gecko/content/smil/nsISMILAnimationElement.h

154 lines
5.0 KiB
C
Raw Normal View History

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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
* License.
*
* The Original Code is the Mozilla SVG project.
*
* The Initial Developer of the Original Code is
* the Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Daniel Holbert <dholbert@mozilla.com>
*
* 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"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef NS_ISMILANIMATIONELEMENT_H_
#define NS_ISMILANIMATIONELEMENT_H_
#include "nsISupports.h"
#include "nsIContent.h"
class nsISMILAttr;
//////////////////////////////////////////////////////////////////////////////
// nsISMILAnimationElement: Interface for elements that control the animation of
// some property of another element, e.g. <animate>, <set>.
#define NS_ISMILANIMATIONELEMENT_IID \
{ 0x70ac6eed, 0x0dba, 0x4c11, { 0xa6, 0xc5, 0x15, 0x73, 0xbc, 0x2f, 0x1a, 0xd8 } }
class nsSMILAnimationFunction;
class nsSMILTimeContainer;
class nsSMILTimedElement;
enum nsSMILTargetAttrType {
eSMILTargetAttrType_auto,
eSMILTargetAttrType_CSS,
eSMILTargetAttrType_XML
};
class nsISMILAnimationElement : public nsISupports
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISMILANIMATIONELEMENT_IID)
/*
* Returns this element as nsIContent.
*/
virtual const nsIContent& Content() const = 0;
/*
* Non-const version of Content()
*/
virtual nsIContent& Content() = 0;
/*
* Returns the source attribute as an nsAttrValue. The global namespace will
* be used.
*
* (The 'Anim' here and below is largely to avoid conflicts for subclasses
* that derive from nsGenericElement)
*
* @param aName the name of the attr
* @returns PR_TRUE if the attribute was set (even when set to empty string)
* PR_FALSE when not set.
*/
virtual const nsAttrValue* GetAnimAttr(nsIAtom* aName) const = 0;
/*
* Get the current value of an attribute as a string. The global namespace
* will be used.
*
* @param aName the name of the attr
* @param aResult the value (may legitimately be the empty string) [OUT]
* @returns PR_TRUE if the attribute was set (even when set to empty string)
* PR_FALSE when not set.
*/
PRBool GetAnimAttr(nsIAtom* aAttName, nsAString &aResult) const
{
return Content().GetAttr(kNameSpaceID_None, aAttName, aResult);
}
/*
* Check for the presence of an attribute in the global namespace.
*/
PRBool HasAnimAttr(nsIAtom* aAttName) const
{
return Content().HasAttr(kNameSpaceID_None, aAttName);
}
/*
* Returns the target (animated) element.
*/
virtual nsIContent* GetTargetElementContent() = 0;
/*
* Returns the name of the target (animated) attribute or property.
*/
virtual nsIAtom* GetTargetAttributeName() const = 0;
/*
* Returns the type of the target (animated) attribute or property.
*/
virtual nsSMILTargetAttrType GetTargetAttributeType() const = 0;
/*
* Returns the SMIL animation function associated with this animation element.
*
* The animation function is owned by the animation element.
*/
virtual nsSMILAnimationFunction& AnimationFunction() = 0;
/*
* Returns the SMIL timed element associated with this animation element.
*
* The timed element is owned by the animation element.
*/
virtual nsSMILTimedElement& TimedElement() = 0;
/*
* Returns the SMIL timed container root with which this animation element is
* associated (if any).
*/
virtual nsSMILTimeContainer* GetTimeContainer() = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsISMILAnimationElement,
NS_ISMILANIMATIONELEMENT_IID)
#endif // NS_ISMILANIMATIONELEMENT_H_