widget/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 "mozilla/embedding/PPrinting.h"
  11 #include "nsCOMPtr.h"
  12 #include "nsIPrintOptions.h"
  13 #include "nsIPrintSettingsService.h"
  14 #include "nsString.h"
  15 #include "nsFont.h"
  16
  17 class nsIPrintSettings;
  18 class nsIWebBrowserPrint;
  19
  20 /**
  21  *   Class nsPrintOptions
  22  */
  23 class nsPrintOptions : public nsIPrintOptions,
  24                        public nsIPrintSettingsService
  25 {
  26 public:
  27   NS_DECL_ISUPPORTS
  28   NS_DECL_NSIPRINTOPTIONS
  29   NS_DECL_NSIPRINTSETTINGSSERVICE
  30
  31   /**
  32    * method Init
  33    *  Initializes member variables. Every consumer that does manual
  34    *  creation (instead of do_CreateInstance) needs to call this method
  35    *  immediately after instantiation.
  36    */
  37   virtual nsresult Init();
  38
  39   nsPrintOptions();
  40
  41 protected:
  42   virtual ~nsPrintOptions();
  43
  44   void ReadBitFieldPref(const char * aPrefId, int32_t anOption);
  45   void WriteBitFieldPref(const char * aPrefId, int32_t anOption);
  46   void ReadJustification(const char * aPrefId, int16_t& aJust,
  47                          int16_t aInitValue);
  48   void WriteJustification(const char * aPrefId, int16_t aJust);
  49   void ReadInchesToTwipsPref(const char * aPrefId, int32_t&  aTwips,
  50                              const char * aMarginPref);
  51   void WriteInchesFromTwipsPref(const char * aPrefId, int32_t aTwips);
  52   void ReadInchesIntToTwipsPref(const char * aPrefId, int32_t&  aTwips,
  53                                 const char * aMarginPref);
  54   void WriteInchesIntFromTwipsPref(const char * aPrefId, int32_t aTwips);
  55
  56   nsresult ReadPrefDouble(const char * aPrefId, double& aVal);
  57   nsresult WritePrefDouble(const char * aPrefId, double aVal);
  58
  59   /**
  60    * method ReadPrefs
  61    * @param aPS          a pointer to the printer settings
  62    * @param aPrinterName the name of the printer for which to read prefs
  63    * @param aFlags       flag specifying which prefs to read
  64    */
  65   virtual nsresult ReadPrefs(nsIPrintSettings* aPS, const nsAString&
  66                              aPrinterName, uint32_t aFlags);
  67   /**
  68    * method WritePrefs
  69    * @param aPS          a pointer to the printer settings
  70    * @param aPrinterName the name of the printer for which to write prefs
  71    * @param aFlags       flag specifying which prefs to read
  72    */
  73   virtual nsresult WritePrefs(nsIPrintSettings* aPS, const nsAString& aPrefName,
  74                               uint32_t aFlags);
  75   const char* GetPrefName(const char *     aPrefName,
  76                           const nsAString&  aPrinterName);
  77
  78   /**
  79    * method _CreatePrintSettings
  80    *   May be implemented by the platform-specific derived class
  81    *
  82    * @return             printer settings instance
  83    */
  84   virtual nsresult _CreatePrintSettings(nsIPrintSettings **_retval);
  85
  86   // Members
  87   nsCOMPtr<nsIPrintSettings> mGlobalPrintSettings;
  88
  89   nsCString mPrefName;
  90
  91 private:
  92   // These are not supported and are not implemented!
  93   nsPrintOptions(const nsPrintOptions& x);
  94   nsPrintOptions& operator=(const nsPrintOptions& x);
  95 };
  96
  97 #endif /* nsPrintOptionsImpl_h__ */