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+/* -*- Mode: C++; tab-width: 2; 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/. */
+
+/* Interface to the Service for gwetting the Global PrintSettings object
+ or a unique PrintSettings object
+*/
+
+#include "nsISupports.idl"
+
+interface nsIPrintSettings;
+
+%{ C++
+namespace mozilla {
+namespace embedding {
+ class PrintData;
+}
+}
+%}
+
+/**
+ * Native types
+ */
+[ref] native PrintDataRef(const mozilla::embedding::PrintData);
+[ptr] native PrintDataPtr(mozilla::embedding::PrintData);
+
+[scriptable, uuid(841387C8-72E6-484b-9296-BF6EEA80D58A)]
+interface nsIPrintSettingsService : nsISupports
+{
+ /**
+ * Returns the default print settings as used for printing.
+ */
+ [noscript] readonly attribute nsIPrintSettings defaultPrintSettingsForPrinting;
+
+ /**
+ * Creates a new nsIPrintSettings object.
+ *
+ * Initializes the settings object from the unprefixed printer
+ * (Note: this may not happen if there is an OS specific implementation.)
+ */
+ nsIPrintSettings createNewPrintSettings();
+
+ /**
+ * The name of the last printer used. Note that this may not be set, or may
+ * no longer be a valid printer. The caller is responsible for checking and
+ * falling back to some other printer (such as the system default printer).
+ *
+ * XXX: make it [infallible] when AString supports that (bug 1491187).
+ */
+ readonly attribute AString lastUsedPrinterName;
+
+ /**
+ * Initializes certain settings from the native printer into the PrintSettings
+ * if aPrinterName is null then it uses the default printer name if it can
+ * These settings include, but are not limited to:
+ * Page Orientation
+ * Page Size
+ * Number of Copies
+ */
+ void initPrintSettingsFromPrinter(in AString aPrinterName,
+ in nsIPrintSettings aPrintSettings);
+
+ /**
+ * Reads PrintSettings values from Prefs,
+ * the values to be read are indicated by the "flags" arg.
+ *
+ * aPrintSettings should be initialized with the name of a printer. First
+ * it reads in the PrintSettings from the last print job. Then it uses the
+ * PrinterName in the PrinterSettings to read any settings that were saved
+ * just for that printer.
+ *
+ * aPS - PrintSettings to have its settings read
+ * aUsePrinterNamePrefix - indicates whether to use the printer name as a prefix
+ * aFlags - indicates which prefs to read, see nsIPrintSettings.idl for the
+ * const values.
+ *
+ * Items not read:
+ * startPageRange, endPageRange, scaling, printRange, title
+ * docURL, isCancelled,
+ * printSilent, shrinkToFit, numCopies,
+ * printerName
+ *
+ */
+ void initPrintSettingsFromPrefs(in nsIPrintSettings aPrintSettings, in boolean aUsePrinterNamePrefix, in unsigned long aFlags);
+
+ /**
+ * As long as the pref print.save_print_settings isn't set to false, this
+ * saves to prefs the settings from aPrintSettings that are indicated by
+ * aFlags.
+ *
+ * If there is no PrinterName in the PrinterSettings
+ * the values are saved as the "generic" values not associated with any printer.
+ * If a PrinterName is there, then it saves the items qualified for that Printer
+ *
+ * aPS - PrintSettings to have its settings saved
+ * aFlags - indicates which prefs to save, see nsIPrintSettings.idl for the const values.
+ *
+ * Items not written:
+ * startPageRange, endPageRange, scaling, printRange, title
+ * docURL, isCancelled,
+ * printSilent, shrinkToFit, numCopies
+ *
+ */
+ void maybeSavePrintSettingsToPrefs(in nsIPrintSettings aPrintSettings, in unsigned long aFlags);
+
+ /**
+ * As long as the pref print.save_print_settings isn't set to false, this
+ * saves the given printer name as the last used printer name.
+ */
+ void maybeSaveLastUsedPrinterNameToPrefs(in AString aPrinterName);
+
+ /**
+ * Given some nsIPrintSettings,
+ * populates a PrintData representing them which can be sent over IPC. Values
+ * are only ever read from aSettings and aWBP.
+ *
+ * @param aSettings
+ * An nsIPrintSettings for a print job.
+ * @param data
+ * Pointer to a pre-existing PrintData to populate.
+ *
+ * @return nsresult
+ */
+ [noscript]
+ void SerializeToPrintData(in nsIPrintSettings aPrintSettings,
+ in PrintDataPtr data);
+
+ /**
+ * This function is the opposite of SerializeToPrintData, in that it takes
+ * a PrintData, and populates a pre-existing nsIPrintSettings with the data
+ * from PrintData.
+ *
+ * @param PrintData
+ * Printing information sent through IPC.
+ * @param settings
+ * A pre-existing nsIPrintSettings to populate with the PrintData.
+ *
+ * @return nsresult
+ */
+ [noscript]
+ void DeserializeToPrintSettings(in PrintDataRef data,
+ in nsIPrintSettings aPrintSettings);
+
+};
+
+%{C++
+// {841387C8-72E6-484b-9296-BF6EEA80D58A}
+#define NS_PRINTSETTINGSSERVICE_IID \
+ {0x841387c8, 0x72e6, 0x484b, { 0x92, 0x96, 0xbf, 0x6e, 0xea, 0x80, 0xd5, 0x8a}}
+%}