pjs/layout/printing/nsPrintObject.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
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#include "nsPrintObject.h"
//---------------------------------------------------
//-- nsPrintObject Class Impl
//---------------------------------------------------
nsPrintObject::nsPrintObject() :
mFrameType(eFrame), mRootView(nsnull), mContent(nsnull), mParent(nsnull),
mHasBeenPrinted(PR_FALSE), mDontPrint(PR_TRUE), mPrintAsIs(PR_FALSE),
mSharedPresShell(PR_FALSE), mInvisible(PR_FALSE),
mDocTitle(nsnull), mDocURL(nsnull), mShrinkRatio(1.0)
{
}
nsPrintObject::~nsPrintObject()
{
for (PRInt32 i=0;i<mKids.Count();i++) {
nsPrintObject* po = (nsPrintObject*)mKids[i];
delete po;
}
if (mPresShell && !mSharedPresShell) {
mPresShell->EndObservingDocument();
mPresShell->Destroy();
}
if (mDocTitle) nsMemory::Free(mDocTitle);
if (mDocURL) nsMemory::Free(mDocURL);
}
//------------------------------------------------------------------
// Resets PO by destroying the presentation
nsresult
nsPrintObject::Init(nsIDocShell* aDocShell)
{
mDocShell = aDocShell;
NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE);
mDocShell->GetPresShell(getter_AddRefs(mDisplayPresShell));
NS_ENSURE_TRUE(mDisplayPresShell, NS_ERROR_FAILURE);
mDocument = mDisplayPresShell->GetDocument();
NS_ENSURE_TRUE(mDocument, NS_ERROR_FAILURE);
return NS_OK;
}
//------------------------------------------------------------------
// Resets PO by destroying the presentation
void
nsPrintObject::DestroyPresentation()
{
mWindow = nsnull;
mPresContext = nsnull;
if (mPresShell) mPresShell->Destroy();
mPresShell = nsnull;
mViewManager = nsnull;
}