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 "nsSVGInteger.h"
38 : #include "nsSMILValue.h"
39 : #include "SMILIntegerType.h"
40 :
41 : using namespace mozilla;
42 :
43 1464 : NS_SVG_VAL_IMPL_CYCLE_COLLECTION(nsSVGInteger::DOMAnimatedInteger, mSVGElement)
44 :
45 0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(nsSVGInteger::DOMAnimatedInteger)
46 0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(nsSVGInteger::DOMAnimatedInteger)
47 :
48 : DOMCI_DATA(SVGAnimatedInteger, nsSVGInteger::DOMAnimatedInteger)
49 :
50 0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsSVGInteger::DOMAnimatedInteger)
51 0 : NS_INTERFACE_MAP_ENTRY(nsIDOMSVGAnimatedInteger)
52 0 : NS_INTERFACE_MAP_ENTRY(nsISupports)
53 0 : NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGAnimatedInteger)
54 0 : NS_INTERFACE_MAP_END
55 :
56 : /* Implementation */
57 :
58 : static nsresult
59 0 : GetValueFromString(const nsAString &aValueAsString,
60 : PRInt32 *aValue)
61 : {
62 0 : NS_ConvertUTF16toUTF8 value(aValueAsString);
63 0 : const char *str = value.get();
64 :
65 0 : if (NS_IsAsciiWhitespace(*str))
66 0 : return NS_ERROR_DOM_SYNTAX_ERR;
67 :
68 : char *rest;
69 0 : *aValue = strtol(str, &rest, 10);
70 0 : if (rest == str || *rest != '\0') {
71 0 : return NS_ERROR_DOM_SYNTAX_ERR;
72 : }
73 0 : if (*rest == '\0') {
74 0 : return NS_OK;
75 : }
76 0 : return NS_ERROR_DOM_SYNTAX_ERR;
77 : }
78 :
79 : nsresult
80 0 : nsSVGInteger::SetBaseValueString(const nsAString &aValueAsString,
81 : nsSVGElement *aSVGElement)
82 : {
83 : PRInt32 value;
84 :
85 0 : nsresult rv = GetValueFromString(aValueAsString, &value);
86 0 : if (NS_FAILED(rv)) {
87 0 : return rv;
88 : }
89 :
90 0 : mIsBaseSet = true;
91 0 : mBaseVal = value;
92 0 : if (!mIsAnimated) {
93 0 : mAnimVal = mBaseVal;
94 : }
95 : else {
96 0 : aSVGElement->AnimationNeedsResample();
97 : }
98 0 : return NS_OK;
99 : }
100 :
101 : void
102 0 : nsSVGInteger::GetBaseValueString(nsAString & aValueAsString)
103 : {
104 0 : aValueAsString.Truncate();
105 0 : aValueAsString.AppendInt(mBaseVal);
106 0 : }
107 :
108 : void
109 0 : nsSVGInteger::SetBaseValue(int aValue, nsSVGElement *aSVGElement)
110 : {
111 : // We can't just rely on SetParsedAttrValue (as called by DidChangeInteger)
112 : // detecting redundant changes since it will compare false if the existing
113 : // attribute value has an associated serialized version (a string value) even
114 : // if the integers match due to the way integers are stored in nsAttrValue.
115 0 : if (aValue == mBaseVal && mIsBaseSet) {
116 0 : return;
117 : }
118 :
119 0 : mBaseVal = aValue;
120 0 : mIsBaseSet = true;
121 0 : if (!mIsAnimated) {
122 0 : mAnimVal = mBaseVal;
123 : }
124 : else {
125 0 : aSVGElement->AnimationNeedsResample();
126 : }
127 0 : aSVGElement->DidChangeInteger(mAttrEnum);
128 : }
129 :
130 : void
131 0 : nsSVGInteger::SetAnimValue(int aValue, nsSVGElement *aSVGElement)
132 : {
133 0 : mAnimVal = aValue;
134 0 : mIsAnimated = true;
135 0 : aSVGElement->DidAnimateInteger(mAttrEnum);
136 0 : }
137 :
138 : nsresult
139 0 : nsSVGInteger::ToDOMAnimatedInteger(nsIDOMSVGAnimatedInteger **aResult,
140 : nsSVGElement *aSVGElement)
141 : {
142 0 : *aResult = new DOMAnimatedInteger(this, aSVGElement);
143 0 : if (!*aResult)
144 0 : return NS_ERROR_OUT_OF_MEMORY;
145 :
146 0 : NS_ADDREF(*aResult);
147 0 : return NS_OK;
148 : }
149 :
150 : nsISMILAttr*
151 0 : nsSVGInteger::ToSMILAttr(nsSVGElement *aSVGElement)
152 : {
153 0 : return new SMILInteger(this, aSVGElement);
154 : }
155 :
156 : nsresult
157 0 : nsSVGInteger::SMILInteger::ValueFromString(const nsAString& aStr,
158 : const nsISMILAnimationElement* /*aSrcElement*/,
159 : nsSMILValue& aValue,
160 : bool& aPreventCachingOfSandwich) const
161 : {
162 : PRInt32 val;
163 :
164 0 : nsresult rv = GetValueFromString(aStr, &val);
165 0 : if (NS_FAILED(rv)) {
166 0 : return rv;
167 : }
168 :
169 0 : nsSMILValue smilVal(&SMILIntegerType::sSingleton);
170 0 : smilVal.mU.mInt = val;
171 0 : aValue = smilVal;
172 0 : aPreventCachingOfSandwich = false;
173 0 : return NS_OK;
174 : }
175 :
176 : nsSMILValue
177 0 : nsSVGInteger::SMILInteger::GetBaseValue() const
178 : {
179 0 : nsSMILValue val(&SMILIntegerType::sSingleton);
180 0 : val.mU.mInt = mVal->mBaseVal;
181 : return val;
182 : }
183 :
184 : void
185 0 : nsSVGInteger::SMILInteger::ClearAnimValue()
186 : {
187 0 : if (mVal->mIsAnimated) {
188 0 : mVal->mIsAnimated = false;
189 0 : mVal->mAnimVal = mVal->mBaseVal;
190 0 : mSVGElement->DidAnimateInteger(mVal->mAttrEnum);
191 : }
192 0 : }
193 :
194 : nsresult
195 0 : nsSVGInteger::SMILInteger::SetAnimValue(const nsSMILValue& aValue)
196 : {
197 0 : NS_ASSERTION(aValue.mType == &SMILIntegerType::sSingleton,
198 : "Unexpected type to assign animated value");
199 0 : if (aValue.mType == &SMILIntegerType::sSingleton) {
200 0 : mVal->SetAnimValue(int(aValue.mU.mInt), mSVGElement);
201 : }
202 0 : return NS_OK;
203 4392 : }
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