1 files changed, 53 insertions, 0 deletions
diff --git a/widget/windows/nsPrinterWin.h b/widget/windows/nsPrinterWin.h
new file mode 100644
index 0000000000..8afcf14d0e
--- /dev/null
+++ b/widget/windows/nsPrinterWin.h
@@ -0,0 +1,53 @@
+/* -*- 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_