The Tor Browser: widget/qt/nsPrintSettingsQt.cpp@97036ab72558 (annotated)

widget/qt/nsPrintSettingsQt.cpp@97036ab72558 (annotated)

widget/qt/nsPrintSettingsQt.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 06 Jan 2015 21:39:09 +0100
branch: TOR_BUG_9701
changeset 8: 97036ab72558
permissions: -rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 /* -*- 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 <QPrinter>
 #include <QDebug>
 #include "nsPrintSettingsQt.h"
 #include "nsIFile.h"
 #include "nsCRTGlue.h"
 NS_IMPL_ISUPPORTS_INHERITED(nsPrintSettingsQt,
                             nsPrintSettings,
                             nsPrintSettingsQt)
 nsPrintSettingsQt::nsPrintSettingsQt():
     mQPrinter(new QPrinter())
 {
 }
 nsPrintSettingsQt::~nsPrintSettingsQt()
 {
     //smart pointer should take care of cleanup
 }
 nsPrintSettingsQt::nsPrintSettingsQt(const nsPrintSettingsQt& aPS):
     mQPrinter(aPS.mQPrinter)
 {
 }
 nsPrintSettingsQt&
 nsPrintSettingsQt::operator=(const nsPrintSettingsQt& rhs)
 {
     if (this == &rhs) {
         return *this;
     }
     nsPrintSettings::operator=(rhs);
     mQPrinter = rhs.mQPrinter;
     return *this;
 }
 nsresult
 nsPrintSettingsQt::_Clone(nsIPrintSettings** _retval)
 {
     NS_ENSURE_ARG_POINTER(_retval);
     nsPrintSettingsQt* newSettings = new nsPrintSettingsQt(*this);
     *_retval = newSettings;
     NS_ADDREF(*_retval);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::_Assign(nsIPrintSettings* aPS)
 {
     nsPrintSettingsQt* printSettingsQt = static_cast<nsPrintSettingsQt*>(aPS);
     if (!printSettingsQt)
         return NS_ERROR_UNEXPECTED;
     *this = *printSettingsQt;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetPrintRange(int16_t* aPrintRange)
 {
     NS_ENSURE_ARG_POINTER(aPrintRange);
     QPrinter::PrintRange range = mQPrinter->printRange();
     if (range == QPrinter::PageRange) {
         *aPrintRange = kRangeSpecifiedPageRange;
     } else if (range == QPrinter::Selection) {
         *aPrintRange = kRangeSelection;
     } else {
         *aPrintRange = kRangeAllPages;
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetPrintRange(int16_t aPrintRange)
 {
     if (aPrintRange == kRangeSelection) {
         mQPrinter->setPrintRange(QPrinter::Selection);
     } else if (aPrintRange == kRangeSpecifiedPageRange) {
         mQPrinter->setPrintRange(QPrinter::PageRange);
     } else {
         mQPrinter->setPrintRange(QPrinter::AllPages);
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetStartPageRange(int32_t* aStartPageRange)
 {
     NS_ENSURE_ARG_POINTER(aStartPageRange);
     int32_t start = mQPrinter->fromPage();
     *aStartPageRange = start;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetStartPageRange(int32_t aStartPageRange)
 {
     int32_t endRange = mQPrinter->toPage();
     mQPrinter->setFromTo(aStartPageRange, endRange);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetEndPageRange(int32_t* aEndPageRange)
 {
     NS_ENSURE_ARG_POINTER(aEndPageRange);
     int32_t end = mQPrinter->toPage();
     *aEndPageRange = end;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetEndPageRange(int32_t aEndPageRange)
 {
     int32_t startRange = mQPrinter->fromPage();
     mQPrinter->setFromTo(startRange, aEndPageRange);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetPrintReversed(bool* aPrintReversed)
 {
     NS_ENSURE_ARG_POINTER(aPrintReversed);
     if (mQPrinter->pageOrder() == QPrinter::LastPageFirst) {
         *aPrintReversed = true;
     } else {
         *aPrintReversed = false;
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetPrintReversed(bool aPrintReversed)
 {
     if (aPrintReversed) {
         mQPrinter->setPageOrder(QPrinter::LastPageFirst);
     } else {
         mQPrinter->setPageOrder(QPrinter::FirstPageFirst);
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetPrintInColor(bool* aPrintInColor)
 {
     NS_ENSURE_ARG_POINTER(aPrintInColor);
     if (mQPrinter->colorMode() == QPrinter::Color) {
         *aPrintInColor = true;
     } else {
         *aPrintInColor = false;
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetPrintInColor(bool aPrintInColor)
 {
     if (aPrintInColor) {
         mQPrinter->setColorMode(QPrinter::Color);
     } else {
         mQPrinter->setColorMode(QPrinter::GrayScale);
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetOrientation(int32_t* aOrientation)
 {
     NS_ENSURE_ARG_POINTER(aOrientation);
     QPrinter::Orientation orientation = mQPrinter->orientation();
     if (orientation == QPrinter::Landscape) {
         *aOrientation = kLandscapeOrientation;
     } else {
         *aOrientation = kPortraitOrientation;
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetOrientation(int32_t aOrientation)
 {
     if (aOrientation == kLandscapeOrientation) {
         mQPrinter->setOrientation(QPrinter::Landscape);
     } else {
         mQPrinter->setOrientation(QPrinter::Portrait);
     }
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetToFileName(char16_t** aToFileName)
 {
     NS_ENSURE_ARG_POINTER(aToFileName);
     QString filename;
     filename = mQPrinter->outputFileName();
     *aToFileName = ToNewUnicode(
             nsDependentString((char16_t*)filename.data()));
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetToFileName(const char16_t* aToFileName)
 {
     nsCOMPtr<nsIFile> file;
     nsresult rv = NS_NewLocalFile(nsDependentString(aToFileName), true,
                                 getter_AddRefs(file));
     NS_ENSURE_SUCCESS(rv, rv);
     QString filename((const QChar*)aToFileName, NS_strlen(aToFileName));
     mQPrinter->setOutputFileName(filename);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetPrinterName(char16_t** aPrinter)
 {
     NS_ENSURE_ARG_POINTER(aPrinter);
     *aPrinter = ToNewUnicode(nsDependentString(
                 (const char16_t*)mQPrinter->printerName().constData()));
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetPrinterName(const char16_t* aPrinter)
 {
     QString printername((const QChar*)aPrinter, NS_strlen(aPrinter));
     mQPrinter->setPrinterName(printername);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetNumCopies(int32_t* aNumCopies)
 {
     NS_ENSURE_ARG_POINTER(aNumCopies);
     *aNumCopies = mQPrinter->numCopies();
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetNumCopies(int32_t aNumCopies)
 {
     mQPrinter->setNumCopies(aNumCopies);
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetScaling(double* aScaling)
 {
     NS_ENSURE_ARG_POINTER(aScaling);
     qDebug()<<Q_FUNC_INFO;
     qDebug()<<"Scaling not implemented in Qt port";
     *aScaling = 1.0; //FIXME
     return NS_ERROR_NOT_IMPLEMENTED;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetScaling(double aScaling)
 {
     qDebug()<<Q_FUNC_INFO;
     qDebug()<<"Scaling not implemented in Qt port"; //FIXME
     return NS_ERROR_NOT_IMPLEMENTED;
 }
 static const char* const indexToPaperName[] =
 { "A4", "B5", "Letter", "Legal", "Executive",
   "A0", "A1", "A2", "A3", "A5", "A6", "A7", "A8", "A9",
   "B0", "B1", "B10", "B2", "B3", "B4", "B6", "B7", "B8", "B9",
   "C5E", "Comm10E", "DLE", "Folio", "Ledger", "Tabloid"
 };
 static const QPrinter::PageSize indexToQtPaperEnum[] =
 {
     QPrinter::A4, QPrinter::B5, QPrinter::Letter, QPrinter::Legal,
     QPrinter::Executive, QPrinter::A0, QPrinter::A1, QPrinter::A2, QPrinter::A3,
     QPrinter::A5, QPrinter::A6, QPrinter::A7, QPrinter::A8, QPrinter::A9,
     QPrinter::B0, QPrinter::B1, QPrinter::B10, QPrinter::B2, QPrinter::B3,
     QPrinter::B4, QPrinter::B6, QPrinter::B7, QPrinter::B8, QPrinter::B9,
     QPrinter::C5E, QPrinter::Comm10E, QPrinter::DLE, QPrinter::Folio,
     QPrinter::Ledger, QPrinter::Tabloid
 };
 NS_IMETHODIMP
 nsPrintSettingsQt::GetPaperName(char16_t** aPaperName)
 {
     PR_STATIC_ASSERT(sizeof(indexToPaperName)/
         sizeof(char*) == QPrinter::NPageSize);
     PR_STATIC_ASSERT(sizeof(indexToQtPaperEnum)/
         sizeof(QPrinter::PageSize) == QPrinter::NPageSize);
     QPrinter::PaperSize size = mQPrinter->paperSize();
     QString name(indexToPaperName[size]);
     *aPaperName = ToNewUnicode(nsDependentString
         ((const char16_t*)name.constData()));
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetPaperName(const char16_t* aPaperName)
 {
     QString ref((QChar*)aPaperName, NS_strlen(aPaperName));
     for (uint32_t i = 0; i < QPrinter::NPageSize; i++)
     {
         if (ref == QString(indexToPaperName[i])) {
             mQPrinter->setPageSize(indexToQtPaperEnum[i]);
             return NS_OK;
         }
     }
     return NS_ERROR_FAILURE;
 }
 QPrinter::Unit GetQtUnit(int16_t aGeckoUnit)
 {
     if (aGeckoUnit == nsIPrintSettings::kPaperSizeMillimeters) {
         return QPrinter::Millimeter;
     } else {
         return QPrinter::Inch;
     }
 }
 #define SETUNWRITEABLEMARGIN\
     mQPrinter->setPageMargins(\
             NS_TWIPS_TO_INCHES(mUnwriteableMargin.left),\
             NS_TWIPS_TO_INCHES(mUnwriteableMargin.top),\
             NS_TWIPS_TO_INCHES(mUnwriteableMargin.right),\
             NS_TWIPS_TO_INCHES(mUnwriteableMargin.bottom),\
             QPrinter::Inch);
 NS_IMETHODIMP
 nsPrintSettingsQt::SetUnwriteableMarginInTwips(nsIntMargin& aUnwriteableMargin)
 {
     nsPrintSettings::SetUnwriteableMarginInTwips(aUnwriteableMargin);
     SETUNWRITEABLEMARGIN
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetUnwriteableMarginTop(double aUnwriteableMarginTop)
 {
     nsPrintSettings::SetUnwriteableMarginTop(aUnwriteableMarginTop);
     SETUNWRITEABLEMARGIN
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetUnwriteableMarginLeft(double aUnwriteableMarginLeft)
 {
     nsPrintSettings::SetUnwriteableMarginLeft(aUnwriteableMarginLeft);
     SETUNWRITEABLEMARGIN
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetUnwriteableMarginBottom(double aUnwriteableMarginBottom)
 {
     nsPrintSettings::SetUnwriteableMarginBottom(aUnwriteableMarginBottom);
     SETUNWRITEABLEMARGIN
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetUnwriteableMarginRight(double aUnwriteableMarginRight)
 {
     nsPrintSettings::SetUnwriteableMarginRight(aUnwriteableMarginRight);
     SETUNWRITEABLEMARGIN
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetPaperWidth(double* aPaperWidth)
 {
     NS_ENSURE_ARG_POINTER(aPaperWidth);
     QSizeF papersize = mQPrinter->paperSize(GetQtUnit(mPaperSizeUnit));
     *aPaperWidth = papersize.width();
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetPaperWidth(double aPaperWidth)
 {
     QSizeF papersize = mQPrinter->paperSize(GetQtUnit(mPaperSizeUnit));
     papersize.setWidth(aPaperWidth);
     mQPrinter->setPaperSize(papersize, GetQtUnit(mPaperSizeUnit));
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetPaperHeight(double* aPaperHeight)
 {
     NS_ENSURE_ARG_POINTER(aPaperHeight);
     QSizeF papersize = mQPrinter->paperSize(GetQtUnit(mPaperSizeUnit));
     *aPaperHeight = papersize.height();
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetPaperHeight(double aPaperHeight)
 {
     QSizeF papersize = mQPrinter->paperSize(GetQtUnit(mPaperSizeUnit));
     papersize.setHeight(aPaperHeight);
     mQPrinter->setPaperSize(papersize, GetQtUnit(mPaperSizeUnit));
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::SetPaperSizeUnit(int16_t aPaperSizeUnit)
 {
     mPaperSizeUnit = aPaperSizeUnit;
     return NS_OK;
 }
 NS_IMETHODIMP
 nsPrintSettingsQt::GetEffectivePageSize(double* aWidth, double* aHeight)
 {
     QSizeF papersize = mQPrinter->paperSize(QPrinter::Inch);
     if (mQPrinter->orientation() == QPrinter::Landscape) {
         *aWidth  = NS_INCHES_TO_INT_TWIPS(papersize.height());
         *aHeight = NS_INCHES_TO_INT_TWIPS(papersize.width());
     } else {
         *aWidth  = NS_INCHES_TO_INT_TWIPS(papersize.width());
         *aHeight = NS_INCHES_TO_INT_TWIPS(papersize.height());
     }
     return NS_OK;
 }

The Tor Browser / annotate

widget/qt/nsPrintSettingsQt.cpp@97036ab72558 (annotated)

widget/qt/nsPrintSettingsQt.cpp