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) 2009
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 CSS property on an element */
39 :
40 : #ifndef NS_SMILCSSPROPERTY_H_
41 : #define NS_SMILCSSPROPERTY_H_
42 :
43 : #include "nsISMILAttr.h"
44 : #include "nsIAtom.h"
45 : #include "nsCSSProperty.h"
46 : #include "nsCSSValue.h"
47 :
48 : class nsIContent;
49 :
50 : namespace mozilla {
51 : namespace dom {
52 : class Element;
53 : } // namespace dom
54 : } // namespace mozilla
55 :
56 : /**
57 : * nsSMILCSSProperty: Implements the nsISMILAttr interface for SMIL animations
58 : * that target CSS properties. Represents a particular animation-targeted CSS
59 : * property on a particular element.
60 : */
61 : class nsSMILCSSProperty : public nsISMILAttr
62 0 : {
63 : public:
64 : /**
65 : * Constructs a new nsSMILCSSProperty.
66 : * @param aPropID The CSS property we're interested in animating.
67 : * @param aElement The element whose CSS property is being animated.
68 : */
69 : nsSMILCSSProperty(nsCSSProperty aPropID, mozilla::dom::Element* aElement);
70 :
71 : // nsISMILAttr methods
72 : virtual nsresult ValueFromString(const nsAString& aStr,
73 : const nsISMILAnimationElement* aSrcElement,
74 : nsSMILValue& aValue,
75 : bool& aPreventCachingOfSandwich) const;
76 : virtual nsSMILValue GetBaseValue() const;
77 : virtual nsresult SetAnimValue(const nsSMILValue& aValue);
78 : virtual void ClearAnimValue();
79 :
80 : /**
81 : * Utility method - returns true if the given property is supported for
82 : * SMIL animation.
83 : *
84 : * @param aProperty The property to check for animation support.
85 : * @return true if the given property is supported for SMIL animation, or
86 : * false otherwise
87 : */
88 : static bool IsPropertyAnimatable(nsCSSProperty aPropID);
89 :
90 : protected:
91 : nsCSSProperty mPropID;
92 : // Using non-refcounted pointer for mElement -- we know mElement will stay
93 : // alive for my lifetime because a nsISMILAttr (like me) only lives as long
94 : // as the Compositing step, and DOM elements don't get a chance to die during
95 : // that time.
96 : mozilla::dom::Element* mElement;
97 : };
98 :
99 : #endif // NS_SMILCSSPROPERTY_H_
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