gecko/content/base/src/Link.h
Shawn Wilsher 3c5791490b Bug 461199 (Part 5) - Add mozilla::dom::Link::LinkState
Adds a LinkState method that should be called by subclasses when they get asked
about their IntrinsicState.
r=sicking
sr=bz
2009-11-09 10:00:53 -08:00

80 lines
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et :
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Shawn Wilsher <me@shawnwilsher.com> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* ***** END LICENSE BLOCK ***** */
/**
* This is the base class for all link classes.
*/
#ifndef mozilla_dom_Link_h__
#define mozilla_dom_Link_h__
#include "nsIContent.h"
namespace mozilla {
namespace dom {
class Link : public nsISupports
{
public:
static const nsLinkState defaultState = eLinkState_Unknown;
Link();
virtual nsLinkState GetLinkState() const;
virtual void SetLinkState(nsLinkState aState);
/**
* @return NS_EVENT_STATE_VISITED if this link is visited,
* NS_EVENT_STATE_UNVISTED if this link is not visited, or 0 if this
* link is not actually a link.
*/
PRInt32 LinkState() const;
protected:
/**
* Invalidates any link caching, and resets the state to the default.
*/
virtual void ResetLinkState();
nsLinkState mLinkState;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_Link_h__