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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef MOZILLA_A11Y_XULFormControlAccessible_H_
#define MOZILLA_A11Y_XULFormControlAccessible_H_

// NOTE: alphabetically ordered
#include "AccessibleWrap.h"
#include "FormControlAccessible.h"
#include "HyperTextAccessible.h"
#include "XULSelectControlAccessible.h"

namespace mozilla {
namespace a11y {

/**
 * Used for XUL button.
 *
 * @note  Don't inherit from LeafAccessible - it doesn't allow children
 *         and a button can have a dropmarker child.
 */
class XULButtonAccessible : public AccessibleWrap {
 public:
  enum { eAction_Click = 0 };
  XULButtonAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // nsISupports
  NS_INLINE_DECL_REFCOUNTING_INHERITED(XULButtonAccessible, AccessibleWrap)

  // LocalAccessible
  virtual mozilla::a11y::role NativeRole() const override;
  virtual uint64_t NativeState() const override;
  virtual bool AttributeChangesState(nsAtom* aAttribute) override;

  // ActionAccessible
  virtual bool HasPrimaryAction() const override;
  virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;

  // Widgets
  virtual bool IsWidget() const override;
  virtual bool IsActiveWidget() const override;
  virtual bool AreItemsOperable() const override;

  virtual bool IsAcceptableChild(nsIContent* aEl) const override;

 protected:
  virtual ~XULButtonAccessible();

  // XULButtonAccessible
  bool ContainsMenu() const;
};

/**
 * Used for XUL dropmarker element.
 */
class XULDropmarkerAccessible : public LeafAccessible {
 public:
  enum { eAction_Click = 0 };
  XULDropmarkerAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // LocalAccessible
  virtual mozilla::a11y::role NativeRole() const override;
  virtual uint64_t NativeState() const override;

  // ActionAccessible
  virtual bool HasPrimaryAction() const override;
  virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
  virtual bool DoAction(uint8_t aIndex) const override;

 private:
  bool DropmarkerOpen(bool aToggleOpen) const;
};

/**
 * Used for XUL groupbox element.
 */
class XULGroupboxAccessible final : public AccessibleWrap {
 public:
  XULGroupboxAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // LocalAccessible
  virtual mozilla::a11y::role NativeRole() const override;
  virtual Relation RelationByType(RelationType aType) const override;

 protected:
  // LocalAccessible
  virtual ENameValueFlag NativeName(nsString& aName) const override;
};

/**
 * Used for XUL radio element (radio button).
 */
class XULRadioButtonAccessible : public RadioButtonAccessible {
 public:
  XULRadioButtonAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // LocalAccessible
  virtual uint64_t NativeState() const override;
  virtual uint64_t NativeInteractiveState() const override;

  // Widgets
  virtual LocalAccessible* ContainerWidget() const override;
};

/**
 * Used for XUL radiogroup element.
 */
class XULRadioGroupAccessible : public XULSelectControlAccessible {
 public:
  XULRadioGroupAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // LocalAccessible
  virtual mozilla::a11y::role NativeRole() const override;
  virtual uint64_t NativeInteractiveState() const override;

  // Widgets
  virtual bool IsWidget() const override;
  virtual bool IsActiveWidget() const override;
  virtual bool AreItemsOperable() const override;
  virtual LocalAccessible* CurrentItem() const override;
  virtual void SetCurrentItem(const LocalAccessible* aItem) override;
};

/**
 * Used for XUL statusbar element.
 */
class XULStatusBarAccessible : public AccessibleWrap {
 public:
  XULStatusBarAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // LocalAccessible
  virtual mozilla::a11y::role NativeRole() const override;
};

/**
 * Used for XUL toolbarbutton element.
 */
class XULToolbarButtonAccessible : public XULButtonAccessible {
 public:
  XULToolbarButtonAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // nsXULToolbarButtonAccessible
  static bool IsSeparator(LocalAccessible* aAccessible);

  // Widgets
  virtual bool IsAcceptableChild(nsIContent* aEl) const override;

 protected:
  // LocalAccessible
  virtual void GetPositionAndSetSize(int32_t* aPosInSet,
                                     int32_t* aSetSize) override;
};

/**
 * Used for XUL toolbar element.
 */
class XULToolbarAccessible : public AccessibleWrap {
 public:
  XULToolbarAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // LocalAccessible
  virtual mozilla::a11y::role NativeRole() const override;

 protected:
  // LocalAccessible
  virtual ENameValueFlag NativeName(nsString& aName) const override;
};

/**
 * Used for XUL toolbarseparator element.
 */
class XULToolbarSeparatorAccessible : public LeafAccessible {
 public:
  XULToolbarSeparatorAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // LocalAccessible
  virtual mozilla::a11y::role NativeRole() const override;
  virtual uint64_t NativeState() const override;
};

}  // namespace a11y
}  // namespace mozilla

#endif