gecko-dev/layout/printing/nsPrintData.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* decision by deleting the provisions above and replace them with the notice
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* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
#include "nsPrintData.h"
#include "nsIStringBundle.h"
#include "nsIServiceManager.h"
#include "nsPrintObject.h"
#include "nsPrintPreviewListener.h"
#include "nsIWebProgressListener.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(nsnull), mPrintObject(nsnull), mSelectedPO(nsnull),
mPrintDocList(nsnull), mIsIFrameSelected(PR_FALSE),
mIsParentAFrameSet(PR_FALSE), mOnStartSent(PR_FALSE),
mIsAborted(PR_FALSE), mPreparingForPrint(PR_FALSE), mDocWasToBeDestroyed(PR_FALSE),
mShrinkToFit(PR_FALSE), mPrintFrameType(nsIPrintSettings::kFramesAsIs),
mNumPrintablePages(0), mNumPagesPrinted(0),
mShrinkRatio(1.0), mOrigDCScale(1.0), mPPEventListeners(NULL),
mBrandName(nsnull)
{
nsCOMPtr<nsIStringBundle> brandBundle;
nsCOMPtr<nsIStringBundleService> svc( do_GetService( NS_STRINGBUNDLE_CONTRACTID ) );
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()
{
// 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"));
PRBool isCancelled = PR_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 (mPrintDocList != nsnull) {
mPrintDocList->Clear();
delete mPrintDocList;
}
if (mBrandName) {
NS_Free(mBrandName);
}
}
void nsPrintData::OnStartPrinting()
{
if (!mOnStartSent) {
DoOnProgressChange(0, 0, PR_TRUE, nsIWebProgressListener::STATE_START|nsIWebProgressListener::STATE_IS_DOCUMENT);
mOnStartSent = PR_TRUE;
}
}
void nsPrintData::OnEndPrinting()
{
DoOnProgressChange(100, 100, PR_TRUE, nsIWebProgressListener::STATE_STOP|nsIWebProgressListener::STATE_IS_DOCUMENT);
}
void
nsPrintData::DoOnProgressChange(PRInt32 aProgess,
PRInt32 aMaxProgress,
PRBool aDoStartStop,
PRInt32 aFlag)
{
if (aProgess == 0) return;
for (PRInt32 i=0;i<mPrintProgressListeners.Count();i++) {
nsIWebProgressListener* wpl = mPrintProgressListeners.ObjectAt(i);
wpl->OnProgressChange(nsnull, nsnull, aProgess, aMaxProgress, aProgess, aMaxProgress);
if (aDoStartStop) {
wpl->OnStateChange(nsnull, nsnull, aFlag, 0);
}
}
}