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IEHtmlSelectionObject.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
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00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Alexandre Trémon <atremon@elansoftware.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
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00038 #ifndef IEHTMLSELECTIONOBJECT_H
00039 #define IEHTMLSELECTIONOBJECT_H
00040 
00041 #include "nsISelection.h"
00042 #include "nsIDOMDocumentRange.h"
00043 
00044 class CIEHtmlSelectionObject :
00045     public IDispatchImpl<IHTMLSelectionObject, &IID_IHTMLSelectionObject, &LIBID_MSHTML>,
00046     public CComObjectRootEx<CComMultiThreadModel>
00047 {
00048 public:
00049     CIEHtmlSelectionObject();
00050 
00051 protected:
00052     virtual ~CIEHtmlSelectionObject();
00053 
00054 public:
00055     void SetSelection(nsISelection *pSelection);
00056     void SetDOMDocumentRange(nsIDOMDocumentRange *pDOMDocumentRange);
00057 
00058 BEGIN_COM_MAP(CIEHtmlSelectionObject)
00059     COM_INTERFACE_ENTRY_IID(IID_IDispatch, IHTMLSelectionObject)
00060     COM_INTERFACE_ENTRY(IHTMLSelectionObject)
00061 END_COM_MAP()
00062 
00063 
00064     // Implementation of IHTMLSelectionObject
00065     virtual HRESULT STDMETHODCALLTYPE createRange(IDispatch __RPC_FAR *__RPC_FAR *range);
00066     virtual HRESULT STDMETHODCALLTYPE empty();
00067     virtual HRESULT STDMETHODCALLTYPE clear();
00068     virtual HRESULT STDMETHODCALLTYPE get_type(BSTR __RPC_FAR *p);
00069 
00070 protected:
00071     nsCOMPtr<nsISelection> mSelection;
00072     // IE does not return null range when selection is empty 
00073     // so this reference allows for creating an empty range :
00074     nsCOMPtr<nsIDOMDocumentRange> mDOMDocumentRange;
00075 };
00076 
00077 #define CIEHTMLSELECTIONOBJECT_INTERFACES \
00078     COM_INTERFACE_ENTRY_IID(IID_IDispatch, IHTMLSelectionObject \
00079     COM_INTERFACE_ENTRY_IID(IID_IHTMLSelectionObject, IHTMLSelectionObject)
00080 
00081 typedef CComObject<CIEHtmlSelectionObject> CIEHtmlSelectionObjectInstance;
00082 
00083 #endif //IEHTMLSELECTIONOBJECT_H