mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
89db30494d
We now use List<Node> instead, which is more idiomatic. R=ojan@chromium.org Review URL: https://codereview.chromium.org/941913002
112 lines
4.2 KiB
C++
112 lines
4.2 KiB
C++
/*
|
|
* Copyright (C) 2012 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 SKY_ENGINE_CORE_DOM_SHADOW_INSERTIONPOINT_H_
|
|
#define SKY_ENGINE_CORE_DOM_SHADOW_INSERTIONPOINT_H_
|
|
|
|
#include "sky/engine/core/css/CSSSelectorList.h"
|
|
#include "sky/engine/core/dom/shadow/ContentDistribution.h"
|
|
#include "sky/engine/core/dom/shadow/ShadowRoot.h"
|
|
#include "sky/engine/core/html/HTMLElement.h"
|
|
|
|
namespace blink {
|
|
|
|
class InsertionPoint : public HTMLElement {
|
|
public:
|
|
virtual ~InsertionPoint();
|
|
|
|
bool hasDistribution() const { return !m_distribution.isEmpty(); }
|
|
void setDistribution(ContentDistribution&);
|
|
void clearDistribution() { m_distribution.clear(); }
|
|
bool isActive() const;
|
|
bool canBeActive() const;
|
|
|
|
bool isContentInsertionPoint() const;
|
|
|
|
Vector<RefPtr<Node>> getDistributedNodes();
|
|
|
|
virtual bool canAffectSelector() const { return false; }
|
|
|
|
void attachDistribution(const AttachContext&);
|
|
void detachDistribution(const AttachContext&);
|
|
|
|
bool shouldUseFallbackElements() const;
|
|
|
|
size_t size() const { return m_distribution.size(); }
|
|
Node* at(size_t index) const { return m_distribution.at(index).get(); }
|
|
Node* first() const { return m_distribution.isEmpty() ? 0 : m_distribution.first().get(); }
|
|
Node* last() const { return m_distribution.isEmpty() ? 0 : m_distribution.last().get(); }
|
|
Node* nextTo(const Node* node) const { return m_distribution.nextTo(node); }
|
|
Node* previousTo(const Node* node) const { return m_distribution.previousTo(node); }
|
|
|
|
void willRecalcStyle(StyleRecalcChange);
|
|
|
|
protected:
|
|
InsertionPoint(const QualifiedName&, Document&);
|
|
virtual void childrenChanged(const ChildrenChange&) override;
|
|
virtual void insertedInto(ContainerNode*) override;
|
|
virtual void removedFrom(ContainerNode*) override;
|
|
|
|
private:
|
|
bool isInsertionPoint() const = delete; // This will catch anyone doing an unnecessary check.
|
|
|
|
ContentDistribution m_distribution;
|
|
bool m_registeredWithShadowRoot;
|
|
};
|
|
|
|
typedef Vector<RefPtr<InsertionPoint> > DestinationInsertionPoints;
|
|
|
|
DEFINE_ELEMENT_TYPE_CASTS(InsertionPoint, isInsertionPoint());
|
|
|
|
inline bool isActiveInsertionPoint(const Node& node)
|
|
{
|
|
return node.isInsertionPoint() && toInsertionPoint(node).isActive();
|
|
}
|
|
|
|
inline ElementShadow* shadowWhereNodeCanBeDistributed(const Node& node)
|
|
{
|
|
Node* parent = node.parentNode();
|
|
if (!parent)
|
|
return 0;
|
|
if (isActiveInsertionPoint(*parent))
|
|
return node.shadowHost()->shadow();
|
|
if (parent->isElementNode())
|
|
return toElement(parent)->shadow();
|
|
return 0;
|
|
}
|
|
|
|
const InsertionPoint* resolveReprojection(const Node*);
|
|
|
|
void collectDestinationInsertionPoints(const Node&, Vector<RawPtr<InsertionPoint>, 8>& results);
|
|
|
|
} // namespace blink
|
|
|
|
#endif // SKY_ENGINE_CORE_DOM_SHADOW_INSERTIONPOINT_H_
|