gecko-dev/accessible/html/HTMLFormControlAccessible.h

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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_HTMLFormControlAccessible_H_
#define MOZILLA_A11Y_HTMLFormControlAccessible_H_
#include "FormControlAccessible.h"
#include "HyperTextAccessibleWrap.h"
namespace mozilla {
namespace a11y {
/**
* Accessible for HTML progress element.
*/
typedef ProgressMeterAccessible<1> HTMLProgressMeterAccessible;
/**
* Accessible for HTML input@type="checkbox".
*/
class HTMLCheckboxAccessible : public LeafAccessible
{
public:
enum { eAction_Click = 0 };
HTMLCheckboxAccessible(nsIContent* aContent, DocAccessible* aDoc) :
LeafAccessible(aContent, aDoc)
{
// Ignore "CheckboxStateChange" DOM event in lieu of document observer
// state change notification.
mStateFlags |= eIgnoreDOMUIEvent;
}
// Accessible
virtual mozilla::a11y::role NativeRole() override;
virtual uint64_t NativeState() override;
// ActionAccessible
virtual uint8_t ActionCount() override;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
virtual bool DoAction(uint8_t aIndex) override;
// Widgets
virtual bool IsWidget() const override;
};
/**
* Accessible for HTML input@type="radio" element.
*/
class HTMLRadioButtonAccessible : public RadioButtonAccessible
{
public:
HTMLRadioButtonAccessible(nsIContent* aContent, DocAccessible* aDoc) :
RadioButtonAccessible(aContent, aDoc)
{
// Ignore "RadioStateChange" DOM event in lieu of document observer
// state change notification.
mStateFlags |= eIgnoreDOMUIEvent;
}
// Accessible
virtual uint64_t NativeState() override;
virtual void GetPositionAndSizeInternal(int32_t *aPosInSet,
int32_t *aSetSize) override;
};
/**
* Accessible for HTML input@type="button", @type="submit", @type="image"
* and HTML button elements.
*/
class HTMLButtonAccessible : public HyperTextAccessibleWrap
{
public:
enum { eAction_Click = 0 };
HTMLButtonAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual mozilla::a11y::role NativeRole() override;
virtual uint64_t State() override;
virtual uint64_t NativeState() override;
// ActionAccessible
virtual uint8_t ActionCount() override;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
virtual bool DoAction(uint8_t aIndex) override;
// Widgets
virtual bool IsWidget() const override;
protected:
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) override;
};
/**
* Accessible for HTML input@type="text", input@type="password", textarea and
* other HTML text controls.
*/
class HTMLTextFieldAccessible final : public HyperTextAccessibleWrap
{
public:
enum { eAction_Click = 0 };
HTMLTextFieldAccessible(nsIContent* aContent, DocAccessible* aDoc);
NS_DECL_ISUPPORTS_INHERITED
// HyperTextAccessible
virtual already_AddRefed<nsIEditor> GetEditor() const override;
// Accessible
virtual void Value(nsString& aValue) override;
virtual void ApplyARIAState(uint64_t* aState) const override;
virtual mozilla::a11y::role NativeRole() override;
virtual uint64_t NativeState() override;
virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() override;
// ActionAccessible
virtual uint8_t ActionCount() override;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
virtual bool DoAction(uint8_t aIndex) override;
// Widgets
virtual bool IsWidget() const override;
virtual Accessible* ContainerWidget() const override;
protected:
virtual ~HTMLTextFieldAccessible() {}
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) override;
/**
* Return a XUL widget element this input is part of.
*/
nsIContent* XULWidgetElm() const { return mContent->GetBindingParent(); }
};
/**
* Accessible for input@type="file" element.
*/
class HTMLFileInputAccessible : public HyperTextAccessibleWrap
{
public:
HTMLFileInputAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual mozilla::a11y::role NativeRole() override;
virtual nsresult HandleAccEvent(AccEvent* aAccEvent) override;
};
/**
* Used for HTML input@type="number".
*/
class HTMLSpinnerAccessible : public AccessibleWrap
{
public:
HTMLSpinnerAccessible(nsIContent* aContent, DocAccessible* aDoc) :
AccessibleWrap(aContent, aDoc)
{
mStateFlags |= eHasNumericValue;
}
// Accessible
virtual mozilla::a11y::role NativeRole() override;
virtual void Value(nsString& aValue) override;
virtual double MaxValue() const override;
virtual double MinValue() const override;
virtual double CurValue() const override;
virtual double Step() const override;
virtual bool SetCurValue(double aValue) override;
};
/**
* Used for input@type="range" element.
*/
class HTMLRangeAccessible : public LeafAccessible
{
public:
HTMLRangeAccessible(nsIContent* aContent, DocAccessible* aDoc) :
LeafAccessible(aContent, aDoc)
{
mStateFlags |= eHasNumericValue;
}
// Accessible
virtual void Value(nsString& aValue) override;
virtual mozilla::a11y::role NativeRole() override;
// Value
virtual double MaxValue() const override;
virtual double MinValue() const override;
virtual double CurValue() const override;
virtual double Step() const override;
virtual bool SetCurValue(double aValue) override;
// Widgets
virtual bool IsWidget() const override;
};
/**
* Accessible for HTML fieldset element.
*/
class HTMLGroupboxAccessible : public HyperTextAccessibleWrap
{
public:
HTMLGroupboxAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual mozilla::a11y::role NativeRole() override;
virtual Relation RelationByType(RelationType aType) override;
protected:
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) override;
// HTMLGroupboxAccessible
nsIContent* GetLegend() const;
};
/**
* Accessible for HTML legend element.
*/
class HTMLLegendAccessible : public HyperTextAccessibleWrap
{
public:
HTMLLegendAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual Relation RelationByType(RelationType aType) override;
};
/**
* Accessible for HTML5 figure element.
*/
class HTMLFigureAccessible : public HyperTextAccessibleWrap
{
public:
HTMLFigureAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual Relation RelationByType(RelationType aType) override;
protected:
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) override;
// HTMLLegendAccessible
nsIContent* Caption() const;
};
/**
* Accessible for HTML5 figcaption element.
*/
class HTMLFigcaptionAccessible : public HyperTextAccessibleWrap
{
public:
HTMLFigcaptionAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual Relation RelationByType(RelationType aType) override;
};
} // namespace a11y
} // namespace mozilla
#endif