nsPrinterWin.h - mozsearch

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/* -*- Mode: C++; 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 nsPrinterWin_h_

#define nsPrinterWin_h_

#include "nsPrinterBase.h"

#include "mozilla/DataMutex.h"

#include "nsTArrayForwardDeclare.h"

class nsPrinterWin final : public nsPrinterBase {

 public:

  NS_IMETHOD GetName(nsAString& aName) override;

  NS_IMETHOD GetSystemName(nsAString& aName) override;

  NS_IMETHOD CopyFromWithValidation(nsIPrintSettings*, JSContext*,

                                    Promise**) final;

  bool SupportsDuplex() const final;

  bool SupportsColor() const final;

  bool SupportsMonochrome() const final;

  bool SupportsCollation() const final;

  PrinterInfo CreatePrinterInfo() const final;

  MarginDouble GetMarginsForPaper(nsString aPaperId) const final;

  nsPrinterWin() = delete;

  static already_AddRefed<nsPrinterWin> Create(

      const mozilla::CommonPaperInfoArray* aPaperInfoArray,

      const nsAString& aName);

 private:

  nsPrinterWin(const mozilla::CommonPaperInfoArray* aPaperInfoArray,

               const nsAString& aName);

  ~nsPrinterWin() = default;

  PrintSettingsInitializer GetValidatedSettings(

      PrintSettingsInitializer aSettingsToValidate) const;

  nsTArray<uint8_t> CopyDefaultDevmodeW() const;

  nsTArray<mozilla::PaperInfo> PaperList() const;

  PrintSettingsInitializer DefaultSettings() const;

  const nsString mName;

  mutable mozilla::DataMutex<nsTArray<uint8_t>> mDefaultDevmodeWStorage;

  // Even though some documentation seems to suggest that you should be able to

  // use printer drivers on separate threads if you have separate handles, we

  // see threading issues with multiple drivers. This Mutex is used to lock

  // around all calls to DeviceCapabilitiesW, DocumentPropertiesW and

  // CreateICW/DCW, to hopefully prevent these issues.

  mutable mozilla::Mutex mDriverMutex MOZ_UNANNOTATED{"nsPrinterWin::Driver"};

};

#endif  // nsPrinterWin_h_