accessible/xul/XULColorPickerAccessible.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 #include "XULColorPickerAccessible.h"
   7
   8 #include "Accessible-inl.h"
   9 #include "nsAccUtils.h"
  10 #include "nsCoreUtils.h"
  11 #include "DocAccessible.h"
  12 #include "Role.h"
  13 #include "States.h"
  14
  15 #include "nsIDOMElement.h"
  16 #include "nsMenuPopupFrame.h"
  17
  18 using namespace mozilla::a11y;
  19
  20 ////////////////////////////////////////////////////////////////////////////////
  21 // XULColorPickerTileAccessible
  22 ////////////////////////////////////////////////////////////////////////////////
  23
  24 XULColorPickerTileAccessible::
  25   XULColorPickerTileAccessible(nsIContent* aContent, DocAccessible* aDoc) :
  26   AccessibleWrap(aContent, aDoc)
  27 {
  28 }
  29
  30 ////////////////////////////////////////////////////////////////////////////////
  31 // XULColorPickerTileAccessible: Accessible
  32
  33 void
  34 XULColorPickerTileAccessible::Value(nsString& aValue)
  35 {
  36   aValue.Truncate();
  37
  38   mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::color, aValue);
  39 }
  40
  41 role
  42 XULColorPickerTileAccessible::NativeRole()
  43 {
  44   return roles::PUSHBUTTON;
  45 }
  46
  47 uint64_t
  48 XULColorPickerTileAccessible::NativeState()
  49 {
  50   uint64_t state = AccessibleWrap::NativeState();
  51   if (mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::selected))
  52     state |= states::SELECTED;
  53
  54   return state;
  55 }
  56
  57 uint64_t
  58 XULColorPickerTileAccessible::NativeInteractiveState() const
  59 {
  60   return NativelyUnavailable() ?
  61     states::UNAVAILABLE : states::FOCUSABLE | states::SELECTABLE;
  62 }
  63
  64 ////////////////////////////////////////////////////////////////////////////////
  65 // XULColorPickerTileAccessible: Widgets
  66
  67 Accessible*
  68 XULColorPickerTileAccessible::ContainerWidget() const
  69 {
  70   Accessible* parent = Parent();
  71   if (parent) {
  72     Accessible* grandParent = parent->Parent();
  73     if (grandParent && grandParent->IsMenuButton())
  74       return grandParent;
  75   }
  76   return nullptr;
  77 }
  78
  79 ////////////////////////////////////////////////////////////////////////////////
  80 // XULColorPickerAccessible
  81 ////////////////////////////////////////////////////////////////////////////////
  82
  83 XULColorPickerAccessible::
  84   XULColorPickerAccessible(nsIContent* aContent, DocAccessible* aDoc) :
  85   XULColorPickerTileAccessible(aContent, aDoc)
  86 {
  87   mGenericTypes |= eMenuButton;
  88 }
  89
  90 ////////////////////////////////////////////////////////////////////////////////
  91 // XULColorPickerAccessible: Accessible
  92
  93 uint64_t
  94 XULColorPickerAccessible::NativeState()
  95 {
  96   uint64_t state = AccessibleWrap::NativeState();
  97   return state | states::HASPOPUP;
  98 }
  99
 100 role
 101 XULColorPickerAccessible::NativeRole()
 102 {
 103   return roles::BUTTONDROPDOWNGRID;
 104 }
 105
 106 ////////////////////////////////////////////////////////////////////////////////
 107 // XULColorPickerAccessible: Widgets
 108
 109 bool
 110 XULColorPickerAccessible::IsWidget() const
 111 {
 112   return true;
 113 }
 114
 115 bool
 116 XULColorPickerAccessible::IsActiveWidget() const
 117 {
 118   return FocusMgr()->HasDOMFocus(mContent);
 119 }
 120
 121 bool
 122 XULColorPickerAccessible::AreItemsOperable() const
 123 {
 124   Accessible* menuPopup = mChildren.SafeElementAt(0, nullptr);
 125   if (menuPopup) {
 126     nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(menuPopup->GetFrame());
 127     return menuPopupFrame && menuPopupFrame->IsOpen();
 128   }
 129   return false;
 130 }
 131
 132 ////////////////////////////////////////////////////////////////////////////////
 133 // XULColorPickerAccessible: protected Accessible
 134
 135 bool
 136 XULColorPickerAccessible::IsAcceptableChild(Accessible* aPossibleChild) const
 137 {
 138   return roles::ALERT == aPossibleChild->Role();
 139 }