2001-02-17 12:53:29 +03:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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2002-03-19 07:30:17 +03:00
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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2001-02-17 12:53:29 +03:00
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* 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
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* terms of the GNU Public License (the "GPL"), in which case the
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* provisions of the GPL are applicable instead of those above.
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* If you wish to allow use of your version of this file only
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* under the terms of the GPL and not to allow others to use your
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* version of this file under the NPL, indicate your decision by
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* deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the NPL or the GPL.
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*/
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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/* A namespace class for static content utilities. */
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2001-02-17 12:53:29 +03:00
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#ifndef nsContentUtils_h___
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#define nsContentUtils_h___
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#include "jspubtd.h"
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2002-03-24 02:54:46 +03:00
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#include "nsAString.h"
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2002-06-26 00:03:06 +04:00
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#include "nsIDOMNode.h"
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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#include "nsIDOMScriptObjectFactory.h"
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2001-02-17 12:53:29 +03:00
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class nsIScriptContext;
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class nsIScriptGlobalObject;
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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class nsIXPConnect;
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class nsIContent;
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class nsIDocument;
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2001-02-17 12:53:29 +03:00
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class nsContentUtils
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{
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public:
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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static nsresult Init();
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static nsresult ReparentContentWrapper(nsIContent *aContent,
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nsIContent *aNewParent,
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nsIDocument *aNewDocument,
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nsIDocument *aOldDocument);
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2001-02-17 12:53:29 +03:00
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2002-06-26 00:03:06 +04:00
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static PRBool IsCallerChrome();
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/*
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2002-06-27 01:05:00 +04:00
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* Returns true if the nodes are both in the same document or
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* if neither is in a document.
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* Returns false if the nodes are not in the same document.
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2002-06-26 00:03:06 +04:00
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*/
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static PRBool InSameDoc(nsIDOMNode *aNode,
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nsIDOMNode *aOther);
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2002-06-28 05:30:09 +04:00
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/**
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* Do not ever pass null pointers to this method. If one of your
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* nsIContents is null, you have to decide for yourself what
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* "IsDescendantOf" really means.
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*
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* @param aPossibleDescendant node to test for being a descendant of
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* aPossibleAncestor
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* @param aPossibleAncestor node to test for being an ancestor of
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* aPossibleDescendant
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* @return PR_TRUE if aPossibleDescendant is a descendant of
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* aPossibleAncestor (or is aPossibleAncestor). PR_FALSE
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* otherwise.
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*/
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static PRBool ContentIsDescendantOf(nsIContent* aPossibleDescendant,
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nsIContent* aPossibleAncestor);
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2002-06-26 00:03:06 +04:00
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/*
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* This method fills the |aArray| with all ancestor nodes of |aNode|
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* including |aNode| at the zero index.
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*
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* These elements were |nsIDOMNode*|s before casting to |void*| and must
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* be cast back to |nsIDOMNode*| on usage, or bad things will happen.
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*/
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static nsresult GetAncestors(nsIDOMNode* aNode,
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nsVoidArray* aArray);
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/*
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* This method fills |aAncestorNodes| with all ancestor nodes of |aNode|
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* including |aNode| (QI'd to nsIContent) at the zero index.
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* For each ancestor, there is a corresponding element in |aAncestorOffsets|
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* which is the IndexOf the child in relation to its parent.
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*
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* The elements of |aAncestorNodes| were |nsIContent*|s before casting to
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* |void*| and must be cast back to |nsIContent*| on usage, or bad things
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* will happen.
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*
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* This method just sucks.
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*/
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static nsresult GetAncestorsAndOffsets(nsIDOMNode* aNode,
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PRInt32 aOffset,
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nsVoidArray* aAncestorNodes,
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nsVoidArray* aAncestorOffsets);
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/*
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* The out parameter, |aCommonAncestor| will be the closest node, if any,
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* to both |aNode| and |aOther| which is also an ancestor of each.
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*/
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static nsresult GetCommonAncestor(nsIDOMNode *aNode,
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nsIDOMNode *aOther,
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nsIDOMNode** aCommonAncestor);
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/*
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* |aDifferentNodes| will contain up to 3 elements.
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* The first, if present, is the common ancestor of |aNode| and |aOther|.
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* The second, if present, is the ancestor node of |aNode| which is
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* closest to the common ancestor, but not an ancestor of |aOther|.
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* The third, if present, is the ancestor node of |aOther| which is
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* closest to the common ancestor, but not an ancestor of |aNode|.
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*
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* These elements were |nsIDOMNode*|s before casting to void* and must
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* be cast back to |nsIDOMNode*| on usage, or bad things will happen.
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*/
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static nsresult GetFirstDifferentAncestors(nsIDOMNode *aNode,
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nsIDOMNode *aOther,
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nsVoidArray* aDifferentNodes);
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2002-04-12 14:11:00 +04:00
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2001-02-17 12:53:29 +03:00
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// These are copied from nsJSUtils.h
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static nsresult GetStaticScriptGlobal(JSContext* aContext,
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JSObject* aObj,
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nsIScriptGlobalObject** aNativeGlobal);
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static nsresult GetStaticScriptContext(JSContext* aContext,
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JSObject* aObj,
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nsIScriptContext** aScriptContext);
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static nsresult GetDynamicScriptGlobal(JSContext *aContext,
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nsIScriptGlobalObject** aNativeGlobal);
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static nsresult GetDynamicScriptContext(JSContext *aContext,
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nsIScriptContext** aScriptContext);
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2002-03-24 02:54:46 +03:00
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static PRUint32 CopyNewlineNormalizedUnicodeTo(const nsAString& aSource,
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PRUint32 aSrcOffset,
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PRUnichar* aDest,
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PRUint32 aLength,
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PRBool& aLastCharCR);
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2002-03-24 02:54:46 +03:00
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static PRUint32 CopyNewlineNormalizedUnicodeTo(nsReadingIterator<PRUnichar>& aSrcStart, const nsReadingIterator<PRUnichar>& aSrcEnd, nsAString& aDest);
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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static nsISupports *
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2001-07-11 13:09:30 +04:00
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GetClassInfoInstance(nsDOMClassInfoID aID);
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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2002-06-12 03:23:12 +04:00
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static const nsDependentSubstring TrimCharsInSet(const char* aSet,
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const nsAString& aValue);
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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static void Shutdown();
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2002-07-15 23:25:27 +04:00
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// Checks if two nodes live in document coming from the same origin
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static nsresult CheckSameOrigin(nsIDOMNode* aNode1, nsIDOMNode* aNode2);
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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2002-07-16 17:09:15 +04:00
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// Check if the (JS) caller can access aNode.
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static PRBool CanCallerAccess(nsIDOMNode *aNode);
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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private:
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static nsresult doReparentContentWrapper(nsIContent *aChild,
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nsIDocument *aNewDocument,
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nsIDocument *aOldDocument,
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JSContext *cx,
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JSObject *parent_obj);
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static nsIDOMScriptObjectFactory *sDOMScriptObjectFactory;
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static nsIXPConnect *sXPConnect;
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2001-02-17 12:53:29 +03:00
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};
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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#define NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(_class) \
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if (aIID.Equals(NS_GET_IID(nsIClassInfo))) { \
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foundInterface = \
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2001-07-11 13:09:30 +04:00
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nsContentUtils::GetClassInfoInstance(eDOMClassInfo_##_class##_id); \
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Landing the XPCDOM_20010329_BRANCH branch, changes mostly done by jband@netscape.com and jst@netscape.com, also some changes done by shaver@mozilla.org, peterv@netscape.com and markh@activestate.com. r= and sr= by vidur@netscape.com, jband@netscape.com, jst@netscpae.com, danm@netscape.com, hyatt@netscape.com, shaver@mozilla.org, dbradley@netscape.com, rpotts@netscape.com.
2001-05-08 20:46:42 +04:00
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NS_ENSURE_TRUE(foundInterface, NS_ERROR_OUT_OF_MEMORY); \
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\
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*aInstancePtr = foundInterface; \
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\
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return NS_OK; \
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} else
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2001-02-17 12:53:29 +03:00
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#endif /* nsContentUtils_h___ */
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