зеркало из https://github.com/mozilla/gecko-dev.git
141 строка
4.6 KiB
C++
141 строка
4.6 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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// InBody: true if node is a descendant of the body
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//
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PRBool
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nsTextEditUtils::InBody(nsIDOMNode *node, nsIEditor *editor)
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{
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if (node)
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{
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nsCOMPtr<nsIDOMElement> rootElement;
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editor->GetRootElement(getter_AddRefs(rootElement));
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nsCOMPtr<nsIDOMNode> rootNode = do_QueryInterface(rootElement);
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if (!rootNode)
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return PR_FALSE;
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nsCOMPtr<nsIDOMNode> tmp;
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nsCOMPtr<nsIDOMNode> p = node;
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while (p && p != rootNode)
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{
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if (NS_FAILED(p->GetParentNode(getter_AddRefs(tmp))) || !tmp)
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return PR_FALSE;
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p = tmp;
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}
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}
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return PR_TRUE;
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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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