1 /* 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef SVGElementRareData_h 21 #define SVGElementRareData_h 22 23 #include "core/svg/SVGElement.h" 24 #include "wtf/HashSet.h" 25 #include "wtf/Noncopyable.h" 26 #include "wtf/StdLibExtras.h" 27 28 namespace blink { 29 30 class CSSCursorImageValue; 31 class SVGCursorElement; 32 33 class SVGElementRareData : public NoBaseWillBeGarbageCollectedFinalized<SVGElementRareData> { 34 WTF_MAKE_NONCOPYABLE(SVGElementRareData); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 35 public: SVGElementRareData(SVGElement * owner)36 SVGElementRareData(SVGElement* owner) 37 #if ENABLE(OILPAN) 38 : m_owner(owner) 39 , m_cursorElement(nullptr) 40 #else 41 : m_cursorElement(nullptr) 42 #endif 43 , m_cursorImageValue(nullptr) 44 , m_correspondingElement(nullptr) 45 , m_instancesUpdatesBlocked(false) 46 , m_useOverrideComputedStyle(false) 47 , m_needsOverrideComputedStyleUpdate(false) 48 { 49 } 50 outgoingReferences()51 SVGElementSet& outgoingReferences() { return m_outgoingReferences; } outgoingReferences()52 const SVGElementSet& outgoingReferences() const { return m_outgoingReferences; } incomingReferences()53 SVGElementSet& incomingReferences() { return m_incomingReferences; } incomingReferences()54 const SVGElementSet& incomingReferences() const { return m_incomingReferences; } 55 elementInstances()56 WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >& elementInstances() { return m_elementInstances; } elementInstances()57 const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> >& elementInstances() const { return m_elementInstances; } 58 instanceUpdatesBlocked()59 bool instanceUpdatesBlocked() const { return m_instancesUpdatesBlocked; } setInstanceUpdatesBlocked(bool value)60 void setInstanceUpdatesBlocked(bool value) { m_instancesUpdatesBlocked = value; } 61 cursorElement()62 SVGCursorElement* cursorElement() const { return m_cursorElement; } setCursorElement(SVGCursorElement * cursorElement)63 void setCursorElement(SVGCursorElement* cursorElement) { m_cursorElement = cursorElement; } 64 correspondingElement()65 SVGElement* correspondingElement() { return m_correspondingElement.get(); } setCorrespondingElement(SVGElement * correspondingElement)66 void setCorrespondingElement(SVGElement* correspondingElement) { m_correspondingElement = correspondingElement; } 67 cursorImageValue()68 CSSCursorImageValue* cursorImageValue() const { return m_cursorImageValue; } setCursorImageValue(CSSCursorImageValue * cursorImageValue)69 void setCursorImageValue(CSSCursorImageValue* cursorImageValue) { m_cursorImageValue = cursorImageValue; } 70 animatedSMILStyleProperties()71 MutableStylePropertySet* animatedSMILStyleProperties() const { return m_animatedSMILStyleProperties.get(); } 72 MutableStylePropertySet* ensureAnimatedSMILStyleProperties(); 73 74 RenderStyle* overrideComputedStyle(Element*, RenderStyle*); 75 useOverrideComputedStyle()76 bool useOverrideComputedStyle() const { return m_useOverrideComputedStyle; } setUseOverrideComputedStyle(bool value)77 void setUseOverrideComputedStyle(bool value) { m_useOverrideComputedStyle = value; } setNeedsOverrideComputedStyleUpdate()78 void setNeedsOverrideComputedStyleUpdate() { m_needsOverrideComputedStyleUpdate = true; } 79 80 void trace(Visitor*); 81 void processWeakMembers(Visitor*); 82 83 private: 84 #if ENABLE(OILPAN) 85 Member<SVGElement> m_owner; 86 #endif 87 SVGElementSet m_outgoingReferences; 88 SVGElementSet m_incomingReferences; 89 WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement> > m_elementInstances; 90 RawPtrWillBeWeakMember<SVGCursorElement> m_cursorElement; 91 RawPtrWillBeWeakMember<CSSCursorImageValue> m_cursorImageValue; 92 RefPtrWillBeMember<SVGElement> m_correspondingElement; 93 bool m_instancesUpdatesBlocked : 1; 94 bool m_useOverrideComputedStyle : 1; 95 bool m_needsOverrideComputedStyleUpdate : 1; 96 RefPtrWillBeMember<MutableStylePropertySet> m_animatedSMILStyleProperties; 97 RefPtr<RenderStyle> m_overrideComputedStyle; 98 }; 99 100 } 101 102 #endif 103