accessible/generic/FormControlAccessible.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 // NOTE: alphabetically ordered
   7
   8 #include "FormControlAccessible.h"
   9
  10 #include "mozilla/dom/HTMLInputElement.h"
  11 #include "mozilla/a11y/Role.h"
  12
  13 using namespace mozilla::a11y;
  14
  15 ////////////////////////////////////////////////////////////////////////////////
  16 // CheckboxAccessible
  17 ////////////////////////////////////////////////////////////////////////////////
  18
  19 role CheckboxAccessible::NativeRole() const { return roles::CHECKBUTTON; }
  20
  21 void CheckboxAccessible::ActionNameAt(uint8_t aIndex, nsAString& aName) {
  22   if (aIndex == eAction_Click) {
  23     uint64_t state = NativeState();
  24     if (state & states::CHECKED) {
  25       aName.AssignLiteral("uncheck");
  26     } else if (state & states::MIXED) {
  27       aName.AssignLiteral("cycle");
  28     } else {
  29       aName.AssignLiteral("check");
  30     }
  31   }
  32 }
  33
  34 bool CheckboxAccessible::HasPrimaryAction() const { return true; }
  35
  36 uint64_t CheckboxAccessible::NativeState() const {
  37   uint64_t state = LeafAccessible::NativeState();
  38
  39   state |= states::CHECKABLE;
  40   dom::HTMLInputElement* input = dom::HTMLInputElement::FromNode(mContent);
  41   if (input) {  // HTML:input@type="checkbox"
  42     if (input->Indeterminate()) {
  43       return state | states::MIXED;
  44     }
  45
  46     if (input->Checked()) {
  47       return state | states::CHECKED;
  48     }
  49
  50   } else if (mContent->AsElement()->AttrValueIs(
  51                  kNameSpaceID_None, nsGkAtoms::checked, nsGkAtoms::_true,
  52                  eCaseMatters)) {  // XUL checkbox
  53     return state | states::CHECKED;
  54   }
  55
  56   return state;
  57 }
  58
  59 ////////////////////////////////////////////////////////////////////////////////
  60 // CheckboxAccessible: Widgets
  61
  62 bool CheckboxAccessible::IsWidget() const { return true; }
  63
  64 ////////////////////////////////////////////////////////////////////////////////
  65 // RadioButtonAccessible
  66 ////////////////////////////////////////////////////////////////////////////////
  67
  68 RadioButtonAccessible::RadioButtonAccessible(nsIContent* aContent,
  69                                              DocAccessible* aDoc)
  70     : LeafAccessible(aContent, aDoc) {}
  71
  72 bool RadioButtonAccessible::HasPrimaryAction() const { return true; }
  73
  74 void RadioButtonAccessible::ActionNameAt(uint8_t aIndex, nsAString& aName) {
  75   if (aIndex == eAction_Click) aName.AssignLiteral("select");
  76 }
  77
  78 role RadioButtonAccessible::NativeRole() const { return roles::RADIOBUTTON; }
  79
  80 ////////////////////////////////////////////////////////////////////////////////
  81 // RadioButtonAccessible: Widgets
  82
  83 bool RadioButtonAccessible::IsWidget() const { return true; }