mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
113 lines
2.8 KiB
C++
113 lines
2.8 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 "nsPagePrintTimer.h"
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#include "nsIContentViewer.h"
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#include "nsIServiceManager.h"
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#include "nsPrintEngine.h"
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NS_IMPL_ISUPPORTS_INHERITED1(nsPagePrintTimer, nsRunnable, nsITimerCallback)
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nsPagePrintTimer::~nsPagePrintTimer()
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{
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// "Destroy" the document viewer; this normally doesn't actually
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// destroy it because of the IncrementDestroyRefCount call below
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// XXX This is messy; the document viewer should use a single approach
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// to keep itself alive during printing
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nsCOMPtr<nsIContentViewer> cv(do_QueryInterface(mDocViewerPrint));
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if (cv) {
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cv->Destroy();
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}
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}
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nsresult
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nsPagePrintTimer::StartTimer(bool aUseDelay)
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{
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nsresult result;
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mTimer = do_CreateInstance("@mozilla.org/timer;1", &result);
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if (NS_FAILED(result)) {
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NS_WARNING("unable to start the timer");
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} else {
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uint32_t delay = 0;
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if (aUseDelay) {
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if (mFiringCount < 10) {
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// Longer delay for the few first pages.
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delay = mDelay + ((10 - mFiringCount) * 100);
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} else {
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delay = mDelay;
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}
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}
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mTimer->InitWithCallback(this, delay, nsITimer::TYPE_ONE_SHOT);
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}
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return result;
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}
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//nsRunnable
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NS_IMETHODIMP
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nsPagePrintTimer::Run()
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{
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bool initNewTimer = true;
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// Check to see if we are done
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// inRange will be true if a page is actually printed
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bool inRange;
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bool donePrinting;
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// donePrinting will be true if it completed successfully or
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// if the printing was cancelled
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donePrinting = mPrintEngine->PrintPage(mPrintObj, inRange);
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if (donePrinting) {
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// now clean up print or print the next webshell
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if (mPrintEngine->DonePrintingPages(mPrintObj, NS_OK)) {
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initNewTimer = false;
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}
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}
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// Note that the Stop() destroys this after the print job finishes
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// (The PrintEngine stops holding a reference when DonePrintingPages
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// returns true.)
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Stop();
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if (initNewTimer) {
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++mFiringCount;
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nsresult result = StartTimer(inRange);
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if (NS_FAILED(result)) {
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donePrinting = true; // had a failure.. we are finished..
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mPrintEngine->SetIsPrinting(false);
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}
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}
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return NS_OK;
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}
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// nsITimerCallback
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NS_IMETHODIMP
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nsPagePrintTimer::Notify(nsITimer *timer)
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{
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if (mDocViewerPrint) {
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bool donePrePrint = mPrintEngine->PrePrintPage();
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if (donePrePrint) {
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NS_DispatchToMainThread(this);
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}
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}
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return NS_OK;
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}
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nsresult
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nsPagePrintTimer::Start(nsPrintObject* aPO)
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{
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mPrintObj = aPO;
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return StartTimer(false);
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}
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void
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nsPagePrintTimer::Stop()
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{
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if (mTimer) {
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mTimer->Cancel();
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mTimer = nullptr;
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}
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}
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