Bug 1688354 [wpt PR 27298] - Treat 'rem' as an absolute unit for font size, a=testonly
[gecko.git] / widget / nsIPrintSettings.idl
blob28f833d3ac98215ceba62130f486297ab7dadffb
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #include "nsISupports.idl"
9 %{ C++
10 #include "nsMargin.h"
11 #include "nsTArray.h"
14 /**
15 * Native types
17 native nsNativeIntMargin(nsIntMargin);
18 [ref] native nsNativeIntMarginRef(nsIntMargin);
20 interface nsIPrintSession;
22 /**
23 * Simplified graphics interface for JS rendering.
25 [scriptable, builtinclass, uuid(ecc5cbad-57fc-4731-b0bd-09e865bd62ad)]
26 interface nsIPrintSettings : nsISupports
28 /**
29 * PrintSettings to be Saved Navigation Constants
31 /* Flag 0x00000001 is unused */
32 const unsigned long kInitSaveHeaderLeft = 0x00000002;
33 const unsigned long kInitSaveHeaderCenter = 0x00000004;
34 const unsigned long kInitSaveHeaderRight = 0x00000008;
35 const unsigned long kInitSaveFooterLeft = 0x00000010;
36 const unsigned long kInitSaveFooterCenter = 0x00000020;
37 const unsigned long kInitSaveFooterRight = 0x00000040;
38 const unsigned long kInitSaveBGColors = 0x00000080;
39 const unsigned long kInitSaveBGImages = 0x00000100;
40 const unsigned long kInitSavePaperSize = 0x00000200;
41 const unsigned long kInitSaveResolution = 0x00000400;
42 const unsigned long kInitSaveDuplex = 0x00000800;
43 /* Flag 0x00001000 is unused */
44 /* Flag 0x00002000 is unused */
45 const unsigned long kInitSaveUnwriteableMargins = 0x00004000;
46 const unsigned long kInitSaveEdges = 0x00008000;
48 const unsigned long kInitSaveReversed = 0x00010000;
49 const unsigned long kInitSaveInColor = 0x00020000;
50 const unsigned long kInitSaveOrientation = 0x00040000;
52 const unsigned long kInitSavePrinterName = 0x00100000;
53 const unsigned long kInitSavePrintToFile = 0x00200000;
54 const unsigned long kInitSaveToFileName = 0x00400000;
55 const unsigned long kInitSavePageDelay = 0x00800000;
56 const unsigned long kInitSaveMargins = 0x01000000;
57 const unsigned long kInitSaveNativeData = 0x02000000;
59 const unsigned long kInitSaveShrinkToFit = 0x08000000;
60 const unsigned long kInitSaveScaling = 0x10000000;
62 const unsigned long kInitSaveAll = 0xFFFFFFFF;
64 /* Justification Enums */
65 const long kJustLeft = 0;
66 const long kJustCenter = 1;
67 const long kJustRight = 2;
69 /**
70 * Page Size Unit Constants
72 const short kPaperSizeInches = 0;
73 const short kPaperSizeMillimeters = 1;
75 /**
76 * Orientation Constants
78 const short kPortraitOrientation = 0;
79 const short kLandscapeOrientation = 1;
81 /**
82 * Output file format
84 const short kOutputFormatNative = 0;
85 const short kOutputFormatPS = 1;
86 const short kOutputFormatPDF = 2;
88 /**
89 * Simplex/Duplex printing options
91 const short kSimplex = 0;
92 const short kDuplexHorizontal = 1;
93 const short kDuplexVertical = 2;
95 /**
96 * Get the page size in twips, considering the
97 * orientation (portrait or landscape).
99 void GetEffectivePageSize(out double aWidth, out double aHeight);
102 * Get the printed sheet size in twips, considering both the user-specified
103 * orientation (portrait or landscape) *as well as* the fact that we might be
104 * inverting the orientation to account for 2 or 6 pages-per-sheet.
106 * This API will usually behave the same (& return the same thing) as
107 * GetEffectivePageSize, *except for* when we are printing with 2 or 6
108 * pages-per-sheet, in which case the return values (aWidth & aHeight) will
109 * be swapped with respect to what GetEffectivePageSize would return.
111 * Callers should use this method rather than GetEffectivePageSize when they
112 * really do want the size of the sheet of paper to be printed, rather than
113 * the possibly-"virtualized"-via-pages-per-sheet page size.
115 [noscript, notxpcom, nostdcall] void GetEffectiveSheetSize(out double aWidth,
116 out double aHeight);
119 * Get the orientation of a printed sheet. This is usually the same as the
120 * 'orientation' attribute (which is the orientation of individual pages),
121 * except when we're printing with 2 or 6 pages-per-sheet, in which case
122 * it'll be the opposite value.
124 * Note that this value is not independently settable. Its value is fully
125 * determined by the 'orientation' and 'numPagesPerSheet' attributes.
127 [noscript, notxpcom, nostdcall] long GetSheetOrientation();
130 * Convenience getter, which returns true IFF the sheet orientation and the
131 * page orientation are orthogonal. (In other words, returns true IFF we
132 * are printing with 2 or 6 pages-per-sheet.)
134 [noscript, notxpcom, nostdcall] bool HasOrthogonalSheetsAndPages();
137 * Makes a new copy
139 nsIPrintSettings clone();
142 * Assigns the internal values from the "in" arg to the current object
144 void assign(in nsIPrintSettings aPS);
147 * Data Members
149 [noscript] attribute nsIPrintSession printSession; /* We hold a weak reference */
152 * The edge measurements define the positioning of the headers
153 * and footers on the page. They're treated as an offset from the edges of
154 * the page, but are forced to be at least the "unwriteable margin"
155 * (described below).
157 attribute double edgeTop; /* these are in inches */
158 attribute double edgeLeft;
159 attribute double edgeBottom;
160 attribute double edgeRight;
163 * The margins define the positioning of the content on the page.
164 * and footers on the page. They're treated as an offset from the edges of
165 * the page, but are forced to be at least the "unwriteable margin"
166 * (described below).
168 attribute double marginTop; /* these are in inches */
169 attribute double marginLeft;
170 attribute double marginBottom;
171 attribute double marginRight;
173 * The unwriteable margin defines the printable region of the paper.
175 attribute double unwriteableMarginTop; /* these are in inches */
176 attribute double unwriteableMarginLeft;
177 attribute double unwriteableMarginBottom;
178 attribute double unwriteableMarginRight;
180 attribute double scaling; /* values 0.0 - 1.0 */
181 [infallible] attribute boolean printBGColors; /* Print Background Colors */
182 [infallible] attribute boolean printBGImages; /* Print Background Images */
184 /** Whether @page rule margins should be honored or not. */
185 [infallible] attribute boolean honorPageRuleMargins;
187 /** Whether to draw guidelines showing the margin settings */
188 [infallible] attribute boolean showMarginGuides;
190 /** Whether whether the "print selection" radio button should be enabled
191 * in the UI (i.e. whether there is an active selection) */
192 [infallible] attribute boolean isPrintSelectionRBEnabled;
194 /** Whether to only print the selected nodes */
195 [infallible] attribute boolean printSelectionOnly;
197 attribute AString title;
198 attribute AString docURL;
200 attribute AString headerStrLeft;
201 attribute AString headerStrCenter;
202 attribute AString headerStrRight;
204 attribute AString footerStrLeft;
205 attribute AString footerStrCenter;
206 attribute AString footerStrRight;
208 attribute boolean isCancelled; /* indicates whether the print job has been cancelled */
209 readonly attribute boolean saveOnCancel; /* indicates whether the print settings should be saved after a cancel */
210 attribute boolean printSilent; /* print without putting up the dialog */
211 attribute boolean shrinkToFit; /* shrinks content to fit on page */
212 attribute boolean showPrintProgress; /* indicates whether the progress dialog should be shown */
214 /* Additional XP Related */
215 attribute AString paperId; /* identifier of paper (not display name) */
216 attribute double paperWidth; /* width of the paper in inches or mm */
217 attribute double paperHeight; /* height of the paper in inches or mm */
218 attribute short paperSizeUnit; /* paper is in inches or mm */
220 attribute boolean printReversed;
221 [infallible] attribute boolean printInColor; /* a false means grayscale */
222 attribute long orientation; /* see orientation consts */
223 attribute long numCopies;
226 * For numPagesPerSheet, we support these values: 1, 2, 4, 6, 9, 16.
228 * Unsupported values will be treated internally as 1 page per sheet, and
229 * will trigger assertion failures in debug builds.
231 attribute long numPagesPerSheet;
233 attribute AString printerName; /* name of destination printer */
235 attribute boolean printToFile;
236 attribute AString toFileName;
237 attribute short outputFormat;
239 attribute long printPageDelay; /* in milliseconds */
241 attribute long resolution; /* print resolution (dpi) */
243 attribute long duplex; /* duplex mode */
245 /* initialize helpers */
247 * This attribute tracks whether the PS has been initialized
248 * from a printer specified by the "printerName" attr.
249 * If a different name is set into the "printerName"
250 * attribute than the one it was initialized with the PS
251 * will then get intialized from that printer.
253 attribute boolean isInitializedFromPrinter;
256 * This attribute tracks whether the PS has been initialized
257 * from prefs. If a different name is set into the "printerName"
258 * attribute than the one it was initialized with the PS
259 * will then get intialized from prefs again.
261 attribute boolean isInitializedFromPrefs;
263 /* C++ Helper Functions */
264 [noscript] void SetMarginInTwips(in nsNativeIntMarginRef aMargin);
265 [noscript] void SetEdgeInTwips(in nsNativeIntMarginRef aEdge);
266 [noscript, notxpcom, nostdcall] nsNativeIntMargin GetMarginInTwips();
267 [noscript, notxpcom, nostdcall] nsNativeIntMargin GetEdgeInTwips();
270 * We call this function so that anything that requires a run of the event loop
271 * can do so safely. The print dialog runs the event loop but in silent printing
272 * that doesn't happen.
274 * Either this or ShowPrintDialog (but not both) MUST be called by the print engine
275 * before printing, otherwise printing can fail on some platforms.
277 [noscript] void SetupSilentPrinting();
280 * Sets/Gets the "unwriteable margin" for the page format. This defines
281 * the boundary from which we'll measure the EdgeInTwips and MarginInTwips
282 * attributes, to place the headers and content, respectively.
284 * Note: Implementations of SetUnwriteableMarginInTwips should handle
285 * negative margin values by falling back on the system default for
286 * that margin.
288 [noscript] void SetUnwriteableMarginInTwips(in nsNativeIntMarginRef aEdge);
289 [noscript, notxpcom, nostdcall] nsNativeIntMargin GetUnwriteableMarginInTwips();
292 * Get more accurate print ranges from the superior interval
293 * (startPageRange, endPageRange). The aPages array is populated with a
294 * list of pairs (start, end), where the endpoints are included. The print
295 * ranges (start, end), must not overlap and must be in the
296 * (startPageRange, endPageRange) scope.
298 * If there are no print ranges the aPages array is empty.
300 attribute Array<long> pageRanges;
302 %{C++
303 static bool IsPageSkipped(int32_t aPageNum, const nsTArray<int32_t>& aRanges);
307 %{ C++
308 namespace mozilla {
309 struct PrintSettingsInitializer;
312 already_AddRefed<nsIPrintSettings> CreatePlatformPrintSettings(const mozilla::PrintSettingsInitializer&);