113 lines
3.9 KiB
C++
Executable File
113 lines
3.9 KiB
C++
Executable File
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=2:tabstop=2:
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*/
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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
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alexander Surkov <surkov.alexander@gmail.com> (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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#include "nsHyperTextAccessibleWrap.h"
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NS_IMPL_ISUPPORTS_INHERITED0(nsHyperTextAccessibleWrap,
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nsHyperTextAccessible)
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IMPL_IUNKNOWN_INHERITED2(nsHyperTextAccessibleWrap,
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nsAccessibleWrap,
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CAccessibleHypertext,
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CAccessibleEditableText);
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NS_IMETHODIMP
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nsHyperTextAccessibleWrap::FireAccessibleEvent(nsIAccessibleEvent *aEvent)
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{
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PRUint32 eventType;
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aEvent->GetEventType(&eventType);
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if (eventType == nsIAccessibleEvent::EVENT_TEXT_REMOVED ||
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eventType == nsIAccessibleEvent::EVENT_TEXT_INSERTED) {
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nsCOMPtr<nsIAccessible> accessible;
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aEvent->GetAccessible(getter_AddRefs(accessible));
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if (accessible) {
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nsCOMPtr<nsIWinAccessNode> winAccessNode(do_QueryInterface(accessible));
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if (winAccessNode) {
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void *instancePtr = NULL;
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nsresult rv = winAccessNode->QueryNativeInterface(IID_IAccessibleText,
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&instancePtr);
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if (NS_SUCCEEDED(rv)) {
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NS_IF_RELEASE(gTextEvent);
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CallQueryInterface(aEvent, &gTextEvent);
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(static_cast<IUnknown*>(instancePtr))->Release();
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}
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}
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}
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}
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return nsHyperTextAccessible::FireAccessibleEvent(aEvent);
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}
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nsresult
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nsHyperTextAccessibleWrap::GetModifiedText(PRBool aGetInsertedText,
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nsAString& aText,
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PRUint32 *aStartOffset,
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PRUint32 *aEndOffset)
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{
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aText.Truncate();
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*aStartOffset = 0;
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*aEndOffset = 0;
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if (!gTextEvent)
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return NS_OK;
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PRBool isInserted;
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gTextEvent->IsInserted(&isInserted);
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if (aGetInsertedText != isInserted)
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return NS_OK;
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nsCOMPtr<nsIAccessible> targetAcc;
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gTextEvent->GetAccessible(getter_AddRefs(targetAcc));
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if (targetAcc != this)
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return NS_OK;
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PRInt32 offset;
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PRUint32 length;
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gTextEvent->GetStart(&offset);
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gTextEvent->GetLength(&length);
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*aStartOffset = offset;
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*aEndOffset = offset + length;
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return gTextEvent->GetModifiedText(aText);
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}
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