| /* |
| * Copyright (C) 2008, 2009, 2010 Apple Inc. All rights reserved. |
| * Copyright (C) 2008 David Smith <catfish.man@gmail.com> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef ElementRareData_h |
| #define ElementRareData_h |
| |
| #include "core/animation/ElementAnimations.h" |
| #include "core/css/cssom/InlineStylePropertyMap.h" |
| #include "core/dom/Attr.h" |
| #include "core/dom/CompositorProxiedPropertySet.h" |
| #include "core/dom/DatasetDOMStringMap.h" |
| #include "core/dom/NamedNodeMap.h" |
| #include "core/dom/NodeIntersectionObserverData.h" |
| #include "core/dom/NodeRareData.h" |
| #include "core/dom/PseudoElement.h" |
| #include "core/dom/PseudoElementData.h" |
| #include "core/dom/custom/CustomElementDefinition.h" |
| #include "core/dom/custom/V0CustomElementDefinition.h" |
| #include "core/dom/shadow/ElementShadow.h" |
| #include "core/html/ClassList.h" |
| #include "core/style/StyleInheritedData.h" |
| #include "platform/heap/Handle.h" |
| #include "wtf/HashSet.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class HTMLElement; |
| class CompositorProxiedPropertySet; |
| class ResizeObservation; |
| class ResizeObserver; |
| |
| class ElementRareData : public NodeRareData { |
| public: |
| static ElementRareData* create(LayoutObject* layoutObject) |
| { |
| return new ElementRareData(layoutObject); |
| } |
| |
| ~ElementRareData(); |
| |
| void setPseudoElement(PseudoId, PseudoElement*); |
| PseudoElement* pseudoElement(PseudoId) const; |
| |
| short tabIndex() const { return m_tabindex; } |
| |
| void setTabIndexExplicitly(short index) |
| { |
| m_tabindex = index; |
| setElementFlag(TabIndexWasSetExplicitly, true); |
| } |
| |
| void clearTabIndexExplicitly() |
| { |
| m_tabindex = 0; |
| clearElementFlag(TabIndexWasSetExplicitly); |
| } |
| |
| CSSStyleDeclaration& ensureInlineCSSStyleDeclaration(Element* ownerElement); |
| InlineStylePropertyMap& ensureInlineStylePropertyMap(Element* ownerElement); |
| |
| InlineStylePropertyMap* inlineStylePropertyMap() { return m_cssomMapWrapper.get(); } |
| |
| void clearShadow() { m_shadow = nullptr; } |
| ElementShadow* shadow() const { return m_shadow.get(); } |
| ElementShadow& ensureShadow() |
| { |
| if (!m_shadow) |
| m_shadow = ElementShadow::create(); |
| return *m_shadow; |
| } |
| |
| NamedNodeMap* attributeMap() const { return m_attributeMap.get(); } |
| void setAttributeMap(NamedNodeMap* attributeMap) { m_attributeMap = attributeMap; } |
| |
| ComputedStyle* computedStyle() const { return m_computedStyle.get(); } |
| void setComputedStyle(PassRefPtr<ComputedStyle> computedStyle) { m_computedStyle = computedStyle; } |
| void clearComputedStyle() { m_computedStyle = nullptr; } |
| |
| ClassList* classList() const { return m_classList.get(); } |
| void setClassList(ClassList* classList) { m_classList = classList; } |
| void clearClassListValueForQuirksMode() |
| { |
| if (!m_classList) |
| return; |
| m_classList->clearValueForQuirksMode(); |
| } |
| |
| DatasetDOMStringMap* dataset() const { return m_dataset.get(); } |
| void setDataset(DatasetDOMStringMap* dataset) { m_dataset = dataset; } |
| |
| LayoutSize minimumSizeForResizing() const { return m_minimumSizeForResizing; } |
| void setMinimumSizeForResizing(LayoutSize size) { m_minimumSizeForResizing = size; } |
| |
| IntSize savedLayerScrollOffset() const { return m_savedLayerScrollOffset; } |
| void setSavedLayerScrollOffset(IntSize size) { m_savedLayerScrollOffset = size; } |
| |
| ElementAnimations* elementAnimations() { return m_elementAnimations.get(); } |
| void setElementAnimations(ElementAnimations* elementAnimations) |
| { |
| m_elementAnimations = elementAnimations; |
| } |
| |
| bool hasPseudoElements() const; |
| void clearPseudoElements(); |
| |
| void incrementCompositorProxiedProperties(uint32_t properties); |
| void decrementCompositorProxiedProperties(uint32_t properties); |
| CompositorProxiedPropertySet* proxiedPropertyCounts() const { return m_proxiedProperties.get(); } |
| |
| void v0SetCustomElementDefinition(V0CustomElementDefinition* definition) { m_v0CustomElementDefinition = definition; } |
| V0CustomElementDefinition* v0CustomElementDefinition() const { return m_v0CustomElementDefinition.get(); } |
| |
| void setCustomElementDefinition(CustomElementDefinition* definition) { m_customElementDefinition = definition; } |
| CustomElementDefinition* customElementDefinition() const { return m_customElementDefinition.get(); } |
| |
| |
| AttrNodeList& ensureAttrNodeList(); |
| AttrNodeList* attrNodeList() { return m_attrNodeList.get(); } |
| void removeAttrNodeList() { m_attrNodeList.clear(); } |
| |
| NodeIntersectionObserverData* intersectionObserverData() const { return m_intersectionObserverData.get(); } |
| NodeIntersectionObserverData& ensureIntersectionObserverData() |
| { |
| if (!m_intersectionObserverData) |
| m_intersectionObserverData = new NodeIntersectionObserverData(); |
| return *m_intersectionObserverData; |
| } |
| |
| using ResizeObserverDataMap = HeapHashMap<Member<ResizeObserver>, Member<ResizeObservation>>; |
| |
| ResizeObserverDataMap* resizeObserverData() const { return m_resizeObserverData; } |
| ResizeObserverDataMap& ensureResizeObserverData(); |
| |
| DECLARE_TRACE_AFTER_DISPATCH(); |
| |
| DECLARE_TRACE_WRAPPERS_AFTER_DISPATCH(); |
| |
| private: |
| CompositorProxiedPropertySet& ensureCompositorProxiedPropertySet(); |
| void clearCompositorProxiedPropertySet() { m_proxiedProperties = nullptr; } |
| |
| short m_tabindex; |
| |
| LayoutSize m_minimumSizeForResizing; |
| IntSize m_savedLayerScrollOffset; |
| |
| Member<DatasetDOMStringMap> m_dataset; |
| Member<ElementShadow> m_shadow; |
| Member<ClassList> m_classList; |
| Member<NamedNodeMap> m_attributeMap; |
| Member<AttrNodeList> m_attrNodeList; |
| Member<InlineCSSStyleDeclaration> m_cssomWrapper; |
| Member<InlineStylePropertyMap> m_cssomMapWrapper; |
| std::unique_ptr<CompositorProxiedPropertySet> m_proxiedProperties; |
| |
| Member<ElementAnimations> m_elementAnimations; |
| Member<NodeIntersectionObserverData> m_intersectionObserverData; |
| Member<ResizeObserverDataMap> m_resizeObserverData; |
| |
| RefPtr<ComputedStyle> m_computedStyle; |
| // TODO(davaajav):remove this field when v0 custom elements are deprecated |
| Member<V0CustomElementDefinition> m_v0CustomElementDefinition; |
| Member<CustomElementDefinition> m_customElementDefinition; |
| |
| Member<PseudoElementData> m_pseudoElementData; |
| |
| explicit ElementRareData(LayoutObject*); |
| }; |
| |
| inline LayoutSize defaultMinimumSizeForResizing() |
| { |
| return LayoutSize(LayoutUnit::max(), LayoutUnit::max()); |
| } |
| |
| inline ElementRareData::ElementRareData(LayoutObject* layoutObject) |
| : NodeRareData(layoutObject) |
| , m_tabindex(0) |
| , m_minimumSizeForResizing(defaultMinimumSizeForResizing()) |
| , m_classList(nullptr) |
| { |
| m_isElementRareData = true; |
| } |
| |
| inline ElementRareData::~ElementRareData() |
| { |
| DCHECK(!m_pseudoElementData); |
| } |
| |
| inline bool ElementRareData::hasPseudoElements() const |
| { |
| return (m_pseudoElementData && m_pseudoElementData->hasPseudoElements()); |
| } |
| |
| inline void ElementRareData::clearPseudoElements() |
| { |
| if (m_pseudoElementData) { |
| m_pseudoElementData->clearPseudoElements(); |
| m_pseudoElementData.clear(); |
| } |
| } |
| |
| inline void ElementRareData::setPseudoElement(PseudoId pseudoId, PseudoElement* element) |
| { |
| if (!m_pseudoElementData) |
| m_pseudoElementData = PseudoElementData::create(); |
| m_pseudoElementData->setPseudoElement(pseudoId, element); |
| } |
| |
| inline PseudoElement* ElementRareData::pseudoElement(PseudoId pseudoId) const |
| { |
| if (!m_pseudoElementData) |
| return nullptr; |
| return m_pseudoElementData->pseudoElement(pseudoId); |
| } |
| |
| inline void ElementRareData::incrementCompositorProxiedProperties(uint32_t properties) |
| { |
| ensureCompositorProxiedPropertySet().increment(properties); |
| } |
| |
| inline void ElementRareData::decrementCompositorProxiedProperties(uint32_t properties) |
| { |
| m_proxiedProperties->decrement(properties); |
| if (m_proxiedProperties->isEmpty()) |
| clearCompositorProxiedPropertySet(); |
| } |
| |
| inline CompositorProxiedPropertySet& ElementRareData::ensureCompositorProxiedPropertySet() |
| { |
| if (!m_proxiedProperties) |
| m_proxiedProperties = CompositorProxiedPropertySet::create(); |
| return *m_proxiedProperties; |
| } |
| |
| } // namespace blink |
| |
| #endif // ElementRareData_h |