Bug 1608965 Part 1 - Add ARIA mark role, r=Jamie

Differential Revision: https://phabricator.services.mozilla.com/D64545

--HG--
extra : moz-landing-system : lando

accessible/atk/AccessibleWrap.cpp

@@ -615,6 +615,9 @@ AtkRole getRoleCB(AtkObject* aAtkObj) {
             aAtkObj->role == ATK_ROLE_MATH_ROOT) &&
            !IsAtkVersionAtLeast(2, 16))
     aAtkObj->role = ATK_ROLE_SECTION;
+  else if (aAtkObj->role == ATK_ROLE_MARK && !IsAtkVersionAtLeast(2, 36)) {
+    aAtkObj->role = ATK_ROLE_TEXT;
+  }
 
   return aAtkObj->role;
 }

accessible/base/ARIAMap.cpp

@@ -814,6 +814,15 @@ static const nsRoleMapEntry sWAIRoleMaps[] = {
     eLandmark,
     kNoReqStates
   },
+  { // mark
+    nsGkAtoms::mark,
+    roles::MARK,
+    kUseMapRole,
+    eNoValue,
+    eNoAction,
+    eNoLiveAttr,
+    kGenericAccType,
+  },
   { // marquee
     nsGkAtoms::marquee,
     roles::ANIMATION,

accessible/base/Role.h

@@ -1047,7 +1047,7 @@ enum Role {
 
   /**
    * The html:mark element.
-   * May also be used if WAI-ARIA gets an equivalent role.
+   * This is also used for the equivalent WAI-ARIA role.
    */
   MARK = 179,
 

accessible/base/RoleMap.h

@@ -1633,10 +1633,10 @@ ROLE(FORM_LANDMARK,
 
 ROLE(MARK,
      "mark",
-     ATK_ROLE_STATIC,
+     ATK_ROLE_MARK,
      NSAccessibilityGroupRole,
      USE_ROLE_STRING,
-     IA2_ROLE_TEXT_FRAME,
+     IA2_ROLE_MARK,
      java::SessionAccessibility::CLASSNAME_VIEW,
      eNameFromSubtreeIfReqRule)
 // clang-format on

accessible/tests/mochitest/role/test_aria.html

@@ -53,6 +53,7 @@
       testRole("aria_listbox", ROLE_LISTBOX);
       testRole("aria_listitem", ROLE_LISTITEM);
       testRole("aria_log", ROLE_TEXT); // weak role
+      testRole("aria_mark", ROLE_MARK);
       testRole("aria_marquee", ROLE_ANIMATION);
       testRole("aria_math", ROLE_FLAT_EQUATION);
       testRole("aria_menu", ROLE_MENUPOPUP);
@@ -266,6 +267,7 @@
   <span id="aria_listbox" role="listbox"></span>
   <span id="aria_listitem" role="listitem"></span>
   <span id="aria_log" role="log"></span>
+  <span id="aria_mark" role="mark"></span>
   <span id="aria_marquee" role="marquee"></span>
   <span id="aria_math" role="math"></span>
   <span id="aria_menu" role="menu"></span>