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gecko-dev/layout/printing/nsPrintEngine.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsPrintEngine.h"
#include "nsIStringBundle.h"
#include "nsReadableUtils.h"
#include "nsCRT.h"
#include "nsISelection.h"
#include "nsIScriptGlobalObject.h"
#include "nsIDOMWindowInternal.h"
#include "nsIDocShell.h"
#include "nsIURI.h"
#include "nsINodeInfo.h"
// Print Options
#include "nsIPrintSettings.h"
#include "nsIPrintSettingsService.h"
#include "nsIPrintOptions.h"
#include "nsGfxCIID.h"
#include "nsIServiceManager.h"
#include "nsHTMLAtoms.h" // XXX until atoms get factored into nsLayoutAtoms
#include "nsISimpleEnumerator.h"
#include "nsXPCOM.h"
#include "nsISupportsPrimitives.h"
// PrintOptions is now implemented by PrintSettingsService
static const char sPrintSettingsServiceContractID[] = "@mozilla.org/gfx/printsettings-service;1";
static const char sPrintOptionsContractID[] = "@mozilla.org/gfx/printsettings-service;1";
// Printing Events
#include "nsIEventQueue.h"
#include "nsIEventQueueService.h"
#include "nsEventQueueUtils.h"
#include "nsPrintPreviewListener.h"
// Printing
#include "nsIWebBrowserPrint.h"
#include "nsIDOMHTMLFrameElement.h"
#include "nsIDOMHTMLFrameSetElement.h"
#include "nsIDOMHTMLIFrameElement.h"
#include "nsIDOMHTMLObjectElement.h"
// Print Preview
#include "imgIContainer.h" // image animation mode constants
#include "nsIScrollableView.h"
#include "nsIScrollable.h"
#include "nsIWebBrowserPrint.h" // needed for PrintPreview Navigation constants
// Print Progress
#include "nsIPrintProgress.h"
#include "nsIPrintProgressParams.h"
#include "nsIObserver.h"
// Print error dialog
#include "nsIPrompt.h"
#include "nsIWindowWatcher.h"
#include "nsIStringBundle.h"
// Printing Prompts
#include "nsIPrintingPromptService.h"
static const char kPrintingPromptService[] = "@mozilla.org/embedcomp/printingprompt-service;1";
// Printing Timer
#include "nsPagePrintTimer.h"
// FrameSet
#include "nsINodeInfo.h"
#include "nsIDocument.h"
#include "nsHTMLAtoms.h"
// Focus
#include "nsIDOMEventReceiver.h"
#include "nsIDOMFocusListener.h"
#include "nsISelectionController.h"
// Misc
#include "nsISupportsUtils.h"
#include "nsIFrame.h"
#include "nsIScriptContext.h"
#include "nsILinkHandler.h"
#include "nsIDOMDocument.h"
#include "nsISelectionListener.h"
#include "nsISelectionPrivate.h"
#include "nsIDOMHTMLDocument.h"
#include "nsIDOMNSHTMLDocument.h"
#include "nsIDOMHTMLCollection.h"
#include "nsIDOMHTMLElement.h"
#include "nsIDOMRange.h"
#include "nsContentCID.h"
#include "nsLayoutCID.h"
#include "nsContentUtils.h"
#include "nsIPresShell.h"
#include "nsLayoutUtils.h"
#include "nsViewsCID.h"
#include "nsWidgetsCID.h"
#include "nsIDeviceContext.h"
#include "nsIDeviceContextSpec.h"
#include "nsIDeviceContextSpecFactory.h"
#include "nsIViewManager.h"
#include "nsIView.h"
#include "nsIPageSequenceFrame.h"
#include "nsIURL.h"
#include "nsIContentViewerEdit.h"
#include "nsIContentViewerFile.h"
#include "nsIMarkupDocumentViewer.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDocShellTreeNode.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIDocShell.h"
#include "nsIBaseWindow.h"
#include "nsIFrameDebug.h"
#include "nsILayoutHistoryState.h"
#include "nsLayoutAtoms.h"
#include "nsFrameManager.h"
#include "nsIParser.h"
#include "nsGUIEvent.h"
#include "nsHTMLReflowState.h"
#include "nsIDOMHTMLAnchorElement.h"
#include "nsIDOMHTMLAreaElement.h"
#include "nsIDOMHTMLLinkElement.h"
#include "nsIDOMHTMLImageElement.h"
#include "nsIContentViewerContainer.h"
#include "nsIContentViewer.h"
#include "nsIEventQueueService.h"
#include "nsIEventQueue.h"
#include "nsPIDOMWindow.h"
#include "nsIFocusController.h"
#include "nsCDefaultURIFixup.h"
#include "nsIURIFixup.h"
//-----------------------------------------------------
// PR LOGGING
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG /* Allow logging in the release build */
#endif
#include "prlog.h"
#ifdef PR_LOGGING
#ifdef NS_DEBUG
// PR_LOGGING is force to always be on (even in release builds)
// but we only want some of it on,
//#define EXTENDED_DEBUG_PRINTING
#endif
#define DUMP_LAYOUT_LEVEL 9 // this turns on the dumping of each doucment's layout info
static PRLogModuleInfo * kPrintingLogMod = PR_NewLogModule("printing");
#define PR_PL(_p1) PR_LOG(kPrintingLogMod, PR_LOG_DEBUG, _p1);
#ifdef EXTENDED_DEBUG_PRINTING
static PRUint32 gDumpFileNameCnt = 0;
static PRUint32 gDumpLOFileNameCnt = 0;
#endif
#define PRT_YESNO(_p) ((_p)?"YES":"NO")
static const char * gFrameTypesStr[] = {"eDoc", "eFrame", "eIFrame", "eFrameSet"};
static const char * gPrintFrameTypeStr[] = {"kNoFrames", "kFramesAsIs", "kSelectedFrame", "kEachFrameSep"};
static const char * gFrameHowToEnableStr[] = {"kFrameEnableNone", "kFrameEnableAll", "kFrameEnableAsIsAndEach"};
static const char * gPrintRangeStr[] = {"kRangeAllPages", "kRangeSpecifiedPageRange", "kRangeSelection", "kRangeFocusFrame"};
#else
#define PRT_YESNO(_p)
#define PR_PL(_p1)
#endif
#ifdef EXTENDED_DEBUG_PRINTING
// Forward Declarations
static void DumpPrintObjectsListStart(const char * aStr, nsVoidArray * aDocList);
static void DumpPrintObjectsTree(nsPrintObject * aPO, int aLevel= 0, FILE* aFD = nsnull);
static void DumpPrintObjectsTreeLayout(nsPrintObject * aPO,nsIDeviceContext * aDC, int aLevel= 0, FILE * aFD = nsnull);
#define DUMP_DOC_LIST(_title) DumpPrintObjectsListStart((_title), mPrt->mPrintDocList);
#define DUMP_DOC_TREE DumpPrintObjectsTree(mPrt->mPrintObject);
#define DUMP_DOC_TREELAYOUT DumpPrintObjectsTreeLayout(mPrt->mPrintObject, mPrt->mPrintDC);
#else
#define DUMP_DOC_LIST(_title)
#define DUMP_DOC_TREE
#define DUMP_DOC_TREELAYOUT
#endif
// Class IDs
static NS_DEFINE_CID(kViewManagerCID, NS_VIEW_MANAGER_CID);
static NS_DEFINE_CID(kWidgetCID, NS_CHILD_CID);
static NS_DEFINE_IID(kDeviceContextSpecFactoryCID, NS_DEVICE_CONTEXT_SPEC_FACTORY_CID);
NS_IMPL_ISUPPORTS2(nsPrintEngine,
nsIWebBrowserPrint,
nsIObserver)
//---------------------------------------------------
//-- nsPrintEngine Class Impl
//---------------------------------------------------
nsPrintEngine::nsPrintEngine() :
mIsCreatingPrintPreview(PR_FALSE),
mIsDoingPrinting(PR_FALSE),
mDocViewerPrint(nsnull),
mDocViewer(nsnull),
mContainer(nsnull),
mDeviceContext(nsnull),
mPresContext(nsnull),
mPrt(nsnull),
mPagePrintTimer(nsnull),
mPageSeqFrame(nsnull),
mIsDoingPrintPreview(PR_FALSE),
mParentWidget(nsnull),
mPrtPreview(nsnull),
mOldPrtPreview(nsnull),
mIsCachingPresentation(PR_FALSE),
mCachedPresObj(nsnull),
mDebugFile(nsnull)
{
}
//-------------------------------------------------------
nsPrintEngine::~nsPrintEngine()
{
#ifdef MOZ_LAYOUTDEBUG
nsPrintEngine::mLayoutDebugObj = nsnull;
#endif
Destroy(); // for insurance
}
//-------------------------------------------------------
void nsPrintEngine::Destroy()
{
// removed any cached
if (mCachedPresObj) {
delete mCachedPresObj;
mCachedPresObj = nsnull;
}
if (mPrt) {
delete mPrt;
mPrt = nsnull;
}
#ifdef NS_PRINT_PREVIEW
if (mPrtPreview) {
delete mPrtPreview;
mPrtPreview = nsnull;
}
// This is insruance
if (mOldPrtPreview) {
delete mOldPrtPreview;
mOldPrtPreview = nsnull;
}
#endif
}
//-------------------------------------------------------
void nsPrintEngine::DestroyPrintingData()
{
if (mPrt) {
delete mPrt;
mPrt = nsnull;
}
}
//---------------------------------------------------------------------------------
//-- Section: Methods needed by the DocViewer
//---------------------------------------------------------------------------------
//--------------------------------------------------------
nsresult nsPrintEngine::Initialize(nsIDocumentViewer* aDocViewer,
nsIDocumentViewerPrint* aDocViewerPrint,
nsISupports* aContainer,
nsIDocument* aDocument,
nsIDeviceContext* aDevContext,
nsPresContext* aPresContext,
nsIWidget* aWindow,
nsIWidget* aParentWidget,
FILE* aDebugFile)
{
NS_ENSURE_ARG_POINTER(aDocViewer);
NS_ENSURE_ARG_POINTER(aDocViewerPrint);
NS_ENSURE_ARG_POINTER(aContainer);
NS_ENSURE_ARG_POINTER(aDocument);
NS_ENSURE_ARG_POINTER(aDevContext);
NS_ENSURE_ARG_POINTER(aPresContext);
NS_ENSURE_ARG_POINTER(aWindow);
NS_ENSURE_ARG_POINTER(aParentWidget);
mDocViewer = aDocViewer; // weak reference
mDocViewerPrint = aDocViewerPrint; // weak reference
mContainer = aContainer; // weak reference
mDocument = aDocument;
mDeviceContext = aDevContext; // weak reference
mPresContext = aPresContext; // weak reference
mWindow = aWindow;
mParentWidget = aParentWidget;
mDebugFile = aDebugFile; // ok to be NULL
return NS_OK;
}
//-------------------------------------------------------
PRBool
nsPrintEngine::CheckBeforeDestroy()
{
if (mPrt && mPrt->mPreparingForPrint) {
mPrt->mDocWasToBeDestroyed = PR_TRUE;
return PR_TRUE;
}
return PR_FALSE;
}
//-------------------------------------------------------
nsresult
nsPrintEngine::Cancelled()
{
if (mPrt && mPrt->mPrintSettings) {
return mPrt->mPrintSettings->SetIsCancelled(PR_TRUE);
}
return NS_ERROR_FAILURE;
}
//-------------------------------------------------------
void
nsPrintEngine::CachePresentation(nsIPresShell* aShell,
nsPresContext* aPC,
nsIViewManager* aVM,
nsIWidget* aW)
{
NS_ASSERTION(!mCachedPresObj, "Cached Pres Object must be null!");
mCachedPresObj = new CachedPresentationObj(aShell, aPC, aVM, aW);
}
//-------------------------------------------------------
void
nsPrintEngine::GetCachedPresentation(nsCOMPtr<nsIPresShell>& aShell,
nsCOMPtr<nsPresContext>& aPC,
nsCOMPtr<nsIViewManager>& aVM,
nsCOMPtr<nsIWidget>& aW)
{
aShell = mCachedPresObj->mPresShell;
aPC = mCachedPresObj->mPresContext;
aVM = mCachedPresObj->mViewManager;
aW = mCachedPresObj->mWindow;
}
//------------------------------------------------------------
void
nsPrintEngine::GetNewPresentation(nsCOMPtr<nsIPresShell>& aShell,
nsCOMPtr<nsPresContext>& aPC,
nsCOMPtr<nsIViewManager>& aVM,
nsCOMPtr<nsIWidget>& aW)
{
// Default to the main Print Object
nsPrintObject * prtObjToDisplay = mPrt->mPrintObject;
// This is the new code for selecting the appropriate Frame of a Frameset
// for Print Preview. But it can't be turned on yet
#if 0
// If it is a Frameset then choose the selected one
// or select the one with the largest area
if (mPrt->mPrintObject->mFrameType == eFrameSet) {
if (mPrt->mCurrentFocusWin) {
PRInt32 cnt = mPrt->mPrintObject->mKids.Count();
// Start at "1" and skip the FrameSet document itself
for (PRInt32 i=1;i<cnt;i++) {
nsPrintObject* po = (nsPrintObject *)mPrt->mPrintObject->mKids[i];
nsCOMPtr<nsIDOMWindow> domWin(do_GetInterface(po->mDocShell));
if (domWin.get() == mPrt->mCurrentFocusWin.get()) {
prtObjToDisplay = po;
break;
}
}
} else {
nsPrintObject* largestPO = nsnull;
nscoord area = 0;
PRInt32 cnt = mPrt->mPrintObject->mKids.Count();
// Start at "1" and skip the FrameSet document itself
for (PRInt32 i=1;i<cnt;i++) {
nsPrintObject* po = (nsPrintObject *)mPrt->mPrintObject->mKids[i];
nsCOMPtr<nsIDOMWindow> domWin(do_GetInterface(po->mDocShell));
if (domWin.get() == mPrt->mCurrentFocusWin.get()) {
nscoord width;
nscoord height;
domWin->GetInnerWidth(&width);
domWin->GetInnerHeight(&height);
nscoord newArea = width * height;
if (newArea > area) {
largestPO = po;
area = newArea;
}
}
}
// make sure we got one
if (largestPO) {
prtObjToDisplay = largestPO;
}
}
}
#endif
// Set the new Presentation
aShell = prtObjToDisplay->mPresShell;
aPC = prtObjToDisplay->mPresContext;
aVM = prtObjToDisplay->mViewManager;
aW = prtObjToDisplay->mWindow;
//mPresShell = prtObjToDisplay->mPresShell;
mPresContext = prtObjToDisplay->mPresContext;
//mViewManager = prtObjToDisplay->mViewManager;
//mWindow = prtObjToDisplay->mWindow;
if (mIsDoingPrintPreview && mOldPrtPreview) {
delete mOldPrtPreview;
mOldPrtPreview = nsnull;
}
prtObjToDisplay->mSharedPresShell = PR_TRUE;
}
//-------------------------------------------------------
// Install our event listeners on the document to prevent
// some events from being processed while in PrintPreview
//
// No return code - if this fails, there isn't much we can do
void
nsPrintEngine::InstallPrintPreviewListener()
{
if (!mPrt->mPPEventListeners) {
nsCOMPtr<nsPIDOMWindow> win(do_GetInterface(mContainer));
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(win->GetFrameElementInternal()));
mPrt->mPPEventListeners = new nsPrintPreviewListener(target);
if (mPrt->mPPEventListeners) {
mPrt->mPPEventListeners->AddListeners();
}
}
}
//----------------------------------------------------------------------
nsresult
nsPrintEngine::GetSeqFrameAndCountPagesInternal(nsPrintObject* aPO,
nsIFrame*& aSeqFrame,
PRInt32& aCount)
{
NS_ENSURE_ARG_POINTER(aPO);
// Finds the SimplePageSequencer frame
// in PP mPrtPreview->mPrintObject->mSeqFrame is null
aSeqFrame = nsnull;
nsIFrame *curFrame = aPO->mPresShell->FrameManager()->GetRootFrame();
while (curFrame != nsnull) {
nsIPageSequenceFrame * sqf = nsnull;
if (NS_SUCCEEDED(CallQueryInterface(curFrame, &sqf)) && sqf) {
aSeqFrame = curFrame;
break;
}
curFrame = curFrame->GetFirstChild(nsnull);
}
if (aSeqFrame == nsnull) return NS_ERROR_FAILURE;
// first count the total number of pages
aCount = 0;
nsIFrame* pageFrame = aSeqFrame->GetFirstChild(nsnull);
while (pageFrame != nsnull) {
aCount++;
pageFrame = pageFrame->GetNextSibling();
}
return NS_OK;
}
//-----------------------------------------------------------------
nsresult nsPrintEngine::GetSeqFrameAndCountPages(nsIFrame*& aSeqFrame, PRInt32& aCount)
{
NS_ASSERTION(mPrtPreview, "mPrtPreview can't be null!");
return GetSeqFrameAndCountPagesInternal(mPrtPreview->mPrintObject, aSeqFrame, aCount);
}
//---------------------------------------------------------------------------------
//-- Done: Methods needed by the DocViewer
//---------------------------------------------------------------------------------
//---------------------------------------------------------------------------------
//-- Section: nsIWebBrowserPrint
//---------------------------------------------------------------------------------
// Foward decl for Debug Helper Functions
#ifdef EXTENDED_DEBUG_PRINTING
static int RemoveFilesInDir(const char * aDir);
static void GetDocTitleAndURL(nsPrintObject* aPO, char *& aDocStr, char *& aURLStr);
static void DumpPrintObjectsTree(nsPrintObject * aPO, int aLevel, FILE* aFD);
static void DumpPrintObjectsList(nsVoidArray * aDocList);
static void RootFrameList(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent);
static void DumpViews(nsIDocShell* aDocShell, FILE* out);
static void DumpLayoutData(char* aTitleStr, char* aURLStr,
nsPresContext* aPresContext,
nsIDeviceContext * aDC, nsIFrame * aRootFrame,
nsIDocShell * aDocShell, FILE* aFD);
#endif
//---------------------------------------------------------------------------------
NS_IMETHODIMP
nsPrintEngine::Print(nsIPrintSettings* aPrintSettings,
nsIWebProgressListener* aWebProgressListener)
{
#ifdef EXTENDED_DEBUG_PRINTING
// need for capturing result on each doc and sub-doc that is printed
gDumpFileNameCnt = 0;
gDumpLOFileNameCnt = 0;
#if defined(XP_WIN) || defined(XP_OS2)
if (kPrintingLogMod && kPrintingLogMod->level == DUMP_LAYOUT_LEVEL) {
RemoveFilesInDir(".\\");
}
#endif // XP_WIN || XP_OS2
#endif // EXTENDED_DEBUG_PRINTING
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(mContainer));
NS_ASSERTION(docShell, "This has to be a docshell");
mPrt = new nsPrintData(nsPrintData::eIsPrinting);
if (!mPrt) {
PR_PL(("NS_ERROR_OUT_OF_MEMORY - Creating PrintData"));
return NS_ERROR_OUT_OF_MEMORY;
}
// if they don't pass in a PrintSettings, then get the Global PS
mPrt->mPrintSettings = aPrintSettings;
if (!mPrt->mPrintSettings) {
GetGlobalPrintSettings(getter_AddRefs(mPrt->mPrintSettings));
}
mPrt->mPrintOptions = do_GetService(sPrintOptionsContractID, &rv);
if (NS_SUCCEEDED(rv) && mPrt->mPrintOptions && mPrt->mPrintSettings) {
// Get the default printer name and set it into the PrintSettings
rv = CheckForPrinters(mPrt->mPrintOptions, mPrt->mPrintSettings);
} else {
NS_ASSERTION(mPrt->mPrintSettings, "You can't Print without a PrintSettings!");
rv = NS_ERROR_FAILURE;
}
if (NS_FAILED(rv)) {
PR_PL(("NS_ERROR_FAILURE - CheckForPrinters for Printers failed"));
return CleanupOnFailure(rv, PR_TRUE);
}
mPrt->mPrintSettings->SetIsCancelled(PR_FALSE);
mPrt->mPrintSettings->GetShrinkToFit(&mPrt->mShrinkToFit);
// Create a print session and let the print settings know about it.
// The print settings hold an nsWeakPtr to the session so it does not
// need to be cleared from the settings at the end of the job.
mPrt->mPrintSession = do_CreateInstance("@mozilla.org/gfx/printsession;1", &rv);
CHECK_RUNTIME_ERROR_CONDITION(nsIDebugObject::PRT_RUNTIME_CREATEPRTSESSION, rv, NS_ERROR_FAILURE);
if (NS_FAILED(rv)) {
PR_PL(("NS_ERROR_FAILURE - do_CreateInstance for printsession failed"));
return CleanupOnFailure(rv, PR_TRUE);
}
mPrt->mPrintSettings->SetPrintSession(mPrt->mPrintSession);
// Let's print ...
SetIsPrinting(PR_TRUE);
// We need to make sure this document doesn't get unloaded
// before we have a chance to print, so this stops the Destroy from
// being called
mPrt->mPreparingForPrint = PR_TRUE;
if (aWebProgressListener != nsnull) {
mPrt->mPrintProgressListeners.AppendElement((void*)aWebProgressListener);
NS_ADDREF(aWebProgressListener);
}
// Get the currently focused window and cache it
// because the Print Dialog will "steal" focus and later when you try
// to get the currently focused windows it will be NULL
mPrt->mCurrentFocusWin = FindFocusedDOMWindow();
// Check to see if there is a "regular" selection
PRBool isSelection = IsThereARangeSelection(mPrt->mCurrentFocusWin);
// Create a list for storing the DocShells that need to be printed
if (mPrt->mPrintDocList == nsnull) {
mPrt->mPrintDocList = new nsVoidArray();
if (mPrt->mPrintDocList == nsnull) {
SetIsPrinting(PR_FALSE);
PR_PL(("NS_ERROR_FAILURE - Couldn't create mPrintDocList"));
return CleanupOnFailure(NS_ERROR_FAILURE, PR_TRUE);
}
} else {
mPrt->mPrintDocList->Clear();
}
// Get the docshell for this documentviewer
nsCOMPtr<nsIDocShell> webContainer(do_QueryInterface(mContainer));
// Add Root Doc to Tree and List
mPrt->mPrintObject = new nsPrintObject();
rv = mPrt->mPrintObject->Init(webContainer);
CHECK_RUNTIME_ERROR_CONDITION(nsIDebugObject::PRT_RUNTIME_INITPRTOBJ, rv, NS_ERROR_FAILURE);
if (NS_FAILED(rv)) {
PR_PL(("NS_ERROR_FAILURE - Failed on Init of PrintObject"));
ShowPrintErrorDialog(NS_ERROR_FAILURE);
return rv;
}
mPrt->mPrintDocList->AppendElement(mPrt->mPrintObject);
mPrt->mIsParentAFrameSet = IsParentAFrameSet(webContainer);
mPrt->mPrintObject->mFrameType = mPrt->mIsParentAFrameSet?eFrameSet:eDoc;
// Build the "tree" of PrintObjects
nsCOMPtr<nsIDocShellTreeNode> parentAsNode(do_QueryInterface(webContainer));
BuildDocTree(parentAsNode, mPrt->mPrintDocList, mPrt->mPrintObject);
// Create the linkage from the suv-docs back to the content element
// in the parent document
MapContentToWebShells(mPrt->mPrintObject, mPrt->mPrintObject);
// Get whether the doc contains a frameset
// Also, check to see if the currently focus docshell
// is a child of this docshell
mPrt->mIsIFrameSelected = IsThereAnIFrameSelected(webContainer, mPrt->mCurrentFocusWin, mPrt->mIsParentAFrameSet);
CheckForHiddenFrameSetFrames();
DUMP_DOC_LIST("\nAfter Mapping------------------------------------------");
rv = NS_ERROR_FAILURE;
// Setup print options for UI
if (mPrt->mIsParentAFrameSet) {
if (mPrt->mCurrentFocusWin) {
mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableAll);
} else {
mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableAsIsAndEach);
}
} else {
mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableNone);
}
// Now determine how to set up the Frame print UI
mPrt->mPrintSettings->SetPrintOptions(nsIPrintSettings::kEnableSelectionRB, isSelection || mPrt->mIsIFrameSelected);
#ifdef PR_LOGGING
if (mPrt->mPrintSettings) {
PRInt16 printHowEnable = nsIPrintSettings::kFrameEnableNone;
mPrt->mPrintSettings->GetHowToEnableFrameUI(&printHowEnable);
PRBool val;
mPrt->mPrintSettings->GetPrintOptions(nsIPrintSettings::kEnableSelectionRB, &val);
PR_PL(("********* nsPrintEngine::Print *********\n"));
PR_PL(("IsParentAFrameSet: %s \n", PRT_YESNO(mPrt->mIsParentAFrameSet)));
PR_PL(("IsIFrameSelected: %s \n", PRT_YESNO(mPrt->mIsIFrameSelected)));
PR_PL(("Main Doc Frame Type: %s \n", gFrameTypesStr[mPrt->mPrintObject->mFrameType]));
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
PR_PL(("EnableSelectionRB: %s \n", PRT_YESNO(val)));
PR_PL(("*********************************************\n"));
}
#endif
/* create factory (incl. create print dialog) */
nsCOMPtr<nsIDeviceContextSpecFactory> factory =
do_CreateInstance(kDeviceContextSpecFactoryCID, &rv);
CHECK_RUNTIME_ERROR_CONDITION(nsIDebugObject::PRT_RUNTIME_CREATESPECFACTORY, rv, NS_ERROR_FAILURE);
if (NS_SUCCEEDED(rv)) {
#ifdef DEBUG_dcone
printf("PRINT JOB STARTING\n");
#endif
nsCOMPtr<nsIDeviceContextSpec> devspec;
mPrt->mPrintDC = nsnull; // XXX why?
#ifdef NS_DEBUG
mPrt->mDebugFilePtr = mDebugFile;
#endif
PRBool printSilently;
mPrt->mPrintSettings->GetPrintSilent(&printSilently);
// Check prefs for a default setting as to whether we should print silently
printSilently = nsContentUtils::GetBoolPref("print.always_print_silent",
printSilently);
// Ask dialog to be Print Shown via the Plugable Printing Dialog Service
// This service is for the Print Dialog and the Print Progress Dialog
// If printing silently or you can't get the service continue on
if (!printSilently) {
nsCOMPtr<nsIPrintingPromptService> printPromptService(do_GetService(kPrintingPromptService));
if (printPromptService) {
nsCOMPtr<nsIDOMWindow> domWin = do_QueryInterface(mDocument->GetScriptGlobalObject());
NS_ENSURE_TRUE(domWin, NS_ERROR_FAILURE);
// Platforms not implementing a given dialog for the service may
// return NS_ERROR_NOT_IMPLEMENTED or an error code.
//
// NS_ERROR_NOT_IMPLEMENTED indicates they want default behavior
// Any other error code means we must bail out
//
if (mDialogParentWin) {
domWin = mDialogParentWin;
}
rv = printPromptService->ShowPrintDialog(domWin, this, mPrt->mPrintSettings);
if (rv == NS_ERROR_NOT_IMPLEMENTED) {
// This means the Dialog service was there,
// but they choose not to implement this dialog and
// are looking for default behavior from the toolkit
rv = NS_OK;
} else if (NS_SUCCEEDED(rv)) {
// since we got the dialog and it worked then make sure we
// are telling GFX we want to print silent
printSilently = PR_TRUE;
}
} else {
rv = NS_ERROR_GFX_NO_PRINTROMPTSERVICE;
}
}
CHECK_RUNTIME_ERROR_CONDITION(nsIDebugObject::PRT_RUNTIME_NOPROMPTSERVICE, rv, NS_ERROR_GFX_NO_PRINTROMPTSERVICE);
if (NS_FAILED(rv)) {
PR_PL(("**** Printing Stopped before CreateDeviceContextSpec"));
return CleanupOnFailure(rv, PR_TRUE);
}
// Create DeviceSpec for Printing
rv = factory->CreateDeviceContextSpec(mWindow, mPrt->mPrintSettings, *getter_AddRefs(devspec), PR_FALSE);
// If the page was intended to be destroyed while we were in the print dialog
// then we need to clean up and abort the printing.
if (mPrt->mDocWasToBeDestroyed) {
mPrt->mPreparingForPrint = PR_FALSE;
// XXX Destroy();
SetIsPrinting(PR_FALSE);
// If they hit cancel then rv will equal NS_ERROR_ABORT and
// then we don't want to display the message
if (rv != NS_ERROR_ABORT) {
ShowPrintErrorDialog(NS_ERROR_GFX_PRINTER_DOC_WAS_DESTORYED);
}
PR_PL(("**** mDocWasToBeDestroyed - %s", rv != NS_ERROR_ABORT?"NS_ERROR_GFX_PRINTER_DOC_WAS_DESTORYED":"NS_ERROR_ABORT"));
return NS_ERROR_ABORT;
}
CHECK_RUNTIME_ERROR_CONDITION(nsIDebugObject::PRT_RUNTIME_NODEVSPEC, rv, NS_ERROR_FAILURE);
if (NS_SUCCEEDED(rv)) {
rv = mPresContext->DeviceContext()->
GetDeviceContextFor(devspec, *getter_AddRefs(mPrt->mPrintDC));
if (NS_SUCCEEDED(rv)) {
// Get the Original PixelScale incase we need to start changing it
mPrt->mPrintDC->GetCanonicalPixelScale(mPrt->mOrigDCScale);
// Shrink to Fit over rides and scaling values
if (!mPrt->mShrinkToFit) {
double scaling;
mPrt->mPrintSettings->GetScaling(&scaling);
mPrt->mPrintDC->SetCanonicalPixelScale(float(scaling)*mPrt->mOrigDCScale);
}
if(webContainer) {
#ifdef DEBUG_dcone
float a1,a2;
PRInt32 i1,i2;
printf("CRITICAL PRINTING INFORMATION\n");
// DEVICE CONTEXT INFORMATION from PresContext
nsIDeviceContext *dx = mPresContext->DeviceContext();
printf("DeviceContext of Presentation Context(%x)\n", dx);
a1 = dx->DevUnitsToTwips();
a2 = dx->TwipsToDevUnits();
printf(" DevToTwips = %f TwipToDev = %f\n",a1,a2);
a1 = dx->AppUnitsToDevUnits();
a2 = dx->DevUnitsToAppUnits();
printf(" AppUnitsToDev = %f DevUnitsToApp = %f\n",a1,a2);
dx->GetCanonicalPixelScale(a1);
printf(" GetCanonicalPixelScale = %f\n",a1);
dx->GetScrollBarDimensions(a1, a2);
printf(" ScrollBar x = %f y = %f\n",a1,a2);
dx->GetZoom(a1);
printf(" Zoom = %f\n",a1);
dx->GetDepth((PRUint32&)i1);
printf(" Depth = %d\n",i1);
dx->GetDeviceSurfaceDimensions(i1,i2);
printf(" DeviceDimension w = %d h = %d\n",i1,i2);
// DEVICE CONTEXT INFORMATION
printf("DeviceContext created for print(%x)\n",mPrt->mPrintDC);
a1 = mPrt->mPrintDC->DevUnitsToTwips();
a2 = mPrt->mPrintDC->TwipsToDevUnits();
printf(" DevToTwips = %f TwipToDev = %f\n",a1,a2);
a1 = mPrt->mPrintDC->AppUnitsToDevUnits();
a2 = mPrt->mPrintDC->DevUnitsToAppUnits();
printf(" AppUnitsToDev = %f DevUnitsToApp = %f\n",a1,a2);
mPrt->mPrintDC->GetCanonicalPixelScale(a1);
printf(" GetCanonicalPixelScale = %f\n",a1);
mPrt->mPrintDC->GetScrollBarDimensions(a1, a2);
printf(" ScrollBar x = %f y = %f\n",a1,a2);
mPrt->mPrintDC->GetZoom(a1);
printf(" Zoom = %f\n",a1);
mPrt->mPrintDC->GetDepth((PRUint32&)i1);
printf(" Depth = %d\n",i1);
mPrt->mPrintDC->GetDeviceSurfaceDimensions(i1,i2);
printf(" DeviceDimension w = %d h = %d\n",i1,i2);
#endif /* DEBUG_dcone */
// Always check and set the print settings first and then fall back
// onto the PrintService if there isn't a PrintSettings
//
// Posiible Usage values:
// nsIPrintSettings::kUseInternalDefault
// nsIPrintSettings::kUseSettingWhenPossible
//
// NOTE: The consts are the same for PrintSettings and PrintSettings
PRInt16 printFrameTypeUsage = nsIPrintSettings::kUseSettingWhenPossible;
mPrt->mPrintSettings->GetPrintFrameTypeUsage(&printFrameTypeUsage);
// Ok, see if we are going to use our value and override the default
if (printFrameTypeUsage == nsIPrintSettings::kUseSettingWhenPossible) {
// Get the Print Options/Settings PrintFrameType to see what is preferred
PRInt16 printFrameType = nsIPrintSettings::kEachFrameSep;
mPrt->mPrintSettings->GetPrintFrameType(&printFrameType);
// Don't let anybody do something stupid like try to set it to
// kNoFrames when we are printing a FrameSet
if (printFrameType == nsIPrintSettings::kNoFrames) {
mPrt->mPrintFrameType = nsIPrintSettings::kEachFrameSep;
mPrt->mPrintSettings->SetPrintFrameType(mPrt->mPrintFrameType);
} else {
// First find out from the PrinService what options are available
// to us for Printing FrameSets
PRInt16 howToEnableFrameUI;
mPrt->mPrintSettings->GetHowToEnableFrameUI(&howToEnableFrameUI);
if (howToEnableFrameUI != nsIPrintSettings::kFrameEnableNone) {
switch (howToEnableFrameUI) {
case nsIPrintSettings::kFrameEnableAll:
mPrt->mPrintFrameType = printFrameType;
break;
case nsIPrintSettings::kFrameEnableAsIsAndEach:
if (printFrameType != nsIPrintSettings::kSelectedFrame) {
mPrt->mPrintFrameType = printFrameType;
} else { // revert back to a good value
mPrt->mPrintFrameType = nsIPrintSettings::kEachFrameSep;
}
break;
} // switch
mPrt->mPrintSettings->SetPrintFrameType(mPrt->mPrintFrameType);
}
}
} else {
mPrt->mPrintSettings->GetPrintFrameType(&mPrt->mPrintFrameType);
}
#ifdef MOZ_LAYOUTDEBUG
{
// This is a special debugging regression tool section
PRUnichar* tempFileName = nsnull;
if (nsPrintEngine::IsDoingRuntimeTesting()) {
// Here we check for a special filename (the destination for the print job)
// and sets into the print settings if there is a name then we want to
// print to a file. if not, let it print normally.
if (NS_SUCCEEDED(mLayoutDebugObj->GetPrintFileName(&tempFileName)) && tempFileName) {
if (*tempFileName) {
mPrt->mPrintSettings->SetPrintToFile(PR_TRUE);
mPrt->mPrintSettings->SetToFileName(tempFileName);
}
nsMemory::Free(tempFileName);
}
// Here we check to see how we should print a frameset (if there is one)
PRBool asIs = PR_FALSE;
if (NS_SUCCEEDED(mLayoutDebugObj->GetPrintAsIs(&asIs))) {
PRInt16 howToEnableFrameUI;
mPrt->mPrintSettings->GetHowToEnableFrameUI(&howToEnableFrameUI);
if (howToEnableFrameUI != nsIPrintSettings::kFrameEnableNone) {
mPrt->mPrintFrameType = asIs?nsIPrintSettings::kFramesAsIs:nsIPrintSettings::kEachFrameSep;
mPrt->mPrintSettings->SetPrintFrameType(mPrt->mPrintFrameType);
}
}
}
}
#endif
// Get the Needed info for Calling PrepareDocument
PRUnichar* fileName = nsnull;
// check to see if we are printing to a file
PRBool isPrintToFile = PR_FALSE;
mPrt->mPrintSettings->GetPrintToFile(&isPrintToFile);
if (isPrintToFile) {
// On some platforms The PrepareDocument needs to know the name of the file
// and it uses the PrintService to get it, so we need to set it into the PrintService here
mPrt->mPrintSettings->GetToFileName(&fileName);
}
PRUnichar * docTitleStr;
PRUnichar * docURLStr;
GetDisplayTitleAndURL(mPrt->mPrintObject, mPrt->mPrintSettings, mPrt->mBrandName, &docTitleStr, &docURLStr, eDocTitleDefURLDoc);
PR_PL(("Title: %s\n", docTitleStr?NS_LossyConvertUCS2toASCII(docTitleStr).get():""));
PR_PL(("URL: %s\n", docURLStr?NS_LossyConvertUCS2toASCII(docURLStr).get():""));
rv = mPrt->mPrintDC->PrepareDocument(docTitleStr, fileName);
if (docTitleStr) nsMemory::Free(docTitleStr);
if (docURLStr) nsMemory::Free(docURLStr);
CHECK_RUNTIME_ERROR_CONDITION(nsIDebugObject::PRT_RUNTIME_PREPAREDOC, rv, NS_ERROR_FAILURE);
if (NS_FAILED(rv)) {
return CleanupOnFailure(rv, PR_TRUE);
}
PRBool doNotify;
ShowPrintProgress(PR_TRUE, doNotify);
if (!doNotify) {
// Print listener setup...
if (mPrt != nsnull) {
mPrt->OnStartPrinting();
}
rv = DocumentReadyForPrinting();
}
}
}
} else {
mPrt->mPrintSettings->SetIsCancelled(PR_TRUE);
}
}
/* cleaup on failure + notify user */
if (NS_FAILED(rv)) {
CleanupOnFailure(rv, PR_TRUE);
}
return rv;
}
/** ---------------------------------------------------
* See documentation above in the nsIContentViewerfile class definition
* @update 11/01/01 rods
*
* For a full and detailed understanding of the issues with
* PrintPreview: See the design spec that is attached to Bug 107562
*/
NS_IMETHODIMP
nsPrintEngine::PrintPreview(nsIPrintSettings* aPrintSettings,
nsIDOMWindow *aChildDOMWin,
nsIWebProgressListener* aWebProgressListener)
{
nsresult rv = NS_OK;
#ifdef NS_PRINT_PREVIEW
// Get the DocShell and see if it is busy
// We can't Print or Print Preview this document if it is still busy
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(mContainer));
NS_ASSERTION(docShell, "This has to be a docshell");
PRUint32 busyFlags = nsIDocShell::BUSY_FLAGS_NONE;
// Preview this document if it is still busy
if (NS_FAILED(docShell->GetBusyFlags(&busyFlags)) ||
busyFlags != nsIDocShell::BUSY_FLAGS_NONE) {
CloseProgressDialog(aWebProgressListener);
ShowPrintErrorDialog(NS_ERROR_GFX_PRINTER_DOC_IS_BUSY_PP, PR_FALSE);
return NS_ERROR_FAILURE;
}
#if (defined(XP_WIN) || defined(XP_OS2)) && defined(EXTENDED_DEBUG_PRINTING)
if (!mIsDoingPrintPreview) {
if (kPrintingLogMod && kPrintingLogMod->level == DUMP_LAYOUT_LEVEL) {
RemoveFilesInDir(".\\");
}
}
#endif
if (mIsDoingPrintPreview) {
mOldPrtPreview = mPrtPreview;
mPrtPreview = nsnull;
}
mPrt = new nsPrintData(nsPrintData::eIsPrintPreview);
if (!mPrt) {
CloseProgressDialog(aWebProgressListener);
SetIsCreatingPrintPreview(PR_FALSE);
return NS_ERROR_OUT_OF_MEMORY;
}
// The WebProgressListener can be QI'ed to nsIPrintingPromptService
// then that means the progress dialog is already being shown.
nsCOMPtr<nsIPrintingPromptService> pps(do_QueryInterface(aWebProgressListener));
mPrt->mProgressDialogIsShown = pps != nsnull;
// Check to see if we need to transfer any of our old values
// over to the new PrintData object
if (mOldPrtPreview) {
mPrt->mOrigZoom = mOldPrtPreview->mOrigZoom;
mPrt->mOrigTextZoom = mOldPrtPreview->mOrigTextZoom;
mPrt->mOrigDCScale = mOldPrtPreview->mOrigDCScale;
} else {
// Get the Original PixelScale in case we need to start changing it
mDeviceContext->GetCanonicalPixelScale(mPrt->mOrigDCScale);
}
// You have to have both a PrintOptions and a PrintSetting to call
// CheckForPrinters.
// The user can pass in a null PrintSettings, but you can only
// create one if you have a PrintOptions. So we we might as check
// to if we have a PrintOptions first, because we can't do anything
// below without it then inside we check to se if the printSettings
// is null to know if we need to create on.
// if they don't pass in a PrintSettings, then get the Global PS
mPrt->mPrintSettings = aPrintSettings;
if (!mPrt->mPrintSettings) {
GetGlobalPrintSettings(getter_AddRefs(mPrt->mPrintSettings));
}
mPrt->mPrintOptions = do_GetService(sPrintOptionsContractID, &rv);
if (NS_SUCCEEDED(rv) && mPrt->mPrintOptions && mPrt->mPrintSettings) {
// Get the default printer name and set it into the PrintSettings
rv = CheckForPrinters(mPrt->mPrintOptions, mPrt->mPrintSettings);
} else {
NS_ASSERTION(mPrt->mPrintSettings, "You can't Print without a PrintSettings!");
rv = NS_ERROR_FAILURE;
}
if (NS_FAILED(rv)) {
ShowPrintErrorDialog(rv, PR_FALSE);
CloseProgressDialog(aWebProgressListener);
return NS_ERROR_FAILURE;
}
// Let's print preview...
SetIsCreatingPrintPreview(PR_TRUE);
SetIsPrintPreview(PR_TRUE);
// Very important! Turn Off scripting
TurnScriptingOn(PR_FALSE);
// Get the currently focused window and cache it
// because the Print Dialog will "steal" focus and later when you try
// to get the currently focused windows it will be NULL
mPrt->mCurrentFocusWin = FindFocusedDOMWindow();
// Check to see if there is a "regular" selection
PRBool isSelection = IsThereARangeSelection(mPrt->mCurrentFocusWin);
// Create a list for storing the DocShells that need to be printed
if (!mPrt->mPrintDocList) {
mPrt->mPrintDocList = new nsVoidArray();
if (!mPrt->mPrintDocList) {
SetIsCreatingPrintPreview(PR_FALSE);
SetIsPrintPreview(PR_FALSE);
TurnScriptingOn(PR_TRUE);
return NS_ERROR_OUT_OF_MEMORY;
}
} else {
mPrt->mPrintDocList->Clear();
}
// Get the docshell for this documentviewer
nsCOMPtr<nsIDocShell> webContainer(do_QueryInterface(mContainer));
// Add Root Doc to Tree and List
mPrt->mPrintObject = new nsPrintObject();
if (NS_FAILED(mPrt->mPrintObject->Init(webContainer))) {
CloseProgressDialog(aWebProgressListener);
PR_PL(("NS_ERROR_FAILURE - Failed on Init of PrintObject"));
return NS_ERROR_FAILURE;
}
mPrt->mPrintDocList->AppendElement(mPrt->mPrintObject);
mPrt->mIsParentAFrameSet = IsParentAFrameSet(webContainer);
mPrt->mPrintObject->mFrameType = mPrt->mIsParentAFrameSet ? eFrameSet : eDoc;
// Build the "tree" of PrintObjects
nsCOMPtr<nsIDocShellTreeNode> parentAsNode(do_QueryInterface(webContainer));
BuildDocTree(parentAsNode, mPrt->mPrintDocList, mPrt->mPrintObject);
// Create the linkage from the suv-docs back to the content element
// in the parent document
MapContentToWebShells(mPrt->mPrintObject, mPrt->mPrintObject);
// Get whether the doc contains a frameset
// Also, check to see if the currently focus docshell
// is a child of this docshell
mPrt->mIsIFrameSelected = IsThereAnIFrameSelected(webContainer, mPrt->mCurrentFocusWin, mPrt->mIsParentAFrameSet);
CheckForHiddenFrameSetFrames();
DUMP_DOC_LIST("\nAfter Mapping------------------------------------------");
// Setup print options for UI
rv = NS_ERROR_FAILURE;
if (mPrt->mPrintSettings != nsnull) {
mPrt->mPrintSettings->GetShrinkToFit(&mPrt->mShrinkToFit);
if (mPrt->mIsParentAFrameSet) {
if (mPrt->mCurrentFocusWin) {
mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableAll);
} else {
mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableAsIsAndEach);
}
} else {
mPrt->mPrintSettings->SetHowToEnableFrameUI(nsIPrintSettings::kFrameEnableNone);
}
// Now determine how to set up the Frame print UI
mPrt->mPrintSettings->SetPrintOptions(nsIPrintSettings::kEnableSelectionRB, isSelection || mPrt->mIsIFrameSelected);
}
#ifdef PR_LOGGING
if (mPrt->mPrintSettings) {
PRInt16 printHowEnable = nsIPrintSettings::kFrameEnableNone;
mPrt->mPrintSettings->GetHowToEnableFrameUI(&printHowEnable);
PRBool val;
mPrt->mPrintSettings->GetPrintOptions(nsIPrintSettings::kEnableSelectionRB, &val);
PR_PL(("********* nsPrintEngine::Print *********\n"));
PR_PL(("IsParentAFrameSet: %s \n", PRT_YESNO(mPrt->mIsParentAFrameSet)));
PR_PL(("IsIFrameSelected: %s \n", PRT_YESNO(mPrt->mIsIFrameSelected)));
PR_PL(("Main Doc Frame Type: %s \n", gFrameTypesStr[mPrt->mPrintObject->mFrameType]));
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
PR_PL(("EnableSelectionRB: %s \n", PRT_YESNO(val)));
PR_PL(("*********************************************\n"));
}
#endif
nscoord width = NS_INCHES_TO_TWIPS(8.5);
nscoord height = NS_INCHES_TO_TWIPS(11.0);
nsCOMPtr<nsIDeviceContext> ppDC;
nsCOMPtr<nsIDeviceContextSpecFactory> factory = do_CreateInstance(kDeviceContextSpecFactoryCID);
if (factory) {
nsCOMPtr<nsIDeviceContextSpec> devspec;
nsCOMPtr<nsIDeviceContext> dx;
rv = factory->CreateDeviceContextSpec(mWindow, mPrt->mPrintSettings,
*getter_AddRefs(devspec), PR_TRUE);
if (NS_SUCCEEDED(rv)) {
rv = mDeviceContext->GetDeviceContextFor(devspec, *getter_AddRefs(ppDC));
if (NS_SUCCEEDED(rv)) {
mDeviceContext->SetAltDevice(ppDC);
if (mPrt->mPrintSettings != nsnull) {
// Shrink to Fit over rides and scaling values
if (!mPrt->mShrinkToFit) {
double scaling;
mPrt->mPrintSettings->GetScaling(&scaling);
mDeviceContext->SetCanonicalPixelScale(float(scaling)*mPrt->mOrigDCScale);
}
}
ppDC->GetDeviceSurfaceDimensions(width, height);
}
}
}
mPrt->mPrintSettings->SetPrintFrameType(nsIPrintSettings::kFramesAsIs);
// override any UI that wants to PrintPreview any selection or page range
// we want to view every page in PrintPreview each time
mPrt->mPrintSettings->SetPrintRange(nsIPrintSettings::kRangeAllPages);
mPrt->mPrintDC = mDeviceContext;
// Cache original Zoom value and then set it to 1.0
mPrt->mPrintDC->GetTextZoom(mPrt->mOrigTextZoom);
mPrt->mPrintDC->GetZoom(mPrt->mOrigZoom);
mPrt->mPrintDC->SetTextZoom(1.0f);
mPrt->mPrintDC->SetZoom(1.0f);
if (mDeviceContext) {
mDeviceContext->SetUseAltDC(kUseAltDCFor_FONTMETRICS, PR_TRUE);
mDeviceContext->SetUseAltDC(kUseAltDCFor_CREATERC_REFLOW, PR_TRUE);
mDeviceContext->SetUseAltDC(kUseAltDCFor_SURFACE_DIM, PR_TRUE);
}
PRBool cacheOldPres = CheckDocumentForPPCaching();
// If we are caching the Presentation then
// end observing the document BEFORE we do any new reflows
if (cacheOldPres && !HasCachedPres()) {
SetCacheOldPres(PR_TRUE);
mPresContext->PresShell()->EndObservingDocument();
}
if (aWebProgressListener != nsnull) {
mPrt->mPrintProgressListeners.AppendElement((void*)aWebProgressListener);
NS_ADDREF(aWebProgressListener);
}
PRBool notifyOnInit = PR_FALSE;
ShowPrintProgress(PR_FALSE, notifyOnInit);
if (!notifyOnInit) {
rv = FinishPrintPreview();
} else {
rv = NS_OK;
}
#endif // NS_PRINT_PREVIEW
return rv;
}
//----------------------------------------------------------------------
NS_IMETHODIMP
nsPrintEngine::PrintPreviewNavigate(PRInt16 aType, PRInt32 aPageNum)
{
return NS_ERROR_FAILURE;
}
//----------------------------------------------------------------------------------
/* readonly attribute boolean isFramesetDocument; */
NS_IMETHODIMP
nsPrintEngine::GetIsFramesetDocument(PRBool *aIsFramesetDocument)
{
nsCOMPtr<nsIDocShell> webContainer(do_QueryInterface(mContainer));
*aIsFramesetDocument = IsParentAFrameSet(webContainer);
return NS_OK;
}
//----------------------------------------------------------------------------------
/* readonly attribute boolean isIFrameSelected; */
NS_IMETHODIMP
nsPrintEngine::GetIsIFrameSelected(PRBool *aIsIFrameSelected)
{
*aIsIFrameSelected = PR_FALSE;
// Get the docshell for this documentviewer
nsCOMPtr<nsIDocShell> webContainer(do_QueryInterface(mContainer));
// Get the currently focused window
nsCOMPtr<nsIDOMWindow> currentFocusWin = FindFocusedDOMWindow();
if (currentFocusWin && webContainer) {
// Get whether the doc contains a frameset
// Also, check to see if the currently focus docshell
// is a child of this docshell
PRPackedBool isParentFrameSet;
*aIsIFrameSelected = IsThereAnIFrameSelected(webContainer, currentFocusWin, isParentFrameSet);
}
return NS_OK;
}
//----------------------------------------------------------------------------------
/* readonly attribute boolean isRangeSelection; */
NS_IMETHODIMP
nsPrintEngine::GetIsRangeSelection(PRBool *aIsRangeSelection)
{
// Get the currently focused window
nsCOMPtr<nsIDOMWindow> currentFocusWin = FindFocusedDOMWindow();
*aIsRangeSelection = IsThereARangeSelection(currentFocusWin);
return NS_OK;
}
//----------------------------------------------------------------------------------
/* readonly attribute boolean isFramesetFrameSelected; */
NS_IMETHODIMP
nsPrintEngine::GetIsFramesetFrameSelected(PRBool *aIsFramesetFrameSelected)
{
// Get the currently focused window
nsCOMPtr<nsIDOMWindow> currentFocusWin = FindFocusedDOMWindow();
*aIsFramesetFrameSelected = currentFocusWin != nsnull;
return NS_OK;
}
//----------------------------------------------------------------------------------
/* readonly attribute long printPreviewNumPages; */
NS_IMETHODIMP
nsPrintEngine::GetPrintPreviewNumPages(PRInt32 *aPrintPreviewNumPages)
{
NS_ENSURE_ARG_POINTER(aPrintPreviewNumPages);
// Finds the SimplePageSequencer frame
// in PP mPrtPreview->mPrintObject->mSeqFrame is null
nsIFrame* seqFrame = nsnull;
*aPrintPreviewNumPages = 0;
if (!mPrtPreview ||
NS_FAILED(GetSeqFrameAndCountPagesInternal(mPrtPreview->mPrintObject, seqFrame, *aPrintPreviewNumPages))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
//----------------------------------------------------------------------------------
/* void exitPrintPreview (); */
NS_IMETHODIMP
nsPrintEngine::ExitPrintPreview()
{
return NS_ERROR_FAILURE;
}
//----------------------------------------------------------------------------------
// Enumerate all the documents for their titles
NS_IMETHODIMP
nsPrintEngine::EnumerateDocumentNames(PRUint32* aCount,
PRUnichar*** aResult)
{
NS_ENSURE_ARG(aCount);
NS_ENSURE_ARG_POINTER(aResult);
*aCount = 0;
*aResult = nsnull;
PRInt32 numDocs = mPrt->mPrintDocList->Count();
PRUnichar** array = (PRUnichar**) nsMemory::Alloc(numDocs * sizeof(PRUnichar*));
if (!array)
return NS_ERROR_OUT_OF_MEMORY;
for (PRInt32 i=0;i<numDocs;i++) {
nsPrintObject* po = (nsPrintObject*)mPrt->mPrintDocList->ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
PRUnichar * docTitleStr;
PRUnichar * docURLStr;
GetDocumentTitleAndURL(po->mDocument, &docTitleStr, &docURLStr);
// Use the URL if the doc is empty
if (!docTitleStr || !*docTitleStr) {
if (docURLStr && *docURLStr) {
nsMemory::Free(docTitleStr);
docTitleStr = docURLStr;
} else {
nsMemory::Free(docURLStr);
}
docURLStr = nsnull;
if (!docTitleStr || !*docTitleStr) {
CleanupDocTitleArray(array, i);
return NS_ERROR_OUT_OF_MEMORY;
}
}
array[i] = docTitleStr;
if (docURLStr) nsMemory::Free(docURLStr);
}
*aCount = numDocs;
*aResult = array;
return NS_OK;
}
//----------------------------------------------------------------------------------
/* readonly attribute nsIPrintSettings globalPrintSettings; */
NS_IMETHODIMP
nsPrintEngine::GetGlobalPrintSettings(nsIPrintSettings * *aGlobalPrintSettings)
{
NS_ENSURE_ARG_POINTER(aGlobalPrintSettings);
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIPrintSettingsService> printSettingsService = do_GetService(sPrintSettingsServiceContractID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = printSettingsService->GetGlobalPrintSettings(aGlobalPrintSettings);
}
return rv;
}
//----------------------------------------------------------------------------------
static void
GetParentWebBrowserPrint(nsISupports *aContainer, nsIWebBrowserPrint **aParent)
{
*aParent = nsnull;
nsCOMPtr<nsIDocShellTreeItem> item(do_QueryInterface(aContainer));
if (item) {
nsCOMPtr<nsIDocShellTreeItem> parent;
item->GetParent(getter_AddRefs(parent));
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(parent));
if (docShell) {
nsCOMPtr<nsIContentViewer> viewer;
docShell->GetContentViewer(getter_AddRefs(viewer));
if (viewer) {
CallQueryInterface(viewer, aParent);
}
}
}
}
//----------------------------------------------------------------------------------
/* readonly attribute boolean doingPrint; */
NS_IMETHODIMP
nsPrintEngine::GetDoingPrint(PRBool *aDoingPrint)
{
NS_ENSURE_ARG_POINTER(aDoingPrint);
*aDoingPrint = mIsDoingPrinting;
if (!*aDoingPrint) {
nsCOMPtr<nsIWebBrowserPrint> wbp;
GetParentWebBrowserPrint(mContainer, getter_AddRefs(wbp));
if (wbp) {
return wbp->GetDoingPrint(aDoingPrint);
}
}
return NS_OK;
}
//----------------------------------------------------------------------------------
/* readonly attribute boolean doingPrintPreview; */
NS_IMETHODIMP
nsPrintEngine::GetDoingPrintPreview(PRBool *aDoingPrintPreview)
{
NS_ENSURE_ARG_POINTER(aDoingPrintPreview);
*aDoingPrintPreview = mIsDoingPrintPreview;
if (!*aDoingPrintPreview) {
nsCOMPtr<nsIWebBrowserPrint> wbp;
GetParentWebBrowserPrint(mContainer, getter_AddRefs(wbp));
if (wbp) {
return wbp->GetDoingPrintPreview(aDoingPrintPreview);
}
}
return NS_OK;
}
//----------------------------------------------------------------------------------
/* readonly attribute nsIPrintSettings currentPrintSettings; */
NS_IMETHODIMP
nsPrintEngine::GetCurrentPrintSettings(nsIPrintSettings * *aCurrentPrintSettings)
{
NS_ENSURE_ARG_POINTER(aCurrentPrintSettings);
if (mPrt) {
*aCurrentPrintSettings = mPrt->mPrintSettings;
} else if (mPrtPreview) {
*aCurrentPrintSettings = mPrtPreview->mPrintSettings;
} else {
*aCurrentPrintSettings = nsnull;
}
NS_IF_ADDREF(*aCurrentPrintSettings);
return NS_OK;
}
//----------------------------------------------------------------------------------
/* readonly attribute nsIDOMWindow currentChildDOMWindow; */
NS_IMETHODIMP
nsPrintEngine::GetCurrentChildDOMWindow(nsIDOMWindow * *aCurrentChildDOMWindow)
{
NS_ENSURE_ARG_POINTER(aCurrentChildDOMWindow);
*aCurrentChildDOMWindow = nsnull;
return NS_ERROR_NOT_IMPLEMENTED;
}
//----------------------------------------------------------------------------------
/* void cancel (); */
NS_IMETHODIMP
nsPrintEngine::Cancel()
{
if (mPrt && mPrt->mPrintSettings) {
return mPrt->mPrintSettings->SetIsCancelled(PR_TRUE);
}
return NS_ERROR_FAILURE;
}
//-----------------------------------------------------------------
//-- Section: Pre-Reflow Methods
//-----------------------------------------------------------------
//---------------------------------------------------------------------
// This method checks to see if there is at least one printer defined
// and if so, it sets the first printer in the list as the default name
// in the PrintSettings which is then used for Printer Preview
nsresult
nsPrintEngine::CheckForPrinters(nsIPrintOptions* aPrintOptions,
nsIPrintSettings* aPrintSettings)
{
NS_ENSURE_ARG_POINTER(aPrintOptions);
NS_ENSURE_ARG_POINTER(aPrintSettings);
nsresult rv;
nsCOMPtr<nsISimpleEnumerator> simpEnum;
rv = aPrintOptions->AvailablePrinters(getter_AddRefs(simpEnum));
if (simpEnum) {
PRBool fndPrinter = PR_FALSE;
simpEnum->HasMoreElements(&fndPrinter);
if (fndPrinter) {
// For now, it assumes the first item in the list
// is the default printer, but only set the
// printer name if there isn't one
nsCOMPtr<nsISupports> supps;
simpEnum->GetNext(getter_AddRefs(supps));
PRUnichar* defPrinterName;
aPrintSettings->GetPrinterName(&defPrinterName);
if (!defPrinterName || !*defPrinterName) {
if (defPrinterName) nsMemory::Free(defPrinterName);
nsCOMPtr<nsISupportsString> wStr = do_QueryInterface(supps);
if (wStr) {
wStr->ToString(&defPrinterName);
aPrintSettings->SetPrinterName(defPrinterName);
nsMemory::Free(defPrinterName);
}
} else {
nsMemory::Free(defPrinterName);
}
rv = NS_OK;
}
} else {
// this means there were no printers
// XXX the ifdefs are temporary until they correctly implement Available Printers
#if defined(XP_MAC) || defined(XP_MACOSX)
rv = NS_OK;
#endif
}
return rv;
}
/** ---------------------------------------------------
* Check to see if the current Presentation should be cached
*
*/
PRBool
nsPrintEngine::CheckDocumentForPPCaching()
{
// Here is where we determine if we need to cache the old presentation
PRBool cacheOldPres = PR_FALSE;
// Only check if it is the first time into PP
if (!mOldPrtPreview) {
// First check the Pref
cacheOldPres = nsContentUtils::GetBoolPref("print.always_cache_old_pres");
// Temp fix for FrameSet Print Preview Bugs
if (!cacheOldPres && mPrt->mPrintObject->mFrameType == eFrameSet) {
cacheOldPres = PR_TRUE;
}
if (!cacheOldPres) {
for (PRInt32 i=0;i<mPrt->mPrintDocList->Count();i++) {
nsPrintObject* po = (nsPrintObject*)mPrt->mPrintDocList->ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
// Temp fix for FrameSet Print Preview Bugs
if (po->mFrameType == eIFrame) {
cacheOldPres = PR_TRUE;
break;
}
// If we aren't caching because of prefs check embeds.
nsCOMPtr<nsIDOMNSHTMLDocument> nshtmlDoc = do_QueryInterface(po->mDocument);
if (nshtmlDoc) {
nsCOMPtr<nsIDOMHTMLCollection> applets;
nshtmlDoc->GetEmbeds(getter_AddRefs(applets));
if (applets) {
PRUint32 length = 0;
if (NS_SUCCEEDED(applets->GetLength(&length))) {
if (length > 0) {
cacheOldPres = PR_TRUE;
break;
}
}
}
}
// If we aren't caching because of prefs or embeds check applets.
nsCOMPtr<nsIDOMHTMLDocument> htmldoc = do_QueryInterface(po->mDocument);
if (htmldoc) {
nsCOMPtr<nsIDOMHTMLCollection> embeds;
htmldoc->GetApplets(getter_AddRefs(embeds));
if (embeds) {
PRUint32 length = 0;
if (NS_SUCCEEDED(embeds->GetLength(&length))) {
if (length > 0) {
cacheOldPres = PR_TRUE;
break;
}
}
}
}
}
}
}
return cacheOldPres;
}
//----------------------------------------------------------------------
// Set up to use the "pluggable" Print Progress Dialog
void
nsPrintEngine::ShowPrintProgress(PRBool aIsForPrinting, PRBool& aDoNotify)
{
// default to not notifying, that if something here goes wrong
// or we aren't going to show the progress dialog we can straight into
// reflowing the doc for printing.
aDoNotify = PR_FALSE;
// Assume we can't do progress and then see if we can
mPrt->mShowProgressDialog = PR_FALSE;
// if it is already being shown then don't bother to find out if it should be
// so skip this and leave mShowProgressDialog set to FALSE
if (!mPrt->mProgressDialogIsShown) {
mPrt->mShowProgressDialog =
nsContentUtils::GetBoolPref("print.show_print_progress");
}
// Turning off the showing of Print Progress in Prefs overrides
// whether the calling PS desire to have it on or off, so only check PS if
// prefs says it's ok to be on.
if (mPrt->mShowProgressDialog) {
mPrt->mPrintSettings->GetShowPrintProgress(&mPrt->mShowProgressDialog);
}
// Now open the service to get the progress dialog
// If we don't get a service, that's ok, then just don't show progress
if (mPrt->mShowProgressDialog) {
nsCOMPtr<nsIPrintingPromptService> printPromptService(do_GetService(kPrintingPromptService));
if (printPromptService) {
nsCOMPtr<nsIDOMWindow> domWin = do_QueryInterface(mDocument->GetScriptGlobalObject());
if (!domWin) return;
nsCOMPtr<nsIWebBrowserPrint> wbp(do_QueryInterface(mDocViewerPrint));
nsresult rv = printPromptService->ShowProgress(domWin, wbp, mPrt->mPrintSettings, this, aIsForPrinting,
getter_AddRefs(mPrt->mPrintProgressListener),
getter_AddRefs(mPrt->mPrintProgressParams),
&aDoNotify);
if (NS_SUCCEEDED(rv)) {
mPrt->mShowProgressDialog = mPrt->mPrintProgressListener != nsnull && mPrt->mPrintProgressParams != nsnull;
if (mPrt->mShowProgressDialog) {
mPrt->mPrintProgressListeners.AppendElement((void*)mPrt->mPrintProgressListener);
nsIWebProgressListener* wpl = NS_STATIC_CAST(nsIWebProgressListener*, mPrt->mPrintProgressListener.get());
NS_ASSERTION(wpl, "nsIWebProgressListener is NULL!");
NS_ADDREF(wpl);
SetDocAndURLIntoProgress(mPrt->mPrintObject, mPrt->mPrintProgressParams);
}
}
}
}
}
//---------------------------------------------------------------------
PRBool
nsPrintEngine::IsThereARangeSelection(nsIDOMWindow* aDOMWin)
{
nsCOMPtr<nsIPresShell> presShell;
if (aDOMWin) {
nsCOMPtr<nsIScriptGlobalObject> scriptObj(do_QueryInterface(aDOMWin));
scriptObj->GetDocShell()->GetPresShell(getter_AddRefs(presShell));
}
// check here to see if there is a range selection
// so we know whether to turn on the "Selection" radio button
nsCOMPtr<nsISelection> selection;
mDocViewerPrint->GetDocumentSelection(getter_AddRefs(selection), presShell);
if (selection) {
PRInt32 count;
selection->GetRangeCount(&count);
if (count == 1) {
nsCOMPtr<nsIDOMRange> range;
if (NS_SUCCEEDED(selection->GetRangeAt(0, getter_AddRefs(range)))) {
// check to make sure it isn't an insertion selection
PRBool isCollapsed;
selection->GetIsCollapsed(&isCollapsed);
return !isCollapsed;
}
}
}
return PR_FALSE;
}
//---------------------------------------------------------------------
PRBool
nsPrintEngine::IsParentAFrameSet(nsIDocShell * aParent)
{
NS_ASSERTION(aParent, "Pointer is null!");
nsCOMPtr<nsIPresShell> shell;
aParent->GetPresShell(getter_AddRefs(shell));
NS_ASSERTION(shell, "shell can't be null");
// See if if the incoming doc is the root document
nsCOMPtr<nsIDocShellTreeItem> parentAsItem(do_QueryInterface(aParent));
if (!parentAsItem) return PR_FALSE;
// When it is the top level document we need to check
// to see if it contains a frameset. If it does, then
// we only want to print the doc's children and not the document itself
// For anything else we always print all the children and the document
// for example, if the doc contains an IFRAME we eant to print the child
// document (the IFRAME) and then the rest of the document.
//
// XXX we really need to search the frame tree, and not the content
// but there is no way to distinguish between IFRAMEs and FRAMEs
// with the GetFrameType call.
// Bug 53459 has been files so we can eventually distinguish
// between IFRAME frames and FRAME frames
PRBool isFrameSet = PR_FALSE;
// only check to see if there is a frameset if there is
// NO parent doc for this doc. meaning this parent is the root doc
if (shell) {
nsIDocument *doc = shell->GetDocument();
if (doc) {
nsIContent *rootContent = doc->GetRootContent();
if (rootContent) {
isFrameSet = HasFramesetChild(rootContent);
}
}
}
return isFrameSet;
}
//---------------------------------------------------------------------
// Recursively build a list of of sub documents to be printed
// that mirrors the document tree
void
nsPrintEngine::BuildDocTree(nsIDocShellTreeNode * aParentNode,
nsVoidArray * aDocList,
nsPrintObject * aPO)
{
NS_ASSERTION(aParentNode, "Pointer is null!");
NS_ASSERTION(aDocList, "Pointer is null!");
NS_ASSERTION(aPO, "Pointer is null!");
// Get the Doc and Title String
GetDocumentTitleAndURL(aPO->mDocument, &aPO->mDocTitle, &aPO->mDocURL);
PRInt32 childWebshellCount;
aParentNode->GetChildCount(&childWebshellCount);
if (childWebshellCount > 0) {
for (PRInt32 i=0;i<childWebshellCount;i++) {
nsCOMPtr<nsIDocShellTreeItem> child;
aParentNode->GetChildAt(i, getter_AddRefs(child));
nsCOMPtr<nsIDocShell> childAsShell(do_QueryInterface(child));
nsCOMPtr<nsIPresShell> presShell;
childAsShell->GetPresShell(getter_AddRefs(presShell));
if (!presShell) {
continue;
}
nsCOMPtr<nsIContentViewer> viewer;
childAsShell->GetContentViewer(getter_AddRefs(viewer));
if (viewer) {
nsCOMPtr<nsIContentViewerFile> viewerFile(do_QueryInterface(viewer));
if (viewerFile) {
nsCOMPtr<nsIDocShell> childDocShell(do_QueryInterface(child));
nsCOMPtr<nsIDocShellTreeNode> childNode(do_QueryInterface(child));
nsPrintObject * po = new nsPrintObject();
if (NS_FAILED(po->Init(childDocShell))) {
NS_ASSERTION(0, "Failed initializing the Print Object");
}
po->mParent = aPO;
aPO->mKids.AppendElement(po);
aDocList->AppendElement(po);
BuildDocTree(childNode, aDocList, po);
}
}
}
}
}
//---------------------------------------------------------------------
void
nsPrintEngine::GetDocumentTitleAndURL(nsIDocument* aDoc,
PRUnichar** aTitle,
PRUnichar** aURLStr)
{
NS_ASSERTION(aDoc, "Pointer is null!");
NS_ASSERTION(aTitle, "Pointer is null!");
NS_ASSERTION(aURLStr, "Pointer is null!");
*aTitle = nsnull;
*aURLStr = nsnull;
const nsAString &docTitle = aDoc->GetDocumentTitle();
if (!docTitle.IsEmpty()) {
*aTitle = ToNewUnicode(docTitle);
}
nsIURI* url = aDoc->GetDocumentURI();
if (!url) return;
nsCOMPtr<nsIURIFixup> urifixup(do_GetService(NS_URIFIXUP_CONTRACTID));
if (!urifixup) return;
nsCOMPtr<nsIURI> exposableURI;
urifixup->CreateExposableURI(url, getter_AddRefs(exposableURI));
if (!exposableURI) return;
nsCAutoString urlCStr;
exposableURI->GetSpec(urlCStr);
*aURLStr = UTF8ToNewUnicode(urlCStr);
}
//---------------------------------------------------------------------
// The walks the PO tree and for each document it walks the content
// tree looking for any content that are sub-shells
//
// It then sets the mContent pointer in the "found" PO object back to the
// the document that contained it.
void
nsPrintEngine::MapContentToWebShells(nsPrintObject* aRootPO,
nsPrintObject* aPO)
{
NS_ASSERTION(aRootPO, "Pointer is null!");
NS_ASSERTION(aPO, "Pointer is null!");
// Recursively walk the content from the root item
nsCOMPtr<nsIPresShell> presShell;
nsCOMPtr<nsIContent> rootContent;
GetPresShellAndRootContent(aPO->mDocShell, getter_AddRefs(presShell), getter_AddRefs(rootContent));
if (presShell && rootContent) {
MapContentForPO(aRootPO, presShell, rootContent);
}
// Continue recursively walking the chilren of this PO
for (PRInt32 i=0;i<aPO->mKids.Count();i++) {
MapContentToWebShells(aRootPO, (nsPrintObject*)aPO->mKids[i]);
}
}
//-------------------------------------------------------
// A Frame's sub-doc may contain content or a FrameSet
// When it contains a FrameSet the mFrameType for the PrintObject
// is always set to an eFrame. Which is fine when printing "AsIs"
// but is incorrect when when printing "Each Frame Separately".
// When printing "Each Frame Separately" the Frame really acts like
// a frameset.
//
// This method walks the PO tree and checks to see if the PrintObject is
// an eFrame and has children that are eFrames (meaning it's a Frame containing a FrameSet)
// If so, then the mFrameType need to be changed to eFrameSet
//
// Also note: We only want to call this we are printing "Each Frame Separately"
// when printing "As Is" leave it as an eFrame
void
nsPrintEngine::CheckForChildFrameSets(nsPrintObject* aPO)
{
NS_ASSERTION(aPO, "Pointer is null!");
// Continue recursively walking the chilren of this PO
PRBool hasChildFrames = PR_FALSE;
for (PRInt32 i=0;i<aPO->mKids.Count();i++) {
nsPrintObject* po = (nsPrintObject*)aPO->mKids[i];
CheckForChildFrameSets(po);
if (po->mFrameType == eFrame) {
hasChildFrames = PR_TRUE;
}
}
if (hasChildFrames && aPO->mFrameType == eFrame) {
aPO->mFrameType = eFrameSet;
}
}
//---------------------------------------------------------------------
// This method is key to the entire print mechanism.
//
// This "maps" or figures out which sub-doc represents a
// given Frame or IFrame in it's parent sub-doc.
//
// So the Mcontent pointer in the child sub-doc points to the
// content in the it's parent document, that caused it to be printed.
// This is used later to (after reflow) to find the absolute location
// of the sub-doc on it's parent's page frame so it can be
// printed in the correct location.
//
// This method recursvely "walks" the content for a document finding
// all the Frames and IFrames, then sets the "mFrameType" data member
// which tells us what type of PO we have
void
nsPrintEngine::MapContentForPO(nsPrintObject* aRootObject,
nsIPresShell* aPresShell,
nsIContent* aContent)
{
NS_ASSERTION(aRootObject, "Pointer is null!");
NS_ASSERTION(aPresShell, "Pointer is null!");
NS_ASSERTION(aContent, "Pointer is null!");
nsIDocument* doc = aContent->GetDocument();
if (!doc) {
NS_ERROR("No document!");
return;
}
nsIDocument* subDoc = doc->GetSubDocumentFor(aContent);
if (subDoc) {
nsIPresShell *presShell = subDoc->GetShellAt(0);
nsCOMPtr<nsISupports> container = subDoc->GetContainer();
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(container));
if (presShell && docShell) {
nsPrintObject * po = FindPrintObjectByDS(aRootObject, docShell);
NS_ASSERTION(po, "PO can't be null!");
if (po) {
po->mContent = aContent;
// Now, "type" the PO
nsCOMPtr<nsIDOMHTMLFrameSetElement> frameSet =
do_QueryInterface(aContent);
if (frameSet) {
po->mFrameType = eFrameSet;
} else {
nsCOMPtr<nsIDOMHTMLFrameElement> frame(do_QueryInterface(aContent));
if (frame) {
po->mFrameType = eFrame;
} else {
nsCOMPtr<nsIDOMHTMLObjectElement> objElement =
do_QueryInterface(aContent);
nsCOMPtr<nsIDOMHTMLIFrameElement> iFrame =
do_QueryInterface(aContent);
if (iFrame || objElement) {
po->mFrameType = eIFrame;
po->mPrintAsIs = PR_TRUE;
if (po->mParent) {
po->mParent->mPrintAsIs = PR_TRUE;
}
}
}
}
}
}
}
// walk children content
PRUint32 count = aContent->GetChildCount();
for (PRUint32 i = 0; i < count; ++i) {
nsIContent *child = aContent->GetChildAt(i);
MapContentForPO(aRootObject, aPresShell, child);
}
}
//---------------------------------------------------------------------
// Recursively finds a nsPrintObject that has the aDocShell
nsPrintObject * nsPrintEngine::FindPrintObjectByDS(nsPrintObject* aPO, nsIDocShell * aDocShell)
{
NS_ASSERTION(aPO, "Pointer is null!");
NS_ASSERTION(aDocShell, "Pointer is null!");
if (aPO->mDocShell == aDocShell) {
return aPO;
}
PRInt32 cnt = aPO->mKids.Count();
for (PRInt32 i=0;i<cnt;i++) {
nsPrintObject* kid = (nsPrintObject*)aPO->mKids.ElementAt(i);
NS_ASSERTION(kid, "nsPrintObject can't be null!");
nsPrintObject* po = FindPrintObjectByDS(kid, aDocShell);
if (po != nsnull) {
return po;
}
}
return nsnull;
}
//---------------------------------------------------------------------
PRBool
nsPrintEngine::IsThereAnIFrameSelected(nsIDocShell* aDocShell,
nsIDOMWindow* aDOMWin,
PRPackedBool& aIsParentFrameSet)
{
aIsParentFrameSet = IsParentAFrameSet(aDocShell);
PRBool iFrameIsSelected = PR_FALSE;
if (mPrt && mPrt->mPrintObject) {
nsPrintObject* po = FindPrintObjectByDOMWin(mPrt->mPrintObject, aDOMWin);
iFrameIsSelected = po && po->mFrameType == eIFrame;
} else {
// First, check to see if we are a frameset
if (!aIsParentFrameSet) {
// Check to see if there is a currenlt focused frame
// if so, it means the selected frame is either the main docshell
// or an IFRAME
if (aDOMWin) {
// Get the main docshell's DOMWin to see if it matches
// the frame that is selected
nsCOMPtr<nsIDOMWindow> domWin = do_GetInterface(aDocShell);
if (domWin != aDOMWin) {
iFrameIsSelected = PR_TRUE; // we have a selected IFRAME
}
}
}
}
return iFrameIsSelected;
}
/** ---------------------------------------------------
* Check to see if the FrameSet Frame is Hidden
* if it is then don't let it be reflowed, printed, or shown
*/
void nsPrintEngine::CheckForHiddenFrameSetFrames()
{
for (PRInt32 i=0;i<mPrt->mPrintDocList->Count();i++) {
nsPrintObject* po = (nsPrintObject*)mPrt->mPrintDocList->ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
nsIFrame* frame = po->mDisplayPresShell->FrameManager()->GetRootFrame();
if (frame && frame->GetSize().height == 0) {
// set this PO and its children to not print and be hidden
SetPrintPO(po, PR_FALSE, PR_TRUE, eSetPrintFlag | eSetHiddenFlag);
}
}
}
//---------------------------------------------------------------------
// Recursively sets all the PO items to be printed
// from the given item down into the tree
void
nsPrintEngine::SetPrintPO(nsPrintObject* aPO, PRBool aPrint,
PRBool aIsHidden, PRUint32 aFlags)
{
NS_ASSERTION(aPO, "Pointer is null!");
// Set whether to print flag
// If it is hidden dont' allow ANY changes to the mDontPrint
// because mDontPrint has already been turned off
if ((aFlags & eSetPrintFlag) && !aPO->mIsHidden) aPO->mDontPrint = !aPrint;
// Set hidden flag
if (aFlags & eSetHiddenFlag) aPO->mIsHidden = aIsHidden;
for (PRInt32 i=0;i<aPO->mKids.Count();i++) {
SetPrintPO((nsPrintObject*)aPO->mKids[i], aPrint, aIsHidden, aFlags);
}
}
//---------------------------------------------------------------------
// This will first use a Title and/or URL from the PrintSettings
// if one isn't set then it uses the one from the document
// then if not title is there we will make sure we send something back
// depending on the situation.
void
nsPrintEngine::GetDisplayTitleAndURL(nsPrintObject* aPO,
nsIPrintSettings* aPrintSettings,
const PRUnichar* aBrandName,
PRUnichar** aTitle,
PRUnichar** aURLStr,
eDocTitleDefault aDefType)
{
NS_ASSERTION(aBrandName, "Pointer is null!");
NS_ASSERTION(aPO, "Pointer is null!");
NS_ASSERTION(aTitle, "Pointer is null!");
NS_ASSERTION(aURLStr, "Pointer is null!");
*aTitle = nsnull;
*aURLStr = nsnull;
// First check to see if the PrintSettings has defined an alternate title
// and use that if it did
PRUnichar * docTitleStrPS = nsnull;
PRUnichar * docURLStrPS = nsnull;
if (aPrintSettings) {
aPrintSettings->GetTitle(&docTitleStrPS);
aPrintSettings->GetDocURL(&docURLStrPS);
if (docTitleStrPS && *docTitleStrPS) {
*aTitle = docTitleStrPS;
}
if (docURLStrPS && *docURLStrPS) {
*aURLStr = docURLStrPS;
}
// short circut
if (docTitleStrPS && docURLStrPS) {
return;
}
}
if (!docURLStrPS) {
if (aPO->mDocURL) {
*aURLStr = nsCRT::strdup(aPO->mDocURL);
}
}
if (!docTitleStrPS) {
if (aPO->mDocTitle) {
*aTitle = nsCRT::strdup(aPO->mDocTitle);
} else {
switch (aDefType) {
case eDocTitleDefBlank: *aTitle = ToNewUnicode(EmptyString());
break;
case eDocTitleDefURLDoc:
if (*aURLStr) {
*aTitle = nsCRT::strdup(*aURLStr);
} else {
if (aBrandName) *aTitle = nsCRT::strdup(aBrandName);
}
break;
default:
break;
} // switch
}
}
}
//---------------------------------------------------------------------
nsresult nsPrintEngine::DocumentReadyForPrinting()
{
if (mPrt->mPrintFrameType == nsIPrintSettings::kEachFrameSep) {
CheckForChildFrameSets(mPrt->mPrintObject);
}
//
// Send the document to the printer...
//
nsresult rv = SetupToPrintContent(mPrt->mPrintDC, mPrt->mCurrentFocusWin);
if (NS_FAILED(rv)) {
// The print job was canceled or there was a problem
// So remove all other documents from the print list
DonePrintingPages(nsnull, rv);
}
return rv;
}
/** ---------------------------------------------------
* Cleans up when an error occurred
*/
nsresult nsPrintEngine::CleanupOnFailure(nsresult aResult, PRBool aIsPrinting)
{
PR_PL(("**** Failed %s - rv 0x%X", aIsPrinting?"Printing":"Print Preview", aResult));
/* cleanup... */
if (mPagePrintTimer) {
mPagePrintTimer->Stop();
NS_RELEASE(mPagePrintTimer);
}
SetIsPrinting(PR_FALSE);
/* cleanup done, let's fire-up an error dialog to notify the user
* what went wrong...
*
* When rv == NS_ERROR_ABORT, it means we want out of the
* print job without displaying any error messages
*/
if (aResult != NS_ERROR_ABORT) {
ShowPrintErrorDialog(aResult, aIsPrinting);
}
FirePrintCompletionEvent();
return aResult;
}
//---------------------------------------------------------------------
void
nsPrintEngine::ShowPrintErrorDialog(nsresult aPrintError, PRBool aIsPrinting)
{
PR_PL(("nsPrintEngine::ShowPrintErrorDialog(nsresult aPrintError=%lx, PRBool aIsPrinting=%d)\n", (long)aPrintError, (int)aIsPrinting));
nsCAutoString stringName;
switch(aPrintError)
{
#define NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(nserr) case nserr: stringName.AssignLiteral(#nserr); break;
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_CMD_NOT_FOUND)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_CMD_FAILURE)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_NO_PRINTER_AVAILABLE)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_NAME_NOT_FOUND)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_ACCESS_DENIED)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_INVALID_ATTRIBUTE)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PRINTER_NOT_READY)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_OUT_OF_PAPER)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PRINTER_IO_ERROR)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_COULD_NOT_OPEN_FILE)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_FILE_IO_ERROR)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PRINTPREVIEW)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_UNEXPECTED)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_OUT_OF_MEMORY)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_NOT_IMPLEMENTED)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_NOT_AVAILABLE)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_ABORT)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_STARTDOC)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_ENDDOC)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_STARTPAGE)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_ENDPAGE)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PRINT_WHILE_PREVIEW)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PAPER_SIZE_NOT_SUPPORTED)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_ORIENTATION_NOT_SUPPORTED)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_COLORSPACE_NOT_SUPPORTED)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_TOO_MANY_COPIES)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_DRIVER_CONFIGURATION_ERROR)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_XPRINT_BROKEN_XPRT)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_DOC_IS_BUSY_PP)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_DOC_WAS_DESTORYED)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_NO_PRINTDIALOG_IN_TOOLKIT)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_NO_PRINTROMPTSERVICE)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_NO_XUL) // Temporary code for Bug 136185 / bug 240490
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_XPRINT_NO_XPRINT_SERVERS_FOUND)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_PLEX_NOT_SUPPORTED)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_DOC_IS_BUSY)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTING_NOT_IMPLEMENTED)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_COULD_NOT_LOAD_PRINT_MODULE)
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_GFX_PRINTER_RESOLUTION_NOT_SUPPORTED)
default:
NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG(NS_ERROR_FAILURE)
#undef NS_ERROR_TO_LOCALIZED_PRINT_ERROR_MSG
}
PR_PL(("ShowPrintErrorDialog: stringName='%s'\n", stringName.get()));
nsXPIDLString msg, title;
nsresult rv =
nsContentUtils::GetLocalizedString(nsContentUtils::ePRINTING_PROPERTIES,
stringName.get(), msg);
if (NS_FAILED(rv)) {
PR_PL(("GetLocalizedString failed\n"));
return;
}
rv = nsContentUtils::GetLocalizedString(nsContentUtils::ePRINTING_PROPERTIES,
aIsPrinting ? "print_error_dialog_title"
: "printpreview_error_dialog_title",
title);
nsCOMPtr<nsIWindowWatcher> wwatch = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
PR_PL(("ShowPrintErrorDialog(): wwatch==nsnull\n"));
return;
}
nsCOMPtr<nsIDOMWindow> active;
wwatch->GetActiveWindow(getter_AddRefs(active));
nsCOMPtr<nsIPrompt> dialog;
/* |GetNewPrompter| allows that |active| is |nsnull|
* (see bug 234982 ("nsPrintEngine::ShowPrintErrorDialog() fails in many cases")) */
wwatch->GetNewPrompter(active, getter_AddRefs(dialog));
if (!dialog) {
PR_PL(("ShowPrintErrorDialog(): dialog==nsnull\n"));
return;
}
dialog->Alert(title.get(), msg.get());
PR_PL(("ShowPrintErrorDialog(): alert displayed successfully.\n"));
}
//-----------------------------------------------------------------
//-- Section: Reflow Methods
//-----------------------------------------------------------------
//-------------------------------------------------------
nsresult
nsPrintEngine::SetupToPrintContent(nsIDeviceContext* aDContext,
nsIDOMWindow* aCurrentFocusedDOMWin)
{
NS_ENSURE_ARG_POINTER(aDContext);
// NOTE: aCurrentFocusedDOMWin may be null (which is OK)
mPrt->mPrintDocDC = aDContext;
// In this step we figure out which documents should be printed
// i.e. if we are printing the selection then only enable that nsPrintObject
// for printing
if (NS_FAILED(EnablePOsForPrinting())) {
return NS_ERROR_FAILURE;
}
DUMP_DOC_LIST("\nAfter Enable------------------------------------------");
// This is an Optimization
// If we are in PP then we already know all the shrinkage information
// so just transfer it to the PrintData and we will skip the extra shrinkage reflow
//
// doSetPixelScale tells Reflow whether to set the shrinkage value into the DC
// The first tru we do not want to do this, the second time thru we do
PRBool doSetPixelScale = PR_FALSE;
PRBool ppIsShrinkToFit = mPrtPreview && mPrtPreview->mShrinkToFit;
if (ppIsShrinkToFit) {
mPrt->mShrinkRatio = mPrtPreview->mShrinkRatio;
doSetPixelScale = PR_TRUE;
}
// Here we reflow all the PrintObjects
nsresult rv = ReflowDocList(mPrt->mPrintObject, doSetPixelScale, mPrt->mShrinkToFit);
CHECK_RUNTIME_ERROR_CONDITION(nsIDebugObject::PRT_RUNTIME_REFLOWDOCLIST, rv, NS_ERROR_FAILURE);
if (NS_FAILED(rv)) {
return NS_ERROR_FAILURE;
}
// Here is where we do the extra reflow for shrinking the content
// But skip this step if we are in PrintPreview
if (mPrt->mShrinkToFit && !ppIsShrinkToFit) {
// Now look for the PO that has the smallest percent for shrink to fit
if (mPrt->mPrintDocList->Count() > 1 && mPrt->mPrintObject->mFrameType == eFrameSet) {
nsPrintObject* smallestPO = FindSmallestSTF();
NS_ASSERTION(smallestPO, "There must always be an XMost PO!");
if (smallestPO) {
// Calc the shrinkage based on the entire content area
mPrt->mShrinkRatio = smallestPO->mShrinkRatio;
}
} else {
// Single document so use the Shrink as calculated for the PO
mPrt->mShrinkRatio = mPrt->mPrintObject->mShrinkRatio;
}
// Only Shrink if we are smaller
if (mPrt->mShrinkRatio < 0.998f) {
// Clamp Shrink to Fit to 60%
mPrt->mShrinkRatio = PR_MAX(mPrt->mShrinkRatio, 0.60f);
for (PRInt32 i=0;i<mPrt->mPrintDocList->Count();i++) {
nsPrintObject* po = (nsPrintObject*)mPrt->mPrintDocList->ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
// Wipe out the presentation before we reflow
po->DestroyPresentation();
}
#if (defined(XP_WIN) || defined(XP_OS2)) && defined(EXTENDED_DEBUG_PRINTING)
// We need to clear all the output files here
// because they will be re-created with second reflow of the docs
if (kPrintingLogMod && kPrintingLogMod->level == DUMP_LAYOUT_LEVEL) {
RemoveFilesInDir(".\\");
gDumpFileNameCnt = 0;
gDumpLOFileNameCnt = 0;
}
#endif
// Here we reflow all the PrintObjects a second time
// this time using the shrinkage values
// The last param here tells reflow to NOT calc the shrinkage values
if (NS_FAILED(ReflowDocList(mPrt->mPrintObject, PR_TRUE, PR_FALSE))) {
return NS_ERROR_FAILURE;
}
}
#ifdef PR_LOGGING
{
float calcRatio = 0.0f;
if (mPrt->mPrintDocList->Count() > 1 && mPrt->mPrintObject->mFrameType == eFrameSet) {
nsPrintObject* smallestPO = FindSmallestSTF();
NS_ASSERTION(smallestPO, "There must always be an XMost PO!");
if (smallestPO) {
// Calc the shrinkage based on the entire content area
calcRatio = smallestPO->mShrinkRatio;
}
} else {
// Single document so use the Shrink as calculated for the PO
calcRatio = mPrt->mPrintObject->mShrinkRatio;
}
PR_PL(("**************************************************************************\n"));
PR_PL(("STF Ratio is: %8.5f Effective Ratio: %8.5f Diff: %8.5f\n", mPrt->mShrinkRatio, calcRatio, mPrt->mShrinkRatio-calcRatio));
PR_PL(("**************************************************************************\n"));
}
#endif
}
DUMP_DOC_LIST(("\nAfter Reflow------------------------------------------"));
PR_PL(("\n"));
PR_PL(("-------------------------------------------------------\n"));
PR_PL(("\n"));
// Set up the clipping rectangle for all documents
// When frames are being printed as part of a frame set and also IFrames,
// they are reflowed with a very large page height. We need to setup the
// clipping so they do not rpint over top of anything else
PR_PL(("SetClipRect-------------------------------------------------------\n"));
nsRect clipRect(-1,-1,-1, -1);
SetClipRect(mPrt->mPrintObject, clipRect, 0, 0, PR_FALSE);
CalcNumPrintableDocsAndPages(mPrt->mNumPrintableDocs, mPrt->mNumPrintablePages);
PR_PL(("--- Printing %d docs and %d pages\n", mPrt->mNumPrintableDocs, mPrt->mNumPrintablePages));
DUMP_DOC_TREELAYOUT;
// Print listener setup...
if (mPrt != nsnull) {
mPrt->OnStartPrinting();
}
mPrt->mPrintDocDW = aCurrentFocusedDOMWin;
PRUnichar* fileName = nsnull;
// check to see if we are printing to a file
PRBool isPrintToFile = PR_FALSE;
mPrt->mPrintSettings->GetPrintToFile(&isPrintToFile);
if (isPrintToFile) {
// On some platforms The BeginDocument needs to know the name of the file
// and it uses the PrintService to get it, so we need to set it into the PrintService here
mPrt->mPrintSettings->GetToFileName(&fileName);
}
PRUnichar * docTitleStr;
PRUnichar * docURLStr;
GetDisplayTitleAndURL(mPrt->mPrintObject, mPrt->mPrintSettings, mPrt->mBrandName, &docTitleStr, &docURLStr, eDocTitleDefURLDoc);
PRInt32 startPage = 1;
PRInt32 endPage = mPrt->mNumPrintablePages;
PRInt16 printRangeType = nsIPrintSettings::kRangeAllPages;
mPrt->mPrintSettings->GetPrintRange(&printRangeType);
if (printRangeType == nsIPrintSettings::kRangeSpecifiedPageRange) {
mPrt->mPrintSettings->GetStartPageRange(&startPage);
mPrt->mPrintSettings->GetEndPageRange(&endPage);
if (endPage > mPrt->mNumPrintablePages) {
endPage = mPrt->mNumPrintablePages;
}
}
rv = NS_OK;
// BeginDocument may pass back a FAILURE code
// i.e. On Windows, if you are printing to a file and hit "Cancel"
// to the "File Name" dialog, this comes back as an error
// Don't start printing when regression test are executed
if (!mPrt->mDebugFilePtr && mIsDoingPrinting) {
rv = mPrt->mPrintDC->BeginDocument(docTitleStr, fileName, startPage, endPage);
}
PR_PL(("****************** Begin Document ************************\n"));
if (docTitleStr) nsMemory::Free(docTitleStr);
if (docURLStr) nsMemory::Free(docURLStr);
CHECK_RUNTIME_ERROR_CONDITION(nsIDebugObject::PRT_RUNTIME_BEGINDOC, rv, NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(rv, rv);
// This will print the docshell document
// when it completes asynchronously in the DonePrintingPages method
// it will check to see if there are more docshells to be printed and
// then PrintDocContent will be called again.
if (mIsDoingPrinting) {
PrintDocContent(mPrt->mPrintObject, rv); // ignore return value
}
return rv;
}
//-------------------------------------------------------
// Recursively reflow each sub-doc and then calc
// all the frame locations of the sub-docs
nsresult
nsPrintEngine::ReflowDocList(nsPrintObject* aPO, PRBool aSetPixelScale, PRBool aDoCalcShrink)
{
NS_ASSERTION(aPO, "Pointer is null!");
if (!aPO) return NS_ERROR_FAILURE;
// Check to see if the subdocument's element has been hidden by the parent document
if (aPO->mParent) {
nsIFrame * frame;
aPO->mParent->mPresShell->GetPrimaryFrameFor(aPO->mContent, &frame);
if (frame) {
if (!frame->GetStyleVisibility()->IsVisible()) {
aPO->mDontPrint = PR_TRUE;
aPO->mInvisible = PR_TRUE;
return NS_OK;
}
}
}
// Don't reflow hidden POs
if (aPO->mIsHidden) return NS_OK;
// Here is where we set the shrinkage value into the DC
// and this is what actually makes it shrink
if (aSetPixelScale && aPO->mFrameType != eIFrame) {
float ratio;
if (mPrt->mPrintFrameType == nsIPrintSettings::kFramesAsIs || mPrt->mPrintFrameType == nsIPrintSettings::kNoFrames) {
ratio = mPrt->mShrinkRatio - 0.005f; // round down
} else {
ratio = aPO->mShrinkRatio - 0.005f; // round down
}
mPrt->mPrintDC->SetCanonicalPixelScale(ratio*mPrt->mOrigDCScale);
}
// Reflow the PO
if (NS_FAILED(ReflowPrintObject(aPO, aDoCalcShrink))) {
return NS_ERROR_FAILURE;
}
// Calc the absolute poistion of the frames
if (NS_FAILED(MapSubDocFrameLocations(aPO))) {
return NS_ERROR_FAILURE;
}
PRInt32 cnt = aPO->mKids.Count();
for (PRInt32 i=0;i<cnt;i++) {
if (NS_FAILED(ReflowDocList((nsPrintObject *)aPO->mKids[i], aSetPixelScale, aDoCalcShrink))) {
return NS_ERROR_FAILURE;
}
}
return NS_OK;
}
PR_STATIC_CALLBACK(void *)
HandleBarrierEvent(PLEvent *aEvent)
{
PRBool *b = NS_STATIC_CAST(PRBool *, PL_GetEventOwner(aEvent));
*b = PR_TRUE;
return nsnull;
}
PR_STATIC_CALLBACK(void)
DestroyBarrierEvent(PLEvent *aEvent)
{
}
static void
FlushEventQueue()
{
PRBool hitBarrier = PR_FALSE;
nsCOMPtr<nsIEventQueue> eventQ;
nsresult rv = NS_GetMainEventQ(getter_AddRefs(eventQ));
if (NS_FAILED(rv))
return;
PLEvent evt;
PL_InitEvent(&evt, &hitBarrier, HandleBarrierEvent, DestroyBarrierEvent);
if (NS_FAILED(eventQ->PostEvent(&evt)))
return;
while (!hitBarrier) {
PLEvent *next;
eventQ->GetEvent(&next);
if (!next) {
NS_ERROR("barrier event not found!");
return;
}
eventQ->HandleEvent(next);
}
}
//-------------------------------------------------------
// Reflow a nsPrintObject
nsresult
nsPrintEngine::ReflowPrintObject(nsPrintObject * aPO, PRBool aDoCalcShrink)
{
NS_ASSERTION(aPO, "Pointer is null!");
if (!aPO) return NS_ERROR_FAILURE;
// If it is hidden don't bother reflow it or any of it's children
if (aPO->mIsHidden) return NS_OK;
// create the PresContext
PRBool containerIsSet = PR_FALSE;
aPO->mPresContext = new nsPresContext(mIsCreatingPrintPreview ?
nsPresContext::eContext_PrintPreview:
nsPresContext::eContext_Print);
NS_ENSURE_TRUE(aPO->mPresContext, NS_ERROR_OUT_OF_MEMORY);
aPO->mPresContext->SetPrintSettings(mPrt->mPrintSettings);
// set the presentation context to the value in the print settings
PRBool printBGColors;
mPrt->mPrintSettings->GetPrintBGColors(&printBGColors);
aPO->mPresContext->SetBackgroundColorDraw(printBGColors);
mPrt->mPrintSettings->GetPrintBGImages(&printBGColors);
aPO->mPresContext->SetBackgroundImageDraw(printBGColors);
// init it with the DC
nsresult rv = aPO->mPresContext->Init(mPrt->mPrintDocDC);
if (NS_FAILED(rv)) {
aPO->mPresContext = nsnull;
return rv;
}
rv = mDocViewerPrint->CreateStyleSet(aPO->mDocument, &aPO->mStyleSet);
NS_ENSURE_SUCCESS(rv, rv);
aPO->mViewManager = do_CreateInstance(kViewManagerCID, &rv);
if (NS_FAILED(rv)) {
delete aPO->mStyleSet;
return rv;
}
rv = aPO->mViewManager->Init(mPrt->mPrintDocDC);
if (NS_FAILED(rv)) {
delete aPO->mStyleSet;
return rv;
}
rv = aPO->mDocument->CreateShell(aPO->mPresContext, aPO->mViewManager,
aPO->mStyleSet, getter_AddRefs(aPO->mPresShell));
if (NS_FAILED(rv)) {
delete aPO->mStyleSet;
return rv;
}
aPO->mStyleSet->EndUpdate();
// The pres shell now owns the style set object.
PRInt32 pageWidth, pageHeight;
mPrt->mPrintDocDC->GetDeviceSurfaceDimensions(pageWidth, pageHeight);
PRInt32 width, height;
if (aPO->mContent == nsnull || !aPO->mPrintAsIs ||
(aPO->mPrintAsIs && aPO->mParent && !aPO->mParent->mPrintAsIs) ||
(aPO->mFrameType == eIFrame && aPO == mPrt->mSelectedPO)) {
width = pageWidth;
height = pageHeight;
} else {
width = aPO->mRect.width;
height = aPO->mRect.height;
}
PR_PL(("In DV::ReflowPrintObject PO: %p (%9s) Setting w,h to %d,%d\n", aPO, gFrameTypesStr[aPO->mFrameType], width, height));
// XXX - Hack Alert
// OK, so ther eis a selection, we will print the entire selection
// on one page and then crop the page.
// This means you can never print any selection that is longer than
// one page put it keeps it from page breaking in the middle of your
// print of the selection (see also nsSimplePageSequence.cpp)
PRInt16 printRangeType = nsIPrintSettings::kRangeAllPages;
if (mPrt->mPrintSettings != nsnull) {
mPrt->mPrintSettings->GetPrintRange(&printRangeType);
}
if (printRangeType == nsIPrintSettings::kRangeSelection &&
IsThereARangeSelection(mPrt->mPrintDocDW)) {
height = NS_UNCONSTRAINEDSIZE;
}
nsRect tbounds = nsRect(0, 0, width, height);
// Create a child window of the parent that is our "root view/window"
aPO->mRootView = aPO->mViewManager->CreateView(tbounds, nsnull);
if (!aPO->mRootView) {
return NS_ERROR_OUT_OF_MEMORY;
}
#ifdef NS_PRINT_PREVIEW
// Here we decide whether we need scrollbars and
// what the parent will be of the widget
if (mIsCreatingPrintPreview) {
PRBool canCreateScrollbars = PR_FALSE;
nsCOMPtr<nsIWidget> widget = mParentWidget;
// the top nsPrintObject's widget will always have scrollbars
if (aPO->mParent != nsnull && aPO->mContent) {
nsFrameManager *frameMan = aPO->mParent->mPresShell->FrameManager();
nsIFrame* frame = frameMan->GetPrimaryFrameFor(aPO->mContent);
if (frame) {
nsIView* view = frame->GetView();
NS_ASSERTION(view, "Primary frame for subdoc must have view!");
if (view) {
if (aPO->mFrameType == eIFrame || aPO->mFrameType == eFrame) {
view = view->GetFirstChild();
NS_ASSERTION(view, "innerView not found");
}
if (view && view->HasWidget()) {
widget = view->GetWidget();
canCreateScrollbars = PR_FALSE;
}
}
}
} else {
canCreateScrollbars = PR_TRUE;
}
rv = aPO->mRootView->CreateWidget(kWidgetCID, nsnull,
widget->GetNativeData(NS_NATIVE_WIDGET),
PR_TRUE, PR_TRUE,
eContentTypeContent);
aPO->mWindow = aPO->mRootView->GetWidget();
aPO->mPresContext->SetPaginatedScrolling(canCreateScrollbars);
}
#endif // NS_PRINT_PREVIEW
// Setup hierarchical relationship in view manager
aPO->mViewManager->SetRootView(aPO->mRootView);
aPO->mPresShell->Init(aPO->mDocument, aPO->mPresContext,
aPO->mViewManager, aPO->mStyleSet,
mPresContext->CompatibilityMode());
if (!containerIsSet) {
nsCOMPtr<nsISupports> supps(do_QueryInterface(aPO->mDocShell));
aPO->mPresContext->SetContainer(supps);
}
// get the old history
nsCOMPtr<nsIPresShell> presShell;
nsCOMPtr<nsILayoutHistoryState> layoutState;
rv = mDocViewer->GetPresShell(getter_AddRefs(presShell));
NS_ENSURE_SUCCESS(rv, rv);
presShell->CaptureHistoryState(getter_AddRefs(layoutState), PR_TRUE);
// set it on the new pres shell
aPO->mDocShell->SetLayoutHistoryState(layoutState);
// turn off animated GIFs
if (aPO->mPresContext) {
aPO->mImgAnimationMode = aPO->mPresContext->ImageAnimationMode();
aPO->mPresContext->SetImageAnimationMode(imgIContainer::kDontAnimMode);
}
aPO->mPresShell->BeginObservingDocument();
nsMargin margin(0,0,0,0);
mPrt->mPrintSettings->GetMarginInTwips(margin);
// initialize it with the default/generic case
nsRect adjRect(aPO->mRect.x != 0?margin.left:0, aPO->mRect.y != 0?margin.top:0, width, height);
// XXX This is an arbitray height,
// but reflow somethimes gets upset when using max int
// basically, we want to reflow a single page that is large
// enough to fit any atomic object like an IFrame
const PRInt32 kFivePagesHigh = 5;
// now, change the value for special cases
if (mPrt->mPrintFrameType == nsIPrintSettings::kEachFrameSep) {
if (aPO->mFrameType == eFrame) {
adjRect.SetRect(0, 0, width, height);
} else if (aPO->mFrameType == eIFrame) {
height = pageHeight*kFivePagesHigh;
adjRect.SetRect(aPO->mRect.x != 0?margin.left:0, aPO->mRect.y != 0?margin.top:0, width, height);
}
} else if (mPrt->mPrintFrameType == nsIPrintSettings::kSelectedFrame) {
if (aPO->mFrameType == eFrame) {
adjRect.SetRect(0, 0, width, height);
} else if (aPO->mFrameType == eIFrame) {
if (aPO == mPrt->mSelectedPO) {
adjRect.x = 0;
adjRect.y = 0;
} else {
height = pageHeight*kFivePagesHigh;
adjRect.SetRect(aPO->mRect.x != 0?margin.left:0, aPO->mRect.y != 0?margin.top:0, width, height);
}
}
}
if (!adjRect.width || !adjRect.height || !width || !height) {
aPO->mDontPrint = PR_TRUE;
aPO->mPresShell->EndObservingDocument();
return NS_OK;
}
aPO->mPresContext->SetPageDim(adjRect);
rv = aPO->mPresShell->InitialReflow(width, height);
FlushEventQueue();
if (NS_SUCCEEDED(rv)) {
// Transfer Selection Ranges to the new Print PresShell
nsCOMPtr<nsISelection> selection;
nsCOMPtr<nsISelection> selectionPS;
nsresult rvv = mDocViewerPrint->GetDocumentSelection(getter_AddRefs(selection), aPO->mDisplayPresShell);
if (NS_SUCCEEDED(rvv) && selection) {
rvv = mDocViewerPrint->GetDocumentSelection(getter_AddRefs(selectionPS), aPO->mPresShell);
if (NS_SUCCEEDED(rvv) && selectionPS) {
PRInt32 cnt;
selection->GetRangeCount(&cnt);
PRInt32 inx;
for (inx=0;inx<cnt;inx++) {
nsCOMPtr<nsIDOMRange> range;
if (NS_SUCCEEDED(selection->GetRangeAt(inx, getter_AddRefs(range)))) {
selectionPS->AddRange(range);
}
}
}
// If we are trying to shrink the contents to fit on the page
// we must first locate the "pageContent" frame
// Then we walk the frame tree and look for the "xmost" frame
// this is the frame where the right-hand side of the frame extends
// the furthest
if (mPrt->mShrinkToFit) {
nsIPageSequenceFrame* pageSequence;
aPO->mPresShell->GetPageSequenceFrame(&pageSequence);
pageSequence->GetSTFPercent(aPO->mShrinkRatio);
#ifdef EXTENDED_DEBUG_PRINTING
printf("PO %p ****** STF Ratio %10.4f\n", aPO, aPO->mShrinkRatio*100.0f);
#endif
}
}
#ifdef EXTENDED_DEBUG_PRINTING
if (kPrintingLogMod && kPrintingLogMod->level == DUMP_LAYOUT_LEVEL) {
char * docStr;
char * urlStr;
GetDocTitleAndURL(aPO, docStr, urlStr);
char filename[256];
sprintf(filename, "print_dump_%d.txt", gDumpFileNameCnt++);
// Dump all the frames and view to a a file
FILE * fd = fopen(filename, "w");
if (fd) {
nsIFrame *theRootFrame =
aPO->mPresShell->FrameManager()->GetRootFrame();
fprintf(fd, "Title: %s\n", docStr?docStr:"");
fprintf(fd, "URL: %s\n", urlStr?urlStr:"");
fprintf(fd, "--------------- Frames ----------------\n");
nsCOMPtr<nsIRenderingContext> renderingContext;
mPrt->mPrintDocDC->CreateRenderingContext(*getter_AddRefs(renderingContext));
RootFrameList(aPO->mPresContext, fd, 0);
//DumpFrames(fd, aPO->mPresContext, renderingContext, theRootFrame, 0);
fprintf(fd, "---------------------------------------\n\n");
fprintf(fd, "--------------- Views From Root Frame----------------\n");
nsIView* v = theRootFrame->GetView();
if (v) {
v->List(fd);
} else {
printf("View is null!\n");
}
if (docShell) {
fprintf(fd, "--------------- All Views ----------------\n");
DumpViews(docShell, fd);
fprintf(fd, "---------------------------------------\n\n");
}
fclose(fd);
}
if (docStr) nsMemory::Free(docStr);
if (urlStr) nsMemory::Free(urlStr);
}
#endif
}
aPO->mPresShell->EndObservingDocument();
return rv;
}
//-------------------------------------------------------
// This recusively walks the PO tree calculating the
// the page location and the absolute frame location for
// a sub-doc.
//
// NOTE: This MUST be done after the sub-doc has been laid out
// This is called by "ReflowDocList"
//
nsresult
nsPrintEngine::MapSubDocFrameLocations(nsPrintObject* aPO)
{
NS_ASSERTION(aPO, "Pointer is null!");
if (aPO->mParent != nsnull && aPO->mParent->mPresShell) {
nsresult rv = CalcPageFrameLocation(aPO->mParent->mPresShell, aPO);
if (NS_FAILED(rv)) return rv;
}
if (aPO->mPresShell) {
for (PRInt32 i=0;i<aPO->mKids.Count();i++) {
nsresult rv = MapSubDocFrameLocations((nsPrintObject*)aPO->mKids[i]);
if (NS_FAILED(rv)) return rv;
}
}
return NS_OK;
}
//-------------------------------------------------------
// Finds the Page Frame and the absolute location on the page
// for a Sub document.
//
// NOTE: This MUST be done after the sub-doc has been laid out
// This is called by "MapSubDocFrameLocations"
//
nsresult
nsPrintEngine::CalcPageFrameLocation(nsIPresShell * aPresShell,
nsPrintObject* aPO)
{
NS_ASSERTION(aPresShell, "Pointer is null!");
NS_ASSERTION(aPO, "Pointer is null!");
if (aPO != nsnull && aPO->mContent != nsnull) {
// Find that frame for the sub-doc's content element
// in the parent document
// if it comes back null it probably has the style
// set to "display:none"
nsIFrame * frame;
aPresShell->GetPrimaryFrameFor(aPO->mContent, &frame);
if (frame == nsnull) {
aPO->mDontPrint = PR_TRUE;
return NS_OK;
}
nsMargin borderPadding(0, 0, 0, 0);
frame->CalcBorderPadding(borderPadding);
// Calc absolute position of the frame all the way up
// to the SimpleSeq frame
nsRect rect = frame->GetRect();
rect.Deflate(borderPadding);
rect.x = 0;
rect.y = 0;
nsIFrame * parent = frame;
nsIFrame * pageFrame = nsnull;
nsIFrame * seqFrame = nsnull;
while (parent) {
nsRect rr = parent->GetRect();
rect.x += rr.x;
rect.y += rr.y;
nsIFrame * temp = parent;
parent = temp->GetParent();
// Keep a pointer to the Seq and Page frames
nsIPageSequenceFrame * sqf = nsnull;
if (parent &&
NS_SUCCEEDED(CallQueryInterface(parent, &sqf)) && sqf) {
pageFrame = temp;
seqFrame = parent;
}
}
NS_ASSERTION(seqFrame, "The sequencer frame can't be null!");
NS_ASSERTION(pageFrame, "The page frame can't be null!");
if (seqFrame == nsnull || pageFrame == nsnull) return NS_ERROR_FAILURE;
// Remember the Frame location information for later
aPO->mRect = rect;
aPO->mSeqFrame = seqFrame;
aPO->mPageFrame = pageFrame;
// Calc the Page No it is on
PRInt32 pageNum = 1;
nsIFrame* child = seqFrame->GetFirstChild(nsnull);
while (child != nsnull) {
if (pageFrame == child) {
aPO->mPageNum = pageNum;
break;
}
pageNum++;
child = child->GetNextSibling();
} // while
}
return NS_OK;
}
//-------------------------------------------------------
// Figure out how many documents and how many total pages we are printing
void
nsPrintEngine::CalcNumPrintableDocsAndPages(PRInt32& aNumDocs, PRInt32& aNumPages)
{
aNumPages = 0;
// Count the number of printable documents
// and printable pages
PRInt32 numOfPrintableDocs = 0;
PRInt32 i;
for (i=0;i<mPrt->mPrintDocList->Count();i++) {
nsPrintObject* po = (nsPrintObject*)mPrt->mPrintDocList->ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
if (po->IsPrintable()) {
if (po->mPresShell &&
po->mFrameType != eIFrame &&
po->mFrameType != eFrameSet) {
nsIPageSequenceFrame* pageSequence;
po->mPresShell->GetPageSequenceFrame(&pageSequence);
nsIFrame * seqFrame;
if (NS_SUCCEEDED(CallQueryInterface(pageSequence, &seqFrame))) {
nsIFrame* frame = seqFrame->GetFirstChild(nsnull);
while (frame) {
aNumPages++;
frame = frame->GetNextSibling();
}
}
}
numOfPrintableDocs++;
}
}
}
//-----------------------------------------------------------------
//-- Done: Reflow Methods
//-----------------------------------------------------------------
//-----------------------------------------------------------------
//-- Section: Printing Methods
//-----------------------------------------------------------------
//-------------------------------------------------------
// Called for each DocShell that needs to be printed
PRBool
nsPrintEngine::PrintDocContent(nsPrintObject* aPO, nsresult& aStatus)
{
NS_ASSERTION(aPO, "Pointer is null!");
aStatus = NS_OK;
if (!aPO->mHasBeenPrinted && aPO->IsPrintable()) {
PRBool donePrinting = PR_TRUE;
// donePrinting is only valid when when doing synchronous printing
aStatus = DoPrint(aPO, PR_FALSE, donePrinting);
if (donePrinting) {
return PR_TRUE;
}
}
if (!aPO->mInvisible) {
for (PRInt32 i=0;i<aPO->mKids.Count();i++) {
nsPrintObject* po = (nsPrintObject*)aPO->mKids[i];
PRBool printed = PrintDocContent(po, aStatus);
if (printed || NS_FAILED(aStatus)) {
return PR_TRUE;
}
}
}
return PR_FALSE;
}
//-------------------------------------------------------
// helper function - To calculate the correct position of
// an iframe's subdocument
//
// ASSUMPTION: x,y must be initialized before calling!
//
static void GetIFramePosition(nsPrintObject * aPO, nscoord& aX, nscoord& aY)
{
if (aPO->mParent != nsnull) {
// we would not have gotten here if any of these ptrs were null
nsFrameManager *frameMan = aPO->mParent->mPresShell->FrameManager();
// This gets our HTMLIFrame
nsIFrame* frame = frameMan->GetPrimaryFrameFor(aPO->mContent);
NS_ASSERTION(frame, "no primary frame for IFRAME");
if (!frame)
return;
// find the offset to the content rect
nsMargin borderPadding(0, 0, 0, 0);
frame->CalcBorderPadding(borderPadding);
aX += borderPadding.left;
aY += borderPadding.top;
// traverse out to the pageContentFrame
do {
nsPoint pt = frame->GetPosition();
aX += pt.x;
aY += pt.y;
if (nsLayoutAtoms::pageContentFrame == frame->GetType()) {
break;
}
frame = frame->GetParent();
} while (frame);
}
}
//-------------------------------------------------------
nsresult
nsPrintEngine::DoPrint(nsPrintObject * aPO, PRBool aDoSyncPrinting, PRBool& aDonePrinting)
{
NS_ASSERTION(mPrt->mPrintDocList, "Pointer is null!");
PR_PL(("\n"));
PR_PL(("**************************** %s ****************************\n", gFrameTypesStr[aPO->mFrameType]));
PR_PL(("****** In DV::DoPrint PO: %p aDoSyncPrinting: %s \n", aPO, PRT_YESNO(aDoSyncPrinting)));
nsIDocShell* docShell = aPO->mDocShell;
nsIPresShell* poPresShell = aPO->mPresShell;
nsPresContext* poPresContext = aPO->mPresContext;
nsIView* poRootView = aPO->mRootView;
NS_ASSERTION(docShell, "The DocShell can't be NULL!");
NS_ASSERTION(poPresContext, "PrintObject has not been reflowed");
if (mPrt->mPrintProgressParams) {
SetDocAndURLIntoProgress(aPO, mPrt->mPrintProgressParams);
}
if (docShell) {
PRInt16 printRangeType = nsIPrintSettings::kRangeAllPages;
nsresult rv;
if (mPrt->mPrintSettings != nsnull) {
mPrt->mPrintSettings->GetPrintRange(&printRangeType);
}
// Ask the page sequence frame to print all the pages
nsIPageSequenceFrame* pageSequence;
poPresShell->GetPageSequenceFrame(&pageSequence);
NS_ASSERTION(nsnull != pageSequence, "no page sequence frame");
// Now, depending how we are printing and what type of doc we are printing
// we must configure the sequencer correctly.
// so we are about to be very explicit about the whole process
PRBool skipPageEjectOnly = PR_FALSE;
PRBool skipAllPageAdjustments = PR_FALSE;
PRBool doOffsetting = PR_FALSE;
PRBool doAddInParentsOffset = PR_TRUE;
PRBool skipSetTitle = PR_FALSE;
// NOTE:
// When printing "Each Frame Separately" or "Selected Frame (of a frameset)"
// "doAddInParentsOffset" gets turned off for an iframe,
// which means it won't add in its parent's x,y
if (aPO->mFrameType == eFrame) {
switch (mPrt->mPrintFrameType) {
case nsIPrintSettings::kFramesAsIs:
skipAllPageAdjustments = PR_TRUE;
doOffsetting = PR_TRUE;
break;
case nsIPrintSettings::kSelectedFrame:
if (aPO->mKids.Count() > 0) {
skipPageEjectOnly = PR_TRUE;
}
break;
case nsIPrintSettings::kEachFrameSep:
if (aPO->mKids.Count() > 0) {
skipPageEjectOnly = PR_TRUE;
}
break;
} // switch
} else if (aPO->mFrameType == eIFrame) {
switch (mPrt->mPrintFrameType) {
case nsIPrintSettings::kFramesAsIs:
skipAllPageAdjustments = PR_TRUE;
doOffsetting = PR_TRUE;
skipSetTitle = PR_TRUE;
break;
case nsIPrintSettings::kSelectedFrame:
if (aPO != mPrt->mSelectedPO) {
skipAllPageAdjustments = PR_TRUE;
doOffsetting = PR_TRUE;
doAddInParentsOffset = aPO->mParent != nsnull && aPO->mParent->mFrameType == eIFrame && aPO->mParent != mPrt->mSelectedPO;
skipSetTitle = PR_TRUE;
} else {
skipPageEjectOnly = aPO->mKids.Count() > 0;
}
break;
case nsIPrintSettings::kEachFrameSep:
skipAllPageAdjustments = PR_TRUE;
doOffsetting = PR_TRUE;
doAddInParentsOffset = aPO->mParent != nsnull && aPO->mParent->mFrameType == eIFrame;
skipSetTitle = PR_TRUE;
break;
} // switch
} else {
// FrameSets skip page eject only if printing AsIs
// Also note, that when printing selection is a single document
// we do not want to skip page ejects
skipPageEjectOnly = aPO->mPrintAsIs && printRangeType != nsIPrintSettings::kRangeSelection;
}
// That we are all configured,
// let's set everything up to print
if (skipPageEjectOnly) {
pageSequence->SkipPageEnd();
aPO->mSkippedPageEject = PR_TRUE;
} else {
if (skipAllPageAdjustments) {
pageSequence->SuppressHeadersAndFooters(PR_TRUE);
pageSequence->SkipPageBegin();
pageSequence->SkipPageEnd();
aPO->mSkippedPageEject = PR_TRUE;
} else {
aPO->mSkippedPageEject = PR_FALSE;
}
if (doOffsetting) {
nscoord x = 0;
nscoord y = 0;
// For IFrames, we locate the subdocument in the Parent document
// then start calculating the location as we walk our way out to the
// the pageContentFrame
if (aPO->mFrameType == eIFrame) {
GetIFramePosition(aPO, x, y);
if (doAddInParentsOffset) {
x += aPO->mParent->mRect.x;
y += aPO->mParent->mRect.y;
}
} else {
nsPrintObject * po = aPO;
while (po != nsnull) {
x += po->mRect.x;
y += po->mRect.y;
po = po->mParent;
}
}
pageSequence->SetOffset(x, y);
aPO->mRect.x = x;
aPO->mRect.y = y;
}
}
PR_PL(("*** skipPageEjectOnly: %s skipAllPageAdjustments: %s doOffsetting: %s doAddInParentsOffset: %s\n",
PRT_YESNO(skipPageEjectOnly), PRT_YESNO(skipAllPageAdjustments),
PRT_YESNO(doOffsetting), PRT_YESNO(doAddInParentsOffset)));
// We are done preparing for printing, so we can turn this off
mPrt->mPreparingForPrint = PR_FALSE;
// mPrt->mDebugFilePtr this is onlu non-null when compiled for debugging
if (nsnull != mPrt->mDebugFilePtr) {
#ifdef NS_DEBUG
// output the regression test
nsIFrameDebug* fdbg;
nsIFrame* root = poPresShell->FrameManager()->GetRootFrame();
if (NS_SUCCEEDED(CallQueryInterface(root, &fdbg))) {
fdbg->DumpRegressionData(poPresContext, mPrt->mDebugFilePtr, 0, PR_TRUE);
}
fclose(mPrt->mDebugFilePtr);
#endif
} else {
nsIFrame* rootFrame = poPresShell->FrameManager()->GetRootFrame();
#ifdef EXTENDED_DEBUG_PRINTING
if (aPO->IsPrintable()) {
char * docStr;
char * urlStr;
GetDocTitleAndURL(aPO, docStr, urlStr);
DumpLayoutData(docStr, urlStr, poPresContext, mPrt->mPrintDocDC, rootFrame, docShell, nsnull);
if (docStr) nsMemory::Free(docStr);
if (urlStr) nsMemory::Free(urlStr);
}
#endif
if (mPrt->mPrintSettings) {
PRUnichar * docTitleStr = nsnull;
PRUnichar * docURLStr = nsnull;
if (!skipSetTitle) {
GetDisplayTitleAndURL(aPO, mPrt->mPrintSettings, mPrt->mBrandName, &docTitleStr, &docURLStr, eDocTitleDefBlank);
}
if (nsIPrintSettings::kRangeSelection == printRangeType) {
poPresContext->SetIsRenderingOnlySelection(PR_TRUE);
// temporarily creating rendering context
// which is needed to dinf the selection frames
nsCOMPtr<nsIRenderingContext> rc;
mPrt->mPrintDocDC->CreateRenderingContext(*getter_AddRefs(rc));
// find the starting and ending page numbers
// via the selection
nsIFrame* startFrame;
nsIFrame* endFrame;
PRInt32 startPageNum;
PRInt32 endPageNum;
nsRect startRect;
nsRect endRect;
nsCOMPtr<nsISelection> selectionPS;
nsresult rvv = mDocViewerPrint->GetDocumentSelection(getter_AddRefs(selectionPS), poPresShell);
if (NS_SUCCEEDED(rvv) && selectionPS) {
}
rv = GetPageRangeForSelection(poPresShell, poPresContext, *rc, selectionPS, pageSequence,
&startFrame, startPageNum, startRect,
&endFrame, endPageNum, endRect);
if (NS_SUCCEEDED(rv)) {
mPrt->mPrintSettings->SetStartPageRange(startPageNum);
mPrt->mPrintSettings->SetEndPageRange(endPageNum);
nsMargin margin(0,0,0,0);
mPrt->mPrintSettings->GetMarginInTwips(margin);
if (startPageNum == endPageNum) {
nsIFrame * seqFrame;
if (NS_FAILED(CallQueryInterface(pageSequence, &seqFrame))) {
SetIsPrinting(PR_FALSE);
return NS_ERROR_FAILURE;
}
nsRect rect(0,0,0,0);
nsRect areaRect;
nsIFrame * areaFrame = FindFrameByType(poPresContext, startFrame, nsHTMLAtoms::body, rect, areaRect);
if (areaFrame) {
startRect.y -= margin.top + areaFrame->GetPosition().y;
endRect.y -= margin.top;
// XXX This is temporary fix for printing more than one page of a selection
pageSequence->SetSelectionHeight(startRect.y, endRect.y+endRect.height-startRect.y);
// calc total pages by getting calculating the selection's height
// and then dividing it by how page content frames will fit.
nscoord selectionHgt = endRect.y + endRect.height - startRect.y;
PRInt32 pageWidth, pageHeight;
mPrt->mPrintDocDC->GetDeviceSurfaceDimensions(pageWidth, pageHeight);
pageHeight -= margin.top + margin.bottom;
PRInt32 totalPages = PRInt32((float(selectionHgt) / float(pageHeight))+0.99);
pageSequence->SetTotalNumPages(totalPages);
}
}
}
}
nsIFrame * seqFrame;
if (NS_FAILED(CallQueryInterface(pageSequence, &seqFrame))) {
SetIsPrinting(PR_FALSE);
return NS_ERROR_FAILURE;
}
if (poPresContext->Type() != nsPresContext::eContext_PrintPreview) {
nscoord sheight = seqFrame->GetSize().height;
nsRect r = poRootView->GetBounds();
r.x = r.y = 0;
r.height = sheight;
aPO->mViewManager->ResizeView(poRootView, r, PR_FALSE);
r = rootFrame->GetRect();
r.height = sheight;
rootFrame->SetRect(r);
mPageSeqFrame = pageSequence;
mPageSeqFrame->StartPrint(poPresContext, mPrt->mPrintSettings, docTitleStr, docURLStr);
if (!aDoSyncPrinting) {
// Get the delay time in between the printing of each page
// this gives the user more time to press cancel
PRInt32 printPageDelay = 500;
mPrt->mPrintSettings->GetPrintPageDelay(&printPageDelay);
// Schedule Page to Print
PR_PL(("Scheduling Print of PO: %p (%s) \n", aPO, gFrameTypesStr[aPO->mFrameType]));
StartPagePrintTimer(poPresContext, mPrt->mPrintSettings, aPO, printPageDelay);
} else {
DoProgressForAsIsFrames();
// Print the page synchronously
PR_PL(("Async Print of PO: %p (%s) \n", aPO, gFrameTypesStr[aPO->mFrameType]));
PRBool inRange;
aDonePrinting = PrintPage(poPresContext, mPrt->mPrintSettings, aPO, inRange);
}
} else {
pageSequence->StartPrint(poPresContext, mPrt->mPrintSettings, docTitleStr, docURLStr);
}
} else {
// not sure what to do here!
SetIsPrinting(PR_FALSE);
return NS_ERROR_FAILURE;
}
}
} else {
aPO->mDontPrint = PR_TRUE;
aDonePrinting = PR_FALSE;
}
return NS_OK;
}
//---------------------------------------------------------------------
void
nsPrintEngine::SetDocAndURLIntoProgress(nsPrintObject* aPO,
nsIPrintProgressParams* aParams)
{
NS_ASSERTION(aPO, "Must have vaild nsPrintObject");
NS_ASSERTION(aParams, "Must have vaild nsIPrintProgressParams");
if (!aPO || !aPO->mDocShell || !aParams) {
return;
}
const PRUint32 kTitleLength = 64;
PRUnichar * docTitleStr;
PRUnichar * docURLStr;
GetDisplayTitleAndURL(aPO, mPrt->mPrintSettings, mPrt->mBrandName,
&docTitleStr, &docURLStr, eDocTitleDefURLDoc);
// Make sure the Titles & URLS don't get too long for the progress dialog
ElipseLongString(docTitleStr, kTitleLength, PR_FALSE);
ElipseLongString(docURLStr, kTitleLength, PR_TRUE);
aParams->SetDocTitle((const PRUnichar*) docTitleStr);
aParams->SetDocURL((const PRUnichar*) docURLStr);
if (docTitleStr != nsnull) nsMemory::Free(docTitleStr);
if (docURLStr != nsnull) nsMemory::Free(docURLStr);
}
//---------------------------------------------------------------------
void
nsPrintEngine::ElipseLongString(PRUnichar *& aStr, const PRUint32 aLen, PRBool aDoFront)
{
// Make sure the URLS don't get too long for the progress dialog
if (aStr && nsCRT::strlen(aStr) > aLen) {
if (aDoFront) {
PRUnichar * ptr = &aStr[nsCRT::strlen(aStr)-aLen+3];
nsAutoString newStr;
newStr.AppendLiteral("...");
newStr += ptr;
nsMemory::Free(aStr);
aStr = ToNewUnicode(newStr);
} else {
nsAutoString newStr(aStr);
newStr.SetLength(aLen-3);
newStr.AppendLiteral("...");
nsMemory::Free(aStr);
aStr = ToNewUnicode(newStr);
}
}
}
//-------------------------------------------------------
PRBool
nsPrintEngine::PrintPage(nsPresContext* aPresContext,
nsIPrintSettings* aPrintSettings,
nsPrintObject* aPO,
PRBool& aInRange)
{
NS_ASSERTION(aPresContext, "aPresContext is null!");
NS_ASSERTION(aPrintSettings, "aPrintSettings is null!");
NS_ASSERTION(aPO, "aPO is null!");
NS_ASSERTION(mPageSeqFrame, "mPageSeqFrame is null!");
NS_ASSERTION(mPrt, "mPrt is null!");
// Although these should NEVER be NULL
// This is added insurance, to make sure we don't crash in optimized builds
if (!mPrt || !aPresContext || !aPrintSettings || !aPO || !mPageSeqFrame) {
ShowPrintErrorDialog(NS_ERROR_FAILURE);
return PR_TRUE; // means we are done printing
}
PR_PL(("-----------------------------------\n"));
PR_PL(("------ In DV::PrintPage PO: %p (%s)\n", aPO, gFrameTypesStr[aPO->mFrameType]));
PRBool isCancelled = PR_FALSE;
// Check setting to see if someone request it be cancelled (programatically)
aPrintSettings->GetIsCancelled(&isCancelled);
if (!isCancelled) {
// If not, see if the user has cancelled it
if (mPrt->mPrintProgress) {
mPrt->mPrintProgress->GetProcessCanceledByUser(&isCancelled);
}
}
// DO NOT allow the print job to be cancelled if it is Print FrameAsIs
// because it is only printing one page.
if (isCancelled) {
if (mPrt->mPrintFrameType == nsIPrintSettings::kFramesAsIs) {
aPrintSettings->SetIsCancelled(PR_FALSE);
} else {
aPrintSettings->SetIsCancelled(PR_TRUE);
return PR_TRUE;
}
}
PRInt32 pageNum;
PRInt32 curPage;
PRInt32 endPage;
mPageSeqFrame->GetCurrentPageNum(&pageNum);
PRBool donePrinting = PR_FALSE;
PRBool isDoingPrintRange;
mPageSeqFrame->IsDoingPrintRange(&isDoingPrintRange);
if (isDoingPrintRange) {
PRInt32 fromPage;
PRInt32 toPage;
PRInt32 numPages;
mPageSeqFrame->GetPrintRange(&fromPage, &toPage);
mPageSeqFrame->GetNumPages(&numPages);
if (fromPage > numPages) {
return PR_TRUE;
}
if (toPage > numPages) {
toPage = numPages;
}
PR_PL(("****** Printing Page %d printing from %d to page %d\n", pageNum, fromPage, toPage));
donePrinting = pageNum >= toPage;
aInRange = pageNum >= fromPage && pageNum <= toPage;
PRInt32 pageInc = pageNum - fromPage + 1;
curPage = pageInc >= 0?pageInc+1:0;
endPage = (toPage - fromPage)+1;
} else {
PRInt32 numPages;
mPageSeqFrame->GetNumPages(&numPages);
PR_PL(("****** Printing Page %d of %d page(s)\n", pageNum, numPages));
donePrinting = pageNum >= numPages;
curPage = pageNum+1;
endPage = numPages;
aInRange = PR_TRUE;
}
// NOTE: mPrt->mPrintFrameType gets set to "kFramesAsIs" when a
// plain document contains IFrames, so we need to override that case here
if (mPrt->mPrintFrameType == nsIPrintSettings::kEachFrameSep) {
DoProgressForSeparateFrames();
} else if (mPrt->mPrintFrameType != nsIPrintSettings::kFramesAsIs ||
mPrt->mPrintObject->mFrameType == eDoc && aPO == mPrt->mPrintObject) {
nsPrintData::DoOnProgressChange(mPrt->mPrintProgressListeners, curPage, endPage);
}
// Set Clip when Printing "AsIs" or
// when printing an IFrame for SelectedFrame or EachFrame
PRBool setClip = PR_FALSE;
switch (mPrt->mPrintFrameType) {
case nsIPrintSettings::kFramesAsIs:
setClip = PR_TRUE;
break;
case nsIPrintSettings::kSelectedFrame:
if (aPO->mPrintAsIs) {
if (aPO->mFrameType == eIFrame) {
setClip = aPO != mPrt->mSelectedPO;
}
}
break;
case nsIPrintSettings::kEachFrameSep:
if (aPO->mPrintAsIs) {
if (aPO->mFrameType == eIFrame) {
setClip = PR_TRUE;
}
}
break;
} //switch
if (setClip) {
// Always set the clip x,y to zero because it isn't going to have any margins
aPO->mClipRect.x = 0;
aPO->mClipRect.y = 0;
mPageSeqFrame->SetClipRect(aPO->mPresContext, &aPO->mClipRect);
}
// Print the Page
// if a print job was cancelled externally, an EndPage or BeginPage may
// fail and the failure is passed back here.
// Returning PR_TRUE means we are done printing.
//
// When rv == NS_ERROR_ABORT, it means we want out of the
// print job without displaying any error messages
nsresult rv = mPageSeqFrame->PrintNextPage(aPresContext);
CHECK_RUNTIME_ERROR_CONDITION(nsIDebugObject::PRT_RUNTIME_NEXTPAGE, rv, NS_ERROR_FAILURE);
if (NS_FAILED(rv)) {
if (rv != NS_ERROR_ABORT) {
ShowPrintErrorDialog(rv);
mPrt->mIsAborted = PR_TRUE;
}
return PR_TRUE;
}
// Now see if any of the SubDocs are on this page
if (aPO->mPrintAsIs) {
nsIPageSequenceFrame * curPageSeq = mPageSeqFrame;
aPO->mHasBeenPrinted = PR_TRUE;
PRInt32 cnt = aPO->mKids.Count();
for (PRInt32 i=0;i<cnt;i++) {
nsPrintObject* po = (nsPrintObject*)aPO->mKids[i];
NS_ASSERTION(po, "nsPrintObject can't be null!");
if (po->IsPrintable()) {
// Now verify that SubDoc's PageNum matches the
// page num of it's parent doc
curPageSeq->GetCurrentPageNum(&pageNum);
nsIFrame* fr;
CallQueryInterface(curPageSeq, &fr);
if (fr == po->mSeqFrame && pageNum == po->mPageNum) {
PRBool donePrintingSubDoc;
DoPrint(po, PR_TRUE, donePrintingSubDoc); // synchronous printing, it changes the value mPageSeqFrame
po->mHasBeenPrinted = PR_TRUE;
}
}
} // while
mPageSeqFrame = curPageSeq;
if (aPO->mParent == nsnull ||
(aPO->mParent != nsnull && !aPO->mParent->mPrintAsIs && aPO->mPrintAsIs)) {
mPageSeqFrame->DoPageEnd(aPresContext);
}
// XXX this is because PrintAsIs for FrameSets reflows to two pages
// not sure why, but this needs to be fixed.
if (aPO->mFrameType == eFrameSet && mPrt->mPrintFrameType == nsIPrintSettings::kFramesAsIs) {
return PR_TRUE;
}
}
return donePrinting;
}
//-------------------------------------------------------
void
nsPrintEngine::DoProgressForAsIsFrames()
{
// mPrintFrameType is set to kFramesAsIs event though the Doc Type maybe eDoc
// this is done to make the printing of embedded IFrames easier
// NOTE: we don't want to advance the progress in that case, it is down elsewhere
if (mPrt->mPrintFrameType == nsIPrintSettings::kFramesAsIs && mPrt->mPrintObject->mFrameType != eDoc) {
mPrt->mNumDocsPrinted++;
nsPrintData::DoOnProgressChange(mPrt->mPrintProgressListeners, mPrt->mNumDocsPrinted, mPrt->mNumPrintableDocs);
}
}
//-------------------------------------------------------
void
nsPrintEngine::DoProgressForSeparateFrames()
{
if (mPrt->mPrintFrameType == nsIPrintSettings::kEachFrameSep) {
mPrt->mNumPagesPrinted++;
// notify the listener of printed docs
nsPrintData::DoOnProgressChange(mPrt->mPrintProgressListeners, mPrt->mNumPagesPrinted+1, mPrt->mNumPrintablePages);
}
}
/** ---------------------------------------------------
* Find by checking content's tag type
*/
nsIFrame *
nsPrintEngine::FindFrameByType(nsPresContext* aPresContext,
nsIFrame * aParentFrame,
nsIAtom * aType,
nsRect& aRect,
nsRect& aChildRect)
{
NS_ASSERTION(aPresContext, "Pointer is null!");
NS_ASSERTION(aParentFrame, "Pointer is null!");
NS_ASSERTION(aType, "Pointer is null!");
aRect += aParentFrame->GetPosition();
nsIFrame* child = aParentFrame->GetFirstChild(nsnull);
while (child) {
nsIContent* content = child->GetContent();
if (content && content->Tag() == aType) {
nsRect r = child->GetRect();
aChildRect.SetRect(aRect.x + r.x, aRect.y + r.y, r.width, r.height);
aRect -= aParentFrame->GetPosition();
return child;
}
nsIFrame * fndFrame = FindFrameByType(aPresContext, child, aType, aRect, aChildRect);
if (fndFrame != nsnull) {
return fndFrame;
}
child = child->GetNextSibling();
}
aRect -= aParentFrame->GetPosition();
return nsnull;
}
/** ---------------------------------------------------
* Find by checking frames type
*/
nsresult
nsPrintEngine::FindSelectionBoundsWithList(nsPresContext* aPresContext,
nsIRenderingContext& aRC,
nsIAtom* aList,
nsIFrame * aParentFrame,
nsRect& aRect,
nsIFrame *& aStartFrame,
nsRect& aStartRect,
nsIFrame *& aEndFrame,
nsRect& aEndRect)
{
NS_ASSERTION(aPresContext, "Pointer is null!");
NS_ASSERTION(aParentFrame, "Pointer is null!");
nsIFrame* child = aParentFrame->GetFirstChild(aList);
aRect += aParentFrame->GetPosition();
while (child) {
// only leaf frames have this bit flipped
// then check the hard way
PRBool isSelected = (child->GetStateBits() & NS_FRAME_SELECTED_CONTENT)
== NS_FRAME_SELECTED_CONTENT;
if (isSelected) {
if (NS_FAILED(child->IsVisibleForPainting(aPresContext, aRC, PR_TRUE, &isSelected))) {
return NS_ERROR_FAILURE;
}
}
if (isSelected) {
nsRect r = child->GetRect();
if (aStartFrame == nsnull) {
aStartFrame = child;
aStartRect.SetRect(aRect.x + r.x, aRect.y + r.y, r.width, r.height);
} else {
aEndFrame = child;
aEndRect.SetRect(aRect.x + r.x, aRect.y + r.y, r.width, r.height);
}
}
FindSelectionBounds(aPresContext, aRC, child, aRect, aStartFrame, aStartRect, aEndFrame, aEndRect);
child = child->GetNextSibling();
}
aRect -= aParentFrame->GetPosition();
return NS_OK;
}
//-------------------------------------------------------
// Find the Frame that is XMost
nsresult
nsPrintEngine::FindSelectionBounds(nsPresContext* aPresContext,
nsIRenderingContext& aRC,
nsIFrame * aParentFrame,
nsRect& aRect,
nsIFrame *& aStartFrame,
nsRect& aStartRect,
nsIFrame *& aEndFrame,
nsRect& aEndRect)
{
NS_ASSERTION(aPresContext, "Pointer is null!");
NS_ASSERTION(aParentFrame, "Pointer is null!");
// loop thru named child lists
nsIAtom* childListName = nsnull;
PRInt32 childListIndex = 0;
do {
nsresult rv = FindSelectionBoundsWithList(aPresContext, aRC, childListName, aParentFrame, aRect, aStartFrame, aStartRect, aEndFrame, aEndRect);
NS_ENSURE_SUCCESS(rv, rv);
childListName = aParentFrame->GetAdditionalChildListName(childListIndex++);
} while (childListName);
return NS_OK;
}
/** ---------------------------------------------------
* This method finds the starting and ending page numbers
* of the selection and also returns rect for each where
* the x,y of the rect is relative to the very top of the
* frame tree (absolutely positioned)
*/
nsresult
nsPrintEngine::GetPageRangeForSelection(nsIPresShell * aPresShell,
nsPresContext* aPresContext,
nsIRenderingContext& aRC,
nsISelection* aSelection,
nsIPageSequenceFrame* aPageSeqFrame,
nsIFrame** aStartFrame,
PRInt32& aStartPageNum,
nsRect& aStartRect,
nsIFrame** aEndFrame,
PRInt32& aEndPageNum,
nsRect& aEndRect)
{
NS_ASSERTION(aPresShell, "Pointer is null!");
NS_ASSERTION(aPresContext, "Pointer is null!");
NS_ASSERTION(aSelection, "Pointer is null!");
NS_ASSERTION(aPageSeqFrame, "Pointer is null!");
NS_ASSERTION(aStartFrame, "Pointer is null!");
NS_ASSERTION(aEndFrame, "Pointer is null!");
nsIFrame * seqFrame;
if (NS_FAILED(CallQueryInterface(aPageSeqFrame, &seqFrame))) {
return NS_ERROR_FAILURE;
}
nsIFrame * startFrame = nsnull;
nsIFrame * endFrame = nsnull;
// start out with the sequence frame and search the entire frame tree
// capturing the the starting and ending child frames of the selection
// and their rects
nsRect r = seqFrame->GetRect();
FindSelectionBounds(aPresContext, aRC, seqFrame, r,
startFrame, aStartRect, endFrame, aEndRect);
#ifdef DEBUG_rodsX
printf("Start Frame: %p\n", startFrame);
printf("End Frame: %p\n", endFrame);
#endif
// initial the page numbers here
// in case we don't find and frames
aStartPageNum = -1;
aEndPageNum = -1;
nsIFrame * startPageFrame;
nsIFrame * endPageFrame;
// check to make sure we found a starting frame
if (startFrame != nsnull) {
// Now search up the tree to find what page the
// start/ending selections frames are on
//
// Check to see if start should be same as end if
// the end frame comes back null
if (endFrame == nsnull) {
// XXX the "GetPageFrame" step could be integrated into
// the FindSelectionBounds step, but walking up to find
// the parent of a child frame isn't expensive and it makes
// FindSelectionBounds a little easier to understand
startPageFrame = nsLayoutUtils::GetPageFrame(startFrame);
endPageFrame = startPageFrame;
aEndRect = aStartRect;
} else {
startPageFrame = nsLayoutUtils::GetPageFrame(startFrame);
endPageFrame = nsLayoutUtils::GetPageFrame(endFrame);
}
} else {
return NS_ERROR_FAILURE;
}
#ifdef DEBUG_rodsX
printf("Start Page: %p\n", startPageFrame);
printf("End Page: %p\n", endPageFrame);
// dump all the pages and their pointers
{
PRInt32 pageNum = 1;
nsIFrame* child = seqFrame->GetFirstChild(nsnull);
while (child != nsnull) {
printf("Page: %d - %p\n", pageNum, child);
pageNum++;
child = child->GetNextSibling();
}
}
#endif
// Now that we have the page frames
// find out what the page numbers are for each frame
PRInt32 pageNum = 1;
nsIFrame* page = seqFrame->GetFirstChild(nsnull);
while (page != nsnull) {
if (page == startPageFrame) {
aStartPageNum = pageNum;
}
if (page == endPageFrame) {
aEndPageNum = pageNum;
}
pageNum++;
page = page->GetNextSibling();
}
#ifdef DEBUG_rodsX
printf("Start Page No: %d\n", aStartPageNum);
printf("End Page No: %d\n", aEndPageNum);
#endif
*aStartFrame = startPageFrame;
*aEndFrame = endPageFrame;
return NS_OK;
}
//-----------------------------------------------------------------
//-- Done: Printing Methods
//-----------------------------------------------------------------
//-----------------------------------------------------------------
//-- Section: Misc Support Methods
//-----------------------------------------------------------------
//---------------------------------------------------------------------
void nsPrintEngine::SetIsPrinting(PRBool aIsPrinting)
{
mIsDoingPrinting = aIsPrinting;
if (mDocViewerPrint) {
mDocViewerPrint->SetIsPrinting(aIsPrinting);
}
}
//---------------------------------------------------------------------
void nsPrintEngine::SetIsPrintPreview(PRBool aIsPrintPreview)
{
mIsDoingPrintPreview = aIsPrintPreview;
if (mDocViewerPrint) {
mDocViewerPrint->SetIsPrintPreview(aIsPrintPreview);
}
}
//---------------------------------------------------------------------
void
nsPrintEngine::CleanupDocTitleArray(PRUnichar**& aArray, PRInt32& aCount)
{
for (PRInt32 i = aCount - 1; i >= 0; i--) {
nsMemory::Free(aArray[i]);
}
nsMemory::Free(aArray);
aArray = NULL;
aCount = 0;
}
//---------------------------------------------------------------------
// This gets ref counted copies of the PresShell and Root Content
// for a given docshell
// static
void
nsPrintEngine::GetPresShellAndRootContent(nsIDocShell * aDocShell,
nsIPresShell** aPresShell,
nsIContent** aContent)
{
NS_ASSERTION(aDocShell, "Pointer is null!");
NS_ASSERTION(aPresShell, "Pointer is null!");
NS_ASSERTION(aContent, "Pointer is null!");
*aContent = nsnull;
*aPresShell = nsnull;
nsCOMPtr<nsIDOMDocument> domDoc(do_GetInterface(aDocShell));
nsCOMPtr<nsIDocument> doc(do_QueryInterface(domDoc));
if (!doc)
return;
nsIPresShell *presShell = doc->GetShellAt(0);
if (!presShell)
return;
NS_IF_ADDREF(*aContent = doc->GetRootContent());
NS_ADDREF(*aPresShell = presShell);
}
//---------------------------------------------------------------------
// static
PRBool nsPrintEngine::HasFramesetChild(nsIContent* aContent)
{
if (!aContent) {
return PR_FALSE;
}
PRUint32 numChildren = aContent->GetChildCount();
// do a breadth search across all siblings
for (PRUint32 i = 0; i < numChildren; ++i) {
nsIContent *child = aContent->GetChildAt(i);
if (child->Tag() == nsHTMLAtoms::frameset &&
child->IsContentOfType(nsIContent::eHTML)) {
return PR_TRUE;
}
}
return PR_FALSE;
}
/** ---------------------------------------------------
* Get the Focused Frame for a documentviewer
*/
already_AddRefed<nsIDOMWindow>
nsPrintEngine::FindFocusedDOMWindow()
{
nsCOMPtr<nsIDocument> theDoc;
nsIDOMWindow * domWin = nsnull;
mDocViewer->GetDocument(getter_AddRefs(theDoc));
if(theDoc){
nsIScriptGlobalObject* theSGO = theDoc->GetScriptGlobalObject();
nsCOMPtr<nsPIDOMWindow> theDOMWindow = do_QueryInterface(theSGO);
if(theDOMWindow){
nsIFocusController *focusController =
theDOMWindow->GetRootFocusController();
if (focusController) {
nsCOMPtr<nsIDOMWindowInternal> theDOMWin;
focusController->GetFocusedWindow(getter_AddRefs(theDOMWin));
if(theDOMWin && IsWindowsInOurSubTree(theDOMWin)){
NS_ADDREF(domWin = theDOMWin);
}
}
}
}
return domWin;
}
//---------------------------------------------------------------------
PRBool
nsPrintEngine::IsWindowsInOurSubTree(nsIDOMWindow * aDOMWindow)
{
PRBool found = PR_FALSE;
// now check to make sure it is in "our" tree of docshells
nsCOMPtr<nsIScriptGlobalObject> scriptObj(do_QueryInterface(aDOMWindow));
if (scriptObj) {
nsCOMPtr<nsIDocShellTreeItem> docShellAsItem =
do_QueryInterface(scriptObj->GetDocShell());
if (docShellAsItem) {
// get this DocViewer docshell
nsCOMPtr<nsIDocShell> thisDVDocShell(do_QueryInterface(mContainer));
while (!found) {
nsCOMPtr<nsIDocShellTreeItem> docShellParent;
docShellAsItem->GetSameTypeParent(getter_AddRefs(docShellParent));
nsCOMPtr<nsIDocShell> parentDocshell(do_QueryInterface(docShellParent));
if (parentDocshell) {
if (parentDocshell == thisDVDocShell) {
found = PR_TRUE;
break;
}
} else {
break; // at top of tree
}
docShellAsItem = docShellParent;
} // while
}
} // scriptobj
return found;
}
//-------------------------------------------------------
PRBool
nsPrintEngine::DonePrintingPages(nsPrintObject* aPO, nsresult aResult)
{
//NS_ASSERTION(aPO, "Pointer is null!");
PR_PL(("****** In DV::DonePrintingPages PO: %p (%s)\n", aPO, aPO?gFrameTypesStr[aPO->mFrameType]:""));
if (aPO != nsnull) {
aPO->mHasBeenPrinted = PR_TRUE;
nsresult rv;
PRBool didPrint = PrintDocContent(mPrt->mPrintObject, rv);
if (NS_SUCCEEDED(rv) && didPrint) {
PR_PL(("****** In DV::DonePrintingPages PO: %p (%s) didPrint:%s (Not Done Printing)\n", aPO, gFrameTypesStr[aPO->mFrameType], PRT_YESNO(didPrint)));
return PR_FALSE;
}
}
DoProgressForAsIsFrames();
DoProgressForSeparateFrames();
if (NS_SUCCEEDED(aResult)) {
FirePrintCompletionEvent();
}
SetIsPrinting(PR_FALSE);
NS_IF_RELEASE(mPagePrintTimer);
return PR_TRUE;
}
//-------------------------------------------------------
// Recursively sets the PO items to be printed "As Is"
// from the given item down into the tree
void
nsPrintEngine::SetPrintAsIs(nsPrintObject* aPO, PRBool aAsIs)
{
NS_ASSERTION(aPO, "Pointer is null!");
aPO->mPrintAsIs = aAsIs;
for (PRInt32 i=0;i<aPO->mKids.Count();i++) {
SetPrintAsIs((nsPrintObject*)aPO->mKids[i], aAsIs);
}
}
//-------------------------------------------------------
// Recursively sets the clip rect on all thchildren
void
nsPrintEngine::SetClipRect(nsPrintObject* aPO,
const nsRect& aClipRect,
nscoord aOffsetX,
nscoord aOffsetY,
PRBool aDoingSetClip)
{
NS_ASSERTION(aPO, "Pointer is null!");
nsRect clipRect = aClipRect;
if (aDoingSetClip) {
nscoord width = (aPO->mRect.x+aPO->mRect.width) > aClipRect.width?aClipRect.width-aPO->mRect.x:aPO->mRect.width;
nscoord height = (aPO->mRect.y+aPO->mRect.height) > aClipRect.height?aClipRect.height-aPO->mRect.y:aPO->mRect.height;
aPO->mClipRect.SetRect(aPO->mRect.x, aPO->mRect.y, width, height);
}
PRBool doClip = aDoingSetClip;
if (aPO->mFrameType == eFrame) {
if (aDoingSetClip) {
aPO->mClipRect.SetRect(aOffsetX, aOffsetY, aPO->mClipRect.width, aPO->mClipRect.height);
clipRect = aPO->mClipRect;
} else if (mPrt->mPrintFrameType == nsIPrintSettings::kFramesAsIs) {
aPO->mClipRect.SetRect(aOffsetX, aOffsetY, aPO->mRect.width, aPO->mRect.height);
clipRect = aPO->mClipRect;
doClip = PR_TRUE;
}
} else if (aPO->mFrameType == eIFrame) {
if (aDoingSetClip) {
aPO->mClipRect.SetRect(aOffsetX, aOffsetY, aPO->mClipRect.width, aPO->mClipRect.height);
clipRect = aPO->mClipRect;
} else {
if (mPrt->mPrintFrameType == nsIPrintSettings::kSelectedFrame) {
if (aPO->mParent && aPO->mParent == mPrt->mSelectedPO) {
aPO->mClipRect.SetRect(aOffsetX, aOffsetY, aPO->mRect.width, aPO->mRect.height);
clipRect = aPO->mClipRect;
doClip = PR_TRUE;
}
} else {
aPO->mClipRect.SetRect(aOffsetX, aOffsetY, aPO->mRect.width, aPO->mRect.height);
clipRect = aPO->mClipRect;
doClip = PR_TRUE;
}
}
}
PR_PL(("In DV::SetClipRect PO: %p (%9s) ", aPO, gFrameTypesStr[aPO->mFrameType]));
PR_PL(("%5d,%5d,%5d,%5d\n", aPO->mClipRect.x, aPO->mClipRect.y,aPO->mClipRect.width, aPO->mClipRect.height));
PRInt32 cnt = aPO->mKids.Count();
for (PRInt32 i=0;i<cnt;i++) {
SetClipRect((nsPrintObject *)aPO->mKids[i], clipRect,
aOffsetX+aPO->mRect.x, aOffsetY+aPO->mRect.y, doClip);
}
}
//-------------------------------------------------------
// Given a DOMWindow it recursively finds the PO object that matches
nsPrintObject*
nsPrintEngine::FindPrintObjectByDOMWin(nsPrintObject* aPO,
nsIDOMWindow* aDOMWin)
{
NS_ASSERTION(aPO, "Pointer is null!");
// Often the CurFocused DOMWindow is passed in
// andit is valid for it to be null, so short circut
if (!aDOMWin) {
return nsnull;
}
nsCOMPtr<nsIDOMWindow> domWin(do_GetInterface(aPO->mDocShell));
if (domWin && domWin == aDOMWin) {
return aPO;
}
PRInt32 cnt = aPO->mKids.Count();
for (PRInt32 i = 0; i < cnt; ++i) {
nsPrintObject* po = FindPrintObjectByDOMWin((nsPrintObject*)aPO->mKids[i],
aDOMWin);
if (po) {
return po;
}
}
return nsnull;
}
//-------------------------------------------------------
nsresult
nsPrintEngine::EnablePOsForPrinting()
{
// NOTE: All POs have been "turned off" for printing
// this is where we decided which POs get printed.
mPrt->mSelectedPO = nsnull;
if (mPrt->mPrintSettings == nsnull) {
return NS_ERROR_FAILURE;
}
mPrt->mPrintFrameType = nsIPrintSettings::kNoFrames;
mPrt->mPrintSettings->GetPrintFrameType(&mPrt->mPrintFrameType);
PRInt16 printHowEnable = nsIPrintSettings::kFrameEnableNone;
mPrt->mPrintSettings->GetHowToEnableFrameUI(&printHowEnable);
PRInt16 printRangeType = nsIPrintSettings::kRangeAllPages;
mPrt->mPrintSettings->GetPrintRange(&printRangeType);
PR_PL(("\n"));
PR_PL(("********* nsPrintEngine::EnablePOsForPrinting *********\n"));
PR_PL(("PrintFrameType: %s \n", gPrintFrameTypeStr[mPrt->mPrintFrameType]));
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
PR_PL(("PrintRange: %s \n", gPrintRangeStr[printRangeType]));
PR_PL(("----\n"));
// ***** This is the ultimate override *****
// if we are printing the selection (either an IFrame or selection range)
// then set the mPrintFrameType as if it were the selected frame
if (printRangeType == nsIPrintSettings::kRangeSelection) {
mPrt->mPrintFrameType = nsIPrintSettings::kSelectedFrame;
printHowEnable = nsIPrintSettings::kFrameEnableNone;
}
// This tells us that the "Frame" UI has turned off,
// so therefore there are no FrameSets/Frames/IFrames to be printed
//
// This means there are not FrameSets,
// but the document could contain an IFrame
if (printHowEnable == nsIPrintSettings::kFrameEnableNone) {
// Print all the pages or a sub range of pages
if (printRangeType == nsIPrintSettings::kRangeAllPages ||
printRangeType == nsIPrintSettings::kRangeSpecifiedPageRange) {
SetPrintPO(mPrt->mPrintObject, PR_TRUE);
// Set the children so they are PrinAsIs
// In this case, the children are probably IFrames
if (mPrt->mPrintObject->mKids.Count() > 0) {
for (PRInt32 i=0;i<mPrt->mPrintObject->mKids.Count();i++) {
nsPrintObject* po = (nsPrintObject*)mPrt->mPrintObject->mKids[i];
NS_ASSERTION(po, "nsPrintObject can't be null!");
SetPrintAsIs(po);
}
// ***** Another override *****
mPrt->mPrintFrameType = nsIPrintSettings::kFramesAsIs;
}
PR_PL(("PrintFrameType: %s \n", gPrintFrameTypeStr[mPrt->mPrintFrameType]));
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
PR_PL(("PrintRange: %s \n", gPrintRangeStr[printRangeType]));
return NS_OK;
}
// This means we are either printed a selected IFrame or
// we are printing the current selection
if (printRangeType == nsIPrintSettings::kRangeSelection) {
// If the currentFocusDOMWin can'r be null if something is selected
if (mPrt->mCurrentFocusWin) {
// Find the selected IFrame
nsPrintObject * po = FindPrintObjectByDOMWin(mPrt->mPrintObject, mPrt->mCurrentFocusWin);
if (po != nsnull) {
mPrt->mSelectedPO = po;
// Makes sure all of its children are be printed "AsIs"
SetPrintAsIs(po);
// Now, only enable this POs (the selected PO) and all of its children
SetPrintPO(po, PR_TRUE);
// check to see if we have a range selection,
// as oppose to a insert selection
// this means if the user just clicked on the IFrame then
// there will not be a selection so we want the entire page to print
//
// XXX this is sort of a hack right here to make the page
// not try to reposition itself when printing selection
nsCOMPtr<nsIDOMWindow> domWin = do_GetInterface(po->mDocShell);
if (!IsThereARangeSelection(domWin)) {
printRangeType = nsIPrintSettings::kRangeAllPages;
mPrt->mPrintSettings->SetPrintRange(printRangeType);
}
PR_PL(("PrintFrameType: %s \n", gPrintFrameTypeStr[mPrt->mPrintFrameType]));
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
PR_PL(("PrintRange: %s \n", gPrintRangeStr[printRangeType]));
return NS_OK;
}
} else {
for (PRInt32 i=0;i<mPrt->mPrintDocList->Count();i++) {
nsPrintObject* po = (nsPrintObject*)mPrt->mPrintDocList->ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
nsCOMPtr<nsIDOMWindow> domWin = do_GetInterface(po->mDocShell);
if (IsThereARangeSelection(domWin)) {
mPrt->mCurrentFocusWin = domWin;
SetPrintPO(po, PR_TRUE);
break;
}
}
return NS_OK;
}
}
}
// check to see if there is a selection when a FrameSet is present
if (printRangeType == nsIPrintSettings::kRangeSelection) {
// If the currentFocusDOMWin can'r be null if something is selected
if (mPrt->mCurrentFocusWin) {
// Find the selected IFrame
nsPrintObject * po = FindPrintObjectByDOMWin(mPrt->mPrintObject, mPrt->mCurrentFocusWin);
if (po != nsnull) {
mPrt->mSelectedPO = po;
// Makes sure all of its children are be printed "AsIs"
SetPrintAsIs(po);
// Now, only enable this POs (the selected PO) and all of its children
SetPrintPO(po, PR_TRUE);
// check to see if we have a range selection,
// as oppose to a insert selection
// this means if the user just clicked on the IFrame then
// there will not be a selection so we want the entire page to print
//
// XXX this is sort of a hack right here to make the page
// not try to reposition itself when printing selection
nsCOMPtr<nsIDOMWindow> domWin = do_GetInterface(po->mDocShell);
if (!IsThereARangeSelection(domWin)) {
printRangeType = nsIPrintSettings::kRangeAllPages;
mPrt->mPrintSettings->SetPrintRange(printRangeType);
}
PR_PL(("PrintFrameType: %s \n", gPrintFrameTypeStr[mPrt->mPrintFrameType]));
PR_PL(("HowToEnableFrameUI: %s \n", gFrameHowToEnableStr[printHowEnable]));
PR_PL(("PrintRange: %s \n", gPrintRangeStr[printRangeType]));
return NS_OK;
}
}
}
// If we are printing "AsIs" then sets all the POs to be printed as is
if (mPrt->mPrintFrameType == nsIPrintSettings::kFramesAsIs) {
SetPrintAsIs(mPrt->mPrintObject);
SetPrintPO(mPrt->mPrintObject, PR_TRUE);
return NS_OK;
}
// If we are printing the selected Frame then
// find that PO for that selected DOMWin and set it all of its
// children to be printed
if (mPrt->mPrintFrameType == nsIPrintSettings::kSelectedFrame) {
if ((mPrt->mIsParentAFrameSet && mPrt->mCurrentFocusWin) || mPrt->mIsIFrameSelected) {
nsPrintObject * po = FindPrintObjectByDOMWin(mPrt->mPrintObject, mPrt->mCurrentFocusWin);
if (po != nsnull) {
mPrt->mSelectedPO = po;
// NOTE: Calling this sets the "po" and
// we don't want to do this for documents that have no children,
// because then the "DoEndPage" gets called and it shouldn't
if (po->mKids.Count() > 0) {
// Makes sure that itself, and all of its children are printed "AsIs"
SetPrintAsIs(po);
}
// Now, only enable this POs (the selected PO) and all of its children
SetPrintPO(po, PR_TRUE);
}
}
return NS_OK;
}
// If we are print each subdoc separately,
// then don't print any of the FraneSet Docs
if (mPrt->mPrintFrameType == nsIPrintSettings::kEachFrameSep) {
SetPrintPO(mPrt->mPrintObject, PR_TRUE);
PRInt32 cnt = mPrt->mPrintDocList->Count();
for (PRInt32 i=0;i<cnt;i++) {
nsPrintObject* po = (nsPrintObject*)mPrt->mPrintDocList->ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
if (po->mFrameType == eFrameSet) {
po->mDontPrint = PR_TRUE;
}
}
}
return NS_OK;
}
//-------------------------------------------------------
// Return the nsPrintObject with that is XMost (The widest frameset frame) AND
// contains the XMost (widest) layout frame
nsPrintObject*
nsPrintEngine::FindSmallestSTF()
{
float smallestRatio = 1.0f;
nsPrintObject* smallestPO = nsnull;
for (PRInt32 i=0;i<mPrt->mPrintDocList->Count();i++) {
nsPrintObject* po = (nsPrintObject*)mPrt->mPrintDocList->ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
if (po->mFrameType != eFrameSet && po->mFrameType != eIFrame) {
if (po->mShrinkRatio < smallestRatio) {
smallestRatio = po->mShrinkRatio;
smallestPO = po;
}
}
}
#ifdef EXTENDED_DEBUG_PRINTING
if (smallestPO) printf("*PO: %p Type: %d %10.3f\n", smallestPO, smallestPO->mFrameType, smallestPO->mShrinkRatio);
#endif
return smallestPO;
}
//-------------------------------------------------------
// Recursively walks the nsPrintObject tree and installs the DocViewer
// as an event processor and it shows the window
nsresult
nsPrintEngine::ShowDocListInternal(nsPrintObject* aPO, PRBool aShow)
{
NS_ASSERTION(aPO, "Pointer is null!");
if (aPO->IsPrintable()) {
PRBool donePrinting;
DoPrint(aPO, PR_FALSE, donePrinting);
// mWindow will be null for POs that are hidden, so they don't get
// shown
if (aPO->mWindow) {
aPO->mWindow->Show(aShow);
}
}
if (!aPO->mInvisible) {
PRInt32 cnt = aPO->mKids.Count();
for (PRInt32 i=0;i<cnt;i++) {
if (NS_FAILED(ShowDocListInternal((nsPrintObject *)aPO->mKids[i], aShow))) {
return NS_ERROR_FAILURE;
}
}
}
return NS_OK;
}
//-------------------------------------------------------
nsresult
nsPrintEngine::ShowDocList(PRBool aShow)
{
return ShowDocListInternal(mPrt->mPrintObject, aShow);
}
//-------------------------------------------------------
void
nsPrintEngine::TurnScriptingOn(PRBool aDoTurnOn)
{
NS_ASSERTION(mDocument, "We MUST have a document.");
// get the script global object
nsIScriptGlobalObject *scriptGlobalObj = mDocument->GetScriptGlobalObject();
NS_ASSERTION(scriptGlobalObj, "Can't get nsIScriptGlobalObject");
nsIScriptContext *scx = scriptGlobalObj->GetContext();
NS_ASSERTION(scx, "Can't get nsIScriptContext");
scx->SetScriptsEnabled(aDoTurnOn, PR_TRUE);
}
//-----------------------------------------------------------------
//-- Done: Misc Support Methods
//-----------------------------------------------------------------
//-----------------------------------------------------------------
//-- Section: Finishing up or Cleaning up
//-----------------------------------------------------------------
//-----------------------------------------------------------------
void
nsPrintEngine::CloseProgressDialog(nsIWebProgressListener* aWebProgressListener)
{
if (aWebProgressListener) {
aWebProgressListener->OnStateChange(nsnull, nsnull, nsIWebProgressListener::STATE_STOP|nsIWebProgressListener::STATE_IS_DOCUMENT, nsnull);
}
}
//-----------------------------------------------------------------
nsresult
nsPrintEngine::FinishPrintPreview()
{
nsresult rv = NS_OK;
#ifdef NS_PRINT_PREVIEW
rv = DocumentReadyForPrinting();
SetIsCreatingPrintPreview(PR_FALSE);
/* cleaup on failure + notify user */
if (NS_FAILED(rv)) {
/* cleanup done, let's fire-up an error dialog to notify the user
* what went wrong...
*/
SetIsPrintPreview(PR_FALSE);
mPrt->OnEndPrinting();
TurnScriptingOn(PR_TRUE);
FirePrintCompletionEvent();
return CleanupOnFailure(rv, PR_FALSE); // ignore return value here
}
// At this point we are done preparing everything
// before it is to be created
// Noew create the new Presentation and display it
mDocViewerPrint->InstallNewPresentation();
mPrt->OnEndPrinting();
// PrintPreview was built using the mPrt (code reuse)
// then we assign it over
mPrtPreview = mPrt;
mPrt = nsnull;
// Turning off the scaling of twips so any of the UI scrollbars
// will not get scaled
if (mPresContext->Type() == nsPresContext::eContext_PrintPreview) {
mPresContext->SetScalingOfTwips(PR_FALSE);
mDeviceContext->SetCanonicalPixelScale(mPrtPreview->mOrigDCScale);
}
#endif // NS_PRINT_PREVIEW
return NS_OK;
}
//-----------------------------------------------------------------
//-- Done: Finishing up or Cleaning up
//-----------------------------------------------------------------
/*=============== Timer Related Code ======================*/
nsresult
nsPrintEngine::StartPagePrintTimer(nsPresContext * aPresContext,
nsIPrintSettings* aPrintSettings,
nsPrintObject* aPOect,
PRUint32 aDelay)
{
nsresult result;
if (!mPagePrintTimer) {
result = NS_NewPagePrintTimer(&mPagePrintTimer);
if (NS_FAILED(result))
return result;
mDocViewerPrint->IncrementDestroyRefCount();
}
return mPagePrintTimer->Start(this, mDocViewerPrint, aPresContext, aPrintSettings, aPOect, aDelay);
}
/*=============== nsIObserver Interface ======================*/
NS_IMETHODIMP
nsPrintEngine::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *aData)
{
nsresult rv = NS_ERROR_FAILURE;
if (mIsDoingPrinting) {
rv = DocumentReadyForPrinting();
/* cleaup on failure + notify user */
if (NS_FAILED(rv)) {
CleanupOnFailure(rv, PR_TRUE);
}
} else {
rv = FinishPrintPreview();
if (mPrtPreview) {
mPrtPreview->OnEndPrinting();
}
rv = NS_OK;
}
return rv;
}
//---------------------------------------------------------------
//-- PLEvent Notification
//---------------------------------------------------------------
void PR_CALLBACK HandlePLEvent(PLEvent* aEvent)
{
nsIDocumentViewerPrint *docViewerPrint = (nsIDocumentViewerPrint*)PL_GetEventOwner(aEvent);
NS_ASSERTION(docViewerPrint, "The event owner is null.");
if (docViewerPrint) {
docViewerPrint->OnDonePrinting();
}
}
//------------------------------------------------------------------------
void PR_CALLBACK DestroyPLEvent(PLEvent* aEvent)
{
nsIDocumentViewerPrint *docViewerPrint = (nsIDocumentViewerPrint*)PL_GetEventOwner(aEvent);
NS_IF_RELEASE(docViewerPrint);
delete aEvent;
}
//-----------------------------------------------------------
void
nsPrintEngine::FirePrintCompletionEvent()
{
static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
nsCOMPtr<nsIEventQueueService> event_service = do_GetService(kEventQueueServiceCID);
if (!event_service)
{
NS_WARNING("Failed to get event queue service");
return;
}
nsCOMPtr<nsIEventQueue> event_queue;
event_service->GetThreadEventQueue(NS_CURRENT_THREAD,
getter_AddRefs(event_queue));
if (!event_queue)
{
NS_WARNING("Failed to get event queue from service");
return;
}
PLEvent *event = new PLEvent;
if (!event)
{
NS_WARNING("Out of memory?");
return;
}
PL_InitEvent(event, mDocViewerPrint, (PLHandleEventProc)::HandlePLEvent, (PLDestroyEventProc)::DestroyPLEvent);
// The event owns the docviewer pointer now.
NS_ADDREF(mDocViewerPrint);
event_queue->PostEvent(event);
return;
}
//---------------------------------------------------------------
//---------------------------------------------------------------
//-- Debug helper routines
//---------------------------------------------------------------
//---------------------------------------------------------------
#if (defined(XP_WIN) || defined(XP_OS2)) && defined(EXTENDED_DEBUG_PRINTING)
#include "windows.h"
#include "process.h"
#include "direct.h"
#define MY_FINDFIRST(a,b) FindFirstFile(a,b)
#define MY_FINDNEXT(a,b) FindNextFile(a,b)
#define ISDIR(a) (a.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
#define MY_FINDCLOSE(a) FindClose(a)
#define MY_FILENAME(a) a.cFileName
#define MY_FILESIZE(a) (a.nFileSizeHigh * MAXDWORD) + a.nFileSizeLow
int RemoveFilesInDir(const char * aDir)
{
WIN32_FIND_DATA data_ptr;
HANDLE find_handle;
char path[MAX_PATH];
strcpy(path, aDir);
// Append slash to the end of the directory names if not there
if (path[strlen(path)-1] != '\\')
strcat(path, "\\");
char findPath[MAX_PATH];
strcpy(findPath, path);
strcat(findPath, "*.*");
find_handle = MY_FINDFIRST(findPath, &data_ptr);
if (find_handle != INVALID_HANDLE_VALUE) {
do {
if (ISDIR(data_ptr)
&& (stricmp(MY_FILENAME(data_ptr),"."))
&& (stricmp(MY_FILENAME(data_ptr),".."))) {
// skip
}
else if (!ISDIR(data_ptr)) {
if (!strncmp(MY_FILENAME(data_ptr), "print_dump", 10)) {
char fileName[MAX_PATH];
strcpy(fileName, aDir);
strcat(fileName, "\\");
strcat(fileName, MY_FILENAME(data_ptr));
printf("Removing %s\n", fileName);
remove(fileName);
}
}
} while(MY_FINDNEXT(find_handle,&data_ptr));
MY_FINDCLOSE(find_handle);
}
return TRUE;
}
#endif
#ifdef EXTENDED_DEBUG_PRINTING
/** ---------------------------------------------------
* Dumps Frames for Printing
*/
static void RootFrameList(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent)
{
if (!aPresContext || !out)
return;
nsIPresShell *shell = aPresContext->GetPresShell();
if (shell) {
nsIFrame* frame = shell->FrameManager()->GetRootFrame();
if (frame) {
nsIFrameDebug* debugFrame;
nsresult rv = CallQueryInterface(frame, &debugFrame);
if (NS_SUCCEEDED(rv))
debugFrame->List(aPresContext, out, aIndent);
}
}
}
/** ---------------------------------------------------
* Dumps Frames for Printing
*/
static void DumpFrames(FILE* out,
nsPresContext* aPresContext,
nsIRenderingContext * aRendContext,
nsIFrame * aFrame,
PRInt32 aLevel)
{
NS_ASSERTION(out, "Pointer is null!");
NS_ASSERTION(aPresContext, "Pointer is null!");
NS_ASSERTION(aRendContext, "Pointer is null!");
NS_ASSERTION(aFrame, "Pointer is null!");
nsIFrame* child = aFrame->GetFirstChild(nsnull);
while (child != nsnull) {
for (PRInt32 i=0;i<aLevel;i++) {
fprintf(out, " ");
}
nsAutoString tmp;
nsIFrameDebug* frameDebug;
if (NS_SUCCEEDED(CallQueryInterface(child, &frameDebug))) {
frameDebug->GetFrameName(tmp);
}
fputs(NS_LossyConvertUCS2toASCII(tmp).get(), out);
PRBool isSelected;
if (NS_SUCCEEDED(child->IsVisibleForPainting(aPresContext, *aRendContext, PR_TRUE, &isSelected))) {
fprintf(out, " %p %s", child, isSelected?"VIS":"UVS");
nsRect rect = child->GetRect();
fprintf(out, "[%d,%d,%d,%d] ", rect.x, rect.y, rect.width, rect.height);
fprintf(out, "v: %p ", (void*)child->GetView());
fprintf(out, "\n");
DumpFrames(out, aPresContext, aRendContext, child, aLevel+1);
child = child->GetNextSibling();
}
}
}
/** ---------------------------------------------------
* Dumps the Views from the DocShell
*/
static void
DumpViews(nsIDocShell* aDocShell, FILE* out)
{
NS_ASSERTION(aDocShell, "Pointer is null!");
NS_ASSERTION(out, "Pointer is null!");
if (nsnull != aDocShell) {
fprintf(out, "docshell=%p \n", aDocShell);
nsIPresShell* shell = nsPrintEngine::GetPresShellFor(aDocShell);
if (shell) {
nsIViewManager* vm = shell->GetViewManager();
if (vm) {
nsIView* root;
vm->GetRootView(root);
if (nsnull != root) {
root->List(out);
}
}
}
else {
fputs("null pres shell\n", out);
}
// dump the views of the sub documents
PRInt32 i, n;
nsCOMPtr<nsIDocShellTreeNode> docShellAsNode(do_QueryInterface(aDocShell));
docShellAsNode->GetChildCount(&n);
for (i = 0; i < n; i++) {
nsCOMPtr<nsIDocShellTreeItem> child;
docShellAsNode->GetChildAt(i, getter_AddRefs(child));
nsCOMPtr<nsIDocShell> childAsShell(do_QueryInterface(child));
if (childAsShell) {
DumpViews(childAsShell, out);
}
}
}
}
/** ---------------------------------------------------
* Dumps the Views and Frames
*/
void DumpLayoutData(char* aTitleStr,
char* aURLStr,
nsPresContext* aPresContext,
nsIDeviceContext * aDC,
nsIFrame * aRootFrame,
nsIDocShekk * aDocShell,
FILE* aFD = nsnull)
{
if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
if (aPresContext == nsnull || aDC == nsnull) {
return;
}
#ifdef NS_PRINT_PREVIEW
if (aPresContext->Type() == nsPresContext::eContext_PrintPreview) {
return;
}
#endif
NS_ASSERTION(aRootFrame, "Pointer is null!");
NS_ASSERTION(aDocShell, "Pointer is null!");
// Dump all the frames and view to a a file
char filename[256];
sprintf(filename, "print_dump_layout_%d.txt", gDumpLOFileNameCnt++);
FILE * fd = aFD?aFD:fopen(filename, "w");
if (fd) {
fprintf(fd, "Title: %s\n", aTitleStr?aTitleStr:"");
fprintf(fd, "URL: %s\n", aURLStr?aURLStr:"");
fprintf(fd, "--------------- Frames ----------------\n");
fprintf(fd, "--------------- Frames ----------------\n");
nsCOMPtr<nsIRenderingContext> renderingContext;
aDC->CreateRenderingContext(*getter_AddRefs(renderingContext));
RootFrameList(aPresContext, fd, 0);
//DumpFrames(fd, aPresContext, renderingContext, aRootFrame, 0);
fprintf(fd, "---------------------------------------\n\n");
fprintf(fd, "--------------- Views From Root Frame----------------\n");
nsIView* v = aRootFrame->GetView();
if (v) {
v->List(fd);
} else {
printf("View is null!\n");
}
if (aDocShell) {
fprintf(fd, "--------------- All Views ----------------\n");
DumpViews(aDocShell, fd);
fprintf(fd, "---------------------------------------\n\n");
}
if (aFD == nsnull) {
fclose(fd);
}
}
}
//-------------------------------------------------------------
static void DumpPrintObjectsList(nsVoidArray * aDocList)
{
if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
NS_ASSERTION(aDocList, "Pointer is null!");
const char types[][3] = {"DC", "FR", "IF", "FS"};
PR_PL(("Doc List\n***************************************************\n"));
PR_PL(("T P A H PO DocShell Seq Page Root Page# Rect\n"));
PRInt32 cnt = aDocList->Count();
for (PRInt32 i=0;i<cnt;i++) {
nsPrintObject* po = (nsPrintObject*)aDocList->ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
nsIFrame* rootFrame = nsnull;
if (po->mPresShell) {
rootFrame = po->mPresShell->FrameManager()->GetRootFrame();
while (rootFrame != nsnull) {
nsIPageSequenceFrame * sqf = nsnull;
if (NS_SUCCEEDED(CallQueryInterface(rootFrame, &sqf))) {
break;
}
rootFrame = rootFrame->GetFirstChild(nsnull);
}
}
PR_PL(("%s %d %d %d %p %p %p %p %p %d %d,%d,%d,%d\n", types[po->mFrameType],
po->IsPrintable(), po->mPrintAsIs, po->mHasBeenPrinted, po, po->mDocShell.get(), po->mSeqFrame,
po->mPageFrame, rootFrame, po->mPageNum, po->mRect.x, po->mRect.y, po->mRect.width, po->mRect.height));
}
}
//-------------------------------------------------------------
static void DumpPrintObjectsTree(nsPrintObject * aPO, int aLevel, FILE* aFD)
{
if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
NS_ASSERTION(aPO, "Pointer is null!");
FILE * fd = aFD?aFD:stdout;
const char types[][3] = {"DC", "FR", "IF", "FS"};
if (aLevel == 0) {
fprintf(fd, "DocTree\n***************************************************\n");
fprintf(fd, "T PO DocShell Seq Page Page# Rect\n");
}
PRInt32 cnt = aPO->mKids.Count();
for (PRInt32 i=0;i<cnt;i++) {
nsPrintObject* po = (nsPrintObject*)aPO->mKids.ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
for (PRInt32 k=0;k<aLevel;k++) fprintf(fd, " ");
fprintf(fd, "%s %p %p %p %p %d %d,%d,%d,%d\n", types[po->mFrameType], po, po->mDocShell.get(), po->mSeqFrame,
po->mPageFrame, po->mPageNum, po->mRect.x, po->mRect.y, po->mRect.width, po->mRect.height);
}
}
//-------------------------------------------------------------
static void GetDocTitleAndURL(nsPrintObject* aPO, char *& aDocStr, char *& aURLStr)
{
aDocStr = nsnull;
aURLStr = nsnull;
PRUnichar * mozillaDoc = ToNewUnicode(NS_LITERAL_STRING("Mozilla Document"));
PRUnichar * docTitleStr;
PRUnichar * docURLStr;
nsPrintEngine::GetDisplayTitleAndURL(aPO, nsnull, mozillaDoc,
&docTitleStr, &docURLStr,
nsPrintEngine::eDocTitleDefURLDoc);
if (docTitleStr) {
nsAutoString strDocTitle(docTitleStr);
aDocStr = ToNewCString(strDocTitle);
nsMemory::Free(docTitleStr);
}
if (docURLStr) {
nsAutoString strURL(docURLStr);
aURLStr = ToNewCString(strURL);
nsMemory::Free(docURLStr);
}
if (mozillaDoc) {
nsMemory::Free(mozillaDoc);
}
}
//-------------------------------------------------------------
static void DumpPrintObjectsTreeLayout(nsPrintObject * aPO,
nsIDeviceContext * aDC,
int aLevel, FILE * aFD)
{
if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
NS_ASSERTION(aPO, "Pointer is null!");
NS_ASSERTION(aDC, "Pointer is null!");
const char types[][3] = {"DC", "FR", "IF", "FS"};
FILE * fd = nsnull;
if (aLevel == 0) {
fd = fopen("tree_layout.txt", "w");
fprintf(fd, "DocTree\n***************************************************\n");
fprintf(fd, "***************************************************\n");
fprintf(fd, "T PO DocShell Seq Page Page# Rect\n");
} else {
fd = aFD;
}
if (fd) {
nsIFrame* rootFrame = nsnull;
if (aPO->mPresShell) {
rootFrame = aPO->mPresShell->FrameManager()->GetRootFrame();
}
for (PRInt32 k=0;k<aLevel;k++) fprintf(fd, " ");
fprintf(fd, "%s %p %p %p %p %d %d,%d,%d,%d\n", types[aPO->mFrameType], aPO, aPO->mDocShell.get(), aPO->mSeqFrame,
aPO->mPageFrame, aPO->mPageNum, aPO->mRect.x, aPO->mRect.y, aPO->mRect.width, aPO->mRect.height);
if (aPO->IsPrintable()) {
char * docStr;
char * urlStr;
GetDocTitleAndURL(aPO, docStr, urlStr);
DumpLayoutData(docStr, urlStr, aPO->mPresContext, aDC, rootFrame, aPO->mDocShell, fd);
if (docStr) nsMemory::Free(docStr);
if (urlStr) nsMemory::Free(urlStr);
}
fprintf(fd, "<***************************************************>\n");
PRInt32 cnt = aPO->mKids.Count();
for (PRInt32 i=0;i<cnt;i++) {
nsPrintObject* po = (nsPrintObject*)aPO->mKids.ElementAt(i);
NS_ASSERTION(po, "nsPrintObject can't be null!");
DumpPrintObjectsTreeLayout(po, aDC, aLevel+1, fd);
}
}
if (aLevel == 0 && fd) {
fclose(fd);
}
}
//-------------------------------------------------------------
static void DumpPrintObjectsListStart(const char * aStr, nsVoidArray * aDocList)
{
if (!kPrintingLogMod || kPrintingLogMod->level != DUMP_LAYOUT_LEVEL) return;
NS_ASSERTION(aStr, "Pointer is null!");
NS_ASSERTION(aDocList, "Pointer is null!");
PR_PL(("%s\n", aStr));
DumpPrintObjectsList(aDocList);
}
#define DUMP_DOC_LIST(_title) DumpPrintObjectsListStart((_title), mPrt->mPrintDocList);
#define DUMP_DOC_TREE DumpPrintObjectsTree(mPrt->mPrintObject);
#define DUMP_DOC_TREELAYOUT DumpPrintObjectsTreeLayout(mPrt->mPrintObject, mPrt->mPrintDC);
#else
#define DUMP_DOC_LIST(_title)
#define DUMP_DOC_TREE
#define DUMP_DOC_TREELAYOUT
#endif
#ifdef MOZ_LAYOUTDEBUG
nsCOMPtr<nsIDebugObject> nsPrintEngine::mLayoutDebugObj;
PRBool nsPrintEngine::mIsDoingRuntimeTesting = PR_FALSE;
void
nsPrintEngine::InitializeTestRuntimeError()
{
mIsDoingRuntimeTesting =
nsContentUtils::GetBoolPref("print.doing_runtime_error_checking");
mLayoutDebugObj = do_GetService("@mozilla.org/debug/debugobject;1");
}
PRBool
nsPrintEngine::IsDoingRuntimeTesting()
{
PRBool isDoingTests = PR_FALSE;
if (mLayoutDebugObj) {
mLayoutDebugObj->GetDoRuntimeTests(&isDoingTests);
}
return isDoingTests;
}
nsresult
nsPrintEngine::TestRuntimeErrorCondition(PRInt16 aRuntimeID,
nsresult aCurrentErrorCode,
nsresult aNewErrorCode)
{
PRInt16 id;
if (mLayoutDebugObj) {
if (NS_SUCCEEDED(mLayoutDebugObj->GetTestId(&id))) {
if (id == aRuntimeID) {
return aNewErrorCode;
}
}
}
return aCurrentErrorCode;
}
#endif
//---------------------------------------------------------------
//---------------------------------------------------------------
//-- End of debug helper routines
//---------------------------------------------------------------
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