1 /*
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
3 * Copyright (C) 2013 Samsung Electronics. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21 #include "config.h"
22 #include "core/svg/properties/SVGAnimatedProperty.h"
23
24 #include "core/svg/SVGElement.h"
25
26 namespace WebCore {
27
SVGAnimatedProperty(SVGElement * contextElement,const QualifiedName & attributeName,AnimatedPropertyType animatedPropertyType)28 SVGAnimatedProperty::SVGAnimatedProperty(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType)
29 : m_contextElement(contextElement)
30 , m_attributeName(attributeName)
31 , m_animatedPropertyType(animatedPropertyType)
32 , m_isAnimating(false)
33 , m_isReadOnly(false)
34 {
35 contextElement->setContextElement();
36 }
37
~SVGAnimatedProperty()38 SVGAnimatedProperty::~SVGAnimatedProperty()
39 {
40 // Assure that animationEnded() was called, if animationStarted() was called before.
41 ASSERT(!m_isAnimating);
42 }
43
detachAnimatedPropertiesForElement(SVGElement * element)44 void SVGAnimatedProperty::detachAnimatedPropertiesForElement(SVGElement* element)
45 {
46 // Remove wrappers from cache.
47 Cache* cache = animatedPropertyCache();
48
49 Vector<SVGAnimatedPropertyDescription> keysToRemove;
50
51 const Cache::const_iterator end = cache->end();
52 for (Cache::const_iterator it = cache->begin(); it != end; ++it) {
53 if (it->key.m_element == element) {
54 it->value->resetContextElement();
55 keysToRemove.append(it->key);
56 }
57 }
58
59 for (Vector<SVGAnimatedPropertyDescription>::const_iterator it = keysToRemove.begin(); it != keysToRemove.end(); ++it) {
60 // http://crbug.com/333156 :
61 // There are cases where detachAnimatedPropertiesForElement is called recursively from ~SVGAnimatedProperty.
62 // This below protect makes this function safe by deferring the recursive call until we finish touching the HashMap.
63 RefPtr<SVGAnimatedProperty> protect = cache->get(*it);
64 cache->remove(*it);
65 }
66 }
67
commitChange()68 void SVGAnimatedProperty::commitChange()
69 {
70 ASSERT(m_contextElement);
71 ASSERT_WITH_SECURITY_IMPLICATION(!m_contextElement->m_deletionHasBegun);
72 m_contextElement->invalidateSVGAttributes();
73 m_contextElement->svgAttributeChanged(m_attributeName);
74 }
75
animatedPropertyCache()76 SVGAnimatedProperty::Cache* SVGAnimatedProperty::animatedPropertyCache()
77 {
78 static Cache* s_cache = new Cache;
79 return s_cache;
80 }
81
82 } // namespace WebCore
83