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) 2007
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 the GNU General Public License Version 2 or later (the "GPL"), or
25 : * 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 : #include "nsSVGBoolean.h"
38 : #include "nsSMILValue.h"
39 : #include "SMILBoolType.h"
40 :
41 : using namespace mozilla;
42 :
43 1464 : NS_SVG_VAL_IMPL_CYCLE_COLLECTION(nsSVGBoolean::DOMAnimatedBoolean, mSVGElement)
44 :
45 0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(nsSVGBoolean::DOMAnimatedBoolean)
46 0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(nsSVGBoolean::DOMAnimatedBoolean)
47 :
48 : DOMCI_DATA(SVGAnimatedBoolean, nsSVGBoolean::DOMAnimatedBoolean)
49 :
50 0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsSVGBoolean::DOMAnimatedBoolean)
51 0 : NS_INTERFACE_MAP_ENTRY(nsIDOMSVGAnimatedBoolean)
52 0 : NS_INTERFACE_MAP_ENTRY(nsISupports)
53 0 : NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGAnimatedBoolean)
54 0 : NS_INTERFACE_MAP_END
55 :
56 : /* Implementation */
57 :
58 : static nsresult
59 0 : GetValueFromString(const nsAString &aValueAsString,
60 : bool *aValue)
61 : {
62 0 : if (aValueAsString.EqualsLiteral("true")) {
63 0 : *aValue = true;
64 0 : return NS_OK;
65 : }
66 0 : if (aValueAsString.EqualsLiteral("false")) {
67 0 : *aValue = false;
68 0 : return NS_OK;
69 : }
70 0 : return NS_ERROR_DOM_SYNTAX_ERR;
71 : }
72 :
73 : static nsresult
74 0 : GetValueFromAtom(const nsIAtom* aValueAsAtom, bool *aValue)
75 : {
76 0 : if (aValueAsAtom == nsGkAtoms::_true) {
77 0 : *aValue = true;
78 0 : return NS_OK;
79 : }
80 0 : if (aValueAsAtom == nsGkAtoms::_false) {
81 0 : *aValue = false;
82 0 : return NS_OK;
83 : }
84 0 : return NS_ERROR_DOM_SYNTAX_ERR;
85 : }
86 :
87 : nsresult
88 0 : nsSVGBoolean::SetBaseValueAtom(const nsIAtom* aValue, nsSVGElement *aSVGElement)
89 : {
90 : bool val;
91 :
92 0 : nsresult rv = GetValueFromAtom(aValue, &val);
93 0 : if (NS_FAILED(rv)) {
94 0 : return rv;
95 : }
96 :
97 0 : mBaseVal = val;
98 0 : if (!mIsAnimated) {
99 0 : mAnimVal = mBaseVal;
100 : }
101 : else {
102 0 : aSVGElement->AnimationNeedsResample();
103 : }
104 :
105 : // We don't need to call DidChange* here - we're only called by
106 : // nsSVGElement::ParseAttribute under nsGenericElement::SetAttr,
107 : // which takes care of notifying.
108 0 : return NS_OK;
109 : }
110 :
111 : nsIAtom*
112 0 : nsSVGBoolean::GetBaseValueAtom() const
113 : {
114 0 : return mBaseVal ? nsGkAtoms::_true : nsGkAtoms::_false;
115 : }
116 :
117 : void
118 0 : nsSVGBoolean::SetBaseValue(bool aValue, nsSVGElement *aSVGElement)
119 : {
120 : NS_PRECONDITION(aValue == true || aValue == false, "Boolean out of range");
121 :
122 0 : if (aValue == mBaseVal) {
123 0 : return;
124 : }
125 :
126 0 : mBaseVal = aValue;
127 0 : if (!mIsAnimated) {
128 0 : mAnimVal = mBaseVal;
129 : } else {
130 0 : aSVGElement->AnimationNeedsResample();
131 : }
132 0 : aSVGElement->DidChangeBoolean(mAttrEnum);
133 : }
134 :
135 : void
136 0 : nsSVGBoolean::SetAnimValue(bool aValue, nsSVGElement *aSVGElement)
137 : {
138 0 : mAnimVal = aValue;
139 0 : mIsAnimated = true;
140 0 : aSVGElement->DidAnimateBoolean(mAttrEnum);
141 0 : }
142 :
143 : nsresult
144 0 : nsSVGBoolean::ToDOMAnimatedBoolean(nsIDOMSVGAnimatedBoolean **aResult,
145 : nsSVGElement *aSVGElement)
146 : {
147 0 : *aResult = new DOMAnimatedBoolean(this, aSVGElement);
148 0 : if (!*aResult)
149 0 : return NS_ERROR_OUT_OF_MEMORY;
150 :
151 0 : NS_ADDREF(*aResult);
152 0 : return NS_OK;
153 : }
154 :
155 : nsISMILAttr*
156 0 : nsSVGBoolean::ToSMILAttr(nsSVGElement *aSVGElement)
157 : {
158 0 : return new SMILBool(this, aSVGElement);
159 : }
160 :
161 : nsresult
162 0 : nsSVGBoolean::SMILBool::ValueFromString(const nsAString& aStr,
163 : const nsISMILAnimationElement* /*aSrcElement*/,
164 : nsSMILValue& aValue,
165 : bool& aPreventCachingOfSandwich) const
166 : {
167 : bool value;
168 0 : nsresult rv = GetValueFromString(aStr, &value);
169 0 : if (NS_FAILED(rv)) {
170 0 : return rv;
171 : }
172 :
173 0 : nsSMILValue val(&SMILBoolType::sSingleton);
174 0 : val.mU.mBool = value;
175 0 : aValue = val;
176 0 : aPreventCachingOfSandwich = false;
177 :
178 0 : return NS_OK;
179 : }
180 :
181 : nsSMILValue
182 0 : nsSVGBoolean::SMILBool::GetBaseValue() const
183 : {
184 0 : nsSMILValue val(&SMILBoolType::sSingleton);
185 0 : val.mU.mBool = mVal->mBaseVal;
186 : return val;
187 : }
188 :
189 : void
190 0 : nsSVGBoolean::SMILBool::ClearAnimValue()
191 : {
192 0 : if (mVal->mIsAnimated) {
193 0 : mVal->mIsAnimated = false;
194 0 : mVal->mAnimVal = mVal->mBaseVal;
195 0 : mSVGElement->DidAnimateBoolean(mVal->mAttrEnum);
196 : }
197 0 : }
198 :
199 : nsresult
200 0 : nsSVGBoolean::SMILBool::SetAnimValue(const nsSMILValue& aValue)
201 : {
202 0 : NS_ASSERTION(aValue.mType == &SMILBoolType::sSingleton,
203 : "Unexpected type to assign animated value");
204 0 : if (aValue.mType == &SMILBoolType::sSingleton) {
205 0 : mVal->SetAnimValue(PRUint16(aValue.mU.mBool), mSVGElement);
206 : }
207 0 : return NS_OK;
208 4392 : }
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