The Tor Browser: widget/cocoa/nsDeviceContextSpecX.mm@7e26c7da4463

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     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/. */

     6 #include "nsDeviceContextSpecX.h"

     8 #include "nsCRT.h"

     9 #include <unistd.h>

    11 #include "nsAutoPtr.h"

    12 #include "nsIServiceManager.h"

    13 #include "nsIPrintOptions.h"

    14 #include "nsPrintSettingsX.h"

    16 #include "gfxQuartzSurface.h"

    18 // This must be the last include:

    19 #include "nsObjCExceptions.h"

    21 nsDeviceContextSpecX::nsDeviceContextSpecX()

    22 : mPrintSession(NULL)

    23 , mPageFormat(kPMNoPageFormat)

    24 , mPrintSettings(kPMNoPrintSettings)

    25 {

    26 }

    28 nsDeviceContextSpecX::~nsDeviceContextSpecX()

    29 {

    30   NS_OBJC_BEGIN_TRY_ABORT_BLOCK;

    32   if (mPrintSession)

    33     ::PMRelease(mPrintSession);

    35   NS_OBJC_END_TRY_ABORT_BLOCK;

    36 }

    38 NS_IMPL_ISUPPORTS(nsDeviceContextSpecX, nsIDeviceContextSpec)

    40 NS_IMETHODIMP nsDeviceContextSpecX::Init(nsIWidget *aWidget,

    41                                          nsIPrintSettings* aPS,

    42                                          bool aIsPrintPreview)

    43 {

    44   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;

    46   nsRefPtr<nsPrintSettingsX> settings(do_QueryObject(aPS));

    47   if (!settings)

    48     return NS_ERROR_NO_INTERFACE;

    50   mPrintSession = settings->GetPMPrintSession();

    51   ::PMRetain(mPrintSession);

    52   mPageFormat = settings->GetPMPageFormat();

    53   mPrintSettings = settings->GetPMPrintSettings();

    55   return NS_OK;

    57   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;

    58 }

    60 NS_IMETHODIMP nsDeviceContextSpecX::BeginDocument(const nsAString& aTitle,

    61                                                   char16_t*       aPrintToFileName,

    62                                                   int32_t          aStartPage,

    63                                                   int32_t          aEndPage)

    64 {

    65     NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;

    67     if (!aTitle.IsEmpty()) {

    68       CFStringRef cfString =

    69         ::CFStringCreateWithCharacters(NULL, reinterpret_cast<const UniChar*>(aTitle.BeginReading()),

    70                                              aTitle.Length());

    71       if (cfString) {

    72         ::PMPrintSettingsSetJobName(mPrintSettings, cfString);

    73         ::CFRelease(cfString);

    74       }

    75     }

    77     OSStatus status;

    78     status = ::PMSetFirstPage(mPrintSettings, aStartPage, false);

    79     NS_ASSERTION(status == noErr, "PMSetFirstPage failed");

    80     status = ::PMSetLastPage(mPrintSettings, aEndPage, false);

    81     NS_ASSERTION(status == noErr, "PMSetLastPage failed");

    83     status = ::PMSessionBeginCGDocumentNoDialog(mPrintSession, mPrintSettings, mPageFormat);

    84     if (status != noErr)

    85       return NS_ERROR_ABORT;

    87     return NS_OK;

    89     NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;

    90 }

    92 NS_IMETHODIMP nsDeviceContextSpecX::EndDocument()

    93 {

    94     NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;

    96     ::PMSessionEndDocumentNoDialog(mPrintSession);

    97     return NS_OK;

    99     NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;

   100 }

   102 NS_IMETHODIMP nsDeviceContextSpecX::BeginPage()

   103 {

   104     NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;

   106     PMSessionError(mPrintSession);

   107     OSStatus status = ::PMSessionBeginPageNoDialog(mPrintSession, mPageFormat, NULL);

   108     if (status != noErr) return NS_ERROR_ABORT;

   109     return NS_OK;

   111     NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;

   112 }

   114 NS_IMETHODIMP nsDeviceContextSpecX::EndPage()

   115 {

   116     NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;

   118     OSStatus status = ::PMSessionEndPageNoDialog(mPrintSession);

   119     if (status != noErr) return NS_ERROR_ABORT;

   120     return NS_OK;

   122     NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;

   123 }

   125 void nsDeviceContextSpecX::GetPaperRect(double* aTop, double* aLeft, double* aBottom, double* aRight)

   126 {

   127     NS_OBJC_BEGIN_TRY_ABORT_BLOCK;

   129     PMRect paperRect;

   130     ::PMGetAdjustedPaperRect(mPageFormat, &paperRect);

   132     *aTop = paperRect.top, *aLeft = paperRect.left;

   133     *aBottom = paperRect.bottom, *aRight = paperRect.right;

   135     NS_OBJC_END_TRY_ABORT_BLOCK;

   136 }

   138 NS_IMETHODIMP nsDeviceContextSpecX::GetSurfaceForPrinter(gfxASurface **surface)

   139 {

   140     NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;

   142     double top, left, bottom, right;

   143     GetPaperRect(&top, &left, &bottom, &right);

   144     const double width = right - left;

   145     const double height = bottom - top;

   147     CGContextRef context;

   148     ::PMSessionGetCGGraphicsContext(mPrintSession, &context);

   150     nsRefPtr<gfxASurface> newSurface;

   152     if (context) {

   153         // Initially, origin is at bottom-left corner of the paper.

   154         // Here, we translate it to top-left corner of the paper.

   155         CGContextTranslateCTM(context, 0, height);

   156         CGContextScaleCTM(context, 1.0, -1.0);

   157         newSurface = new gfxQuartzSurface(context, gfxSize(width, height), true);

   158     } else {

   159         newSurface = new gfxQuartzSurface(gfxSize((int32_t)width, (int32_t)height), gfxImageFormat::ARGB32, true);

   160     }

   162     if (!newSurface)

   163         return NS_ERROR_FAILURE;

   165     *surface = newSurface;

   166     NS_ADDREF(*surface);

   168     return NS_OK;

   170     NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;

   171 }

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