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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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140
layout/printing/nsPrintData.cpp Normal file
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/* -*- 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
#include "mozilla/Logging.h"
#define DUMP_LAYOUT_LEVEL 9 // this turns on the dumping of each doucment's layout info
static mozilla::LazyLogModule gPrintingLog("printing");
#define PR_PL(_p1) MOZ_LOG(gPrintingLog, mozilla::LogLevel::Debug, _p1);
//---------------------------------------------------
//-- 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(nullptr),
mBrandName(nullptr)
{
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(u"brandShortName", &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"));
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) {
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)
{
size_t numberOfListeners = mPrintProgressListeners.Length();
for (size_t i = 0; i < numberOfListeners; ++i) {
nsCOMPtr<nsIWebProgressListener> listener =
mPrintProgressListeners.SafeElementAt(i);
if (NS_WARN_IF(!listener)) {
continue;
}
listener->OnProgressChange(nullptr, nullptr, aProgress, aMaxProgress,
aProgress, aMaxProgress);
if (aDoStartStop) {
listener->OnStateChange(nullptr, nullptr, aFlag, NS_OK);
}
}
}
void
nsPrintData::DoOnStatusChange(nsresult aStatus)
{
size_t numberOfListeners = mPrintProgressListeners.Length();
for (size_t i = 0; i < numberOfListeners; ++i) {
nsCOMPtr<nsIWebProgressListener> listener =
mPrintProgressListeners.SafeElementAt(i);
if (NS_WARN_IF(!listener)) {
continue;
}
listener->OnStatusChange(nullptr, nullptr, aStatus, nullptr);
}
}