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gecko-dev/widget/nsPrintSettingsService.cpp

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/* -*- Mode: C++; tab-width: 2; 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 "nsPrintSettingsService.h"
#include "mozilla/embedding/PPrintingTypes.h"
#include "mozilla/layout/RemotePrintJobChild.h"
#include "mozilla/RefPtr.h"
#include "nsCoord.h"
#include "nsIPrinterList.h"
#include "nsReadableUtils.h"
#include "nsPrintSettingsImpl.h"
#include "nsServiceManagerUtils.h"
#include "nsSize.h"
#include "nsArray.h"
#include "nsXPCOM.h"
#include "nsXULAppAPI.h"
#include "nsIStringEnumerator.h"
#include "stdlib.h"
#include "mozilla/StaticPrefs_print.h"
#include "mozilla/Preferences.h"
#include "nsPrintfCString.h"
using namespace mozilla;
using namespace mozilla::embedding;
typedef mozilla::layout::RemotePrintJobChild RemotePrintJobChild;
NS_IMPL_ISUPPORTS(nsPrintSettingsService, nsIPrintSettingsService)
// Pref Constants
static const char kMarginTop[] = "print_margin_top";
static const char kMarginLeft[] = "print_margin_left";
static const char kMarginBottom[] = "print_margin_bottom";
static const char kMarginRight[] = "print_margin_right";
static const char kEdgeTop[] = "print_edge_top";
static const char kEdgeLeft[] = "print_edge_left";
static const char kEdgeBottom[] = "print_edge_bottom";
static const char kEdgeRight[] = "print_edge_right";
static const char kIgnoreUnwriteableMargins[] =
"print_ignore_unwriteable_margins";
static const char kUnwriteableMarginTopTwips[] =
"print_unwriteable_margin_top_twips";
static const char kUnwriteableMarginLeftTwips[] =
"print_unwriteable_margin_left_twips";
static const char kUnwriteableMarginBottomTwips[] =
"print_unwriteable_margin_bottom_twips";
static const char kUnwriteableMarginRightTwips[] =
"print_unwriteable_margin_right_twips";
// These are legacy versions of the above UnwriteableMargin prefs. The new ones,
// which are in twips, were introduced to more accurately record the values.
static const char kUnwriteableMarginTop[] = "print_unwriteable_margin_top";
static const char kUnwriteableMarginLeft[] = "print_unwriteable_margin_left";
static const char kUnwriteableMarginBottom[] =
"print_unwriteable_margin_bottom";
static const char kUnwriteableMarginRight[] = "print_unwriteable_margin_right";
// Prefs for Print Options
static const char kPrintHeaderStrLeft[] = "print_headerleft";
static const char kPrintHeaderStrCenter[] = "print_headercenter";
static const char kPrintHeaderStrRight[] = "print_headerright";
static const char kPrintFooterStrLeft[] = "print_footerleft";
static const char kPrintFooterStrCenter[] = "print_footercenter";
static const char kPrintFooterStrRight[] = "print_footerright";
// Additional Prefs
static const char kPrintReversed[] = "print_reversed";
static const char kPrintInColor[] = "print_in_color";
static const char kPrintPaperId[] = "print_paper_id";
static const char kPrintPaperSizeUnit[] = "print_paper_size_unit";
static const char kPrintPaperWidth[] = "print_paper_width";
static const char kPrintPaperHeight[] = "print_paper_height";
static const char kPrintOrientation[] = "print_orientation";
static const char kPrinterName[] = "print_printer";
static const char kPrintToFile[] = "print_to_file";
static const char kPrintToFileName[] = "print_to_filename";
static const char kPrintPageDelay[] = "print_page_delay";
static const char kPrintBGColors[] = "print_bgcolor";
static const char kPrintBGImages[] = "print_bgimages";
static const char kPrintShrinkToFit[] = "print_shrink_to_fit";
static const char kPrintScaling[] = "print_scaling";
static const char kPrintDuplex[] = "print_duplex";
static const char kJustLeft[] = "left";
static const char kJustCenter[] = "center";
static const char kJustRight[] = "right";
#define NS_PRINTER_LIST_CONTRACTID "@mozilla.org/gfx/printerlist;1"
nsresult nsPrintSettingsService::Init() { return NS_OK; }
NS_IMETHODIMP
nsPrintSettingsService::SerializeToPrintData(nsIPrintSettings* aSettings,
PrintData* data) {
aSettings->GetPageRanges(data->pageRanges());
aSettings->GetEdgeTop(&data->edgeTop());
aSettings->GetEdgeLeft(&data->edgeLeft());
aSettings->GetEdgeBottom(&data->edgeBottom());
aSettings->GetEdgeRight(&data->edgeRight());
aSettings->GetMarginTop(&data->marginTop());
aSettings->GetMarginLeft(&data->marginLeft());
aSettings->GetMarginBottom(&data->marginBottom());
aSettings->GetMarginRight(&data->marginRight());
aSettings->GetUnwriteableMarginTop(&data->unwriteableMarginTop());
aSettings->GetUnwriteableMarginLeft(&data->unwriteableMarginLeft());
aSettings->GetUnwriteableMarginBottom(&data->unwriteableMarginBottom());
aSettings->GetUnwriteableMarginRight(&data->unwriteableMarginRight());
aSettings->GetScaling(&data->scaling());
data->printBGColors() = aSettings->GetPrintBGColors();
data->printBGImages() = aSettings->GetPrintBGImages();
data->ignoreUnwriteableMargins() = aSettings->GetIgnoreUnwriteableMargins();
data->honorPageRuleMargins() = aSettings->GetHonorPageRuleMargins();
data->usePageRuleSizeAsPaperSize() =
aSettings->GetUsePageRuleSizeAsPaperSize();
data->showMarginGuides() = aSettings->GetShowMarginGuides();
data->printSelectionOnly() = aSettings->GetPrintSelectionOnly();
aSettings->GetTitle(data->title());
aSettings->GetDocURL(data->docURL());
aSettings->GetHeaderStrLeft(data->headerStrLeft());
aSettings->GetHeaderStrCenter(data->headerStrCenter());
aSettings->GetHeaderStrRight(data->headerStrRight());
aSettings->GetFooterStrLeft(data->footerStrLeft());
aSettings->GetFooterStrCenter(data->footerStrCenter());
aSettings->GetFooterStrRight(data->footerStrRight());
aSettings->GetPrintSilent(&data->printSilent());
aSettings->GetShrinkToFit(&data->shrinkToFit());
aSettings->GetPaperId(data->paperId());
aSettings->GetPaperWidth(&data->paperWidth());
aSettings->GetPaperHeight(&data->paperHeight());
aSettings->GetPaperSizeUnit(&data->paperSizeUnit());
aSettings->GetPrintReversed(&data->printReversed());
aSettings->GetPrintInColor(&data->printInColor());
aSettings->GetOrientation(&data->orientation());
aSettings->GetNumCopies(&data->numCopies());
aSettings->GetNumPagesPerSheet(&data->numPagesPerSheet());
data->outputDestination() = aSettings->GetOutputDestination();
data->outputFormat() = aSettings->GetOutputFormat();
data->printPageDelay() = aSettings->GetPrintPageDelay();
data->resolution() = aSettings->GetResolution();
data->duplex() = aSettings->GetDuplex();
aSettings->GetIsInitializedFromPrinter(&data->isInitializedFromPrinter());
aSettings->GetIsInitializedFromPrefs(&data->isInitializedFromPrefs());
// Initialize the platform-specific values that don't
// default-initialize, so that we don't send uninitialized data over
// IPC (which leads to valgrind warnings, and, for bools, fatal
// assertions).
// data->driverName() default-initializes
// data->deviceName() default-initializes
// data->GTKPrintSettings() default-initializes
return NS_OK;
}
NS_IMETHODIMP
nsPrintSettingsService::DeserializeToPrintSettings(const PrintData& data,
nsIPrintSettings* settings) {
settings->SetPageRanges(data.pageRanges());
settings->SetEdgeTop(data.edgeTop());
settings->SetEdgeLeft(data.edgeLeft());
settings->SetEdgeBottom(data.edgeBottom());
settings->SetEdgeRight(data.edgeRight());
settings->SetMarginTop(data.marginTop());
settings->SetMarginLeft(data.marginLeft());
settings->SetMarginBottom(data.marginBottom());
settings->SetMarginRight(data.marginRight());
settings->SetUnwriteableMarginTop(data.unwriteableMarginTop());
settings->SetUnwriteableMarginLeft(data.unwriteableMarginLeft());
settings->SetUnwriteableMarginBottom(data.unwriteableMarginBottom());
settings->SetUnwriteableMarginRight(data.unwriteableMarginRight());
settings->SetScaling(data.scaling());
settings->SetPrintBGColors(data.printBGColors());
settings->SetPrintBGImages(data.printBGImages());
settings->SetHonorPageRuleMargins(data.honorPageRuleMargins());
settings->SetUsePageRuleSizeAsPaperSize(data.usePageRuleSizeAsPaperSize());
settings->SetIgnoreUnwriteableMargins(data.ignoreUnwriteableMargins());
settings->SetShowMarginGuides(data.showMarginGuides());
settings->SetPrintSelectionOnly(data.printSelectionOnly());
settings->SetTitle(data.title());
settings->SetDocURL(data.docURL());
// Header strings...
settings->SetHeaderStrLeft(data.headerStrLeft());
settings->SetHeaderStrCenter(data.headerStrCenter());
settings->SetHeaderStrRight(data.headerStrRight());
// Footer strings...
settings->SetFooterStrLeft(data.footerStrLeft());
settings->SetFooterStrCenter(data.footerStrCenter());
settings->SetFooterStrRight(data.footerStrRight());
settings->SetPrintSilent(data.printSilent());
settings->SetShrinkToFit(data.shrinkToFit());
settings->SetPaperId(data.paperId());
settings->SetPaperWidth(data.paperWidth());
settings->SetPaperHeight(data.paperHeight());
settings->SetPaperSizeUnit(data.paperSizeUnit());
settings->SetPrintReversed(data.printReversed());
settings->SetPrintInColor(data.printInColor());
settings->SetOrientation(data.orientation());
settings->SetNumCopies(data.numCopies());
settings->SetNumPagesPerSheet(data.numPagesPerSheet());
settings->SetOutputDestination(
nsIPrintSettings::OutputDestinationType(data.outputDestination()));
// Output stream intentionally unset, child processes shouldn't care about it.
settings->SetOutputFormat(data.outputFormat());
settings->SetPrintPageDelay(data.printPageDelay());
settings->SetResolution(data.resolution());
settings->SetDuplex(data.duplex());
settings->SetIsInitializedFromPrinter(data.isInitializedFromPrinter());
settings->SetIsInitializedFromPrefs(data.isInitializedFromPrefs());
return NS_OK;
}
/** ---------------------------------------------------
* Helper function - Creates the "prefix" for the pref
* It is either "print."
* or "print.printer_<print name>."
*/
const char* nsPrintSettingsService::GetPrefName(const char* aPrefName,
const nsAString& aPrinterName) {
if (!aPrefName || !*aPrefName) {
NS_ERROR("Must have a valid pref name!");
return aPrefName;
}
mPrefName.AssignLiteral("print.");
if (aPrinterName.Length()) {
mPrefName.AppendLiteral("printer_");
AppendUTF16toUTF8(aPrinterName, mPrefName);
mPrefName.Append('.');
}
mPrefName += aPrefName;
return mPrefName.get();
}
/**
* This will either read in the generic prefs (not specific to a printer)
* or read the prefs in using the printer name to qualify.
* It is either "print.attr_name" or "print.printer_HPLasr5.attr_name"
*/
nsresult nsPrintSettingsService::ReadPrefs(nsIPrintSettings* aPS,
const nsAString& aPrinterName,
uint32_t aFlags) {
NS_ENSURE_ARG_POINTER(aPS);
bool noValidPrefsFound = true;
bool b;
nsAutoString str;
int32_t iVal;
double dbl;
#define GETBOOLPREF(_prefname, _retval) \
NS_SUCCEEDED( \
Preferences::GetBool(GetPrefName(_prefname, aPrinterName), _retval))
#define GETSTRPREF(_prefname, _retval) \
NS_SUCCEEDED( \
Preferences::GetString(GetPrefName(_prefname, aPrinterName), _retval))
#define GETINTPREF(_prefname, _retval) \
NS_SUCCEEDED( \
Preferences::GetInt(GetPrefName(_prefname, aPrinterName), _retval))
#define GETDBLPREF(_prefname, _retval) \
NS_SUCCEEDED(ReadPrefDouble(GetPrefName(_prefname, aPrinterName), _retval))
bool gotPaperSizeFromPrefs = false;
int16_t paperSizeUnit;
double paperWidth, paperHeight;
// Paper size prefs are read as a group
if (aFlags & nsIPrintSettings::kInitSavePaperSize) {
gotPaperSizeFromPrefs = GETINTPREF(kPrintPaperSizeUnit, &iVal) &&
GETDBLPREF(kPrintPaperWidth, paperWidth) &&
GETDBLPREF(kPrintPaperHeight, paperHeight) &&
GETSTRPREF(kPrintPaperId, str);
paperSizeUnit = (int16_t)iVal;
if (gotPaperSizeFromPrefs &&
paperSizeUnit != nsIPrintSettings::kPaperSizeInches &&
paperSizeUnit != nsIPrintSettings::kPaperSizeMillimeters) {
gotPaperSizeFromPrefs = false;
}
if (gotPaperSizeFromPrefs) {
// Bug 315687: Sanity check paper size to avoid paper size values in
// mm when the size unit flag is inches. The value 100 is arbitrary
// and can be changed.
gotPaperSizeFromPrefs =
(paperSizeUnit != nsIPrintSettings::kPaperSizeInches) ||
(paperWidth < 100.0) || (paperHeight < 100.0);
}
if (gotPaperSizeFromPrefs) {
aPS->SetPaperSizeUnit(paperSizeUnit);
aPS->SetPaperWidth(paperWidth);
aPS->SetPaperHeight(paperHeight);
aPS->SetPaperId(str);
noValidPrefsFound = false;
}
}
nsIntSize pageSizeInTwips; // to sanity check margins
if (!gotPaperSizeFromPrefs) {
aPS->GetPaperSizeUnit(&paperSizeUnit);
aPS->GetPaperWidth(&paperWidth);
aPS->GetPaperHeight(&paperHeight);
}
if (paperSizeUnit == nsIPrintSettings::kPaperSizeMillimeters) {
pageSizeInTwips = nsIntSize((int)NS_MILLIMETERS_TO_TWIPS(paperWidth),
(int)NS_MILLIMETERS_TO_TWIPS(paperHeight));
} else {
pageSizeInTwips = nsIntSize((int)NS_INCHES_TO_TWIPS(paperWidth),
(int)NS_INCHES_TO_TWIPS(paperHeight));
}
auto MarginIsOK = [&pageSizeInTwips](const nsIntMargin& aMargin) {
return aMargin.top >= 0 && aMargin.right >= 0 && aMargin.bottom >= 0 &&
aMargin.left >= 0 && aMargin.LeftRight() < pageSizeInTwips.width &&
aMargin.TopBottom() < pageSizeInTwips.height;
};
if (aFlags & nsIPrintSettings::kInitSaveUnwriteableMargins) {
nsIntMargin margin;
bool allPrefsRead =
GETINTPREF(kUnwriteableMarginTopTwips, &margin.top.value) &&
GETINTPREF(kUnwriteableMarginRightTwips, &margin.right.value) &&
GETINTPREF(kUnwriteableMarginBottomTwips, &margin.bottom.value) &&
GETINTPREF(kUnwriteableMarginLeftTwips, &margin.left.value);
if (!allPrefsRead) {
// We failed to read the new unwritable margin twips prefs. Try to read
// the old ones in case they exist.
allPrefsRead = ReadInchesIntToTwipsPref(
GetPrefName(kUnwriteableMarginTop, aPrinterName),
margin.top.value) &&
ReadInchesIntToTwipsPref(
GetPrefName(kUnwriteableMarginLeft, aPrinterName),
margin.left.value) &&
ReadInchesIntToTwipsPref(
GetPrefName(kUnwriteableMarginBottom, aPrinterName),
margin.bottom.value) &&
ReadInchesIntToTwipsPref(
GetPrefName(kUnwriteableMarginRight, aPrinterName),
margin.right.value);
}
// SetUnwriteableMarginInTwips does its own validation and drops negative
// values individually. We still want to block overly large values though,
// so we do that part of MarginIsOK manually.
if (allPrefsRead && margin.LeftRight() < pageSizeInTwips.width &&
margin.TopBottom() < pageSizeInTwips.height) {
aPS->SetUnwriteableMarginInTwips(margin);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveMargins) {
int32_t halfInch = NS_INCHES_TO_INT_TWIPS(0.5);
nsIntMargin margin(halfInch, halfInch, halfInch, halfInch);
bool prefRead = ReadInchesToTwipsPref(GetPrefName(kMarginTop, aPrinterName),
margin.top.value);
prefRead = ReadInchesToTwipsPref(GetPrefName(kMarginLeft, aPrinterName),
margin.left.value) ||
prefRead;
prefRead = ReadInchesToTwipsPref(GetPrefName(kMarginBottom, aPrinterName),
margin.bottom.value) ||
prefRead;
prefRead = ReadInchesToTwipsPref(GetPrefName(kMarginRight, aPrinterName),
margin.right.value) ||
prefRead;
if (prefRead && MarginIsOK(margin)) {
aPS->SetMarginInTwips(margin);
noValidPrefsFound = false;
prefRead = GETBOOLPREF(kIgnoreUnwriteableMargins, &b);
if (prefRead) {
aPS->SetIgnoreUnwriteableMargins(b);
}
}
}
if (aFlags & nsIPrintSettings::kInitSaveEdges) {
nsIntMargin margin(0, 0, 0, 0);
bool prefRead = ReadInchesIntToTwipsPref(
GetPrefName(kEdgeTop, aPrinterName), margin.top.value);
prefRead = ReadInchesIntToTwipsPref(GetPrefName(kEdgeLeft, aPrinterName),
margin.left.value) ||
prefRead;
prefRead = ReadInchesIntToTwipsPref(GetPrefName(kEdgeBottom, aPrinterName),
margin.bottom.value) ||
prefRead;
prefRead = ReadInchesIntToTwipsPref(GetPrefName(kEdgeRight, aPrinterName),
margin.right.value) ||
prefRead;
;
if (prefRead && MarginIsOK(margin)) {
aPS->SetEdgeInTwips(margin);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveHeaderLeft) {
if (GETSTRPREF(kPrintHeaderStrLeft, str)) {
aPS->SetHeaderStrLeft(str);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveHeaderCenter) {
if (GETSTRPREF(kPrintHeaderStrCenter, str)) {
aPS->SetHeaderStrCenter(str);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveHeaderRight) {
if (GETSTRPREF(kPrintHeaderStrRight, str)) {
aPS->SetHeaderStrRight(str);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveFooterLeft) {
if (GETSTRPREF(kPrintFooterStrLeft, str)) {
aPS->SetFooterStrLeft(str);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveFooterCenter) {
if (GETSTRPREF(kPrintFooterStrCenter, str)) {
aPS->SetFooterStrCenter(str);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveFooterRight) {
if (GETSTRPREF(kPrintFooterStrRight, str)) {
aPS->SetFooterStrRight(str);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveBGColors) {
if (GETBOOLPREF(kPrintBGColors, &b)) {
aPS->SetPrintBGColors(b);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveBGImages) {
if (GETBOOLPREF(kPrintBGImages, &b)) {
aPS->SetPrintBGImages(b);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveReversed) {
if (GETBOOLPREF(kPrintReversed, &b)) {
aPS->SetPrintReversed(b);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveInColor) {
if (GETBOOLPREF(kPrintInColor, &b)) {
aPS->SetPrintInColor(b);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveOrientation) {
if (GETINTPREF(kPrintOrientation, &iVal) &&
(iVal == nsIPrintSettings::kPortraitOrientation ||
iVal == nsIPrintSettings::kLandscapeOrientation)) {
aPS->SetOrientation(iVal);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSavePrintToFile) {
if (GETBOOLPREF(kPrintToFile, &b)) {
aPS->SetOutputDestination(
b ? nsIPrintSettings::kOutputDestinationFile
: nsIPrintSettings::kOutputDestinationPrinter);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveToFileName) {
if (GETSTRPREF(kPrintToFileName, str)) {
if (StringEndsWith(str, u".ps"_ns)) {
// We only support PDF since bug 1425188 landed. Users may still have
// prefs with .ps filenames if they last saved a file as Postscript
// though, so we fix that up here. (The pref values will be
// overwritten the next time they save to file as a PDF.)
str.Truncate(str.Length() - 2);
str.AppendLiteral("pdf");
}
aPS->SetToFileName(str);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSavePageDelay) {
// milliseconds
if (GETINTPREF(kPrintPageDelay, &iVal) && iVal >= 0 && iVal <= 1000) {
aPS->SetPrintPageDelay(iVal);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveShrinkToFit) {
if (GETBOOLPREF(kPrintShrinkToFit, &b)) {
aPS->SetShrinkToFit(b);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveScaling) {
// The limits imposed here are fairly arbitrary and mainly intended to
// purge bad values which tend to be negative and/or very large. If we
// get complaints from users that settings outside these values "aren't
// saved" then we can consider increasing them.
if (GETDBLPREF(kPrintScaling, dbl) && dbl >= 0.05 && dbl <= 20) {
aPS->SetScaling(dbl);
noValidPrefsFound = false;
}
}
if (aFlags & nsIPrintSettings::kInitSaveDuplex) {
if (GETINTPREF(kPrintDuplex, &iVal)) {
aPS->SetDuplex(iVal);
noValidPrefsFound = false;
}
}
// Not Reading In:
// Number of Copies
// Print Resolution
return noValidPrefsFound ? NS_ERROR_NOT_AVAILABLE : NS_OK;
}
nsresult nsPrintSettingsService::WritePrefs(nsIPrintSettings* aPS,
const nsAString& aPrinterName,
uint32_t aFlags) {
NS_ENSURE_ARG_POINTER(aPS);
if (aFlags & nsIPrintSettings::kInitSaveMargins) {
nsIntMargin margin = aPS->GetMarginInTwips();
WriteInchesFromTwipsPref(GetPrefName(kMarginTop, aPrinterName), margin.top);
WriteInchesFromTwipsPref(GetPrefName(kMarginLeft, aPrinterName),
margin.left);
WriteInchesFromTwipsPref(GetPrefName(kMarginBottom, aPrinterName),
margin.bottom);
WriteInchesFromTwipsPref(GetPrefName(kMarginRight, aPrinterName),
margin.right);
Preferences::SetBool(GetPrefName(kIgnoreUnwriteableMargins, aPrinterName),
aPS->GetIgnoreUnwriteableMargins());
}
if (aFlags & nsIPrintSettings::kInitSaveEdges) {
nsIntMargin edge = aPS->GetEdgeInTwips();
WriteInchesIntFromTwipsPref(GetPrefName(kEdgeTop, aPrinterName), edge.top);
WriteInchesIntFromTwipsPref(GetPrefName(kEdgeLeft, aPrinterName),
edge.left);
WriteInchesIntFromTwipsPref(GetPrefName(kEdgeBottom, aPrinterName),
edge.bottom);
WriteInchesIntFromTwipsPref(GetPrefName(kEdgeRight, aPrinterName),
edge.right);
}
if (aFlags & nsIPrintSettings::kInitSaveUnwriteableMargins) {
nsIntMargin unwriteableMargin = aPS->GetUnwriteableMarginInTwips();
Preferences::SetInt(GetPrefName(kUnwriteableMarginTopTwips, aPrinterName),
unwriteableMargin.top);
Preferences::SetInt(GetPrefName(kUnwriteableMarginLeftTwips, aPrinterName),
unwriteableMargin.left);
Preferences::SetInt(
GetPrefName(kUnwriteableMarginBottomTwips, aPrinterName),
unwriteableMargin.bottom);
Preferences::SetInt(GetPrefName(kUnwriteableMarginRightTwips, aPrinterName),
unwriteableMargin.right);
// Remove the old unwriteableMargin prefs.
Preferences::ClearUser(GetPrefName(kUnwriteableMarginTop, aPrinterName));
Preferences::ClearUser(GetPrefName(kUnwriteableMarginRight, aPrinterName));
Preferences::ClearUser(GetPrefName(kUnwriteableMarginBottom, aPrinterName));
Preferences::ClearUser(GetPrefName(kUnwriteableMarginLeft, aPrinterName));
}
// Paper size prefs are saved as a group
if (aFlags & nsIPrintSettings::kInitSavePaperSize) {
int16_t sizeUnit;
double width, height;
nsString name;
if (NS_SUCCEEDED(aPS->GetPaperSizeUnit(&sizeUnit)) &&
NS_SUCCEEDED(aPS->GetPaperWidth(&width)) &&
NS_SUCCEEDED(aPS->GetPaperHeight(&height)) &&
NS_SUCCEEDED(aPS->GetPaperId(name))) {
Preferences::SetInt(GetPrefName(kPrintPaperSizeUnit, aPrinterName),
int32_t(sizeUnit));
WritePrefDouble(GetPrefName(kPrintPaperWidth, aPrinterName), width);
WritePrefDouble(GetPrefName(kPrintPaperHeight, aPrinterName), height);
Preferences::SetString(GetPrefName(kPrintPaperId, aPrinterName), name);
}
}
bool b;
nsString uStr;
int32_t iVal;
double dbl;
if (aFlags & nsIPrintSettings::kInitSaveHeaderLeft) {
if (NS_SUCCEEDED(aPS->GetHeaderStrLeft(uStr))) {
Preferences::SetString(GetPrefName(kPrintHeaderStrLeft, aPrinterName),
uStr);
}
}
if (aFlags & nsIPrintSettings::kInitSaveHeaderCenter) {
if (NS_SUCCEEDED(aPS->GetHeaderStrCenter(uStr))) {
Preferences::SetString(GetPrefName(kPrintHeaderStrCenter, aPrinterName),
uStr);
}
}
if (aFlags & nsIPrintSettings::kInitSaveHeaderRight) {
if (NS_SUCCEEDED(aPS->GetHeaderStrRight(uStr))) {
Preferences::SetString(GetPrefName(kPrintHeaderStrRight, aPrinterName),
uStr);
}
}
if (aFlags & nsIPrintSettings::kInitSaveFooterLeft) {
if (NS_SUCCEEDED(aPS->GetFooterStrLeft(uStr))) {
Preferences::SetString(GetPrefName(kPrintFooterStrLeft, aPrinterName),
uStr);
}
}
if (aFlags & nsIPrintSettings::kInitSaveFooterCenter) {
if (NS_SUCCEEDED(aPS->GetFooterStrCenter(uStr))) {
Preferences::SetString(GetPrefName(kPrintFooterStrCenter, aPrinterName),
uStr);
}
}
if (aFlags & nsIPrintSettings::kInitSaveFooterRight) {
if (NS_SUCCEEDED(aPS->GetFooterStrRight(uStr))) {
Preferences::SetString(GetPrefName(kPrintFooterStrRight, aPrinterName),
uStr);
}
}
if (aFlags & nsIPrintSettings::kInitSaveBGColors) {
b = aPS->GetPrintBGColors();
Preferences::SetBool(GetPrefName(kPrintBGColors, aPrinterName), b);
}
if (aFlags & nsIPrintSettings::kInitSaveBGImages) {
b = aPS->GetPrintBGImages();
Preferences::SetBool(GetPrefName(kPrintBGImages, aPrinterName), b);
}
if (aFlags & nsIPrintSettings::kInitSaveReversed) {
if (NS_SUCCEEDED(aPS->GetPrintReversed(&b))) {
Preferences::SetBool(GetPrefName(kPrintReversed, aPrinterName), b);
}
}
if (aFlags & nsIPrintSettings::kInitSaveInColor) {
if (NS_SUCCEEDED(aPS->GetPrintInColor(&b))) {
Preferences::SetBool(GetPrefName(kPrintInColor, aPrinterName), b);
}
}
if (aFlags & nsIPrintSettings::kInitSaveOrientation) {
if (NS_SUCCEEDED(aPS->GetOrientation(&iVal))) {
Preferences::SetInt(GetPrefName(kPrintOrientation, aPrinterName), iVal);
}
}
// Only the general version of this pref is saved
if ((aFlags & nsIPrintSettings::kInitSavePrinterName) &&
aPrinterName.IsEmpty()) {
if (NS_SUCCEEDED(aPS->GetPrinterName(uStr))) {
Preferences::SetString(kPrinterName, uStr);
}
}
if (aFlags & nsIPrintSettings::kInitSavePrintToFile) {
Preferences::SetBool(GetPrefName(kPrintToFile, aPrinterName),
aPS->GetOutputDestination() ==
nsIPrintSettings::kOutputDestinationFile);
}
if (aFlags & nsIPrintSettings::kInitSaveToFileName) {
if (NS_SUCCEEDED(aPS->GetToFileName(uStr))) {
Preferences::SetString(GetPrefName(kPrintToFileName, aPrinterName), uStr);
}
}
if (aFlags & nsIPrintSettings::kInitSavePageDelay) {
if (NS_SUCCEEDED(aPS->GetPrintPageDelay(&iVal))) {
Preferences::SetInt(GetPrefName(kPrintPageDelay, aPrinterName), iVal);
}
}
if (aFlags & nsIPrintSettings::kInitSaveShrinkToFit) {
if (NS_SUCCEEDED(aPS->GetShrinkToFit(&b))) {
Preferences::SetBool(GetPrefName(kPrintShrinkToFit, aPrinterName), b);
}
}
if (aFlags & nsIPrintSettings::kInitSaveScaling) {
if (NS_SUCCEEDED(aPS->GetScaling(&dbl))) {
WritePrefDouble(GetPrefName(kPrintScaling, aPrinterName), dbl);
}
}
if (aFlags & nsIPrintSettings::kInitSaveDuplex) {
if (NS_SUCCEEDED(aPS->GetDuplex(&iVal))) {
Preferences::SetInt(GetPrefName(kPrintDuplex, aPrinterName), iVal);
}
}
// Not Writing Out:
// Number of Copies
// Print Resolution
return NS_OK;
}
NS_IMETHODIMP
nsPrintSettingsService::GetDefaultPrintSettingsForPrinting(
nsIPrintSettings** aPrintSettings) {
nsresult rv = CreateNewPrintSettings(aPrintSettings);
NS_ENSURE_SUCCESS(rv, rv);
nsIPrintSettings* settings = *aPrintSettings;
// For security reasons, we don't pass the printer name to content processes.
// Once bug 1776169 is fixed, we can just assert that this is the parent
// process.
bool usePrinterName = XRE_IsParentProcess();
if (usePrinterName) {
nsAutoString printerName;
settings->GetPrinterName(printerName);
if (printerName.IsEmpty()) {
GetLastUsedPrinterName(printerName);
settings->SetPrinterName(printerName);
}
InitPrintSettingsFromPrinter(printerName, settings);
}
InitPrintSettingsFromPrefs(settings, usePrinterName,
nsIPrintSettings::kInitSaveAll);
return NS_OK;
}
NS_IMETHODIMP
nsPrintSettingsService::CreateNewPrintSettings(
nsIPrintSettings** aNewPrintSettings) {
return _CreatePrintSettings(aNewPrintSettings);
}
NS_IMETHODIMP
nsPrintSettingsService::GetLastUsedPrinterName(
nsAString& aLastUsedPrinterName) {
MOZ_ASSERT(XRE_IsParentProcess());
aLastUsedPrinterName.Truncate();
Preferences::GetString(kPrinterName, aLastUsedPrinterName);
return NS_OK;
}
NS_IMETHODIMP
nsPrintSettingsService::InitPrintSettingsFromPrinter(
const nsAString& aPrinterName, nsIPrintSettings* aPrintSettings) {
// Don't get print settings from the printer in the child when printing via
// parent, these will be retrieved in the parent later in the print process.
if (XRE_IsContentProcess()) {
return NS_OK;
}
NS_ENSURE_ARG_POINTER(aPrintSettings);
#ifdef DEBUG
nsString printerName;
aPrintSettings->GetPrinterName(printerName);
if (!printerName.Equals(aPrinterName)) {
NS_WARNING("Printer names should match!");
}
#endif
bool isInitialized;
aPrintSettings->GetIsInitializedFromPrinter(&isInitialized);
if (isInitialized) return NS_OK;
nsresult rv;
nsCOMPtr<nsIPrinterList> printerList =
do_GetService(NS_PRINTER_LIST_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = printerList->InitPrintSettingsFromPrinter(aPrinterName, aPrintSettings);
NS_ENSURE_SUCCESS(rv, rv);
aPrintSettings->SetIsInitializedFromPrinter(true);
return rv;
}
/** ---------------------------------------------------
* Helper function - Returns either the name or sets the length to zero
*/
static nsresult GetAdjustedPrinterName(nsIPrintSettings* aPS, bool aUsePNP,
nsAString& aPrinterName) {
NS_ENSURE_ARG_POINTER(aPS);
aPrinterName.Truncate();
if (!aUsePNP) return NS_OK;
// Get the Printer Name from the PrintSettings
// to use as a prefix for Pref Names
nsresult rv = aPS->GetPrinterName(aPrinterName);
NS_ENSURE_SUCCESS(rv, rv);
// Convert any whitespaces, carriage returns or newlines to _
// The below algorithm is supposedly faster than using iterators
constexpr auto replSubstr = u"_"_ns;
const char* replaceStr = " \n\r";
int32_t x;
for (x = 0; x < (int32_t)strlen(replaceStr); x++) {
char16_t uChar = replaceStr[x];
int32_t i = 0;
while ((i = aPrinterName.FindChar(uChar, i)) != kNotFound) {
aPrinterName.Replace(i, 1, replSubstr);
i++;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsPrintSettingsService::InitPrintSettingsFromPrefs(nsIPrintSettings* aPS,
bool aUsePNP,
uint32_t aFlags) {
NS_ENSURE_ARG_POINTER(aPS);
bool isInitialized;
aPS->GetIsInitializedFromPrefs(&isInitialized);
if (isInitialized) {
return NS_OK;
}
auto globalPrintSettings = aFlags;
#ifndef MOZ_WIDGET_ANDROID
globalPrintSettings &= nsIPrintSettings::kGlobalSettings;
#endif
nsAutoString prtName;
// read any non printer specific prefs
// with empty printer name
nsresult rv = ReadPrefs(aPS, prtName, globalPrintSettings);
if (NS_FAILED(rv) && rv != NS_ERROR_NOT_AVAILABLE) {
NS_WARNING("ReadPrefs failed");
}
// Get the Printer Name from the PrintSettings to use as a prefix for Pref
// Names
rv = GetAdjustedPrinterName(aPS, aUsePNP, prtName);
NS_ENSURE_SUCCESS(rv, rv);
if (prtName.IsEmpty()) {
NS_WARNING("Caller should supply a printer name.");
return NS_OK;
}
// Now read any printer specific prefs
rv = ReadPrefs(aPS, prtName, aFlags);
if (NS_SUCCEEDED(rv)) {
aPS->SetIsInitializedFromPrefs(true);
}
return NS_OK;
}
/**
* Save all of the printer settings; if we can find a printer name, save
* printer-specific preferences. Otherwise, save generic ones.
*/
nsresult nsPrintSettingsService::MaybeSavePrintSettingsToPrefs(
nsIPrintSettings* aPS, uint32_t aFlags) {
NS_ENSURE_ARG_POINTER(aPS);
MOZ_DIAGNOSTIC_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default);
MOZ_ASSERT(!(aFlags & nsIPrintSettings::kInitSavePrinterName),
"Use SaveLastUsedPrintNameToPrefs");
if (!Preferences::GetBool("print.save_print_settings", false)) {
return NS_OK;
}
// Get the printer name from the PrinterSettings for an optional prefix.
nsAutoString prtName;
nsresult rv = GetAdjustedPrinterName(aPS, true, prtName);
NS_ENSURE_SUCCESS(rv, rv);
#ifndef MOZ_WIDGET_ANDROID
// On most platforms we should always use a prefix when saving print settings
// to prefs. Saving without a prefix risks breaking printing for users
// without a good way for us to fix things for them (unprefixed prefs act as
// defaults and can result in values being inappropriately propagated to
// prefixed prefs).
if (prtName.IsEmpty()) {
MOZ_DIAGNOSTIC_CRASH("Print settings must be saved with a prefix");
return NS_ERROR_FAILURE;
}
#endif
return WritePrefs(aPS, prtName, aFlags);
}
nsresult nsPrintSettingsService::MaybeSaveLastUsedPrinterNameToPrefs(
const nsAString& aPrinterName) {
MOZ_DIAGNOSTIC_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default);
if (!Preferences::GetBool("print.save_print_settings", false)) {
return NS_OK;
}
if (!aPrinterName.IsEmpty()) {
Preferences::SetString(kPrinterName, aPrinterName);
}
return NS_OK;
}
//-----------------------------------------------------
//-- Protected Methods --------------------------------
//-----------------------------------------------------
nsresult nsPrintSettingsService::ReadPrefDouble(const char* aPrefId,
double& aVal) {
NS_ENSURE_ARG_POINTER(aPrefId);
nsAutoCString str;
nsresult rv = Preferences::GetCString(aPrefId, str);
if (NS_FAILED(rv) || str.IsEmpty()) {
return NS_ERROR_NOT_AVAILABLE;
}
double value = str.ToDouble(&rv);
if (NS_FAILED(rv)) {
return rv;
}
aVal = value;
return NS_OK;
}
nsresult nsPrintSettingsService::WritePrefDouble(const char* aPrefId,
double aVal) {
NS_ENSURE_ARG_POINTER(aPrefId);
nsAutoCString str;
str.AppendFloat(aVal);
return Preferences::SetCString(aPrefId, str);
}
bool nsPrintSettingsService::ReadInchesToTwipsPref(const char* aPrefId,
int32_t& aTwips) {
nsAutoString str;
nsresult rv = Preferences::GetString(aPrefId, str);
if (NS_FAILED(rv) || str.IsEmpty()) {
return false;
}
float inches = str.ToFloat(&rv);
if (NS_FAILED(rv)) {
return false;
}
aTwips = NS_INCHES_TO_INT_TWIPS(inches);
return true;
}
void nsPrintSettingsService::WriteInchesFromTwipsPref(const char* aPrefId,
int32_t aTwips) {
double inches = NS_TWIPS_TO_INCHES(aTwips);
nsAutoCString inchesStr;
inchesStr.AppendFloat(inches);
Preferences::SetCString(aPrefId, inchesStr);
}
bool nsPrintSettingsService::ReadInchesIntToTwipsPref(const char* aPrefId,
int32_t& aTwips) {
int32_t value;
nsresult rv = Preferences::GetInt(aPrefId, &value);
if (NS_FAILED(rv)) {
return false;
}
aTwips = NS_INCHES_TO_INT_TWIPS(float(value) / 100.0f);
return true;
}
void nsPrintSettingsService::WriteInchesIntFromTwipsPref(const char* aPrefId,
int32_t aTwips) {
Preferences::SetInt(aPrefId,
int32_t(NS_TWIPS_TO_INCHES(aTwips) * 100.0f + 0.5f));
}
void nsPrintSettingsService::ReadJustification(const char* aPrefId,
int16_t& aJust,
int16_t aInitValue) {
aJust = aInitValue;
nsAutoString justStr;
if (NS_SUCCEEDED(Preferences::GetString(aPrefId, justStr))) {
if (justStr.EqualsASCII(kJustRight)) {
aJust = nsIPrintSettings::kJustRight;
} else if (justStr.EqualsASCII(kJustCenter)) {
aJust = nsIPrintSettings::kJustCenter;
} else {
aJust = nsIPrintSettings::kJustLeft;
}
}
}
//---------------------------------------------------
void nsPrintSettingsService::WriteJustification(const char* aPrefId,
int16_t aJust) {
switch (aJust) {
case nsIPrintSettings::kJustLeft:
Preferences::SetCString(aPrefId, kJustLeft);
break;
case nsIPrintSettings::kJustCenter:
Preferences::SetCString(aPrefId, kJustCenter);
break;
case nsIPrintSettings::kJustRight:
Preferences::SetCString(aPrefId, kJustRight);
break;
} // switch
}
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