third_party/WebKit/Source/core/svg/SVGElementRareData.h

   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 "platform/heap/Handle.h"
  25 #include "wtf/HashSet.h"
  26 #include "wtf/Noncopyable.h"
  27 #include "wtf/StdLibExtras.h"
  28
  29 namespace blink {
  30
  31 class CSSCursorImageValue;
  32 class SVGCursorElement;
  33
  34 class SVGElementRareData : public NoBaseWillBeGarbageCollectedFinalized<SVGElementRareData> {
  35     WTF_MAKE_NONCOPYABLE(SVGElementRareData); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(SVGElementRareData);
  36 public:
  37     SVGElementRareData(SVGElement* owner)
  38 #if ENABLE(OILPAN)
  39         : m_owner(owner)
  40         , m_cursorElement(nullptr)
  41 #else
  42         : m_cursorElement(nullptr)
  43 #endif
  44         , m_cursorImageValue(nullptr)
  45         , m_correspondingElement(nullptr)
  46         , m_instancesUpdatesBlocked(false)
  47         , m_useOverrideComputedStyle(false)
  48         , m_needsOverrideComputedStyleUpdate(false)
  49     {
  50     }
  51
  52     SVGElementSet& outgoingReferences() { return m_outgoingReferences; }
  53     const SVGElementSet& outgoingReferences() const { return m_outgoingReferences; }
  54     SVGElementSet& incomingReferences() { return m_incomingReferences; }
  55     const SVGElementSet& incomingReferences() const { return m_incomingReferences; }
  56
  57     WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement>>& elementInstances() { return m_elementInstances; }
  58     const WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement>>& elementInstances() const { return m_elementInstances; }
  59
  60     bool instanceUpdatesBlocked() const { return m_instancesUpdatesBlocked; }
  61     void setInstanceUpdatesBlocked(bool value) { m_instancesUpdatesBlocked = value; }
  62
  63     SVGCursorElement* cursorElement() const { return m_cursorElement; }
  64     void setCursorElement(SVGCursorElement* cursorElement) { m_cursorElement = cursorElement; }
  65
  66     SVGElement* correspondingElement() { return m_correspondingElement.get(); }
  67     void setCorrespondingElement(SVGElement* correspondingElement) { m_correspondingElement = correspondingElement; }
  68
  69     CSSCursorImageValue* cursorImageValue() const { return m_cursorImageValue; }
  70     void setCursorImageValue(CSSCursorImageValue* cursorImageValue) { m_cursorImageValue = cursorImageValue; }
  71
  72     MutableStylePropertySet* animatedSMILStyleProperties() const { return m_animatedSMILStyleProperties.get(); }
  73     MutableStylePropertySet* ensureAnimatedSMILStyleProperties();
  74
  75     ComputedStyle* overrideComputedStyle(Element*, const ComputedStyle*);
  76
  77     bool useOverrideComputedStyle() const { return m_useOverrideComputedStyle; }
  78     void setUseOverrideComputedStyle(bool value) { m_useOverrideComputedStyle = value; }
  79     void setNeedsOverrideComputedStyleUpdate() { m_needsOverrideComputedStyleUpdate = true; }
  80
  81     AffineTransform* animateMotionTransform();
  82
  83     DECLARE_TRACE();
  84     void processWeakMembers(Visitor*);
  85
  86 private:
  87 #if ENABLE(OILPAN)
  88     Member<SVGElement> m_owner;
  89 #endif
  90     SVGElementSet m_outgoingReferences;
  91     SVGElementSet m_incomingReferences;
  92     WillBeHeapHashSet<RawPtrWillBeWeakMember<SVGElement>> m_elementInstances;
  93     RawPtrWillBeWeakMember<SVGCursorElement> m_cursorElement;
  94     RawPtrWillBeWeakMember<CSSCursorImageValue> m_cursorImageValue;
  95     RefPtrWillBeMember<SVGElement> m_correspondingElement;
  96     bool m_instancesUpdatesBlocked : 1;
  97     bool m_useOverrideComputedStyle : 1;
  98     bool m_needsOverrideComputedStyleUpdate : 1;
  99     RefPtrWillBeMember<MutableStylePropertySet> m_animatedSMILStyleProperties;
 100     RefPtr<ComputedStyle> m_overrideComputedStyle;
 101     // Used by <animateMotion>
 102     OwnPtr<AffineTransform> m_animateMotionTransform;
 103 };
 104
 105 }
 106
 107 #endif