1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is the Mozilla SMIL module.
16 : *
17 : * The Initial Developer of the Original Code is the Mozilla Corporation.
18 : * Portions created by the Initial Developer are Copyright (C) 2010
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : * Daniel Holbert <dholbert@mozilla.com>
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either of the GNU General Public License Version 2 or later (the "GPL"),
26 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
28 : * of those above. If you wish to allow use of your version of this file only
29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : /* representation of a SMIL-animatable mapped attribute on an element */
39 :
40 : #ifndef NS_SMILMAPPEDATTRIBUTE_H_
41 : #define NS_SMILMAPPEDATTRIBUTE_H_
42 :
43 : #include "nsSMILCSSProperty.h"
44 :
45 : /* We'll use the empty-string atom |nsGkAtoms::_empty| as the key for storing
46 : * an element's animated content style rule in its Property Table, under the
47 : * property-category SMIL_MAPPED_ATTR_ANIMVAL. Everything else stored in that
48 : * category is keyed off of the XML attribute name, so the empty string is a
49 : * good "reserved" key to use for storing the style rule (since XML attributes
50 : * all have nonempty names).
51 : */
52 : #define SMIL_MAPPED_ATTR_STYLERULE_ATOM nsGkAtoms::_empty
53 :
54 : /**
55 : * nsSMILMappedAttribute: Implements the nsISMILAttr interface for SMIL
56 : * animations whose targets are attributes that map to CSS properties. An
57 : * instance of this class represents a particular animation-targeted mapped
58 : * attribute on a particular element.
59 : */
60 : class nsSMILMappedAttribute : public nsSMILCSSProperty {
61 : public:
62 : /**
63 : * Constructs a new nsSMILMappedAttribute.
64 : *
65 : * @param aPropID The CSS property for the mapped attribute we're
66 : * interested in animating.
67 : * @param aElement The element whose attribute is being animated.
68 : */
69 0 : nsSMILMappedAttribute(nsCSSProperty aPropID, mozilla::dom::Element* aElement) :
70 0 : nsSMILCSSProperty(aPropID, aElement) {}
71 :
72 : // nsISMILAttr methods
73 : virtual nsresult ValueFromString(const nsAString& aStr,
74 : const nsISMILAnimationElement* aSrcElement,
75 : nsSMILValue& aValue,
76 : bool& aPreventCachingOfSandwich) const;
77 : virtual nsSMILValue GetBaseValue() const;
78 : virtual nsresult SetAnimValue(const nsSMILValue& aValue);
79 : virtual void ClearAnimValue();
80 :
81 : protected:
82 : // Helper Methods
83 : void FlushChangesToTargetAttr() const;
84 : already_AddRefed<nsIAtom> GetAttrNameAtom() const;
85 : };
86 : #endif // NS_SMILMAPPEDATTRIBUTE_H_
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