1 files changed, 87 insertions, 0 deletions
diff --git a/widget/nsPrintSettingsService.h b/widget/nsPrintSettingsService.h
new file mode 100644
index 0000000000..43965455a1
--- /dev/null
+++ b/widget/nsPrintSettingsService.h
@@ -0,0 +1,87 @@
+/* -*- 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 "nsCOMPtr.h"
+#include "nsIPrintSettings.h"
+#include "nsIPrintSettingsService.h"
+#include "nsString.h"
+#include "nsFont.h"
+
+/**
+ * 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() = default;
+
+  /**
+   * 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() = default;
+
+  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);
+  bool ReadInchesToTwipsPref(const char* aPrefId, int32_t& aTwips);
+  void WriteInchesFromTwipsPref(const char* aPrefId, int32_t aTwips);
+  bool ReadInchesIntToTwipsPref(const char* aPrefId, int32_t& aTwips);
+  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) = 0;
+
+  // Members
+  nsCString mPrefName;
+};
+
+#endif  // nsPrintSettingsService_h