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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_V0_CUSTOM_ELEMENT_UPGRADE_CANDIDATE_MAP_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_V0_CUSTOM_ELEMENT_UPGRADE_CANDIDATE_MAP_H_
#include "base/macros.h"
#include "third_party/blink/renderer/core/html/custom/v0_custom_element_descriptor.h"
#include "third_party/blink/renderer/core/html/custom/v0_custom_element_descriptor_hash.h"
#include "third_party/blink/renderer/core/html/custom/v0_custom_element_observer.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "third_party/blink/renderer/platform/wtf/linked_hash_set.h"
namespace blink {
class V0CustomElementUpgradeCandidateMap final
: public V0CustomElementObserver {
public:
static V0CustomElementUpgradeCandidateMap* Create();
V0CustomElementUpgradeCandidateMap() = default;
~V0CustomElementUpgradeCandidateMap() override;
// API for V0CustomElementRegistrationContext to save and take candidates
typedef HeapLinkedHashSet<WeakMember<Element>> ElementSet;
void Add(const V0CustomElementDescriptor&, Element*);
ElementSet* TakeUpgradeCandidatesFor(const V0CustomElementDescriptor&);
void Trace(Visitor*) override;
private:
void ElementWasDestroyed(Element*) override;
typedef HeapHashMap<WeakMember<Element>, V0CustomElementDescriptor>
UpgradeCandidateMap;
UpgradeCandidateMap upgrade_candidates_;
typedef HeapHashMap<V0CustomElementDescriptor, Member<ElementSet>>
UnresolvedDefinitionMap;
UnresolvedDefinitionMap unresolved_definitions_;
DISALLOW_COPY_AND_ASSIGN(V0CustomElementUpgradeCandidateMap);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_V0_CUSTOM_ELEMENT_UPGRADE_CANDIDATE_MAP_H_