accessible/xul/XULSelectControlAccessible.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_a11y_XULSelectControlAccessible_h__
   8 #define mozilla_a11y_XULSelectControlAccessible_h__
   9
  10 #include "AccessibleWrap.h"
  11 #include "nsIDOMXULSelectCntrlEl.h"
  12
  13 namespace mozilla {
  14 namespace a11y {
  15
  16 /**
  17  * The basic implementation of accessible selection for XUL select controls.
  18  */
  19 class XULSelectControlAccessible : public AccessibleWrap
  20 {
  21 public:
  22   XULSelectControlAccessible(nsIContent* aContent, DocAccessible* aDoc);
  23   virtual ~XULSelectControlAccessible() {}
  24
  25   // Accessible
  26   virtual void Shutdown();
  27
  28   // SelectAccessible
  29   virtual already_AddRefed<nsIArray> SelectedItems();
  30   virtual uint32_t SelectedItemCount();
  31   virtual Accessible* GetSelectedItem(uint32_t aIndex);
  32   virtual bool IsItemSelected(uint32_t aIndex);
  33   virtual bool AddItemToSelection(uint32_t aIndex);
  34   virtual bool RemoveItemFromSelection(uint32_t aIndex);
  35   virtual bool SelectAll();
  36   virtual bool UnselectAll();
  37
  38   // Widgets
  39   virtual Accessible* CurrentItem();
  40   virtual void SetCurrentItem(Accessible* aItem);
  41
  42 protected:
  43   // nsIDOMXULMultiSelectControlElement inherits from this, so we'll always have
  44   // one of these if the widget is valid and not defunct
  45   nsCOMPtr<nsIDOMXULSelectControlElement> mSelectControl;
  46 };
  47
  48 } // namespace a11y
  49 } // namespace mozilla
  50
  51 #endif
  52