summaryrefslogtreecommitdiffstats
path: root/accessible/base/HTMLMarkupMap.h
blob: 3b422ac09c2a669e2d32f07b8ce875fb22449151 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=2:
 */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

MARKUPMAP(
    a,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      // An anchor element without an href attribute and without a click
      // listener should be a generic.
      if (!aElement->HasAttr(nsGkAtoms::href) &&
          !nsCoreUtils::HasClickListener(aElement)) {
        return new HyperTextAccessible(aElement, aContext->Document());
      }
      // Only some roles truly enjoy life as HTMLLinkAccessibles, for
      // details see closed bug 494807.
      const nsRoleMapEntry* roleMapEntry = aria::GetRoleMap(aElement);
      if (roleMapEntry && roleMapEntry->role != roles::NOTHING &&
          roleMapEntry->role != roles::LINK) {
        return new HyperTextAccessible(aElement, aContext->Document());
      }

      return new HTMLLinkAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(abbr, New_HyperText, 0)

MARKUPMAP(acronym, New_HyperText, 0)

MARKUPMAP(address, New_HyperText, roles::GROUPING)

MARKUPMAP(article, New_HyperText, roles::ARTICLE, Attr(xmlroles, article))

MARKUPMAP(
    aside,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLAsideAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(blockquote, New_HyperText, roles::BLOCKQUOTE)

MARKUPMAP(
    button,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLButtonAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(
    caption,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      if (aContext->IsTable()) {
        dom::HTMLTableElement* tableEl =
            dom::HTMLTableElement::FromNode(aContext->GetContent());
        if (tableEl && tableEl == aElement->GetParent() &&
            tableEl->GetCaption() == aElement) {
          return new HTMLCaptionAccessible(aElement, aContext->Document());
        }
      }
      return nullptr;
    },
    0)

MARKUPMAP(code, New_HyperText, roles::CODE)

MARKUPMAP(dd, New_HTMLDtOrDd<HyperTextAccessible>, roles::DEFINITION)

MARKUPMAP(del, New_HyperText, roles::CONTENT_DELETION)

MARKUPMAP(details, New_HyperText, roles::DETAILS)

MARKUPMAP(dfn, New_HyperText, roles::TERM)

MARKUPMAP(dialog, New_HyperText, roles::DIALOG)

MARKUPMAP(
    div,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      // Never create an accessible if we're part of an anonymous
      // subtree.
      if (aElement->IsInNativeAnonymousSubtree()) {
        return nullptr;
      }
      // Always create an accessible if the div has an id.
      if (aElement->HasAttr(nsGkAtoms::id)) {
        return new HyperTextAccessible(aElement, aContext->Document());
      }
      // Never create an accessible if the div is not display:block; or
      // display:inline-block or the like.
      nsIFrame* f = aElement->GetPrimaryFrame();
      if (!f || !f->IsBlockFrameOrSubclass()) {
        return nullptr;
      }
      // Check for various conditions to determine if this is a block
      // break and needs to be rendered.
      // If its previous sibling is an inline element, we probably want
      // to break, so render.
      // FIXME: This looks extremely incorrect in presence of shadow DOM,
      // display: contents, and what not.
      nsIContent* prevSibling = aElement->GetPreviousSibling();
      if (prevSibling) {
        nsIFrame* prevSiblingFrame = prevSibling->GetPrimaryFrame();
        if (prevSiblingFrame && prevSiblingFrame->IsInlineOutside()) {
          return new HyperTextAccessible(aElement, aContext->Document());
        }
      }
      // Now, check the children.
      nsIContent* firstChild = aElement->GetFirstChild();
      if (firstChild) {
        nsIFrame* firstChildFrame = firstChild->GetPrimaryFrame();
        if (!firstChildFrame) {
          // The first child is invisible, but this might be due to an
          // invisible text node. Try the next.
          firstChild = firstChild->GetNextSibling();
          if (!firstChild) {
            // If there's no next sibling, there's only one child, so there's
            // nothing more we can do.
            return nullptr;
          }
          firstChildFrame = firstChild->GetPrimaryFrame();
        }
        // Check to see if first child has an inline frame.
        if (firstChildFrame && firstChildFrame->IsInlineOutside()) {
          return new HyperTextAccessible(aElement, aContext->Document());
        }
        nsIContent* lastChild = aElement->GetLastChild();
        MOZ_ASSERT(lastChild);
        if (lastChild != firstChild) {
          nsIFrame* lastChildFrame = lastChild->GetPrimaryFrame();
          if (!lastChildFrame) {
            // The last child is invisible, but this might be due to an
            // invisible text node. Try the next.
            lastChild = lastChild->GetPreviousSibling();
            MOZ_ASSERT(lastChild);
            if (lastChild == firstChild) {
              return nullptr;
            }
            lastChildFrame = lastChild->GetPrimaryFrame();
          }
          // Check to see if last child has an inline frame.
          if (lastChildFrame && lastChildFrame->IsInlineOutside()) {
            return new HyperTextAccessible(aElement, aContext->Document());
          }
        }
      }
      return nullptr;
    },
    roles::SECTION)

MARKUPMAP(
    dl,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLListAccessible(aElement, aContext->Document());
    },
    roles::DEFINITION_LIST)

MARKUPMAP(dt, New_HTMLDtOrDd<HTMLLIAccessible>, roles::TERM)

MARKUPMAP(em, New_HyperText, roles::EMPHASIS)

MARKUPMAP(
    figcaption,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLFigcaptionAccessible(aElement, aContext->Document());
    },
    roles::CAPTION)

MARKUPMAP(
    figure,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLFigureAccessible(aElement, aContext->Document());
    },
    roles::FIGURE, Attr(xmlroles, figure))

MARKUPMAP(
    fieldset,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLGroupboxAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(
    form,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLFormAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(
    footer,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLHeaderOrFooterAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(
    header,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLHeaderOrFooterAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(h1, New_HyperText, roles::HEADING)

MARKUPMAP(h2, New_HyperText, roles::HEADING)

MARKUPMAP(h3, New_HyperText, roles::HEADING)

MARKUPMAP(h4, New_HyperText, roles::HEADING)

MARKUPMAP(h5, New_HyperText, roles::HEADING)

MARKUPMAP(h6, New_HyperText, roles::HEADING)

MARKUPMAP(hgroup, New_HyperText, roles::GROUPING)

MARKUPMAP(
    hr,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLHRAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(
    input,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      // TODO(emilio): This would be faster if it used
      // HTMLInputElement's already-parsed representation.
      if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
                                nsGkAtoms::checkbox, eIgnoreCase)) {
        return new CheckboxAccessible(aElement, aContext->Document());
      }
      if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
                                nsGkAtoms::image, eIgnoreCase)) {
        return new HTMLButtonAccessible(aElement, aContext->Document());
      }
      if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
                                nsGkAtoms::radio, eIgnoreCase)) {
        return new HTMLRadioButtonAccessible(aElement, aContext->Document());
      }
      if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
                                nsGkAtoms::time, eIgnoreCase)) {
        return new HTMLDateTimeAccessible<roles::TIME_EDITOR>(
            aElement, aContext->Document());
      }
      if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
                                nsGkAtoms::date, eIgnoreCase) ||
          aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type,
                                nsGkAtoms::datetime_local, eIgnoreCase)) {
        return new HTMLDateTimeAccessible<roles::DATE_EDITOR>(
            aElement, aContext->Document());
      }
      return nullptr;
    },
    0)

MARKUPMAP(ins, New_HyperText, roles::CONTENT_INSERTION)

MARKUPMAP(
    label,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLLabelAccessible(aElement, aContext->Document());
    },
    roles::LABEL)

MARKUPMAP(
    legend,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLLegendAccessible(aElement, aContext->Document());
    },
    roles::LABEL)

MARKUPMAP(
    li,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      // If list item is a child of accessible list then create an
      // accessible for it unconditionally by tag name. nsBlockFrame
      // creates the list item accessible for other elements styled as
      // list items.
      if (aContext->IsList() &&
          aContext->GetContent() == aElement->GetParent()) {
        return new HTMLLIAccessible(aElement, aContext->Document());
      }

      return nullptr;
    },
    0)

MARKUPMAP(main, New_HyperText, roles::LANDMARK)

MARKUPMAP(map, nullptr, roles::TEXT_CONTAINER)

MARKUPMAP(mark, New_HyperText, roles::MARK, Attr(xmlroles, mark))

MARKUPMAP(
    menu,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLListAccessible(aElement, aContext->Document());
    },
    roles::LIST)

MARKUPMAP(nav, New_HyperText, roles::LANDMARK)

MARKUPMAP(
    ol,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLListAccessible(aElement, aContext->Document());
    },
    roles::LIST)

MARKUPMAP(
    option,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLSelectOptionAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(
    optgroup,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLSelectOptGroupAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(
    output,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLOutputAccessible(aElement, aContext->Document());
    },
    roles::STATUSBAR, Attr(aria_live, polite))

MARKUPMAP(p, nullptr, roles::PARAGRAPH)

MARKUPMAP(
    progress,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLProgressAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(q, New_HyperText, 0)

MARKUPMAP(s, New_HyperText, roles::CONTENT_DELETION)

MARKUPMAP(
    section,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLSectionAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(strong, New_HyperText, roles::STRONG)

MARKUPMAP(sub, New_HyperText, roles::SUBSCRIPT)

MARKUPMAP(
    summary,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLSummaryAccessible(aElement, aContext->Document());
    },
    roles::SUMMARY)

MARKUPMAP(sup, New_HyperText, roles::SUPERSCRIPT)

MARKUPMAP(
    table,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLTableAccessible(aElement, aContext->Document());
    },
    roles::TABLE)

MARKUPMAP(time, New_HyperText, roles::TIME, Attr(xmlroles, time),
          AttrFromDOM(datetime, datetime))

MARKUPMAP(tbody, nullptr, roles::ROWGROUP)

MARKUPMAP(
    td,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      if (!aContext->IsHTMLTableRow()) {
        return nullptr;
      }
      if (aElement->HasAttr(nsGkAtoms::scope)) {
        return new HTMLTableHeaderCellAccessible(aElement,
                                                 aContext->Document());
      }
      return new HTMLTableCellAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(tfoot, nullptr, roles::ROWGROUP)

MARKUPMAP(
    th,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      if (!aContext->IsHTMLTableRow()) {
        return nullptr;
      }
      return new HTMLTableHeaderCellAccessible(aElement, aContext->Document());
    },
    0)

MARKUPMAP(thead, nullptr, roles::ROWGROUP)

MARKUPMAP(
    tr,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      if (aContext->IsTableRow()) {
        // A <tr> within a row isn't valid.
        return nullptr;
      }
      const nsRoleMapEntry* roleMapEntry = aria::GetRoleMap(aElement);
      if (roleMapEntry && roleMapEntry->role != roles::NOTHING &&
          roleMapEntry->role != roles::ROW) {
        // There is a valid ARIA role which isn't "row". Don't treat this as an
        // HTML table row.
        return nullptr;
      }
      // Check if this <tr> is within a table. We check the grandparent because
      // it might be inside a rowgroup. We don't specifically check for an HTML
      // table because there are cases where there is a <tr> inside a
      // <div role="table"> such as Monorail.
      if (aContext->IsTable() ||
          (aContext->LocalParent() && aContext->LocalParent()->IsTable())) {
        return new HTMLTableRowAccessible(aElement, aContext->Document());
      }
      return nullptr;
    },
    roles::ROW)

MARKUPMAP(
    ul,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLListAccessible(aElement, aContext->Document());
    },
    roles::LIST)

MARKUPMAP(
    meter,
    [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* {
      return new HTMLMeterAccessible(aElement, aContext->Document());
    },
    roles::METER)

MARKUPMAP(search, New_HyperText, roles::LANDMARK)