2010-07-02 20:11:35 -07:00
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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) 2010
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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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#ifndef AccGroupInfo_h_
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#define AccGroupInfo_h_
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#include "nsAccessible.h"
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#include "nsAccUtils.h"
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/**
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* Calculate and store group information.
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*/
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class AccGroupInfo
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{
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public:
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2012-01-11 19:07:35 -08:00
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AccGroupInfo(nsAccessible* aItem, mozilla::a11y::role aRole);
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2010-07-16 07:15:03 -07:00
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~AccGroupInfo() { MOZ_COUNT_DTOR(AccGroupInfo); }
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2010-07-02 20:11:35 -07:00
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PRInt32 PosInSet() const { return mPosInSet; }
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PRUint32 SetSize() const { return mSetSize; }
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2011-07-22 06:40:37 -07:00
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nsAccessible* ConceptualParent() const { return mParent; }
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2010-07-02 20:11:35 -07:00
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/**
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* Create group info.
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*/
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static AccGroupInfo* CreateGroupInfo(nsAccessible* aAccessible)
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{
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mozilla::a11y::role role = aAccessible->Role();
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if (role != mozilla::a11y::roles::ROW &&
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role != mozilla::a11y::roles::GRID_CELL &&
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role != mozilla::a11y::roles::OUTLINEITEM &&
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role != mozilla::a11y::roles::OPTION &&
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role != mozilla::a11y::roles::LISTITEM &&
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role != mozilla::a11y::roles::MENUITEM &&
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2012-03-12 11:10:03 -07:00
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role != mozilla::a11y::roles::COMBOBOX_OPTION &&
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2012-03-23 18:09:10 -07:00
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role != mozilla::a11y::roles::RICH_OPTION &&
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role != mozilla::a11y::roles::CHECK_RICH_OPTION &&
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2012-03-12 11:10:03 -07:00
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role != mozilla::a11y::roles::PARENT_MENUITEM &&
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role != mozilla::a11y::roles::CHECK_MENU_ITEM &&
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role != mozilla::a11y::roles::RADIO_MENU_ITEM &&
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role != mozilla::a11y::roles::RADIOBUTTON &&
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role != mozilla::a11y::roles::PAGETAB)
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2010-07-02 20:11:35 -07:00
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return nsnull;
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AccGroupInfo* info = new AccGroupInfo(aAccessible, BaseRole(role));
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return info;
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}
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private:
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AccGroupInfo(const AccGroupInfo&);
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AccGroupInfo& operator =(const AccGroupInfo&);
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2012-01-11 19:07:35 -08:00
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static mozilla::a11y::role BaseRole(mozilla::a11y::role aRole)
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{
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if (aRole == mozilla::a11y::roles::CHECK_MENU_ITEM ||
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aRole == mozilla::a11y::roles::PARENT_MENUITEM ||
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aRole == mozilla::a11y::roles::RADIO_MENU_ITEM)
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return mozilla::a11y::roles::MENUITEM;
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2012-03-23 18:09:10 -07:00
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if (aRole == mozilla::a11y::roles::CHECK_RICH_OPTION)
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return mozilla::a11y::roles::RICH_OPTION;
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2010-07-02 20:11:35 -07:00
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return aRole;
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}
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2011-07-22 06:40:37 -07:00
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/**
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* Return true if the given parent role is conceptual parent of the given
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* role.
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*/
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2012-01-11 19:07:35 -08:00
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static bool IsConceptualParent(mozilla::a11y::role aRole,
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mozilla::a11y::role aParentRole);
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2011-07-22 06:40:37 -07:00
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2010-07-02 20:11:35 -07:00
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PRUint32 mPosInSet;
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PRUint32 mSetSize;
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nsAccessible* mParent;
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};
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#endif
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