mirror of
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134 lines
4.3 KiB
C++
134 lines
4.3 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 Communicator client 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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* Original Author: David W. Hyatt (hyatt@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 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 "nsXBLInsertionPoint.h"
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#include "nsContentUtils.h"
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nsXBLInsertionPoint::nsXBLInsertionPoint(nsIContent* aParentElement,
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PRUint32 aIndex,
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nsIContent* aDefaultContent)
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: mParentElement(aParentElement),
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mIndex(aIndex),
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mDefaultContentTemplate(aDefaultContent)
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{
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}
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nsXBLInsertionPoint::~nsXBLInsertionPoint()
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{
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}
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nsrefcnt
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nsXBLInsertionPoint::Release()
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{
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--mRefCnt;
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NS_LOG_RELEASE(this, mRefCnt, "nsXBLInsertionPoint");
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if (mRefCnt == 0) {
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mRefCnt = 1;
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delete this;
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return 0;
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}
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return mRefCnt;
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(nsXBLInsertionPoint)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_NATIVE(nsXBLInsertionPoint)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMARRAY(mElements)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mDefaultContentTemplate)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mDefaultContent)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NATIVE_BEGIN(nsXBLInsertionPoint)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMARRAY(mElements)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mDefaultContentTemplate)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mDefaultContent)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(nsXBLInsertionPoint, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(nsXBLInsertionPoint, Release)
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nsIContent*
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nsXBLInsertionPoint::GetInsertionParent()
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{
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return mParentElement;
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}
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nsIContent*
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nsXBLInsertionPoint::GetDefaultContent()
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{
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return mDefaultContent;
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}
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nsIContent*
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nsXBLInsertionPoint::GetDefaultContentTemplate()
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{
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return mDefaultContentTemplate;
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}
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nsIContent*
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nsXBLInsertionPoint::ChildAt(PRUint32 aIndex)
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{
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return mElements.ObjectAt(aIndex);
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}
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PRBool
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nsXBLInsertionPoint::Matches(nsIContent* aContent, PRUint32 aIndex)
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{
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return (aContent == mParentElement && mIndex != -1 && ((PRInt32)aIndex) == mIndex);
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}
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void
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nsXBLInsertionPoint::UnbindDefaultContent()
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{
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if (!mDefaultContent) {
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return;
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}
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// Hold a strong ref while doing this, just in case
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nsCOMPtr<nsIContent> defContent = mDefaultContent;
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nsAutoScriptBlocker scriptBlocker;
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// Unbind the _kids_ of the default content, not just the default content
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// itself, since they are bound to some other parent. Basically we want to
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// undo the mess that InstallAnonymousContent created.
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PRUint32 childCount = mDefaultContent->GetChildCount();
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for (PRUint32 i = 0; i < childCount; i++) {
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defContent->GetChildAt(i)->UnbindFromTree();
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}
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defContent->UnbindFromTree();
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}
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