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lightning-sunbird  0.9+nobinonly
nsHTMLFormControlAccessibleWrap.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: NPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public
00006  * License Version 1.1 (the "License"); you may not use this file
00007  * except in compliance with the License. You may obtain a copy of
00008  * the License at http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS
00011  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
00012  * implied. See the License for the specific language governing
00013  * rights and limitations under the License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is Sun Microsystems, Inc.
00018  * Portions created by Sun Microsystems are Copyright (C) 2002 Sun
00019  * Microsystems, Inc. All Rights Reserved.
00020  *
00021  * Original Author: Kyle Yuan (kyle.yuan@sun.com)
00022  *
00023  * Contributor(s):
00024  *
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either the GNU General Public License Version 2 or later (the "GPL"), or
00028  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00029  * in which case the provisions of the GPL or the LGPL are applicable instead
00030  * of those above. If you wish to allow use of your version of this file only
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00034  * and other provisions required by the GPL or the LGPL. If you do not delete
00035  * the provisions above, a recipient may use your version of this file under
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00037  *
00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #include "nsHTMLFormControlAccessibleWrap.h"
00041 #include "nsIDOMHTMLInputElement.h"
00042 #include "nsIFrame.h"
00043 
00044 NS_IMPL_ISUPPORTS_INHERITED2(nsHTMLTextFieldAccessibleWrap, nsHTMLTextFieldAccessible, nsIAccessibleText, nsIAccessibleEditableText)
00045 
00046 nsHTMLTextFieldAccessibleWrap::nsHTMLTextFieldAccessibleWrap(nsIDOMNode* aNode, nsIWeakReference* aShell):
00047 nsHTMLTextFieldAccessible(aNode, aShell), nsAccessibleEditableText(aNode)
00048 { 
00049   nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mWeakShell));
00050   if (shell) {
00051     nsIFrame *frame = GetFrame();
00052     if (frame) {
00053       nsITextControlFrame *textFrame;
00054       frame->QueryInterface(NS_GET_IID(nsITextControlFrame), (void**)&textFrame);
00055       if (textFrame) {
00056         nsCOMPtr<nsIEditor> editor;
00057         textFrame->GetEditor(getter_AddRefs(editor));
00058         SetEditor(editor);
00059       }
00060     }
00061   }
00062 }
00063 NS_IMETHODIMP nsHTMLTextFieldAccessibleWrap::GetRole(PRUint32 *_retval)
00064 {
00065   PRUint32 state = 0;
00066 
00067   nsresult rv = GetState(&state);
00068   if (NS_SUCCEEDED(rv) && (state & STATE_PROTECTED))
00069     *_retval = ROLE_PASSWORD_TEXT;
00070   else
00071     *_retval = ROLE_TEXT;
00072 
00073   return NS_OK;
00074 }
00075 
00076 
00077 NS_IMETHODIMP nsHTMLTextFieldAccessibleWrap::GetExtState(PRUint32 *aState)
00078 {
00079   nsresult rv;
00080   nsAccessibleWrap::GetExtState(aState);
00081 
00082   nsCOMPtr<nsIDOMHTMLInputElement> htmlFormElement(do_QueryInterface(mDOMNode, &rv));
00083   if (NS_SUCCEEDED(rv) && htmlFormElement) {
00084     nsAutoString typeString;
00085     htmlFormElement->GetType(typeString);
00086     if (typeString.LowerCaseEqualsLiteral("text"))
00087       *aState |= EXT_STATE_SINGLE_LINE;
00088   }
00089 
00090   PRUint32 state;
00091   nsHTMLTextFieldAccessible::GetState(&state);
00092   if (!(state & STATE_READONLY))
00093     *aState |= EXT_STATE_EDITABLE;
00094   return NS_OK;
00095 }
00096 
00097 NS_IMETHODIMP nsHTMLTextFieldAccessibleWrap::Shutdown()
00098 {
00099   nsAccessibleEditableText::ShutdownEditor();
00100   return nsHTMLTextFieldAccessible::Shutdown();
00101 }