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31 #ifndef HTMLImportChild_h
32 #define HTMLImportChild_h
34 #include "core/html/imports/HTMLImport.h"
35 #include "platform/heap/Handle.h"
36 #include "platform/weborigin/KURL.h"
37 #include "wtf/Vector.h"
38 #include "wtf/WeakPtr.h"
42 class CustomElementMicrotaskImportStep;
43 class HTMLImportLoader;
44 class HTMLImportChildClient;
45 class HTMLLinkElement;
48 // An import tree node subclas to encapsulate imported document
49 // lifecycle. This class is owned by HTMLImportsController. The actual loading
50 // is done by HTMLImportLoader, which can be shared among multiple
51 // HTMLImportChild of same link URL.
53 class HTMLImportChild FINAL : public HTMLImport {
55 HTMLImportChild(const KURL&, HTMLImportLoader*, SyncMode);
56 virtual ~HTMLImportChild();
58 HTMLLinkElement* link() const;
59 const KURL& url() const { return m_url; }
62 void didShareLoader();
63 void didStartLoading();
65 void importDestroyed();
66 WeakPtr<HTMLImportChild> weakPtr() { return m_weakFactory.createWeakPtr(); }
70 virtual Document* document() const OVERRIDE;
71 virtual bool isDone() const OVERRIDE;
72 virtual HTMLImportLoader* loader() const OVERRIDE;
73 virtual void stateWillChange() OVERRIDE;
74 virtual void stateDidChange() OVERRIDE;
75 virtual void trace(Visitor*) OVERRIDE;
78 virtual void showThis() OVERRIDE;
81 void setClient(HTMLImportChildClient*);
86 void didFinishLoading();
87 void didFinishUpgradingCustomElements();
93 void createCustomElementMicrotaskStepIfNeeded();
96 WeakPtrWillBeWeakMember<CustomElementMicrotaskImportStep> m_customElementMicrotaskStep;
98 WeakPtrFactory<HTMLImportChild> m_weakFactory;
100 RawPtrWillBeMember<HTMLImportLoader> m_loader;
101 RawPtrWillBeMember<HTMLImportChildClient> m_client;
104 inline HTMLImportChild* toHTMLImportChild(HTMLImport* import)
106 ASSERT(!import || !import->isRoot());
107 return static_cast<HTMLImportChild*>(import);
110 } // namespace WebCore
112 #endif // HTMLImportChild_h