import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

widget/windows/nsDeviceContextSpecWin.h

@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 2; 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 nsDeviceContextSpecWin_h___
+#define nsDeviceContextSpecWin_h___
+
+#include "nsCOMPtr.h"
+#include "nsIDeviceContextSpec.h"
+#include "nsIPrinterEnumerator.h"
+#include "nsIPrintSettings.h"
+#include "nsISupportsPrimitives.h"
+#include <windows.h>
+#include "mozilla/Attributes.h"
+#include "mozilla/RefPtr.h"
+
+class nsIWidget;
+
+class nsDeviceContextSpecWin : public nsIDeviceContextSpec
+{
+public:
+  nsDeviceContextSpecWin();
+
+  NS_DECL_ISUPPORTS
+
+  virtual already_AddRefed<PrintTarget> MakePrintTarget() final;
+  NS_IMETHOD BeginDocument(const nsAString& aTitle,
+                           const nsAString& aPrintToFileName,
+                           int32_t          aStartPage,
+                           int32_t          aEndPage) override { return NS_OK; }
+  NS_IMETHOD EndDocument() override { return NS_OK; }
+  NS_IMETHOD BeginPage() override { return NS_OK; }
+  NS_IMETHOD EndPage() override { return NS_OK; }
+
+  NS_IMETHOD Init(nsIWidget* aWidget, nsIPrintSettings* aPS, bool aIsPrintPreview) override;
+
+  float GetDPI() final;
+
+  float GetPrintingScale() final;
+
+  void GetDriverName(wchar_t *&aDriverName) const   { aDriverName = mDriverName;     }
+  void GetDeviceName(wchar_t *&aDeviceName) const   { aDeviceName = mDeviceName;     }
+
+  // The GetDevMode will return a pointer to a DevMode
+  // whether it is from the Global memory handle or just the DevMode
+  // To get the DevMode from the Global memory Handle it must lock it 
+  // So this call must be paired with a call to UnlockGlobalHandle
+  void GetDevMode(LPDEVMODEW &aDevMode);
+
+  // helper functions
+  nsresult GetDataFromPrinter(char16ptr_t aName, nsIPrintSettings* aPS = nullptr);
+
+protected:
+
+  void SetDeviceName(char16ptr_t aDeviceName);
+  void SetDriverName(char16ptr_t aDriverName);
+  void SetDevMode(LPDEVMODEW aDevMode);
+
+  virtual ~nsDeviceContextSpecWin();
+
+  wchar_t*      mDriverName;
+  wchar_t*      mDeviceName;
+  LPDEVMODEW mDevMode;
+
+  nsCOMPtr<nsIPrintSettings> mPrintSettings;
+  int16_t mOutputFormat = nsIPrintSettings::kOutputFormatNative;
+};
+
+
+//-------------------------------------------------------------------------
+// Printer Enumerator
+//-------------------------------------------------------------------------
+class nsPrinterEnumeratorWin final : public nsIPrinterEnumerator
+{
+  ~nsPrinterEnumeratorWin();
+
+public:
+  nsPrinterEnumeratorWin();
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIPRINTERENUMERATOR
+};
+
+#endif