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 SVG project.
16 : *
17 : * The Initial Developer of the Original Code is Robert Longson.
18 : * Portions created by the Initial Developer are Copyright (C) 2011
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : *
23 : * Alternatively, the contents of this file may be used under the terms of
24 : * either of the GNU General Public License Version 2 or later (the "GPL"),
25 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
26 : * in which case the provisions of the GPL or the LGPL are applicable instead
27 : * of those above. If you wish to allow use of your version of this file only
28 : * under the terms of either the GPL or the LGPL, and not to allow others to
29 : * use your version of this file under the terms of the MPL, indicate your
30 : * decision by deleting the provisions above and replace them with the notice
31 : * and other provisions required by the GPL or the LGPL. If you do not delete
32 : * the provisions above, a recipient may use your version of this file under
33 : * the terms of any one of the MPL, the GPL or the LGPL.
34 : *
35 : * ***** END LICENSE BLOCK ***** */
36 :
37 : #ifndef __NS_SVGCLASS_H__
38 : #define __NS_SVGCLASS_H__
39 :
40 : #include "nsAutoPtr.h"
41 : #include "nsCycleCollectionParticipant.h"
42 : #include "nsDOMError.h"
43 : #include "nsIDOMSVGAnimatedString.h"
44 : #include "nsISMILAttr.h"
45 : #include "nsString.h"
46 :
47 : class nsSVGStylableElement;
48 :
49 : class nsSVGClass
50 0 : {
51 :
52 : public:
53 0 : void Init() {
54 0 : mAnimVal = nsnull;
55 0 : }
56 :
57 : void SetBaseValue(const nsAString& aValue,
58 : nsSVGStylableElement *aSVGElement,
59 : bool aDoSetAttr);
60 : void GetBaseValue(nsAString& aValue, const nsSVGStylableElement *aSVGElement) const;
61 :
62 : void SetAnimValue(const nsAString& aValue, nsSVGStylableElement *aSVGElement);
63 : void GetAnimValue(nsAString& aValue, const nsSVGStylableElement *aSVGElement) const;
64 0 : bool IsAnimated() const
65 0 : { return !!mAnimVal; }
66 :
67 : nsresult ToDOMAnimatedString(nsIDOMSVGAnimatedString **aResult,
68 : nsSVGStylableElement *aSVGElement);
69 : // Returns a new nsISMILAttr object that the caller must delete
70 : nsISMILAttr* ToSMILAttr(nsSVGStylableElement *aSVGElement);
71 :
72 : private:
73 :
74 : nsAutoPtr<nsString> mAnimVal;
75 :
76 : public:
77 : struct DOMAnimatedString : public nsIDOMSVGAnimatedString
78 0 : {
79 0 : NS_DECL_CYCLE_COLLECTING_ISUPPORTS
80 1464 : NS_DECL_CYCLE_COLLECTION_CLASS(DOMAnimatedString)
81 :
82 0 : DOMAnimatedString(nsSVGClass *aVal, nsSVGStylableElement *aSVGElement)
83 0 : : mVal(aVal), mSVGElement(aSVGElement) {}
84 :
85 : nsSVGClass* mVal; // kept alive because it belongs to content
86 : nsRefPtr<nsSVGStylableElement> mSVGElement;
87 :
88 0 : NS_IMETHOD GetBaseVal(nsAString& aResult)
89 0 : { mVal->GetBaseValue(aResult, mSVGElement); return NS_OK; }
90 0 : NS_IMETHOD SetBaseVal(const nsAString& aValue)
91 0 : { mVal->SetBaseValue(aValue, mSVGElement, true); return NS_OK; }
92 :
93 : NS_IMETHOD GetAnimVal(nsAString& aResult);
94 : };
95 : struct SMILString : public nsISMILAttr
96 0 : {
97 : public:
98 0 : SMILString(nsSVGClass *aVal, nsSVGStylableElement *aSVGElement)
99 0 : : mVal(aVal), mSVGElement(aSVGElement) {}
100 :
101 : // These will stay alive because a nsISMILAttr only lives as long
102 : // as the Compositing step, and DOM elements don't get a chance to
103 : // die during that.
104 : nsSVGClass* mVal;
105 : nsSVGStylableElement* mSVGElement;
106 :
107 : // nsISMILAttr methods
108 : virtual nsresult ValueFromString(const nsAString& aStr,
109 : const nsISMILAnimationElement *aSrcElement,
110 : nsSMILValue& aValue,
111 : bool& aPreventCachingOfSandwich) const;
112 : virtual nsSMILValue GetBaseValue() const;
113 : virtual void ClearAnimValue();
114 : virtual nsresult SetAnimValue(const nsSMILValue& aValue);
115 : };
116 : };
117 : #endif //__NS_SVGCLASS_H__
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