DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (5b81998bb7ab)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
/* -*- 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/. */

#include "nsPrintData.h"

#include "nsIStringBundle.h"
#include "nsIServiceManager.h"
#include "nsPrintObject.h"
#include "nsPrintPreviewListener.h"
#include "nsIWebProgressListener.h"
#include "mozilla/Services.h"

//-----------------------------------------------------
// PR LOGGING
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG /* Allow logging in the release build */
#endif

#include "prlog.h"

#ifdef PR_LOGGING
#define DUMP_LAYOUT_LEVEL 9 // this turns on the dumping of each doucment's layout info
static PRLogModuleInfo * kPrintingLogMod = PR_NewLogModule("printing");
#define PR_PL(_p1)  PR_LOG(kPrintingLogMod, PR_LOG_DEBUG, _p1);
#else
#define PRT_YESNO(_p)
#define PR_PL(_p1)
#endif

//---------------------------------------------------
//-- nsPrintData Class Impl
//---------------------------------------------------
nsPrintData::nsPrintData(ePrintDataType aType) :
  mType(aType), mDebugFilePtr(nullptr), mPrintObject(nullptr), mSelectedPO(nullptr),
  mPrintDocList(0), mIsIFrameSelected(false),
  mIsParentAFrameSet(false), mOnStartSent(false),
  mIsAborted(false), mPreparingForPrint(false), mDocWasToBeDestroyed(false),
  mShrinkToFit(false), mPrintFrameType(nsIPrintSettings::kFramesAsIs), 
  mNumPrintablePages(0), mNumPagesPrinted(0),
  mShrinkRatio(1.0), mOrigDCScale(1.0), mPPEventListeners(NULL), 
  mBrandName(nullptr)
{
  MOZ_COUNT_CTOR(nsPrintData);
  nsCOMPtr<nsIStringBundle> brandBundle;
  nsCOMPtr<nsIStringBundleService> svc =
    mozilla::services::GetStringBundleService();
  if (svc) {
    svc->CreateBundle( "chrome://branding/locale/brand.properties", getter_AddRefs( brandBundle ) );
    if (brandBundle) {
      brandBundle->GetStringFromName(NS_LITERAL_STRING("brandShortName").get(), &mBrandName );
    }
  }

  if (!mBrandName) {
    mBrandName = ToNewUnicode(NS_LITERAL_STRING("Mozilla Document"));
  }

}

nsPrintData::~nsPrintData()
{
  MOZ_COUNT_DTOR(nsPrintData);
  // remove the event listeners
  if (mPPEventListeners) {
    mPPEventListeners->RemoveListeners();
    NS_RELEASE(mPPEventListeners);
  }

  // Only Send an OnEndPrinting if we have started printing
  if (mOnStartSent && mType != eIsPrintPreview) {
    OnEndPrinting();
  }

  if (mPrintDC && !mDebugFilePtr) {
    PR_PL(("****************** End Document ************************\n"));
    PR_PL(("\n"));
    bool isCancelled = false;
    mPrintSettings->GetIsCancelled(&isCancelled);

    nsresult rv = NS_OK;
    if (mType == eIsPrinting) {
      if (!isCancelled && !mIsAborted) {
        rv = mPrintDC->EndDocument();
      } else {
        rv = mPrintDC->AbortDocument();  
      }
      if (NS_FAILED(rv)) {
        // XXX nsPrintData::ShowPrintErrorDialog(rv);
      }
    }
  }

  delete mPrintObject;

  if (mBrandName) {
    NS_Free(mBrandName);
  }
}

void nsPrintData::OnStartPrinting()
{
  if (!mOnStartSent) {
    DoOnProgressChange(0, 0, true, nsIWebProgressListener::STATE_START|nsIWebProgressListener::STATE_IS_DOCUMENT|nsIWebProgressListener::STATE_IS_NETWORK);
    mOnStartSent = true;
  }
}

void nsPrintData::OnEndPrinting()
{
  DoOnProgressChange(100, 100, true, nsIWebProgressListener::STATE_STOP|nsIWebProgressListener::STATE_IS_DOCUMENT);
  DoOnProgressChange(100, 100, true, nsIWebProgressListener::STATE_STOP|nsIWebProgressListener::STATE_IS_NETWORK);
}

void
nsPrintData::DoOnProgressChange(int32_t      aProgress,
                                int32_t      aMaxProgress,
                                bool         aDoStartStop,
                                int32_t      aFlag)
{
  for (int32_t i=0;i<mPrintProgressListeners.Count();i++) {
    nsIWebProgressListener* wpl = mPrintProgressListeners.ObjectAt(i);
    wpl->OnProgressChange(nullptr, nullptr, aProgress, aMaxProgress, aProgress, aMaxProgress);
    if (aDoStartStop) {
      wpl->OnStateChange(nullptr, nullptr, aFlag, NS_OK);
    }
  }
}