зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
2.8 KiB
C++
112 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 _nsRadioVisitor_h__
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#define _nsRadioVisitor_h__
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#include "mozilla/Attributes.h"
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#include "nsIRadioVisitor.h"
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class nsIFormControl;
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/**
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* nsRadioVisitor is the base class implementing nsIRadioVisitor and inherited
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* by all radio visitors.
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*/
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class nsRadioVisitor : public nsIRadioVisitor
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{
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protected:
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virtual ~nsRadioVisitor() { }
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public:
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nsRadioVisitor() { }
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NS_DECL_ISUPPORTS
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virtual bool Visit(nsIFormControl* aRadio) override = 0;
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};
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/**
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* The following declarations are radio visitors inheriting from nsRadioVisitor.
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*/
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/**
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* nsRadioSetCheckedChangedVisitor is calling SetCheckedChanged with the given
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* parameter to all radio elements in the group.
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*/
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class nsRadioSetCheckedChangedVisitor : public nsRadioVisitor
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{
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public:
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explicit nsRadioSetCheckedChangedVisitor(bool aCheckedChanged)
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: mCheckedChanged(aCheckedChanged)
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{ }
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virtual bool Visit(nsIFormControl* aRadio) override;
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protected:
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bool mCheckedChanged;
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};
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/**
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* nsRadioGetCheckedChangedVisitor is getting the current checked changed value.
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* Getting it from one radio element is the group is enough given that all
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* elements should have the same value.
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*/
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class nsRadioGetCheckedChangedVisitor : public nsRadioVisitor
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{
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public:
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nsRadioGetCheckedChangedVisitor(bool* aCheckedChanged,
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nsIFormControl* aExcludeElement)
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: mCheckedChanged(aCheckedChanged)
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, mExcludeElement(aExcludeElement)
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{ }
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virtual bool Visit(nsIFormControl* aRadio) override;
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protected:
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bool* mCheckedChanged;
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nsIFormControl* mExcludeElement;
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};
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/**
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* nsRadioSetValueMissingState is calling SetValueMissingState with the given
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* parameter to all radio elements in the group.
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* It is also calling ContentStatesChanged if needed.
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*/
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class nsRadioSetValueMissingState : public nsRadioVisitor
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{
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public:
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nsRadioSetValueMissingState(nsIFormControl* aExcludeElement,
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bool aValidity, bool aNotify)
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: mExcludeElement(aExcludeElement)
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, mValidity(aValidity)
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, mNotify(aNotify)
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{ }
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virtual bool Visit(nsIFormControl* aRadio) override;
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protected:
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nsIFormControl* mExcludeElement;
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bool mValidity;
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bool mNotify;
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};
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class nsRadioUpdateStateVisitor : public nsRadioVisitor
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{
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public:
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explicit nsRadioUpdateStateVisitor(nsIFormControl* aExcludeElement)
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: mExcludeElement(aExcludeElement)
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{ }
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virtual bool Visit(nsIFormControl* aRadio) override;
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protected:
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nsIFormControl* mExcludeElement;
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};
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#endif // _nsRadioVisitor_h__
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