mirror of
https://github.com/mozilla/gecko-dev.git
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406 lines
16 KiB
Plaintext
406 lines
16 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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%{ C++
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#include "nsMargin.h"
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#include "nsTArray.h"
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namespace mozilla {
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struct PrintSettingsInitializer;
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}
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%}
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/**
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* Native types
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*/
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native nsNativeIntMargin(nsIntMargin);
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[ref] native nsNativeIntMarginRef(nsIntMargin);
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native PrintSettingsInitializer(mozilla::PrintSettingsInitializer);
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interface nsIOutputStream;
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/**
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* Simplified graphics interface for JS rendering.
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*/
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[scriptable, builtinclass, uuid(ecc5cbad-57fc-4731-b0bd-09e865bd62ad)]
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interface nsIPrintSettings : nsISupports
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{
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/**
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* PrintSettings to be Saved Navigation Constants
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*/
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/* Flag 0x00000001 is unused */
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const unsigned long kInitSaveHeaderLeft = 0x00000002;
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const unsigned long kInitSaveHeaderCenter = 0x00000004;
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const unsigned long kInitSaveHeaderRight = 0x00000008;
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const unsigned long kInitSaveFooterLeft = 0x00000010;
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const unsigned long kInitSaveFooterCenter = 0x00000020;
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const unsigned long kInitSaveFooterRight = 0x00000040;
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const unsigned long kInitSaveBGColors = 0x00000080;
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const unsigned long kInitSaveBGImages = 0x00000100;
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const unsigned long kInitSavePaperSize = 0x00000200;
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/* Flag 0x00000400 is unused */
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const unsigned long kInitSaveDuplex = 0x00000800;
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/* Flag 0x00001000 is unused */
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/* Flag 0x00002000 is unused */
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const unsigned long kInitSaveUnwriteableMargins = 0x00004000;
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const unsigned long kInitSaveEdges = 0x00008000;
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const unsigned long kInitSaveReversed = 0x00010000;
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const unsigned long kInitSaveInColor = 0x00020000;
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const unsigned long kInitSaveOrientation = 0x00040000;
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const unsigned long kInitSavePrinterName = 0x00100000;
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const unsigned long kInitSavePrintToFile = 0x00200000;
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const unsigned long kInitSaveToFileName = 0x00400000;
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const unsigned long kInitSavePageDelay = 0x00800000;
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const unsigned long kInitSaveMargins = 0x01000000;
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/* Flag 0x02000000 is unused */
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const unsigned long kInitSaveShrinkToFit = 0x08000000;
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const unsigned long kInitSaveScaling = 0x10000000;
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const unsigned long kInitSaveAll = 0xFFFFFFFF;
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// These settings should be read from global prefs. Other settings should be
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// read only from printer-specific prefs.
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const unsigned long kGlobalSettings =
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kInitSaveHeaderLeft | kInitSaveHeaderCenter | kInitSaveHeaderRight |
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kInitSaveFooterLeft | kInitSaveFooterCenter | kInitSaveFooterRight |
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kInitSaveEdges | kInitSaveReversed | kInitSaveInColor |
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kInitSaveBGColors | kInitSaveBGImages | kInitSaveShrinkToFit;
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// These settings may be changed by native print dialog and should be
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// persisted when changed.
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const unsigned long kPrintDialogPersistSettings =
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kGlobalSettings | kInitSavePaperSize | kInitSaveDuplex |
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kInitSaveEdges | kInitSaveReversed | kInitSaveInColor |
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kInitSaveOrientation | kInitSavePageDelay | kInitSaveMargins |
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kInitSaveShrinkToFit | kInitSaveScaling;
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/* Justification Enums */
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const long kJustLeft = 0;
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const long kJustCenter = 1;
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const long kJustRight = 2;
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/** Page Size Unit Constants */
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const short kPaperSizeInches = 0;
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const short kPaperSizeMillimeters = 1;
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/** Orientation Constants */
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const short kPortraitOrientation = 0;
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const short kLandscapeOrientation = 1;
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/** Output file format */
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const short kOutputFormatNative = 0;
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const short kOutputFormatPDF = 2;
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/** Output destination */
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cenum OutputDestinationType : 8 {
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kOutputDestinationPrinter = 0,
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kOutputDestinationFile = 1,
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kOutputDestinationStream = 2,
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};
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/**
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* Duplex printing options.
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*
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* Note that other libraries refer to equivalent duplex settings using
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* various sets of terminology. This can be confusing and inconsistent both
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* with other libraries, and with the behavior that these terms intend to describe.
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*
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* kDuplexNone is equivalent to Simplex. Thankfully, both of these terms are
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* consistent with the behavior that they describe, which is to have single-sided
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* printing per sheet.
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*
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* kDuplexFlipOnLongEdge is equivalent to the following platform-specific constants:
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* CUPS/macOS: NoTumble
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* Windows: DMDUP_VERTICAL
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* GTK: GTK_PRINT_DUPLEX_HORIZONTAL
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*
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* kDuplexFlipOnShortEdge is equivalent to the following platform-specific constants:
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* CUPS/macOS: Tumble
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* Windows: DMDUP_HORIZONTAL
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* GTK: GTK_PRINT_DUPLEX_VERTICAL
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*
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*
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* Notice that the GTK and Windows constants have opposite meanings for
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* VERTICAL and HORIZONTAL.
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*
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* To make matters more confusing, these platform-specific terms describe different
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* behavior (from the user's perspective) depending on whether the sheet is in
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* portrait vs. landscape orientation.
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*
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* For example, the generic term "tumble" describes behavior where a sheet flips over
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* a binding on the top edge (like a calendar). This requires that the back side of
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* the sheet is printed upside down with respect to the front side of the sheet,
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* so that its content appears upright to the reader when they tumble-flip the
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* sheet over the top-edge binding.
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*
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* However, the CUPS/macOS Tumble setting only inverts the back side of the
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* sheet in portrait orientation. When you switch to landscape orientation, the
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* Tumble setting behaves like a book-like sheet flip, where the front and back
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* sides of the sheet are both printed upright with respect to each other.
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*
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* This is why it is more consistent and more clear to think of these terms
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* with regard to sheets being bound on the long edge or the short edge.
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*
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* kDuplexFlipOnLongEdge + Portrait = book-like flip (front/back same direction)
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* kDuplexFlipOnLongEdge + Landscape = calendar-like flip (front/back inverted)
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*
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* kDuplexFlipOnShortEdge + Portrait = calendar-like flip (front/back inverted)
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* kDuplexFlipOnShortEdge + Landscape = book-like flip (front/back same direction)
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*
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* The long-edge and short-edge terminology unfortunately breaks down when printing
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* with square sheet dimensions. Thankfully this edge case (hah) is quite uncommon,
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* since most standard printing paper dimensions are not square. Such a paper size
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* would even break the uniformly used portrait and landscape terminology.
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*/
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const short kDuplexNone = 0;
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const short kDuplexFlipOnLongEdge = 1;
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const short kDuplexFlipOnShortEdge = 2;
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/**
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* Get the page size in twips, considering the
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* orientation (portrait or landscape).
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*/
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void GetEffectivePageSize(out double aWidth, out double aHeight);
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/**
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* Get the printed sheet size in twips, considering both the user-specified
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* orientation (portrait or landscape) *as well as* the fact that we might be
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* inverting the orientation to account for 2 or 6 pages-per-sheet.
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*
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* This API will usually behave the same (& return the same thing) as
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* GetEffectivePageSize, *except for* when we are printing with 2 or 6
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* pages-per-sheet, in which case the return values (aWidth & aHeight) will
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* be swapped with respect to what GetEffectivePageSize would return.
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*
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* Callers should use this method rather than GetEffectivePageSize when they
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* really do want the size of the sheet of paper to be printed, rather than
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* the possibly-"virtualized"-via-pages-per-sheet page size.
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*/
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[noscript, notxpcom, nostdcall] void GetEffectiveSheetSize(out double aWidth,
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out double aHeight);
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/**
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* Get the orientation of a printed sheet. This is usually the same as the
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* 'orientation' attribute (which is the orientation of individual pages),
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* except when we're printing with 2 or 6 pages-per-sheet, in which case
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* it'll be the opposite value.
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*
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* Note that this value is not independently settable. Its value is fully
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* determined by the 'orientation' and 'numPagesPerSheet' attributes.
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*/
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[noscript, notxpcom, nostdcall] long GetSheetOrientation();
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/**
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* Convenience getter, which returns true IFF the value of `numPagesPerSheet`
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* would require us to orient the pages orthogonally to the sheet in order
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* to make best use of the space on the sheet. Specifically, this returns
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* true IFF `numPagesPerSheet` is set to 2 or 6 pages-per-sheet.
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*/
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[noscript, notxpcom, nostdcall] boolean HasOrthogonalPagesPerSheet();
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/**
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* Makes a new copy
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*/
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nsIPrintSettings clone();
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/**
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* Assigns the internal values from the "in" arg to the current object
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*/
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void assign(in nsIPrintSettings aPS);
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/**
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* Returns true if the settings will result in an equivalent preview and
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* therefore print. The printer name is ignored and it allows for a small
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* delta in sizes to allow for rounding differences.
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*/
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boolean equivalentTo(in nsIPrintSettings aPrintSettings);
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/**
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* The edge measurements define the positioning of the headers
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* and footers on the page. They're treated as an offset from the edges of
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* the page, but are forced to be at least the "unwriteable margin"
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* (described below).
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*/
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attribute double edgeTop; /* these are in inches */
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attribute double edgeLeft;
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attribute double edgeBottom;
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attribute double edgeRight;
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/**
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* The margins define the positioning of the content on the page.
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* and footers on the page. They're treated as an offset from the edges of
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* the page, but are forced to be at least the "unwriteable margin," unless
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* set to be ignored (described below).
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*/
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attribute double marginTop; /* these are in inches */
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attribute double marginLeft;
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attribute double marginBottom;
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attribute double marginRight;
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/**
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* The unwriteable margin defines the printable region of the paper.
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*/
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attribute double unwriteableMarginTop; /* these are in inches */
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attribute double unwriteableMarginLeft;
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attribute double unwriteableMarginBottom;
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attribute double unwriteableMarginRight;
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attribute double scaling; /* values 0.0 - 1.0 */
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[infallible] attribute boolean printBGColors; /* Print Background Colors */
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[infallible] attribute boolean printBGImages; /* Print Background Images */
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/**
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* Whether @page rule margins should be honored or not. If the @page
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* rule sets its margins to zero, we automatically ignore unwriteable
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* margins, but nonzero values will be clamped to unwriteable margins.
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*/
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[infallible] attribute boolean honorPageRuleMargins;
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/**
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* Whether @page rule size should be used for the output paper size.
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*/
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[infallible] attribute boolean usePageRuleSizeAsPaperSize;
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/**
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* Whether unwritable margins should be ignored. This should be set when
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* when the user explicitly requests "Margins: None", e.g. for documents
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* where accurate scaling matters. Note: While `honorPageRuleMargins` and
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* this flag can't be set at the same time through the UI, doing so will
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* cause even the nonzero @page rule margins to ignore unwriteable margins.
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*/
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[infallible] attribute boolean ignoreUnwriteableMargins;
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/** Whether to draw guidelines showing the margin settings */
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[infallible] attribute boolean showMarginGuides;
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/** Whether to only print the selected nodes */
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[infallible] attribute boolean printSelectionOnly;
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attribute AString title;
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attribute AString docURL;
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attribute AString headerStrLeft;
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attribute AString headerStrCenter;
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attribute AString headerStrRight;
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attribute AString footerStrLeft;
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attribute AString footerStrCenter;
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attribute AString footerStrRight;
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attribute boolean printSilent; /* print without putting up the dialog */
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[infallible] attribute boolean shrinkToFit; /* shrinks content to fit on page */
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/* Additional XP Related */
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attribute AString paperId; /* identifier of paper (not display name) */
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attribute double paperWidth; /* width of the paper in inches or mm */
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attribute double paperHeight; /* height of the paper in inches or mm */
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attribute short paperSizeUnit; /* paper is in inches or mm */
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attribute boolean printReversed;
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[infallible] attribute boolean printInColor; /* a false means grayscale */
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attribute long orientation; /* see orientation consts */
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attribute long numCopies;
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/**
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* For numPagesPerSheet, we support these values: 1, 2, 4, 6, 9, 16.
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*
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* Unsupported values will be treated internally as 1 page per sheet, and
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* will trigger assertion failures in debug builds.
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*/
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attribute long numPagesPerSheet;
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/** Output device information */
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[infallible] attribute nsIPrintSettings_OutputDestinationType outputDestination;
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[infallible] attribute short outputFormat;
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/**
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* If outputDestination==kOutputDestinationPrinter, this is set to the name
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* of the printer that the print output should be saved to, but only in the
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* parent process (we don't want to leak printer names to potentially
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* compromised content processes).
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*/
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attribute AString printerName;
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/**
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* If outputDestination==kOutputDestinationFile, this is set to the path
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* of the file that the print output should be saved to, but only in the
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* parent process (we don't want to leak system paths to potentially
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* compromised content processes).
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*/
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attribute AString toFileName;
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attribute nsIOutputStream outputStream; /* for kOutputDestinationStream */
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[infallible] attribute long printPageDelay; /* in milliseconds */
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[infallible] attribute long resolution; /* print resolution (dpi) */
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[infallible] attribute long duplex; /* duplex mode */
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/* initialize helpers */
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/**
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* This attribute tracks whether the PS has been initialized
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* from a printer specified by the "printerName" attr.
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* If a different name is set into the "printerName"
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* attribute than the one it was initialized with the PS
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* will then get initialized from that printer.
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*/
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attribute boolean isInitializedFromPrinter;
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/**
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* This attribute tracks whether the PS has been initialized
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* from prefs. If a different name is set into the "printerName"
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* attribute than the one it was initialized with the PS
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* will then get initialized from prefs again.
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*/
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attribute boolean isInitializedFromPrefs;
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/* C++ Helper Functions */
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[noscript] void SetMarginInTwips(in nsNativeIntMarginRef aMargin);
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[noscript] void SetEdgeInTwips(in nsNativeIntMarginRef aEdge);
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[noscript, notxpcom, nostdcall] nsNativeIntMargin GetMarginInTwips();
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[noscript, notxpcom, nostdcall] nsNativeIntMargin GetEdgeInTwips();
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/**
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* Sets/Gets the "unwriteable margin" for the page format. This defines
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* the boundary from which we'll measure the EdgeInTwips and MarginInTwips
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* attributes, to place the headers and content, respectively.
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*
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* Note: Implementations of SetUnwriteableMarginInTwips should handle
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* negative margin values by falling back on the system default for
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* that margin.
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*/
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[noscript] void SetUnwriteableMarginInTwips(in nsNativeIntMarginRef aEdge);
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[noscript, notxpcom, nostdcall] nsNativeIntMargin GetUnwriteableMarginInTwips();
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/**
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* Get more accurate print ranges from the superior interval
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* (startPageRange, endPageRange). The aPages array is populated with a
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* list of pairs (start, end), where the endpoints are included. The print
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* ranges (start, end), must not overlap and must be in the
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* (startPageRange, endPageRange) scope.
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*
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* If there are no print ranges the aPages array is empty.
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*/
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attribute Array<long> pageRanges;
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/**
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* Get a PrintSettingsInitializer populated with the relevant current settings.
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*/
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[notxpcom, nostdcall] PrintSettingsInitializer getSettingsInitializer();
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%{C++
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static bool IsPageSkipped(int32_t aPageNum, const nsTArray<int32_t>& aRanges);
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%}
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};
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%{ C++
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already_AddRefed<nsIPrintSettings> CreatePlatformPrintSettings(const mozilla::PrintSettingsInitializer&);
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%}
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