| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef ShadowRootRareData_h |
| #define ShadowRootRareData_h |
| |
| #include "core/dom/shadow/InsertionPoint.h" |
| #include "core/html/HTMLSlotElement.h" |
| #include "wtf/Vector.h" |
| |
| namespace blink { |
| |
| class ShadowRootRareData : public GarbageCollected<ShadowRootRareData> { |
| public: |
| ShadowRootRareData() |
| : m_childShadowRootCount(0) |
| , m_descendantSlotCount(0) |
| { |
| } |
| |
| bool containsShadowRoots() const { return m_childShadowRootCount; } |
| |
| void didAddChildShadowRoot() { ++m_childShadowRootCount; } |
| void didRemoveChildShadowRoot() { DCHECK_GT(m_childShadowRootCount, 0u); --m_childShadowRootCount; } |
| |
| unsigned childShadowRootCount() const { return m_childShadowRootCount; } |
| |
| StyleSheetList* styleSheets() { return m_styleSheetList.get(); } |
| void setStyleSheets(StyleSheetList* styleSheetList) { m_styleSheetList = styleSheetList; } |
| |
| void didAddSlot() { ++m_descendantSlotCount; } |
| void didRemoveSlot() { DCHECK_GT(m_descendantSlotCount, 0u); --m_descendantSlotCount; } |
| |
| unsigned descendantSlotCount() const { return m_descendantSlotCount; } |
| |
| const HeapVector<Member<HTMLSlotElement>>& descendantSlots() const { return m_descendantSlots; } |
| |
| void setDescendantSlots(HeapVector<Member<HTMLSlotElement>>& slots) { m_descendantSlots.swap(slots); } |
| void clearDescendantSlots() { m_descendantSlots.clear(); } |
| |
| DEFINE_INLINE_TRACE() |
| { |
| visitor->trace(m_styleSheetList); |
| visitor->trace(m_descendantSlots); |
| } |
| |
| private: |
| unsigned m_childShadowRootCount; |
| Member<StyleSheetList> m_styleSheetList; |
| unsigned m_descendantSlotCount; |
| HeapVector<Member<HTMLSlotElement>> m_descendantSlots; |
| }; |
| |
| } // namespace blink |
| |
| #endif |