widget/windows/nsPrinterWin.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsPrinterWin_h_
   7 #define nsPrinterWin_h_
   8
   9 #include "nsPrinterBase.h"
  10 #include "mozilla/DataMutex.h"
  11 #include "nsTArrayForwardDeclare.h"
  12
  13 class nsPrinterWin final : public nsPrinterBase {
  14  public:
  15   NS_IMETHOD GetName(nsAString& aName) override;
  16   NS_IMETHOD GetSystemName(nsAString& aName) override;
  17   NS_IMETHOD CopyFromWithValidation(nsIPrintSettings*, JSContext*,
  18                                     Promise**) final;
  19   bool SupportsDuplex() const final;
  20   bool SupportsColor() const final;
  21   bool SupportsMonochrome() const final;
  22   bool SupportsCollation() const final;
  23   PrinterInfo CreatePrinterInfo() const final;
  24   MarginDouble GetMarginsForPaper(nsString aPaperId) const final;
  25
  26   nsPrinterWin() = delete;
  27   static already_AddRefed<nsPrinterWin> Create(
  28       const mozilla::CommonPaperInfoArray* aPaperInfoArray,
  29       const nsAString& aName);
  30
  31  private:
  32   nsPrinterWin(const mozilla::CommonPaperInfoArray* aPaperInfoArray,
  33                const nsAString& aName);
  34   ~nsPrinterWin() = default;
  35
  36   PrintSettingsInitializer GetValidatedSettings(
  37       PrintSettingsInitializer aSettingsToValidate) const;
  38
  39   nsTArray<uint8_t> CopyDefaultDevmodeW() const;
  40   nsTArray<mozilla::PaperInfo> PaperList() const;
  41   PrintSettingsInitializer DefaultSettings() const;
  42
  43   const nsString mName;
  44   mutable mozilla::DataMutex<nsTArray<uint8_t>> mDefaultDevmodeWStorage;
  45   // Even though some documentation seems to suggest that you should be able to
  46   // use printer drivers on separate threads if you have separate handles, we
  47   // see threading issues with multiple drivers. This Mutex is used to lock
  48   // around all calls to DeviceCapabilitiesW, DocumentPropertiesW and
  49   // CreateICW/DCW, to hopefully prevent these issues.
  50   mutable mozilla::Mutex mDriverMutex MOZ_UNANNOTATED{"nsPrinterWin::Driver"};
  51 };
  52
  53 #endif  // nsPrinterWin_h_