSpecQt()
{
DO_PR_DEBUG_LOG(("nsDeviceContextSpecQt::nsDeviceContextSpecQt()\n"));
}
nsDeviceContextSpecQt::~nsDeviceContextSpecQt()
{
DO_PR_DEBUG_LOG(("nsDeviceContextSpecQt::~nsDeviceContextSpecQt()\n"));
}
NS_IMPL_ISUPPORTS(nsDeviceContextSpecQt,
nsIDeviceContextSpec)
NS_IMETHODIMP nsDeviceContextSpecQt::GetSurfaceForPrinter(
gfxASurface** aSurface)
{
NS_ENSURE_ARG_POINTER(aSurface);
*aSurface = nullptr;
double width, height;
mPrintSettings->GetEffectivePageSize(&width, &height);
// If we're in landscape mode, we'll be rotating the output --
// need to swap width & height.
int32_t orientation;
mPrintSettings->GetOrientation(&orientation);
if (nsIPrintSettings::kLandscapeOrientation == orientation) {
double tmp = width;
width = height;
height = tmp;
}
// convert twips to points
width /= TWIPS_PER_POINT_FLOAT;
height /= TWIPS_PER_POINT_FLOAT;
DO_PR_DEBUG_LOG(("\"%s\", %f, %f\n", mPath, width, height));
QTemporaryFile file;
if(!file.open()) {
return NS_ERROR_GFX_PRINTER_COULD_NOT_OPEN_FILE;
}
file.setAutoRemove(false);
nsresult rv = NS_NewNativeLocalFile(
nsDependentCString(file.fileName().toUtf8().constData()),
false,
getter_AddRefs(mSpoolFile));
if (NS_FAILED(rv)) {
file.remove();
return NS_ERROR_GFX_PRINTER_COULD_NOT_OPEN_FILE;
}
mSpoolName = file.fileName().toUtf8().constData();
mSpoolFile->SetPermissions(0600);
nsCOMPtr<nsIFileOutputStream> stream =
do_CreateInstance("@mozilla.org/network/file-output-stream;1");
rv = stream->Init(mSpoolFile, -1, -1, 0);
if (NS_FAILED(rv))
return rv;
int16_t format;
mPrintSettings->GetOutputFormat(&format);
nsRefPtr<gfxASurface> surface;
gfxSize surfaceSize(width, height);
if (format == nsIPrintSettings::kOutputFormatNative) {
if (mIsPPreview) {
// There is nothing to detect on Print Preview, use PS.
// TODO: implement for Qt?
//format = nsIPrintSettings::kOutputFormatPS;
return NS_ERROR_NOT_IMPLEMENTED;
}
format = nsIPrintSettings::kOutputFormatPDF;
}
if (format == nsIPrintSettings::kOutputFormatPDF) {
surface = new gfxPDFSurface(stream, surfaceSize);
} else {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_ABORT_IF_FALSE(surface, "valid address expected");
surface.swap(*aSurface);
return NS_OK;
}
NS_IMETHODIMP nsDeviceContextSpecQt::Init(nsIWidget* aWidget,
nsIPrintSettings* aPS,
bool aIsPrintPreview)
{
DO_PR_DEBUG_LOG(("nsDeviceContextSpecQt::Init(aPS=%p)\n", aPS));
mPrintSettings = aPS;
mIsPPreview = aIsPrintPreview;
// This is only set by embedders
bool toFile;
aPS->GetPrintToFile(&toFile);
mToPrinter = !toFile && !aIsPrintPreview;
nsCOMPtr<nsPrintSettingsQt> printSettingsQt(do_QueryInterface(aPS));
if (!printSettingsQt)
return NS_ERROR_NO_INTERFACE;
return NS_OK;
}
NS_IMETHODIMP nsDeviceContextSpecQt::GetPath(const char** aPath)
{
*aPath = mPath;
return NS_OK;
}
NS_IMETHODIMP nsDeviceContextSpecQt::BeginDocument(
const nsAString& aTitle,
char16_t* aPrintToFileName,
int32_t aStartPage,
int32_t aEndPage)
{
if (mToPrinter) {
return NS_ERROR_NOT_IMPLEMENTED;
}
return NS_OK;
}
NS_IMETHODIMP nsDeviceContextSpecQt::EndDocument()
{
if (mToPrinter) {
return NS_ERROR_NOT_IMPLEMENTED;
}
// Handle print-to-file ourselves for the benefit of embedders
nsXPIDLString targetPath;
nsCOMPtr<nsIFile> destFile;
mPrintSettings->GetToFileName(getter_Copies(targetPath));
nsresult rv = NS_NewNativeLocalFile(NS_ConvertUTF16toUTF8(targetPath),
false, getter_AddRefs(destFile));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoString destLeafName;
rv = destFile->GetLeafName(destLeafName);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIFile> destDir;
rv = destFile->GetParent(getter_AddRefs(destDir));
NS_ENSURE_SUCCESS(rv, rv);
rv = mSpoolFile->MoveTo(destDir, destLeafName);
NS_ENSURE_SUCCESS(rv, rv);
// This is the standard way to get the UNIX umask. Ugh.
mode_t mask = umask(0);
umask(mask);
// If you're not familiar with umasks, they contain the bits of what NOT
// to set in the permissions
// (thats because files and directories have different numbers of bits
// for their permissions)
destFile->SetPermissions(0666 & ~(mask));
return NS_OK;
}
// Printer Enumerator
nsPrinterEnumeratorQt::nsPrinterEnumeratorQt()
{
}
nsPrinterEnumeratorQt::~nsPrinterEnumeratorQt()
{
}
NS_IMPL_ISUPPORTS(nsPrinterEnumeratorQt, nsIPrinterEnumerator)
NS_IMETHODIMP nsPrinterEnumeratorQt::GetPrinterNameList(
nsIStringEnumerator** aPrinterNameList)
{
NS_ENSURE_ARG_POINTER(aPrinterNameList);
*aPrinterNameList = nullptr;
QList<QPrinterInfo> qprinters = QPrinterInfo::availablePrinters();
if (qprinters.size() == 0)
return NS_ERROR_NOT_AVAILABLE;
nsTArray<nsString>* printers =
new nsTArray<nsString>(qprinters.size());
for (int32_t i = 0; i < qprinters.size(); ++i) {
printers->AppendElement(
nsDependentString(
(const char16_t*)qprinters[i].printerName().constData()));
}
return NS_NewAdoptingStringEnumerator(aPrinterNameList, printers);
}
NS_IMETHODIMP nsPrinterEnumeratorQt::GetDefaultPrinterName(
char16_t** aDefaultPrinterName)
{
DO_PR_DEBUG_LOG(("nsPrinterEnumeratorQt::GetDefaultPrinterName()\n"));
NS_ENSURE_ARG_POINTER(aDefaultPrinterName);
QString defprinter = QPrinterInfo::defaultPrinter().printerName();
*aDefaultPrinterName = ToNewUnicode(nsDependentString(
(const char16_t*)defprinter.constData()));
DO_PR_DEBUG_LOG(("GetDefaultPrinterName(): default printer='%s'.\n",
NS_ConvertUTF16toUTF8(*aDefaultPrinterName).get()));
return NS_OK;
}
NS_IMETHODIMP nsPrinterEnumeratorQt::InitPrintSettingsFromPrinter(
const char16_t* aPrinterName,
nsIPrintSettings* aPrintSettings)
{
DO_PR_DEBUG_LOG(("nsPrinterEnumeratorQt::InitPrintSettingsFromPrinter()"));
// XXX Leave NS_OK for now
// Probably should use NS_ERROR_NOT_IMPLEMENTED
return NS_OK;
}
NS_IMETHODIMP nsPrinterEnumeratorQt::DisplayPropertiesDlg(
const char16_t* aPrinter,
nsIPrintSettings* aPrintSettings)
{
return NS_ERROR_NOT_IMPLEMENTED;
}