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accessible/src/base/ARIAMap.cpp@97036ab72558 (annotated)

accessible/src/base/ARIAMap.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 06 Jan 2015 21:39:09 +0100

branch

TOR_BUG_9701

changeset 8

97036ab72558

permissions

-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* vim:expandtab:shiftwidth=2:tabstop=2:
michael@0	3	*/
michael@0	4	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	5	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	6	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	7
michael@0	8	#include "ARIAMap.h"
michael@0	9
michael@0	10	#include "nsAccUtils.h"
michael@0	11	#include "nsCoreUtils.h"
michael@0	12	#include "Role.h"
michael@0	13	#include "States.h"
michael@0	14
michael@0	15	#include "nsAttrName.h"
michael@0	16	#include "nsWhitespaceTokenizer.h"
michael@0	17
michael@0	18	using namespace mozilla;
michael@0	19	using namespace mozilla::a11y;
michael@0	20	using namespace mozilla::a11y::aria;
michael@0	21
michael@0	22	static const uint32_t kGenericAccType = 0;
michael@0	23
michael@0	24	/**
michael@0	25	* This list of WAI-defined roles are currently hardcoded.
michael@0	26	* Eventually we will most likely be loading an RDF resource that contains this information
michael@0	27	* Using RDF will also allow for role extensibility. See bug 280138.
michael@0	28	*
michael@0	29	* Definition of nsRoleMapEntry contains comments explaining this table.
michael@0	30	*
michael@0	31	* When no nsIAccessibleRole enum mapping exists for an ARIA role, the
michael@0	32	* role will be exposed via the object attribute "xml-roles".
michael@0	33	* In addition, in MSAA, the unmapped role will also be exposed as a BSTR string role.
michael@0	34	*
michael@0	35	* There are no nsIAccessibleRole enums for the following landmark roles:
michael@0	36	* banner, contentinfo, main, navigation, note, search, secondary, seealso, breadcrumbs
michael@0	37	*/
michael@0	38
michael@0	39	static nsRoleMapEntry sWAIRoleMaps[] =
michael@0	40	{
michael@0	41	{ // alert
michael@0	42	&nsGkAtoms::alert,
michael@0	43	roles::ALERT,
michael@0	44	kUseMapRole,
michael@0	45	eNoValue,
michael@0	46	eNoAction,
michael@0	47	eNoLiveAttr,
michael@0	48	kGenericAccType,
michael@0	49	kNoReqStates
michael@0	50	},
michael@0	51	{ // alertdialog
michael@0	52	&nsGkAtoms::alertdialog,
michael@0	53	roles::DIALOG,
michael@0	54	kUseMapRole,
michael@0	55	eNoValue,
michael@0	56	eNoAction,
michael@0	57	eNoLiveAttr,
michael@0	58	kGenericAccType,
michael@0	59	kNoReqStates
michael@0	60	},
michael@0	61	{ // application
michael@0	62	&nsGkAtoms::application,
michael@0	63	roles::APPLICATION,
michael@0	64	kUseMapRole,
michael@0	65	eNoValue,
michael@0	66	eNoAction,
michael@0	67	eNoLiveAttr,
michael@0	68	kGenericAccType,
michael@0	69	kNoReqStates
michael@0	70	},
michael@0	71	{ // article
michael@0	72	&nsGkAtoms::article,
michael@0	73	roles::DOCUMENT,
michael@0	74	kUseMapRole,
michael@0	75	eNoValue,
michael@0	76	eNoAction,
michael@0	77	eNoLiveAttr,
michael@0	78	kGenericAccType,
michael@0	79	kNoReqStates,
michael@0	80	eReadonlyUntilEditable
michael@0	81	},
michael@0	82	{ // button
michael@0	83	&nsGkAtoms::button,
michael@0	84	roles::PUSHBUTTON,
michael@0	85	kUseMapRole,
michael@0	86	eNoValue,
michael@0	87	ePressAction,
michael@0	88	eNoLiveAttr,
michael@0	89	eButton,
michael@0	90	kNoReqStates
michael@0	91	// eARIAPressed is auto applied on any button
michael@0	92	},
michael@0	93	{ // checkbox
michael@0	94	&nsGkAtoms::checkbox,
michael@0	95	roles::CHECKBUTTON,
michael@0	96	kUseMapRole,
michael@0	97	eNoValue,
michael@0	98	eCheckUncheckAction,
michael@0	99	eNoLiveAttr,
michael@0	100	kGenericAccType,
michael@0	101	kNoReqStates,
michael@0	102	eARIACheckableMixed,
michael@0	103	eARIAReadonly
michael@0	104	},
michael@0	105	{ // columnheader
michael@0	106	&nsGkAtoms::columnheader,
michael@0	107	roles::COLUMNHEADER,
michael@0	108	kUseMapRole,
michael@0	109	eNoValue,
michael@0	110	eSortAction,
michael@0	111	eNoLiveAttr,
michael@0	112	eTableCell,
michael@0	113	kNoReqStates,
michael@0	114	eARIASelectableIfDefined,
michael@0	115	eARIAReadonlyOrEditableIfDefined
michael@0	116	},
michael@0	117	{ // combobox
michael@0	118	&nsGkAtoms::combobox,
michael@0	119	roles::COMBOBOX,
michael@0	120	kUseMapRole,
michael@0	121	eNoValue,
michael@0	122	eOpenCloseAction,
michael@0	123	eNoLiveAttr,
michael@0	124	kGenericAccType,
michael@0	125	states::COLLAPSED | states::HASPOPUP,
michael@0	126	eARIAAutoComplete,
michael@0	127	eARIAReadonly
michael@0	128	},
michael@0	129	{ // dialog
michael@0	130	&nsGkAtoms::dialog,
michael@0	131	roles::DIALOG,
michael@0	132	kUseMapRole,
michael@0	133	eNoValue,
michael@0	134	eNoAction,
michael@0	135	eNoLiveAttr,
michael@0	136	kGenericAccType,
michael@0	137	kNoReqStates
michael@0	138	},
michael@0	139	{ // directory
michael@0	140	&nsGkAtoms::directory,
michael@0	141	roles::LIST,
michael@0	142	kUseMapRole,
michael@0	143	eNoValue,
michael@0	144	eNoAction,
michael@0	145	eNoLiveAttr,
michael@0	146	eList,
michael@0	147	kNoReqStates
michael@0	148	},
michael@0	149	{ // document
michael@0	150	&nsGkAtoms::document,
michael@0	151	roles::DOCUMENT,
michael@0	152	kUseMapRole,
michael@0	153	eNoValue,
michael@0	154	eNoAction,
michael@0	155	eNoLiveAttr,
michael@0	156	kGenericAccType,
michael@0	157	kNoReqStates,
michael@0	158	eReadonlyUntilEditable
michael@0	159	},
michael@0	160	{ // form
michael@0	161	&nsGkAtoms::form,
michael@0	162	roles::FORM,
michael@0	163	kUseMapRole,
michael@0	164	eNoValue,
michael@0	165	eNoAction,
michael@0	166	eNoLiveAttr,
michael@0	167	kGenericAccType,
michael@0	168	kNoReqStates
michael@0	169	},
michael@0	170	{ // grid
michael@0	171	&nsGkAtoms::grid,
michael@0	172	roles::TABLE,
michael@0	173	kUseMapRole,
michael@0	174	eNoValue,
michael@0	175	eNoAction,
michael@0	176	eNoLiveAttr,
michael@0	177	eSelect | eTable,
michael@0	178	kNoReqStates,
michael@0	179	eARIAMultiSelectable,
michael@0	180	eARIAReadonlyOrEditable,
michael@0	181	eFocusableUntilDisabled
michael@0	182	},
michael@0	183	{ // gridcell
michael@0	184	&nsGkAtoms::gridcell,
michael@0	185	roles::GRID_CELL,
michael@0	186	kUseMapRole,
michael@0	187	eNoValue,
michael@0	188	eNoAction,
michael@0	189	eNoLiveAttr,
michael@0	190	eTableCell,
michael@0	191	kNoReqStates,
michael@0	192	eARIASelectable,
michael@0	193	eARIAReadonlyOrEditableIfDefined
michael@0	194	},
michael@0	195	{ // group
michael@0	196	&nsGkAtoms::group,
michael@0	197	roles::GROUPING,
michael@0	198	kUseMapRole,
michael@0	199	eNoValue,
michael@0	200	eNoAction,
michael@0	201	eNoLiveAttr,
michael@0	202	kGenericAccType,
michael@0	203	kNoReqStates
michael@0	204	},
michael@0	205	{ // heading
michael@0	206	&nsGkAtoms::heading,
michael@0	207	roles::HEADING,
michael@0	208	kUseMapRole,
michael@0	209	eNoValue,
michael@0	210	eNoAction,
michael@0	211	eNoLiveAttr,
michael@0	212	kGenericAccType,
michael@0	213	kNoReqStates
michael@0	214	},
michael@0	215	{ // img
michael@0	216	&nsGkAtoms::img,
michael@0	217	roles::GRAPHIC,
michael@0	218	kUseMapRole,
michael@0	219	eNoValue,
michael@0	220	eNoAction,
michael@0	221	eNoLiveAttr,
michael@0	222	kGenericAccType,
michael@0	223	kNoReqStates
michael@0	224	},
michael@0	225	{ // key
michael@0	226	&nsGkAtoms::key,
michael@0	227	roles::KEY,
michael@0	228	kUseMapRole,
michael@0	229	eNoValue,
michael@0	230	ePressAction,
michael@0	231	eNoLiveAttr,
michael@0	232	kGenericAccType,
michael@0	233	kNoReqStates,
michael@0	234	eARIAPressed
michael@0	235	},
michael@0	236	{ // link
michael@0	237	&nsGkAtoms::link,
michael@0	238	roles::LINK,
michael@0	239	kUseMapRole,
michael@0	240	eNoValue,
michael@0	241	eJumpAction,
michael@0	242	eNoLiveAttr,
michael@0	243	kGenericAccType,
michael@0	244	states::LINKED
michael@0	245	},
michael@0	246	{ // list
michael@0	247	&nsGkAtoms::list,
michael@0	248	roles::LIST,
michael@0	249	kUseMapRole,
michael@0	250	eNoValue,
michael@0	251	eNoAction,
michael@0	252	eNoLiveAttr,
michael@0	253	eList,
michael@0	254	states::READONLY
michael@0	255	},
michael@0	256	{ // listbox
michael@0	257	&nsGkAtoms::listbox,
michael@0	258	roles::LISTBOX,
michael@0	259	kUseMapRole,
michael@0	260	eNoValue,
michael@0	261	eNoAction,
michael@0	262	eNoLiveAttr,
michael@0	263	eListControl | eSelect,
michael@0	264	kNoReqStates,
michael@0	265	eARIAMultiSelectable,
michael@0	266	eARIAReadonly,
michael@0	267	eFocusableUntilDisabled
michael@0	268	},
michael@0	269	{ // listitem
michael@0	270	&nsGkAtoms::listitem,
michael@0	271	roles::LISTITEM,
michael@0	272	kUseMapRole,
michael@0	273	eNoValue,
michael@0	274	eNoAction, // XXX: should depend on state, parent accessible
michael@0	275	eNoLiveAttr,
michael@0	276	kGenericAccType,
michael@0	277	states::READONLY
michael@0	278	},
michael@0	279	{ // log
michael@0	280	&nsGkAtoms::log_,
michael@0	281	roles::NOTHING,
michael@0	282	kUseNativeRole,
michael@0	283	eNoValue,
michael@0	284	eNoAction,
michael@0	285	ePoliteLiveAttr,
michael@0	286	kGenericAccType,
michael@0	287	kNoReqStates
michael@0	288	},
michael@0	289	{ // marquee
michael@0	290	&nsGkAtoms::marquee,
michael@0	291	roles::ANIMATION,
michael@0	292	kUseMapRole,
michael@0	293	eNoValue,
michael@0	294	eNoAction,
michael@0	295	eOffLiveAttr,
michael@0	296	kGenericAccType,
michael@0	297	kNoReqStates
michael@0	298	},
michael@0	299	{ // math
michael@0	300	&nsGkAtoms::math,
michael@0	301	roles::FLAT_EQUATION,
michael@0	302	kUseMapRole,
michael@0	303	eNoValue,
michael@0	304	eNoAction,
michael@0	305	eNoLiveAttr,
michael@0	306	kGenericAccType,
michael@0	307	kNoReqStates
michael@0	308	},
michael@0	309	{ // menu
michael@0	310	&nsGkAtoms::menu,
michael@0	311	roles::MENUPOPUP,
michael@0	312	kUseMapRole,
michael@0	313	eNoValue,
michael@0	314	eNoAction, // XXX: technically accessibles of menupopup role haven't
michael@0	315	// any action, but menu can be open or close.
michael@0	316	eNoLiveAttr,
michael@0	317	kGenericAccType,
michael@0	318	kNoReqStates
michael@0	319	},
michael@0	320	{ // menubar
michael@0	321	&nsGkAtoms::menubar,
michael@0	322	roles::MENUBAR,
michael@0	323	kUseMapRole,
michael@0	324	eNoValue,
michael@0	325	eNoAction,
michael@0	326	eNoLiveAttr,
michael@0	327	kGenericAccType,
michael@0	328	kNoReqStates
michael@0	329	},
michael@0	330	{ // menuitem
michael@0	331	&nsGkAtoms::menuitem,
michael@0	332	roles::MENUITEM,
michael@0	333	kUseMapRole,
michael@0	334	eNoValue,
michael@0	335	eClickAction,
michael@0	336	eNoLiveAttr,
michael@0	337	kGenericAccType,
michael@0	338	kNoReqStates,
michael@0	339	eARIACheckedMixed
michael@0	340	},
michael@0	341	{ // menuitemcheckbox
michael@0	342	&nsGkAtoms::menuitemcheckbox,
michael@0	343	roles::CHECK_MENU_ITEM,
michael@0	344	kUseMapRole,
michael@0	345	eNoValue,
michael@0	346	eClickAction,
michael@0	347	eNoLiveAttr,
michael@0	348	kGenericAccType,
michael@0	349	kNoReqStates,
michael@0	350	eARIACheckableMixed
michael@0	351	},
michael@0	352	{ // menuitemradio
michael@0	353	&nsGkAtoms::menuitemradio,
michael@0	354	roles::RADIO_MENU_ITEM,
michael@0	355	kUseMapRole,
michael@0	356	eNoValue,
michael@0	357	eClickAction,
michael@0	358	eNoLiveAttr,
michael@0	359	kGenericAccType,
michael@0	360	kNoReqStates,
michael@0	361	eARIACheckableBool
michael@0	362	},
michael@0	363	{ // note
michael@0	364	&nsGkAtoms::note_,
michael@0	365	roles::NOTE,
michael@0	366	kUseMapRole,
michael@0	367	eNoValue,
michael@0	368	eNoAction,
michael@0	369	eNoLiveAttr,
michael@0	370	kGenericAccType,
michael@0	371	kNoReqStates
michael@0	372	},
michael@0	373	{ // option
michael@0	374	&nsGkAtoms::option,
michael@0	375	roles::OPTION,
michael@0	376	kUseMapRole,
michael@0	377	eNoValue,
michael@0	378	eSelectAction,
michael@0	379	eNoLiveAttr,
michael@0	380	kGenericAccType,
michael@0	381	kNoReqStates,
michael@0	382	eARIASelectable,
michael@0	383	eARIACheckedMixed
michael@0	384	},
michael@0	385	{ // presentation
michael@0	386	&nsGkAtoms::presentation,
michael@0	387	roles::NOTHING,
michael@0	388	kUseMapRole,
michael@0	389	eNoValue,
michael@0	390	eNoAction,
michael@0	391	eNoLiveAttr,
michael@0	392	kGenericAccType,
michael@0	393	kNoReqStates
michael@0	394	},
michael@0	395	{ // progressbar
michael@0	396	&nsGkAtoms::progressbar,
michael@0	397	roles::PROGRESSBAR,
michael@0	398	kUseMapRole,
michael@0	399	eHasValueMinMax,
michael@0	400	eNoAction,
michael@0	401	eNoLiveAttr,
michael@0	402	kGenericAccType,
michael@0	403	states::READONLY,
michael@0	404	eIndeterminateIfNoValue
michael@0	405	},
michael@0	406	{ // radio
michael@0	407	&nsGkAtoms::radio,
michael@0	408	roles::RADIOBUTTON,
michael@0	409	kUseMapRole,
michael@0	410	eNoValue,
michael@0	411	eSelectAction,
michael@0	412	eNoLiveAttr,
michael@0	413	kGenericAccType,
michael@0	414	kNoReqStates,
michael@0	415	eARIACheckableBool
michael@0	416	},
michael@0	417	{ // radiogroup
michael@0	418	&nsGkAtoms::radiogroup,
michael@0	419	roles::GROUPING,
michael@0	420	kUseMapRole,
michael@0	421	eNoValue,
michael@0	422	eNoAction,
michael@0	423	eNoLiveAttr,
michael@0	424	kGenericAccType,
michael@0	425	kNoReqStates
michael@0	426	},
michael@0	427	{ // region
michael@0	428	&nsGkAtoms::region,
michael@0	429	roles::PANE,
michael@0	430	kUseMapRole,
michael@0	431	eNoValue,
michael@0	432	eNoAction,
michael@0	433	eNoLiveAttr,
michael@0	434	kGenericAccType,
michael@0	435	kNoReqStates
michael@0	436	},
michael@0	437	{ // row
michael@0	438	&nsGkAtoms::row,
michael@0	439	roles::ROW,
michael@0	440	kUseMapRole,
michael@0	441	eNoValue,
michael@0	442	eNoAction,
michael@0	443	eNoLiveAttr,
michael@0	444	eTableRow,
michael@0	445	kNoReqStates,
michael@0	446	eARIASelectable
michael@0	447	},
michael@0	448	{ // rowgroup
michael@0	449	&nsGkAtoms::rowgroup,
michael@0	450	roles::GROUPING,
michael@0	451	kUseMapRole,
michael@0	452	eNoValue,
michael@0	453	eNoAction,
michael@0	454	eNoLiveAttr,
michael@0	455	kGenericAccType,
michael@0	456	kNoReqStates
michael@0	457	},
michael@0	458	{ // rowheader
michael@0	459	&nsGkAtoms::rowheader,
michael@0	460	roles::ROWHEADER,
michael@0	461	kUseMapRole,
michael@0	462	eNoValue,
michael@0	463	eSortAction,
michael@0	464	eNoLiveAttr,
michael@0	465	eTableCell,
michael@0	466	kNoReqStates,
michael@0	467	eARIASelectableIfDefined,
michael@0	468	eARIAReadonlyOrEditableIfDefined
michael@0	469	},
michael@0	470	{ // scrollbar
michael@0	471	&nsGkAtoms::scrollbar,
michael@0	472	roles::SCROLLBAR,
michael@0	473	kUseMapRole,
michael@0	474	eHasValueMinMax,
michael@0	475	eNoAction,
michael@0	476	eNoLiveAttr,
michael@0	477	kGenericAccType,
michael@0	478	kNoReqStates,
michael@0	479	eARIAOrientation,
michael@0	480	eARIAReadonly
michael@0	481	},
michael@0	482	{ // separator
michael@0	483	&nsGkAtoms::separator_,
michael@0	484	roles::SEPARATOR,
michael@0	485	kUseMapRole,
michael@0	486	eNoValue,
michael@0	487	eNoAction,
michael@0	488	eNoLiveAttr,
michael@0	489	kGenericAccType,
michael@0	490	kNoReqStates,
michael@0	491	eARIAOrientation
michael@0	492	},
michael@0	493	{ // slider
michael@0	494	&nsGkAtoms::slider,
michael@0	495	roles::SLIDER,
michael@0	496	kUseMapRole,
michael@0	497	eHasValueMinMax,
michael@0	498	eNoAction,
michael@0	499	eNoLiveAttr,
michael@0	500	kGenericAccType,
michael@0	501	kNoReqStates,
michael@0	502	eARIAOrientation,
michael@0	503	eARIAReadonly
michael@0	504	},
michael@0	505	{ // spinbutton
michael@0	506	&nsGkAtoms::spinbutton,
michael@0	507	roles::SPINBUTTON,
michael@0	508	kUseMapRole,
michael@0	509	eHasValueMinMax,
michael@0	510	eNoAction,
michael@0	511	eNoLiveAttr,
michael@0	512	kGenericAccType,
michael@0	513	kNoReqStates,
michael@0	514	eARIAReadonly
michael@0	515	},
michael@0	516	{ // status
michael@0	517	&nsGkAtoms::status,
michael@0	518	roles::STATUSBAR,
michael@0	519	kUseMapRole,
michael@0	520	eNoValue,
michael@0	521	eNoAction,
michael@0	522	ePoliteLiveAttr,
michael@0	523	kGenericAccType,
michael@0	524	kNoReqStates
michael@0	525	},
michael@0	526	{ // tab
michael@0	527	&nsGkAtoms::tab,
michael@0	528	roles::PAGETAB,
michael@0	529	kUseMapRole,
michael@0	530	eNoValue,
michael@0	531	eSwitchAction,
michael@0	532	eNoLiveAttr,
michael@0	533	kGenericAccType,
michael@0	534	kNoReqStates,
michael@0	535	eARIASelectable
michael@0	536	},
michael@0	537	{ // tablist
michael@0	538	&nsGkAtoms::tablist,
michael@0	539	roles::PAGETABLIST,
michael@0	540	kUseMapRole,
michael@0	541	eNoValue,
michael@0	542	eNoAction,
michael@0	543	eNoLiveAttr,
michael@0	544	eSelect,
michael@0	545	kNoReqStates
michael@0	546	},
michael@0	547	{ // tabpanel
michael@0	548	&nsGkAtoms::tabpanel,
michael@0	549	roles::PROPERTYPAGE,
michael@0	550	kUseMapRole,
michael@0	551	eNoValue,
michael@0	552	eNoAction,
michael@0	553	eNoLiveAttr,
michael@0	554	kGenericAccType,
michael@0	555	kNoReqStates
michael@0	556	},
michael@0	557	{ // textbox
michael@0	558	&nsGkAtoms::textbox,
michael@0	559	roles::ENTRY,
michael@0	560	kUseMapRole,
michael@0	561	eNoValue,
michael@0	562	eActivateAction,
michael@0	563	eNoLiveAttr,
michael@0	564	kGenericAccType,
michael@0	565	kNoReqStates,
michael@0	566	eARIAAutoComplete,
michael@0	567	eARIAMultiline,
michael@0	568	eARIAReadonlyOrEditable
michael@0	569	},
michael@0	570	{ // timer
michael@0	571	&nsGkAtoms::timer,
michael@0	572	roles::NOTHING,
michael@0	573	kUseNativeRole,
michael@0	574	eNoValue,
michael@0	575	eNoAction,
michael@0	576	eOffLiveAttr,
michael@0	577	kNoReqStates
michael@0	578	},
michael@0	579	{ // toolbar
michael@0	580	&nsGkAtoms::toolbar,
michael@0	581	roles::TOOLBAR,
michael@0	582	kUseMapRole,
michael@0	583	eNoValue,
michael@0	584	eNoAction,
michael@0	585	eNoLiveAttr,
michael@0	586	kGenericAccType,
michael@0	587	kNoReqStates
michael@0	588	},
michael@0	589	{ // tooltip
michael@0	590	&nsGkAtoms::tooltip,
michael@0	591	roles::TOOLTIP,
michael@0	592	kUseMapRole,
michael@0	593	eNoValue,
michael@0	594	eNoAction,
michael@0	595	eNoLiveAttr,
michael@0	596	kGenericAccType,
michael@0	597	kNoReqStates
michael@0	598	},
michael@0	599	{ // tree
michael@0	600	&nsGkAtoms::tree,
michael@0	601	roles::OUTLINE,
michael@0	602	kUseMapRole,
michael@0	603	eNoValue,
michael@0	604	eNoAction,
michael@0	605	eNoLiveAttr,
michael@0	606	eSelect,
michael@0	607	kNoReqStates,
michael@0	608	eARIAReadonly,
michael@0	609	eARIAMultiSelectable,
michael@0	610	eFocusableUntilDisabled
michael@0	611	},
michael@0	612	{ // treegrid
michael@0	613	&nsGkAtoms::treegrid,
michael@0	614	roles::TREE_TABLE,
michael@0	615	kUseMapRole,
michael@0	616	eNoValue,
michael@0	617	eNoAction,
michael@0	618	eNoLiveAttr,
michael@0	619	eSelect | eTable,
michael@0	620	kNoReqStates,
michael@0	621	eARIAReadonlyOrEditable,
michael@0	622	eARIAMultiSelectable,
michael@0	623	eFocusableUntilDisabled
michael@0	624	},
michael@0	625	{ // treeitem
michael@0	626	&nsGkAtoms::treeitem,
michael@0	627	roles::OUTLINEITEM,
michael@0	628	kUseMapRole,
michael@0	629	eNoValue,
michael@0	630	eActivateAction, // XXX: should expose second 'expand/collapse' action based
michael@0	631	// on states
michael@0	632	eNoLiveAttr,
michael@0	633	kGenericAccType,
michael@0	634	kNoReqStates,
michael@0	635	eARIASelectable,
michael@0	636	eARIACheckedMixed
michael@0	637	}
michael@0	638	};
michael@0	639
michael@0	640	static nsRoleMapEntry sLandmarkRoleMap = {
michael@0	641	&nsGkAtoms::_empty,
michael@0	642	roles::NOTHING,
michael@0	643	kUseNativeRole,
michael@0	644	eNoValue,
michael@0	645	eNoAction,
michael@0	646	eNoLiveAttr,
michael@0	647	kGenericAccType,
michael@0	648	kNoReqStates
michael@0	649	};
michael@0	650
michael@0	651	nsRoleMapEntry aria::gEmptyRoleMap = {
michael@0	652	&nsGkAtoms::_empty,
michael@0	653	roles::NOTHING,
michael@0	654	kUseMapRole,
michael@0	655	eNoValue,
michael@0	656	eNoAction,
michael@0	657	eNoLiveAttr,
michael@0	658	kGenericAccType,
michael@0	659	kNoReqStates
michael@0	660	};
michael@0	661
michael@0	662	/**
michael@0	663	* Universal (Global) states:
michael@0	664	* The following state rules are applied to any accessible element,
michael@0	665	* whether there is an ARIA role or not:
michael@0	666	*/
michael@0	667	static const EStateRule sWAIUnivStateMap[] = {
michael@0	668	eARIABusy,
michael@0	669	eARIADisabled,
michael@0	670	eARIAExpanded, // Currently under spec review but precedent exists
michael@0	671	eARIAHasPopup, // Note this is technically a "property"
michael@0	672	eARIAInvalid,
michael@0	673	eARIARequired, // XXX not global, Bug 553117
michael@0	674	eARIANone
michael@0	675	};
michael@0	676
michael@0	677
michael@0	678	/**
michael@0	679	* ARIA attribute map for attribute characteristics.
michael@0	680	* @note ARIA attributes that don't have any flags are not included here.
michael@0	681	*/
michael@0	682
michael@0	683	struct AttrCharacteristics
michael@0	684	{
michael@0	685	nsIAtom** attributeName;
michael@0	686	const uint8_t characteristics;
michael@0	687	};
michael@0	688
michael@0	689	static const AttrCharacteristics gWAIUnivAttrMap[] = {
michael@0	690	{&nsGkAtoms::aria_activedescendant, ATTR_BYPASSOBJ },
michael@0	691	{&nsGkAtoms::aria_atomic, ATTR_BYPASSOBJ_IF_FALSE | ATTR_VALTOKEN | ATTR_GLOBAL },
michael@0	692	{&nsGkAtoms::aria_busy, ATTR_VALTOKEN | ATTR_GLOBAL },
michael@0	693	{&nsGkAtoms::aria_checked, ATTR_BYPASSOBJ | ATTR_VALTOKEN }, /* exposes checkable obj attr */
michael@0	694	{&nsGkAtoms::aria_controls, ATTR_BYPASSOBJ | ATTR_GLOBAL },
michael@0	695	{&nsGkAtoms::aria_describedby, ATTR_BYPASSOBJ | ATTR_GLOBAL },
michael@0	696	{&nsGkAtoms::aria_disabled, ATTR_BYPASSOBJ | ATTR_VALTOKEN | ATTR_GLOBAL },
michael@0	697	{&nsGkAtoms::aria_dropeffect, ATTR_VALTOKEN | ATTR_GLOBAL },
michael@0	698	{&nsGkAtoms::aria_expanded, ATTR_BYPASSOBJ | ATTR_VALTOKEN },
michael@0	699	{&nsGkAtoms::aria_flowto, ATTR_BYPASSOBJ | ATTR_GLOBAL },
michael@0	700	{&nsGkAtoms::aria_grabbed, ATTR_VALTOKEN | ATTR_GLOBAL },
michael@0	701	{&nsGkAtoms::aria_haspopup, ATTR_BYPASSOBJ | ATTR_VALTOKEN | ATTR_GLOBAL },
michael@0	702	{&nsGkAtoms::aria_hidden, ATTR_BYPASSOBJ_IF_FALSE | ATTR_VALTOKEN | ATTR_GLOBAL },
michael@0	703	{&nsGkAtoms::aria_invalid, ATTR_BYPASSOBJ | ATTR_VALTOKEN | ATTR_GLOBAL },
michael@0	704	{&nsGkAtoms::aria_label, ATTR_BYPASSOBJ | ATTR_GLOBAL },
michael@0	705	{&nsGkAtoms::aria_labelledby, ATTR_BYPASSOBJ | ATTR_GLOBAL },
michael@0	706	{&nsGkAtoms::aria_level, ATTR_BYPASSOBJ }, /* handled via groupPosition */
michael@0	707	{&nsGkAtoms::aria_live, ATTR_VALTOKEN | ATTR_GLOBAL },
michael@0	708	{&nsGkAtoms::aria_multiline, ATTR_BYPASSOBJ | ATTR_VALTOKEN },
michael@0	709	{&nsGkAtoms::aria_multiselectable, ATTR_BYPASSOBJ | ATTR_VALTOKEN },
michael@0	710	{&nsGkAtoms::aria_owns, ATTR_BYPASSOBJ | ATTR_GLOBAL },
michael@0	711	{&nsGkAtoms::aria_orientation, ATTR_VALTOKEN },
michael@0	712	{&nsGkAtoms::aria_posinset, ATTR_BYPASSOBJ }, /* handled via groupPosition */
michael@0	713	{&nsGkAtoms::aria_pressed, ATTR_BYPASSOBJ | ATTR_VALTOKEN },
michael@0	714	{&nsGkAtoms::aria_readonly, ATTR_BYPASSOBJ | ATTR_VALTOKEN },
michael@0	715	{&nsGkAtoms::aria_relevant, ATTR_BYPASSOBJ | ATTR_GLOBAL },
michael@0	716	{&nsGkAtoms::aria_required, ATTR_BYPASSOBJ | ATTR_VALTOKEN },
michael@0	717	{&nsGkAtoms::aria_selected, ATTR_BYPASSOBJ | ATTR_VALTOKEN },
michael@0	718	{&nsGkAtoms::aria_setsize, ATTR_BYPASSOBJ }, /* handled via groupPosition */
michael@0	719	{&nsGkAtoms::aria_sort, ATTR_VALTOKEN },
michael@0	720	{&nsGkAtoms::aria_valuenow, ATTR_BYPASSOBJ },
michael@0	721	{&nsGkAtoms::aria_valuemin, ATTR_BYPASSOBJ },
michael@0	722	{&nsGkAtoms::aria_valuemax, ATTR_BYPASSOBJ },
michael@0	723	{&nsGkAtoms::aria_valuetext, ATTR_BYPASSOBJ }
michael@0	724	};
michael@0	725
michael@0	726	nsRoleMapEntry*
michael@0	727	aria::GetRoleMap(nsINode* aNode)
michael@0	728	{
michael@0	729	nsIContent* content = nsCoreUtils::GetRoleContent(aNode);
michael@0	730	nsAutoString roles;
michael@0	731	if (!content ||
michael@0	732	!content->GetAttr(kNameSpaceID_None, nsGkAtoms::role, roles) ||
michael@0	733	roles.IsEmpty()) {
michael@0	734	// We treat role="" as if the role attribute is absent (per aria spec:8.1.1)
michael@0	735	return nullptr;
michael@0	736	}
michael@0	737
michael@0	738	nsWhitespaceTokenizer tokenizer(roles);
michael@0	739	while (tokenizer.hasMoreTokens()) {
michael@0	740	// Do a binary search through table for the next role in role list
michael@0	741	const nsDependentSubstring role = tokenizer.nextToken();
michael@0	742	uint32_t low = 0;
michael@0	743	uint32_t high = ArrayLength(sWAIRoleMaps);
michael@0	744	while (low < high) {
michael@0	745	uint32_t idx = (low + high) / 2;
michael@0	746	int32_t compare = Compare(role, sWAIRoleMaps[idx].ARIARoleString());
michael@0	747	if (compare == 0)
michael@0	748	return sWAIRoleMaps + idx;
michael@0	749
michael@0	750	if (compare < 0)
michael@0	751	high = idx;
michael@0	752	else
michael@0	753	low = idx + 1;
michael@0	754	}
michael@0	755	}
michael@0	756
michael@0	757	// Always use some entry if there is a non-empty role string
michael@0	758	// To ensure an accessible object is created
michael@0	759	return &sLandmarkRoleMap;
michael@0	760	}
michael@0	761
michael@0	762	uint64_t
michael@0	763	aria::UniversalStatesFor(mozilla::dom::Element* aElement)
michael@0	764	{
michael@0	765	uint64_t state = 0;
michael@0	766	uint32_t index = 0;
michael@0	767	while (MapToState(sWAIUnivStateMap[index], aElement, &state))
michael@0	768	index++;
michael@0	769
michael@0	770	return state;
michael@0	771	}
michael@0	772
michael@0	773	uint8_t
michael@0	774	aria::AttrCharacteristicsFor(nsIAtom* aAtom)
michael@0	775	{
michael@0	776	for (uint32_t i = 0; i < ArrayLength(gWAIUnivAttrMap); i++)
michael@0	777	if (*gWAIUnivAttrMap[i].attributeName == aAtom)
michael@0	778	return gWAIUnivAttrMap[i].characteristics;
michael@0	779
michael@0	780	return 0;
michael@0	781	}
michael@0	782
michael@0	783	////////////////////////////////////////////////////////////////////////////////
michael@0	784	// AttrIterator class
michael@0	785
michael@0	786	bool
michael@0	787	AttrIterator::Next(nsAString& aAttrName, nsAString& aAttrValue)
michael@0	788	{
michael@0	789	while (mAttrIdx < mAttrCount) {
michael@0	790	const nsAttrName* attr = mContent->GetAttrNameAt(mAttrIdx);
michael@0	791	mAttrIdx++;
michael@0	792	if (attr->NamespaceEquals(kNameSpaceID_None)) {
michael@0	793	nsIAtom* attrAtom = attr->Atom();
michael@0	794	nsDependentAtomString attrStr(attrAtom);
michael@0	795	if (!StringBeginsWith(attrStr, NS_LITERAL_STRING("aria-")))
michael@0	796	continue; // Not ARIA
michael@0	797
michael@0	798	uint8_t attrFlags = aria::AttrCharacteristicsFor(attrAtom);
michael@0	799	if (attrFlags & ATTR_BYPASSOBJ)
michael@0	800	continue; // No need to handle exposing as obj attribute here
michael@0	801
michael@0	802	if ((attrFlags & ATTR_VALTOKEN) &&
michael@0	803	!nsAccUtils::HasDefinedARIAToken(mContent, attrAtom))
michael@0	804	continue; // only expose token based attributes if they are defined
michael@0	805
michael@0	806	if ((attrFlags & ATTR_BYPASSOBJ_IF_FALSE) &&
michael@0	807	mContent->AttrValueIs(kNameSpaceID_None, attrAtom,
michael@0	808	nsGkAtoms::_false, eCaseMatters)) {
michael@0	809	continue; // only expose token based attribute if value is not 'false'.
michael@0	810	}
michael@0	811
michael@0	812	nsAutoString value;
michael@0	813	if (mContent->GetAttr(kNameSpaceID_None, attrAtom, value)) {
michael@0	814	aAttrName.Assign(Substring(attrStr, 5));
michael@0	815	aAttrValue.Assign(value);
michael@0	816	return true;
michael@0	817	}
michael@0	818	}
michael@0	819	}
michael@0	820
michael@0	821	return false;
michael@0	822	}
michael@0	823