mirror of
https://github.com/mozilla/gecko-dev.git
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146 lines
4.1 KiB
C++
146 lines
4.1 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 Mozilla.com.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Boris Zbarsky <bzbarsky@mit.edu> (Original Author)
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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 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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#ifndef nsIRange_h___
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#define nsIRange_h___
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#include "nsISupports.h"
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#include "nsCOMPtr.h"
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#include "nsINode.h"
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#include "nsIDOMRange.h"
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// IID for the nsIRange interface
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#define NS_IRANGE_IID \
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{ 0x09dec26b, 0x1ab7, 0x4ff0, \
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{ 0xa1, 0x67, 0x7f, 0x22, 0x9c, 0xaa, 0xc3, 0x04 } }
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class nsIDOMFontFaceList;
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class nsIRange : public nsIDOMRange {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IRANGE_IID)
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nsIRange()
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: mRoot(nsnull),
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mStartOffset(0),
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mEndOffset(0),
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mIsPositioned(false),
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mIsDetached(false),
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mMaySpanAnonymousSubtrees(false)
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{
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}
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nsINode* GetRoot() const
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{
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return mRoot;
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}
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nsINode* GetStartParent() const
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{
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return mStartParent;
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}
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nsINode* GetEndParent() const
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{
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return mEndParent;
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}
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PRInt32 StartOffset() const
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{
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return mStartOffset;
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}
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PRInt32 EndOffset() const
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{
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return mEndOffset;
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}
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bool IsPositioned() const
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{
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return mIsPositioned;
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}
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bool IsDetached() const
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{
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return mIsDetached;
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}
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bool Collapsed() const
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{
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return mIsPositioned && mStartParent == mEndParent &&
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mStartOffset == mEndOffset;
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}
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void SetMaySpanAnonymousSubtrees(bool aMaySpanAnonymousSubtrees)
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{
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mMaySpanAnonymousSubtrees = aMaySpanAnonymousSubtrees;
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}
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virtual nsINode* GetCommonAncestor() const = 0;
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virtual void Reset() = 0;
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// XXXbz we could make these non-virtual if a bunch of nsRange stuff
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// became nsIRange stuff... and if no one outside layout needs them.
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virtual nsresult SetStart(nsINode* aParent, PRInt32 aOffset) = 0;
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virtual nsresult SetEnd(nsINode* aParent, PRInt32 aOffset) = 0;
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virtual nsresult CloneRange(nsIRange** aNewRange) const = 0;
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// Work around hiding warnings
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NS_IMETHOD SetStart(nsIDOMNode* aParent, PRInt32 aOffset) = 0;
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NS_IMETHOD SetEnd(nsIDOMNode* aParent, PRInt32 aOffset) = 0;
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NS_IMETHOD CloneRange(nsIDOMRange** aNewRange) = 0;
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// To support the font inspector API
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NS_IMETHOD GetUsedFontFaces(nsIDOMFontFaceList** aResult) = 0;
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protected:
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nsCOMPtr<nsINode> mRoot;
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nsCOMPtr<nsINode> mStartParent;
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nsCOMPtr<nsINode> mEndParent;
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PRInt32 mStartOffset;
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PRInt32 mEndOffset;
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bool mIsPositioned;
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bool mIsDetached;
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bool mMaySpanAnonymousSubtrees;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIRange, NS_IRANGE_IID)
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#endif /* nsIRange_h___ */
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