widget/windows/nsDeviceContextSpecWin.h

   1 /* -*- Mode: C++; tab-width: 2; 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 nsDeviceContextSpecWin_h___
   7 #define nsDeviceContextSpecWin_h___
   8
   9 #include "nsCOMPtr.h"
  10 #include "nsIDeviceContextSpec.h"
  11 #include "nsPrinterListBase.h"
  12 #include "nsIPrintSettings.h"
  13 #include <windows.h>
  14 #include "mozilla/Attributes.h"
  15 #include "mozilla/RefPtr.h"
  16 #include "mozilla/gfx/PrintPromise.h"
  17
  18 class nsIFile;
  19 class nsIWidget;
  20
  21 class nsDeviceContextSpecWin : public nsIDeviceContextSpec {
  22  public:
  23   nsDeviceContextSpecWin();
  24
  25   NS_DECL_ISUPPORTS
  26
  27   already_AddRefed<PrintTarget> MakePrintTarget() final;
  28   NS_IMETHOD BeginDocument(const nsAString& aTitle,
  29                            const nsAString& aPrintToFileName,
  30                            int32_t aStartPage, int32_t aEndPage) override {
  31     return NS_OK;
  32   }
  33   RefPtr<mozilla::gfx::PrintEndDocumentPromise> EndDocument() override;
  34   NS_IMETHOD BeginPage() override { return NS_OK; }
  35   NS_IMETHOD EndPage() override { return NS_OK; }
  36
  37   NS_IMETHOD Init(nsIPrintSettings* aPS, bool aIsPrintPreview) override;
  38
  39   void GetDriverName(nsAString& aDriverName) const {
  40     aDriverName = mDriverName;
  41   }
  42   void GetDeviceName(nsAString& aDeviceName) const {
  43     aDeviceName = mDeviceName;
  44   }
  45
  46   // The GetDevMode will return a pointer to a DevMode
  47   // whether it is from the Global memory handle or just the DevMode
  48   // To get the DevMode from the Global memory Handle it must lock it
  49   // So this call must be paired with a call to UnlockGlobalHandle
  50   void GetDevMode(LPDEVMODEW& aDevMode);
  51
  52   // helper functions
  53   nsresult GetDataFromPrinter(const nsAString& aName,
  54                               nsIPrintSettings* aPS = nullptr);
  55
  56  protected:
  57   void SetDeviceName(const nsAString& aDeviceName);
  58   void SetDriverName(const nsAString& aDriverName);
  59   void SetDevMode(LPDEVMODEW aDevMode);
  60
  61   virtual ~nsDeviceContextSpecWin();
  62
  63   nsString mDriverName;
  64   nsString mDeviceName;
  65   LPDEVMODEW mDevMode = nullptr;
  66
  67   int16_t mOutputFormat = nsIPrintSettings::kOutputFormatNative;
  68
  69   // A temporary file to create an "anonymous" print target. See bug 1664253,
  70   // this should ideally not be needed.
  71   nsCOMPtr<nsIFile> mTempFile;
  72 };
  73
  74 //-------------------------------------------------------------------------
  75 // Printer List
  76 //-------------------------------------------------------------------------
  77 class nsPrinterListWin final : public nsPrinterListBase {
  78  public:
  79   NS_IMETHOD InitPrintSettingsFromPrinter(const nsAString&,
  80                                           nsIPrintSettings*) final;
  81
  82   nsTArray<PrinterInfo> Printers() const final;
  83   RefPtr<nsIPrinter> CreatePrinter(PrinterInfo) const final;
  84
  85   nsPrinterListWin() = default;
  86
  87  protected:
  88   nsresult SystemDefaultPrinterName(nsAString&) const final;
  89
  90   mozilla::Maybe<PrinterInfo> PrinterByName(nsString) const final;
  91   mozilla::Maybe<PrinterInfo> PrinterBySystemName(
  92       nsString aPrinterName) const final;
  93
  94  private:
  95   ~nsPrinterListWin();
  96 };
  97
  98 #endif