/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 *

 * 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/. */

#ifndef nsPrintSettingsService_h

#define nsPrintSettingsService_h

#include "mozilla/embedding/PPrinting.h"

#include "nsCOMPtr.h"

#include "nsIPrintSettingsService.h"

#include "nsString.h"

#include "nsFont.h"

class nsIPrintSettings;

/**

 * Class nsPrintSettingsService.  Base class for the platform specific widget

 * subclasses to inherit from.

 */

class nsPrintSettingsService : public nsIPrintSettingsService

{

public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSIPRINTSETTINGSSERVICE

  nsPrintSettingsService() {}

  /**

   * method Init

   *  Initializes member variables. Every consumer that does manual

   *  creation (instead of do_CreateInstance) needs to call this method

   *  immediately after instantiation.

   */

  virtual nsresult Init();

private:

  // Copying is not supported.

  nsPrintSettingsService(const nsPrintSettingsService& x) = delete;

  nsPrintSettingsService& operator=(const nsPrintSettingsService& x) = delete;

protected:

  virtual ~nsPrintSettingsService() {}

  void ReadBitFieldPref(const char * aPrefId, int32_t anOption);

  void WriteBitFieldPref(const char * aPrefId, int32_t anOption);

  void ReadJustification(const char * aPrefId, int16_t& aJust,

                         int16_t aInitValue);

  void WriteJustification(const char * aPrefId, int16_t aJust);

  void ReadInchesToTwipsPref(const char * aPrefId, int32_t&  aTwips,

                             const char * aMarginPref);

  void WriteInchesFromTwipsPref(const char * aPrefId, int32_t aTwips);

  void ReadInchesIntToTwipsPref(const char * aPrefId, int32_t&  aTwips,

                                const char * aMarginPref);

  void WriteInchesIntFromTwipsPref(const char * aPrefId, int32_t aTwips);

  nsresult ReadPrefDouble(const char * aPrefId, double& aVal);

  nsresult WritePrefDouble(const char * aPrefId, double aVal);

  /**

   * method ReadPrefs

   * @param aPS          a pointer to the printer settings

   * @param aPrinterName the name of the printer for which to read prefs

   * @param aFlags       flag specifying which prefs to read

   */

  virtual nsresult ReadPrefs(nsIPrintSettings* aPS,

                             const nsAString& aPrinterName,

                             uint32_t aFlags);

  /**

   * method WritePrefs

   * @param aPS          a pointer to the printer settings

   * @param aPrinterName the name of the printer for which to write prefs

   * @param aFlags       flag specifying which prefs to read

   */

  virtual nsresult WritePrefs(nsIPrintSettings* aPS,

                              const nsAString& aPrinterName,

                              uint32_t aFlags);

  const char* GetPrefName(const char* aPrefName,

                          const nsAString&  aPrinterName);

  /**

   * method _CreatePrintSettings

   *   May be implemented by the platform-specific derived class

   *

   * @return             printer settings instance

   */

  virtual nsresult _CreatePrintSettings(nsIPrintSettings **_retval);

  // Members

  nsCOMPtr<nsIPrintSettings> mGlobalPrintSettings;

  nsCString mPrefName;

};

#endif // nsPrintSettingsService_h