The Tor Browser: accessible/src/xul/XULSliderAccessible.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     6 #ifndef mozilla_a11y_XULSliderAccessible_h__

     7 #define mozilla_a11y_XULSliderAccessible_h__

     9 #include "AccessibleWrap.h"

    11 #include "nsIDOMElement.h"

    13 namespace mozilla {

    14 namespace a11y {

    16 /**

    17  * Used for XUL slider and scale elements.

    18  */

    19 class XULSliderAccessible : public AccessibleWrap

    20 {

    21 public:

    22   XULSliderAccessible(nsIContent* aContent, DocAccessible* aDoc);

    24   // nsIAccessible

    25   NS_IMETHOD GetActionName(uint8_t aIndex, nsAString& aName);

    26   NS_IMETHOD DoAction(uint8_t aIndex);

    28   // Accessible

    29   virtual void Value(nsString& aValue);

    30   virtual a11y::role NativeRole();

    31   virtual uint64_t NativeInteractiveState() const;

    32   virtual bool NativelyUnavailable() const;

    33   virtual bool CanHaveAnonChildren();

    35   // Value

    36   virtual double MaxValue() const MOZ_OVERRIDE;

    37   virtual double MinValue() const MOZ_OVERRIDE;

    38   virtual double CurValue() const MOZ_OVERRIDE;

    39   virtual double Step() const MOZ_OVERRIDE;

    40   virtual bool SetCurValue(double aValue) MOZ_OVERRIDE;

    42   // ActionAccessible

    43   virtual uint8_t ActionCount();

    45 protected:

    46   /**

    47    * Return anonymous slider element.

    48    */

    49   nsIContent* GetSliderElement() const;

    51   nsresult GetSliderAttr(nsIAtom *aName, nsAString& aValue) const;

    52   nsresult SetSliderAttr(nsIAtom *aName, const nsAString& aValue);

    54   double GetSliderAttr(nsIAtom *aName) const;

    55   bool SetSliderAttr(nsIAtom *aName, double aValue);

    57 private:

    58   mutable nsCOMPtr<nsIContent> mSliderNode;

    59 };

    62 /**

    63  * Used for slider's thumb element.

    64  */

    65 class XULThumbAccessible : public AccessibleWrap

    66 {

    67 public:

    68   XULThumbAccessible(nsIContent* aContent, DocAccessible* aDoc);

    70   // Accessible

    71   virtual a11y::role NativeRole();

    72 };

    74 } // namespace a11y

    75 } // namespace mozilla

    77 #endif

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