138 lines
5.5 KiB
C++
138 lines
5.5 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: NPL 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
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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/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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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.org code.
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*
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* The Initial Developer of the Original Code is Sun Microsystems, Inc.
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* Portions created by Sun Microsystems are Copyright (C) 2002 Sun
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* Microsystems, Inc. All Rights Reserved.
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*
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* Original Author: Kyle Yuan (kyle.yuan@sun.com)
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*
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* Contributor(s):
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*
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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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef _nsAccessibleText_H_
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#define _nsAccessibleText_H_
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#include "nsAccessibleEventData.h"
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#include "nsBaseWidgetAccessible.h"
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#include "nsIAccessibleEditableText.h"
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#include "nsIAccessibleText.h"
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#include "nsIEditActionListener.h"
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#include "nsIEditor.h"
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#include "nsISelectionController.h"
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#include "nsITextControlFrame.h"
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#include "nsTextAccessibleWrap.h"
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#include "nsTextAccessible.h"
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enum EGetTextType { eGetBefore=-1, eGetAt=0, eGetAfter=1 };
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class nsAccessibleText : public nsIAccessibleText
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIACCESSIBLETEXT
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nsAccessibleText(nsIDOMNode *aNode);
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virtual ~nsAccessibleText() {};
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static PRBool gSuppressedNotifySelectionChanged;
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protected:
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nsCOMPtr<nsIDOMNode> mTextNode;
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virtual nsresult GetSelections(nsISelectionController **aSelCon, nsISelection **aDomSel);
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nsresult GetTextHelperCore(EGetTextType aType, nsAccessibleTextBoundary aBoundaryType,
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PRInt32 aOffset, PRInt32 *aStartOffset, PRInt32 *aEndOffset,
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nsISelectionController *aSelCon, nsISelection *aDomSel,
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nsISupports *aClosure, nsAString & aText);
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nsresult GetTextHelper(EGetTextType aType, nsAccessibleTextBoundary aBoundaryType,
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PRInt32 aOffset, PRInt32 *aStartOffset, PRInt32 *aEndOffset,
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nsISupports *aClosure, nsAString & aText);
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static nsresult DOMPointToOffset(nsISupports *aClosure, nsIDOMNode* aNode, PRInt32 aNodeOffset, PRInt32 *aResult);
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static nsresult OffsetToDOMPoint(nsISupports *aClosure, PRInt32 aOffset, nsIDOMNode** aResult, PRInt32* aPosition);
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static nsresult GetCurrentOffset(nsISupports *aClosure, nsISelection *aDomSel, PRInt32 *aOffset);
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friend class nsAccessibleHyperText;
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};
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class nsAccessibleEditableText : public nsAccessibleText,
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public nsIAccessibleEditableText,
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public nsIEditActionListener
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIACCESSIBLEEDITABLETEXT
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NS_DECL_NSIEDITACTIONLISTENER
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nsAccessibleEditableText(nsIDOMNode *aNode);
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virtual ~nsAccessibleEditableText() {};
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NS_IMETHOD GetCaretOffset(PRInt32 *aCaretOffset);
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NS_IMETHOD SetCaretOffset(PRInt32 aCaretOffset);
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NS_IMETHOD GetCharacterCount(PRInt32 *aCharacterCount);
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NS_IMETHOD GetText(PRInt32 startOffset, PRInt32 endOffset, nsAString & aText);
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NS_IMETHOD GetTextBeforeOffset(PRInt32 aOffset, nsAccessibleTextBoundary aBoundaryType,
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PRInt32 *aStartOffset, PRInt32 *aEndOffset, nsAString & aText);
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NS_IMETHOD GetTextAtOffset(PRInt32 aOffset, nsAccessibleTextBoundary aBoundaryType,
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PRInt32 *aStartOffset, PRInt32 *aEndOffset, nsAString & aText);
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NS_IMETHOD GetTextAfterOffset(PRInt32 aOffset, nsAccessibleTextBoundary aBoundaryType,
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PRInt32 *aStartOffset, PRInt32 *aEndOffset, nsAString & aText);
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void ShutdownEditor();
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static PRBool IsSingleLineTextControl(nsIDOMNode *aDomNode);
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protected:
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virtual nsresult GetSelections(nsISelectionController **aSelCon, nsISelection **aDomSel);
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void SetEditor(nsIEditor *aEditor);
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nsITextControlFrame* GetTextFrame();
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nsresult GetSelectionRange(PRInt32 *aStartPos, PRInt32 *aEndPos);
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nsresult SetSelectionRange(PRInt32 aStartPos, PRInt32 aEndPos);
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nsresult FireTextChangeEvent(AtkTextChange *aTextData);
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// To solve the naming conflict with nsDocAccessible::mEditor, we have to name it
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// "mPlainEditor", though it's not necessary to be a "plaintext" editor.
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nsCOMPtr<nsIEditor> mPlainEditor;
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};
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class nsTextAccessibleWrap : public nsTextAccessible,
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public nsAccessibleText
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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nsTextAccessibleWrap(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
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};
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#endif
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