/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* Interface to the Service for gwetting the Global PrintSettings object
   or a unique PrintSettings object
*/

#include "nsISupports.idl"

interface nsIPrintSettings;

[scriptable, uuid(841387C8-72E6-484b-9296-BF6EEA80D58A)]
interface nsIPrintSettingsService : nsISupports
{
  /**
   * Returns a "global" PrintSettings object 
   * Creates a new the first time, if one doesn't exist.
   *
   * Then returns the same object each time after that.
   *
   * Initializes the globalPrintSettings from the default printer
   */
  readonly attribute nsIPrintSettings globalPrintSettings;

  /**
   * Returns a new, unique PrintSettings object each time.
   *
   * For example, if each browser was to have its own unique
   * PrintSettings, then each browser window would call this to
   * create its own unique PrintSettings object.
   *
   * If each browse window was to use the same PrintSettings object
   * then it should use "globalPrintSettings"
   *
   * Initializes the newPrintSettings from the default printer
   *
   */
  readonly attribute nsIPrintSettings newPrintSettings;

  /**
   * The name of the default printer 
   */
  readonly attribute wstring defaultPrinterName;

  /**
   * 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 wstring aPrinterName, in nsIPrintSettings aPrintSettings);

  /**
   * Reads PrintSettings values from Prefs,
   * the values to be read are indicated by the "flags" arg.
   *
   * First it reads in the "generic" set of PrintSetings not associated with any printer
   * 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, howToEnableFrameUI, isCancelled, printFrameTypeUsage
   *   printFrameType, printSilent, shrinkToFit, numCopies
   *
   */
  void initPrintSettingsFromPrefs(in nsIPrintSettings aPrintSettings, in boolean aUsePrinterNamePrefix, in unsigned long aFlags);

  /**
   * Writes PrintSettings values to Prefs, 
   * the values to be written are indicated by the "flags" arg.
   *
   * 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
   * aUsePrinterNamePrefix - indicates whether to use the printer name as a prefix
   * aFlags - indicates which prefs to save, see nsIPrintSettings.idl for the const values.
   *
   * Items not written:
   *   startPageRange, endPageRange, scaling, printRange, title
   *   docURL, howToEnableFrameUI, isCancelled, printFrameTypeUsage
   *   printFrameType, printSilent, shrinkToFit, numCopies
   *
   */
  void savePrintSettingsToPrefs(in nsIPrintSettings aPrintSettings, in boolean aUsePrinterNamePrefix, in unsigned long aFlags);

};

%{C++
// {841387C8-72E6-484b-9296-BF6EEA80D58A}
#define NS_PRINTSETTINGSSERVICE_IID \
 {0x841387c8, 0x72e6, 0x484b, { 0x92, 0x96, 0xbf, 0x6e, 0xea, 0x80, 0xd5, 0x8a}}
%}
