gecko-dev/accessible/generic/FormControlAccessible.h

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Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 15:12:37 +04:00
/* 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_FormControlAccessible_H_
#define MOZILLA_A11Y_FormControlAccessible_H_
#include "BaseAccessibles.h"
namespace mozilla {
namespace a11y {
/**
* Generic class used for progress meters.
*/
template<int Max>
class ProgressMeterAccessible : public LeafAccessible
{
public:
ProgressMeterAccessible(nsIContent* aContent, DocAccessible* aDoc) :
LeafAccessible(aContent, aDoc)
{
// Ignore 'ValueChange' DOM event in lieu of @value attribute change
// notifications.
mStateFlags |= eHasNumericValue | eIgnoreDOMUIEvent;
mType = eProgressType;
}
// Accessible
virtual void Value(nsString& aValue) override;
virtual mozilla::a11y::role NativeRole() override;
virtual uint64_t NativeState() 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;
protected:
virtual ~ProgressMeterAccessible() {}
};
/**
* Generic class used for radio buttons.
*/
class RadioButtonAccessible : public LeafAccessible
{
public:
RadioButtonAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual mozilla::a11y::role NativeRole() override;
// ActionAccessible
virtual uint8_t ActionCount() override;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
virtual bool DoAction(uint8_t aIndex) override;
enum { eAction_Click = 0 };
// Widgets
virtual bool IsWidget() const override;
};
} // namespace a11y
} // namespace mozilla
#endif