widget/xpwidgets/nsPrintOptionsImpl.h

   1 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsPrintOptionsImpl_h__
   8 #define nsPrintOptionsImpl_h__
   9
  10 #include "nsCOMPtr.h"
  11 #include "nsIPrintOptions.h"
  12 #include "nsIPrintSettingsService.h"
  13 #include "nsString.h"
  14 #include "nsFont.h"
  15
  16 /**
  17  *   Class nsPrintOptions
  18  */
  19 class nsPrintOptions : public nsIPrintOptions,
  20                        public nsIPrintSettingsService
  21 {
  22 public:
  23   NS_DECL_ISUPPORTS
  24   NS_DECL_NSIPRINTOPTIONS
  25   NS_DECL_NSIPRINTSETTINGSSERVICE
  26
  27   /**
  28    * method Init
  29    *  Initializes member variables. Every consumer that does manual
  30    *  creation (instead of do_CreateInstance) needs to call this method
  31    *  immediately after instantiation.
  32    */
  33   virtual nsresult Init();
  34
  35   nsPrintOptions();
  36   virtual ~nsPrintOptions();
  37
  38 protected:
  39   void ReadBitFieldPref(const char * aPrefId, int32_t anOption);
  40   void WriteBitFieldPref(const char * aPrefId, int32_t anOption);
  41   void ReadJustification(const char * aPrefId, int16_t& aJust,
  42                          int16_t aInitValue);
  43   void WriteJustification(const char * aPrefId, int16_t aJust);
  44   void ReadInchesToTwipsPref(const char * aPrefId, int32_t&  aTwips,
  45                              const char * aMarginPref);
  46   void WriteInchesFromTwipsPref(const char * aPrefId, int32_t aTwips);
  47   void ReadInchesIntToTwipsPref(const char * aPrefId, int32_t&  aTwips,
  48                                 const char * aMarginPref);
  49   void WriteInchesIntFromTwipsPref(const char * aPrefId, int32_t aTwips);
  50
  51   nsresult ReadPrefDouble(const char * aPrefId, double& aVal);
  52   nsresult WritePrefDouble(const char * aPrefId, double aVal);
  53
  54   /**
  55    * method ReadPrefs
  56    * @param aPS          a pointer to the printer settings
  57    * @param aPrinterName the name of the printer for which to read prefs
  58    * @param aFlags       flag specifying which prefs to read
  59    */
  60   virtual nsresult ReadPrefs(nsIPrintSettings* aPS, const nsAString&
  61                              aPrinterName, uint32_t aFlags);
  62   /**
  63    * method WritePrefs
  64    * @param aPS          a pointer to the printer settings
  65    * @param aPrinterName the name of the printer for which to write prefs
  66    * @param aFlags       flag specifying which prefs to read
  67    */
  68   virtual nsresult WritePrefs(nsIPrintSettings* aPS, const nsAString& aPrefName,
  69                               uint32_t aFlags);
  70   const char* GetPrefName(const char *     aPrefName,
  71                           const nsAString&  aPrinterName);
  72
  73   /**
  74    * method _CreatePrintSettings
  75    *   May be implemented by the platform-specific derived class
  76    *
  77    * @return             printer settings instance
  78    */
  79   virtual nsresult _CreatePrintSettings(nsIPrintSettings **_retval);
  80
  81   // Members
  82   nsCOMPtr<nsIPrintSettings> mGlobalPrintSettings;
  83
  84   nsCString mPrefName;
  85
  86 private:
  87   // These are not supported and are not implemented!
  88   nsPrintOptions(const nsPrintOptions& x);
  89   nsPrintOptions& operator=(const nsPrintOptions& x);
  90 };
  91
  92 #endif /* nsPrintOptionsImpl_h__ */