The Tor Browser: layout/printing/nsPrintData.cpp@8bccb770b82d

     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/. */

     6 #include "nsPrintData.h"

     8 #include "nsIStringBundle.h"

     9 #include "nsIServiceManager.h"

    10 #include "nsPrintObject.h"

    11 #include "nsPrintPreviewListener.h"

    12 #include "nsIWebProgressListener.h"

    13 #include "mozilla/Services.h"

    15 //-----------------------------------------------------

    16 // PR LOGGING

    17 #ifdef MOZ_LOGGING

    18 #define FORCE_PR_LOG /* Allow logging in the release build */

    19 #endif

    21 #include "prlog.h"

    23 #ifdef PR_LOGGING

    24 #define DUMP_LAYOUT_LEVEL 9 // this turns on the dumping of each doucment's layout info

    25 static PRLogModuleInfo *

    26 GetPrintingLog()

    27 {

    28   static PRLogModuleInfo *sLog;

    29   if (!sLog)

    30     sLog = PR_NewLogModule("printing");

    31   return sLog;

    32 }

    33 #define PR_PL(_p1)  PR_LOG(GetPrintingLog(), PR_LOG_DEBUG, _p1);

    34 #else

    35 #define PRT_YESNO(_p)

    36 #define PR_PL(_p1)

    37 #endif

    39 //---------------------------------------------------

    40 //-- nsPrintData Class Impl

    41 //---------------------------------------------------

    42 nsPrintData::nsPrintData(ePrintDataType aType) :

    43   mType(aType), mDebugFilePtr(nullptr), mPrintObject(nullptr), mSelectedPO(nullptr),

    44   mPrintDocList(0), mIsIFrameSelected(false),

    45   mIsParentAFrameSet(false), mOnStartSent(false),

    46   mIsAborted(false), mPreparingForPrint(false), mDocWasToBeDestroyed(false),

    47   mShrinkToFit(false), mPrintFrameType(nsIPrintSettings::kFramesAsIs),

    48   mNumPrintablePages(0), mNumPagesPrinted(0),

    49   mShrinkRatio(1.0), mOrigDCScale(1.0), mPPEventListeners(nullptr),

    50   mBrandName(nullptr)

    51 {

    52   MOZ_COUNT_CTOR(nsPrintData);

    53   nsCOMPtr<nsIStringBundle> brandBundle;

    54   nsCOMPtr<nsIStringBundleService> svc =

    55     mozilla::services::GetStringBundleService();

    56   if (svc) {

    57     svc->CreateBundle( "chrome://branding/locale/brand.properties", getter_AddRefs( brandBundle ) );

    58     if (brandBundle) {

    59       brandBundle->GetStringFromName(MOZ_UTF16("brandShortName"), &mBrandName );

    60     }

    61   }

    63   if (!mBrandName) {

    64     mBrandName = ToNewUnicode(NS_LITERAL_STRING("Mozilla Document"));

    65   }

    67 }

    69 nsPrintData::~nsPrintData()

    70 {

    71   MOZ_COUNT_DTOR(nsPrintData);

    72   // remove the event listeners

    73   if (mPPEventListeners) {

    74     mPPEventListeners->RemoveListeners();

    75     NS_RELEASE(mPPEventListeners);

    76   }

    78   // Only Send an OnEndPrinting if we have started printing

    79   if (mOnStartSent && mType != eIsPrintPreview) {

    80     OnEndPrinting();

    81   }

    83   if (mPrintDC && !mDebugFilePtr) {

    84     PR_PL(("****************** End Document ************************\n"));

    85     PR_PL(("\n"));

    86     bool isCancelled = false;

    87     mPrintSettings->GetIsCancelled(&isCancelled);

    89     nsresult rv = NS_OK;

    90     if (mType == eIsPrinting) {

    91       if (!isCancelled && !mIsAborted) {

    92         rv = mPrintDC->EndDocument();

    93       } else {

    94         rv = mPrintDC->AbortDocument();

    95       }

    96       if (NS_FAILED(rv)) {

    97         // XXX nsPrintData::ShowPrintErrorDialog(rv);

    98       }

    99     }

   100   }

   102   delete mPrintObject;

   104   if (mBrandName) {

   105     NS_Free(mBrandName);

   106   }

   107 }

   109 void nsPrintData::OnStartPrinting()

   110 {

   111   if (!mOnStartSent) {

   112     DoOnProgressChange(0, 0, true, nsIWebProgressListener::STATE_START|nsIWebProgressListener::STATE_IS_DOCUMENT|nsIWebProgressListener::STATE_IS_NETWORK);

   113     mOnStartSent = true;

   114   }

   115 }

   117 void nsPrintData::OnEndPrinting()

   118 {

   119   DoOnProgressChange(100, 100, true, nsIWebProgressListener::STATE_STOP|nsIWebProgressListener::STATE_IS_DOCUMENT);

   120   DoOnProgressChange(100, 100, true, nsIWebProgressListener::STATE_STOP|nsIWebProgressListener::STATE_IS_NETWORK);

   121 }

   123 void

   124 nsPrintData::DoOnProgressChange(int32_t      aProgress,

   125                                 int32_t      aMaxProgress,

   126                                 bool         aDoStartStop,

   127                                 int32_t      aFlag)

   128 {

   129   for (int32_t i=0;i<mPrintProgressListeners.Count();i++) {

   130     nsIWebProgressListener* wpl = mPrintProgressListeners.ObjectAt(i);

   131     wpl->OnProgressChange(nullptr, nullptr, aProgress, aMaxProgress, aProgress, aMaxProgress);

   132     if (aDoStartStop) {

   133       wpl->OnStateChange(nullptr, nullptr, aFlag, NS_OK);

   134     }

   135   }

   136 }

The Tor Browser / file revision

layout/printing/nsPrintData.cpp@8bccb770b82d

layout/printing/nsPrintData.cpp