mirror of
https://github.com/mozilla/gecko-dev.git
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138 lines
4.2 KiB
C++
138 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mike Shaver <shaver@mozilla.org>
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* Randell Jesup <rjesup@wgate.com>
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* Chris Waterson <waterson@netscape.com>
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <stdio.h>
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#include "pldhash.h"
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#include "prenv.h"
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#include "nsReflowPath.h"
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#include "nsFrame.h"
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#include "nsIFrame.h"
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#include "nsHTMLReflowCommand.h"
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nsReflowPath::~nsReflowPath()
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{
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for (PRInt32 i = mChildren.Count() - 1; i >= 0; --i)
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delete NS_STATIC_CAST(nsReflowPath *, mChildren[i]);
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delete mReflowCommand;
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#ifdef DEBUG
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::memset(this, 0xdd, sizeof(*this));
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#endif
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}
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nsReflowPath::iterator
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nsReflowPath::FindChild(nsIFrame *aFrame)
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{
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for (PRInt32 i = mChildren.Count() - 1; i >= 0; --i) {
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nsReflowPath *subtree = NS_STATIC_CAST(nsReflowPath *, mChildren[i]);
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if (subtree->mFrame == aFrame)
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return iterator(this, i);
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}
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return iterator(this, -1);
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}
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nsReflowPath *
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nsReflowPath::GetSubtreeFor(nsIFrame *aFrame) const
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{
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for (PRInt32 i = mChildren.Count() - 1; i >= 0; --i) {
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nsReflowPath *subtree = NS_STATIC_CAST(nsReflowPath *, mChildren[i]);
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if (subtree->mFrame == aFrame)
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return subtree;
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}
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return nsnull;
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}
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nsReflowPath *
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nsReflowPath::EnsureSubtreeFor(nsIFrame *aFrame)
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{
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for (PRInt32 i = mChildren.Count() - 1; i >= 0; --i) {
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nsReflowPath *subtree = NS_STATIC_CAST(nsReflowPath *, mChildren[i]);
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if (subtree->mFrame == aFrame)
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return subtree;
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}
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nsReflowPath *subtree = new nsReflowPath(aFrame);
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mChildren.AppendElement(subtree);
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return subtree;
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}
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void
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nsReflowPath::Remove(iterator &aIterator)
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{
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NS_ASSERTION(aIterator.mNode == this, "inconsistent iterator");
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if (aIterator.mIndex >= 0 && aIterator.mIndex < mChildren.Count()) {
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delete NS_STATIC_CAST(nsReflowPath *, mChildren[aIterator.mIndex]);
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mChildren.RemoveElementAt(aIterator.mIndex);
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}
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}
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#ifdef DEBUG
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void
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DebugListReflowPath(nsIPresContext *aPresContext, nsReflowPath *aReflowPath)
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{
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aReflowPath->Dump(aPresContext, stdout, 0);
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}
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void
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nsReflowPath::Dump(nsIPresContext *aPresContext, FILE *aFile, int depth)
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{
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fprintf(aFile, "%*s nsReflowPath(%p): ", depth, "", this);
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nsFrame::ListTag(aFile, mFrame);
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if (mReflowCommand) {
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fprintf(aFile, " <- ");
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mReflowCommand->List(aFile);
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}
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fprintf(aFile, "\n");
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for (PRInt32 i = 0; i < mChildren.Count(); ++i) {
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nsReflowPath *child = NS_STATIC_CAST(nsReflowPath *, mChildren[i]);
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child->Dump(aPresContext, aFile, depth + 1);
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}
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}
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#endif
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