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https://gitlab.winehq.org/wine/wine-gecko.git
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4a9dec68d7
The main fix here involves the introduction of the nsHTMLEditor::IsNodeInActiveEditor API. This API returns true if the current selection in the document falls inside the active editable section. The patch adds a bunch of checks using this API to various places in the code to make sure that editing operations do not escape their editing host. There are also some unrelated fixes to range promotion code which fix the bugs that have existed in that code before, but because of the lack of this check were not uncovered before. This patch also removes the nsTextEditUtils::InBody API which only made sense in designMode documents, and was insufficient for contenteditable elements.
114 lines
3.9 KiB
C++
114 lines
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 "nsTextEditUtils.h"
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#include "nsEditor.h"
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#include "nsPlaintextEditor.h"
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#include "nsEditProperty.h"
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///////////////////////////////////////////////////////////////////////////
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// IsBody: true if node an html body node
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//
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// Would use NodeIsType and the corresponding atom, but
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// the atom list isn't generationed in a plaintext-only
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// configured build.
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PRBool
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nsTextEditUtils::IsBody(nsIDOMNode *node)
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{
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return nsEditor::NodeIsTypeString(node, NS_LITERAL_STRING("body"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsBreak: true if node an html break node
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//
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// See previous comment regarding NodeisType
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PRBool
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nsTextEditUtils::IsBreak(nsIDOMNode *node)
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{
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return nsEditor::NodeIsTypeString(node, NS_LITERAL_STRING("br"));
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}
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///////////////////////////////////////////////////////////////////////////
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// IsMozBR: true if node an html br node with type = _moz
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//
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PRBool
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nsTextEditUtils::IsMozBR(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null node passed to nsHTMLEditUtils::IsMozBR");
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if (IsBreak(node) && HasMozAttr(node)) return PR_TRUE;
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// HasMozAttr: true if node has type attribute = _moz
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// (used to indicate the div's and br's we use in
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// mail compose rules)
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//
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PRBool
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nsTextEditUtils::HasMozAttr(nsIDOMNode *node)
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{
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NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::HasMozAttr");
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nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(node);
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if (elem)
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{
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nsAutoString typeAttrVal;
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nsresult res = elem->GetAttribute(NS_LITERAL_STRING("type"), typeAttrVal);
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if (NS_SUCCEEDED(res) && (typeAttrVal.LowerCaseEqualsLiteral("_moz")))
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return PR_TRUE;
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}
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return PR_FALSE;
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}
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///////////////////////////////////////////////////////////////////////////
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// nsAutoEditInitRulesTrigger methods
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//
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nsAutoEditInitRulesTrigger::nsAutoEditInitRulesTrigger( nsPlaintextEditor *aEd, nsresult &aRes) : mEd(aEd), mRes(aRes)
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{
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if (mEd) mEd->BeginEditorInit();
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}
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nsAutoEditInitRulesTrigger::~nsAutoEditInitRulesTrigger()
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{
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if (mEd) mRes = mEd->EndEditorInit();
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}
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