зеркало из https://github.com/mozilla/gecko-dev.git
89 строки
3.0 KiB
C++
89 строки
3.0 KiB
C++
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsPrintSettingsService_h
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#define nsPrintSettingsService_h
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#include "mozilla/embedding/PPrinting.h"
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#include "nsCOMPtr.h"
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#include "nsIPrintSettings.h"
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#include "nsIPrintSettingsService.h"
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#include "nsString.h"
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#include "nsFont.h"
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/**
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* Class nsPrintSettingsService. Base class for the platform specific widget
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* subclasses to inherit from.
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*/
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class nsPrintSettingsService : public nsIPrintSettingsService {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPRINTSETTINGSSERVICE
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nsPrintSettingsService() = default;
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/**
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* method Init
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* Initializes member variables. Every consumer that does manual
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* creation (instead of do_CreateInstance) needs to call this method
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* immediately after instantiation.
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*/
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virtual nsresult Init();
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private:
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// Copying is not supported.
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nsPrintSettingsService(const nsPrintSettingsService& x) = delete;
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nsPrintSettingsService& operator=(const nsPrintSettingsService& x) = delete;
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protected:
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virtual ~nsPrintSettingsService() = default;
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void ReadBitFieldPref(const char* aPrefId, int32_t anOption);
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void WriteBitFieldPref(const char* aPrefId, int32_t anOption);
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void ReadJustification(const char* aPrefId, int16_t& aJust,
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int16_t aInitValue);
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void WriteJustification(const char* aPrefId, int16_t aJust);
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bool ReadInchesToTwipsPref(const char* aPrefId, int32_t& aTwips);
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void WriteInchesFromTwipsPref(const char* aPrefId, int32_t aTwips);
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bool ReadInchesIntToTwipsPref(const char* aPrefId, int32_t& aTwips);
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void WriteInchesIntFromTwipsPref(const char* aPrefId, int32_t aTwips);
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nsresult ReadPrefDouble(const char* aPrefId, double& aVal);
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nsresult WritePrefDouble(const char* aPrefId, double aVal);
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/**
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* method ReadPrefs
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* @param aPS a pointer to the printer settings
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* @param aPrinterName the name of the printer for which to read prefs
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* @param aFlags flag specifying which prefs to read
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*/
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virtual nsresult ReadPrefs(nsIPrintSettings* aPS,
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const nsAString& aPrinterName, uint32_t aFlags);
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/**
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* method WritePrefs
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* @param aPS a pointer to the printer settings
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* @param aPrinterName the name of the printer for which to write prefs
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* @param aFlags flag specifying which prefs to read
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*/
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virtual nsresult WritePrefs(nsIPrintSettings* aPS,
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const nsAString& aPrinterName, uint32_t aFlags);
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const char* GetPrefName(const char* aPrefName, const nsAString& aPrinterName);
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/**
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* method _CreatePrintSettings
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* May be implemented by the platform-specific derived class
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*
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* @return printer settings instance
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*/
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virtual nsresult _CreatePrintSettings(nsIPrintSettings** _retval) = 0;
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// Members
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nsCString mPrefName;
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};
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#endif // nsPrintSettingsService_h
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