зеркало из https://github.com/mozilla/gecko-dev.git
115 строки
3.9 KiB
C++
115 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsPrintObject.h"
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#include "imgIContainer.h"
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//---------------------------------------------------
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//-- nsPrintObject Class Impl
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//---------------------------------------------------
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nsPrintObject::nsPrintObject() :
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mFrameType(eFrame), mStyleSet(nsnull),
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mRootView(nsnull), mContent(nsnull),
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mSeqFrame(nsnull), mPageFrame(nsnull), mPageNum(-1),
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mRect(0,0,0,0), mReflowRect(0,0,0,0),
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mParent(nsnull), mHasBeenPrinted(PR_FALSE), mDontPrint(PR_TRUE),
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mPrintAsIs(PR_FALSE), mSkippedPageEject(PR_FALSE), mSharedPresShell(PR_FALSE), mIsHidden(PR_FALSE),
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mClipRect(-1,-1, -1, -1),
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mImgAnimationMode(imgIContainer::kNormalAnimMode),
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mDocTitle(nsnull), mDocURL(nsnull), mShrinkRatio(1.0), mXMost(0)
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{
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}
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nsPrintObject::~nsPrintObject()
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{
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if (mPresContext) {
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mPresContext->SetImageAnimationMode(mImgAnimationMode);
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}
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for (PRInt32 i=0;i<mKids.Count();i++) {
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nsPrintObject* po = (nsPrintObject*)mKids[i];
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NS_ASSERTION(po, "nsPrintObject can't be null!");
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delete po;
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}
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if (mPresShell && !mSharedPresShell) {
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mPresShell->EndObservingDocument();
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mPresShell->Destroy();
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}
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if (mDocTitle) nsMemory::Free(mDocTitle);
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if (mDocURL) nsMemory::Free(mDocURL);
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}
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//------------------------------------------------------------------
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// Resets PO by destroying the presentation
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nsresult
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nsPrintObject::Init(nsIWebShell* aWebShell)
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{
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mWebShell = aWebShell;
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mDocShell = do_QueryInterface(mWebShell);
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NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE);
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mDocShell->GetPresShell(getter_AddRefs(mDisplayPresShell));
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NS_ENSURE_TRUE(mDisplayPresShell, NS_ERROR_FAILURE);
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mDocShell->GetPresContext(getter_AddRefs(mDisplayPresContext));
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NS_ENSURE_TRUE(mDisplayPresContext, NS_ERROR_FAILURE);
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mDocument = mDisplayPresShell->GetDocument();
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NS_ENSURE_TRUE(mDocument, NS_ERROR_FAILURE);
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return NS_OK;
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}
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//------------------------------------------------------------------
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// Resets PO by destroying the presentation
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void
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nsPrintObject::DestroyPresentation()
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{
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mWindow = nsnull;
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mPresContext = nsnull;
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if (mPresShell) mPresShell->Destroy();
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mPresShell = nsnull;
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mViewManager = nsnull;
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mStyleSet = nsnull;
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}
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