зеркало из https://github.com/mozilla/gecko-dev.git
111 строки
3.5 KiB
C++
111 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "nsIPrintProgressParams.h"
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#include "nsIStringBundle.h"
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#include "nsIWidget.h"
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#include "nsPrintObject.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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extern mozilla::LazyLogModule gPrintingLog;
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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),
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mPrintDocList(0),
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mIsParentAFrameSet(false),
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mOnStartSent(false),
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mIsAborted(false),
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mPreparingForPrint(false),
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mShrinkToFit(false),
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mNumPrintablePages(0),
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mShrinkRatio(1.0) {}
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nsPrintData::~nsPrintData() {
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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) {
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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 && mPrintDC->IsCurrentlyPrintingDocument()) {
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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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}
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void nsPrintData::OnStartPrinting() {
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if (!mOnStartSent) {
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DoOnProgressChange(0, 0, true,
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nsIWebProgressListener::STATE_START |
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nsIWebProgressListener::STATE_IS_DOCUMENT |
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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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DoOnProgressChange(100, 100, true,
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nsIWebProgressListener::STATE_STOP |
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nsIWebProgressListener::STATE_IS_DOCUMENT);
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DoOnProgressChange(100, 100, true,
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nsIWebProgressListener::STATE_STOP |
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nsIWebProgressListener::STATE_IS_NETWORK);
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}
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void nsPrintData::DoOnProgressChange(int32_t aProgress, int32_t aMaxProgress,
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bool aDoStartStop, int32_t aFlag) {
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size_t numberOfListeners = mPrintProgressListeners.Length();
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for (size_t i = 0; i < numberOfListeners; ++i) {
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nsCOMPtr<nsIWebProgressListener> listener =
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mPrintProgressListeners.SafeElementAt(i);
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if (NS_WARN_IF(!listener)) {
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continue;
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}
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listener->OnProgressChange(nullptr, nullptr, aProgress, aMaxProgress,
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aProgress, aMaxProgress);
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if (aDoStartStop) {
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listener->OnStateChange(nullptr, nullptr, aFlag, NS_OK);
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}
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}
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}
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void nsPrintData::DoOnStatusChange(nsresult aStatus) {
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size_t numberOfListeners = mPrintProgressListeners.Length();
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for (size_t i = 0; i < numberOfListeners; ++i) {
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nsCOMPtr<nsIWebProgressListener> listener =
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mPrintProgressListeners.SafeElementAt(i);
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if (NS_WARN_IF(!listener)) {
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continue;
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}
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listener->OnStatusChange(nullptr, nullptr, aStatus, nullptr);
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}
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}
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