2002-08-21 16:01:05 +04:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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2004-04-18 01:52:36 +04:00
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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2002-08-21 16:01:05 +04:00
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*
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2004-04-18 01:52:36 +04:00
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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2002-08-21 16:01:05 +04:00
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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2004-04-18 01:52:36 +04:00
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* The Initial Developer of the Original Code is
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2002-08-21 16:01:05 +04:00
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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2004-04-18 01:52:36 +04:00
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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2002-08-21 16:01:05 +04:00
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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2004-04-18 01:52:36 +04:00
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* use your version of this file under the terms of the MPL, indicate your
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2002-08-21 16:01:05 +04:00
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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2004-04-18 01:52:36 +04:00
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* the terms of any one of the MPL, the GPL or the LGPL.
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2002-08-21 16:01:05 +04:00
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsPagePrintTimer.h"
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#include "nsIContentViewer.h"
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2002-09-07 09:38:16 +04:00
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#include "nsIServiceManager.h"
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#include "nsPrintEngine.h"
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NS_IMPL_ISUPPORTS1(nsPagePrintTimer, nsITimerCallback)
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nsPagePrintTimer::nsPagePrintTimer() :
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mPrintEngine(nsnull),
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mDelay(0),
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mPrintObj(nsnull)
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{
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}
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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(PRBool 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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mTimer->InitWithCallback(this, aUseDelay?mDelay:0, nsITimer::TYPE_ONE_SHOT);
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}
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return result;
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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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PRPackedBool initNewTimer = PR_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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PRBool inRange;
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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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PRBool 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 = PR_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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nsresult result = StartTimer(inRange);
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if (NS_FAILED(result)) {
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donePrinting = PR_TRUE; // had a failure.. we are finished..
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mPrintEngine->SetIsPrinting(PR_FALSE);
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}
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}
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}
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return NS_OK;
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}
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void
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nsPagePrintTimer::Init(nsPrintEngine* aPrintEngine,
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nsIDocumentViewerPrint* aDocViewerPrint,
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PRUint32 aDelay)
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{
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mPrintEngine = aPrintEngine;
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mDocViewerPrint = aDocViewerPrint;
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mDelay = aDelay;
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mDocViewerPrint->IncrementDestroyRefCount();
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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(PR_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 = nsnull;
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}
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}
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nsresult NS_NewPagePrintTimer(nsPagePrintTimer **aResult)
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{
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NS_PRECONDITION(aResult, "null param");
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nsPagePrintTimer* result = new nsPagePrintTimer;
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if (!result) {
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*aResult = nsnull;
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return NS_ERROR_OUT_OF_MEMORY;
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}
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NS_ADDREF(result);
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*aResult = result;
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return NS_OK;
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}
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