зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
4.2 KiB
C++
135 строки
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsPrintData.h"
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#include "nsIStringBundle.h"
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#include "nsIServiceManager.h"
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#include "nsPrintObject.h"
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#include "nsPrintPreviewListener.h"
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#include "nsIWebProgressListener.h"
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#include "mozilla/Services.h"
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//-----------------------------------------------------
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// PR LOGGING
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#include "mozilla/Logging.h"
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#define DUMP_LAYOUT_LEVEL 9 // this turns on the dumping of each doucment's layout info
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static mozilla::LazyLogModule gPrintingLog("printing");
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#define PR_PL(_p1) MOZ_LOG(gPrintingLog, mozilla::LogLevel::Debug, _p1);
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//---------------------------------------------------
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//-- nsPrintData Class Impl
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//---------------------------------------------------
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nsPrintData::nsPrintData(ePrintDataType aType) :
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mType(aType), mDebugFilePtr(nullptr), mPrintObject(nullptr), mSelectedPO(nullptr),
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mPrintDocList(0), mIsIFrameSelected(false),
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mIsParentAFrameSet(false), mOnStartSent(false),
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mIsAborted(false), mPreparingForPrint(false), mDocWasToBeDestroyed(false),
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mShrinkToFit(false), mPrintFrameType(nsIPrintSettings::kFramesAsIs),
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mNumPrintablePages(0), mNumPagesPrinted(0),
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mShrinkRatio(1.0), mOrigDCScale(1.0), mPPEventListeners(nullptr),
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mBrandName(nullptr)
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{
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MOZ_COUNT_CTOR(nsPrintData);
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nsCOMPtr<nsIStringBundle> brandBundle;
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nsCOMPtr<nsIStringBundleService> svc =
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mozilla::services::GetStringBundleService();
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if (svc) {
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svc->CreateBundle( "chrome://branding/locale/brand.properties", getter_AddRefs( brandBundle ) );
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if (brandBundle) {
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brandBundle->GetStringFromName(u"brandShortName", &mBrandName );
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}
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}
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if (!mBrandName) {
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mBrandName = ToNewUnicode(NS_LITERAL_STRING("Mozilla Document"));
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}
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}
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nsPrintData::~nsPrintData()
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{
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MOZ_COUNT_DTOR(nsPrintData);
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// remove the event listeners
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if (mPPEventListeners) {
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mPPEventListeners->RemoveListeners();
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NS_RELEASE(mPPEventListeners);
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}
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// Only Send an OnEndPrinting if we have started printing
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if (mOnStartSent && mType != eIsPrintPreview) {
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OnEndPrinting();
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}
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if (mPrintDC && !mDebugFilePtr) {
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PR_PL(("****************** End Document ************************\n"));
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PR_PL(("\n"));
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bool isCancelled = false;
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mPrintSettings->GetIsCancelled(&isCancelled);
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nsresult rv = NS_OK;
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if (mType == eIsPrinting) {
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if (!isCancelled && !mIsAborted) {
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rv = mPrintDC->EndDocument();
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} else {
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rv = mPrintDC->AbortDocument();
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}
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if (NS_FAILED(rv)) {
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// XXX nsPrintData::ShowPrintErrorDialog(rv);
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}
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}
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}
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delete mPrintObject;
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if (mBrandName) {
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free(mBrandName);
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}
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}
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void nsPrintData::OnStartPrinting()
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{
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if (!mOnStartSent) {
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DoOnProgressChange(0, 0, true, nsIWebProgressListener::STATE_START|nsIWebProgressListener::STATE_IS_DOCUMENT|nsIWebProgressListener::STATE_IS_NETWORK);
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mOnStartSent = true;
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}
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}
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void nsPrintData::OnEndPrinting()
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{
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DoOnProgressChange(100, 100, true, nsIWebProgressListener::STATE_STOP|nsIWebProgressListener::STATE_IS_DOCUMENT);
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DoOnProgressChange(100, 100, true, nsIWebProgressListener::STATE_STOP|nsIWebProgressListener::STATE_IS_NETWORK);
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}
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void
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nsPrintData::DoOnProgressChange(int32_t aProgress,
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int32_t aMaxProgress,
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bool aDoStartStop,
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int32_t aFlag)
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{
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for (int32_t i=0;i<mPrintProgressListeners.Count();i++) {
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nsIWebProgressListener* wpl = mPrintProgressListeners.ObjectAt(i);
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wpl->OnProgressChange(nullptr, nullptr, aProgress, aMaxProgress, aProgress, aMaxProgress);
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if (aDoStartStop) {
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wpl->OnStateChange(nullptr, nullptr, aFlag, NS_OK);
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}
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}
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}
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void
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nsPrintData::DoOnStatusChange(nsresult aStatus)
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{
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uint32_t numberOfListeners = mPrintProgressListeners.Length();
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for (uint32_t i = 0; i < numberOfListeners; ++i) {
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nsIWebProgressListener* listener = mPrintProgressListeners.SafeElementAt(i);
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if (listener) {
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listener->OnStatusChange(nullptr, nullptr, aStatus, nullptr);
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}
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}
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}
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