зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
1.9 KiB
C++
76 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_XULSliderAccessible_h__
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#define mozilla_a11y_XULSliderAccessible_h__
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#include "AccessibleWrap.h"
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#include "nsIDOMElement.h"
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namespace mozilla {
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namespace a11y {
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/**
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* Used for XUL slider and scale elements.
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*/
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class XULSliderAccessible : public AccessibleWrap
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{
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public:
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XULSliderAccessible(nsIContent* aContent, DocAccessible* aDoc);
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// Accessible
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virtual void Value(nsString& aValue) override;
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virtual a11y::role NativeRole() override;
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virtual uint64_t NativeInteractiveState() const override;
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virtual bool NativelyUnavailable() const override;
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// Value
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virtual double MaxValue() const override;
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virtual double MinValue() const override;
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virtual double CurValue() const override;
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virtual double Step() const override;
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virtual bool SetCurValue(double aValue) override;
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// ActionAccessible
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virtual uint8_t ActionCount() override;
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virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
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virtual bool DoAction(uint8_t aIndex) override;
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protected:
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/**
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* Return anonymous slider element.
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*/
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dom::Element* GetSliderElement() const;
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nsresult GetSliderAttr(nsAtom *aName, nsAString& aValue) const;
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nsresult SetSliderAttr(nsAtom *aName, const nsAString& aValue);
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double GetSliderAttr(nsAtom *aName) const;
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bool SetSliderAttr(nsAtom *aName, double aValue);
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private:
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mutable RefPtr<dom::Element> mSliderElement;
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};
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/**
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* Used for slider's thumb element.
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*/
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class XULThumbAccessible : public AccessibleWrap
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{
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public:
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XULThumbAccessible(nsIContent* aContent, DocAccessible* aDoc);
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// Accessible
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virtual a11y::role NativeRole() override;
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};
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} // namespace a11y
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} // namespace mozilla
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#endif
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