third_party/WebKit/Source/core/html/imports/HTMLImportsController.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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#ifndef HTMLImportsController_h
#define HTMLImportsController_h

#include "core/dom/Document.h"
#include "platform/heap/Handle.h"
#include "wtf/Allocator.h"
#include "wtf/Vector.h"

namespace blink {

class FetchRequest;
class HTMLImport;
class HTMLImportChild;
class HTMLImportChildClient;
class HTMLImportLoader;
class HTMLImportTreeRoot;
class KURL;

class HTMLImportsController final : public GarbageCollectedFinalized<HTMLImportsController>, public Supplement<Document> {
    USING_GARBAGE_COLLECTED_MIXIN(HTMLImportsController);
public:
    static const char* supplementName();
    static void provideTo(Document&);
    static void removeFrom(Document&);

    explicit HTMLImportsController(Document&);
    virtual ~HTMLImportsController();

    HTMLImportTreeRoot* root() const { return m_root.get(); }

    bool shouldBlockScriptExecution(const Document&) const;
    HTMLImportChild* load(HTMLImport* parent, HTMLImportChildClient*, FetchRequest);

    Document* master() const;

    HTMLImportLoader* createLoader();

    size_t loaderCount() const { return m_loaders.size(); }
    HTMLImportLoader* loaderAt(size_t i) const { return m_loaders[i].get(); }
    Document* loaderDocumentAt(size_t) const;
    HTMLImportLoader* loaderFor(const Document&) const;

    DECLARE_VIRTUAL_TRACE();

private:
    HTMLImportChild* createChild(const KURL&, HTMLImportLoader*, HTMLImport* parent, HTMLImportChildClient*);

    void dispose();

    Member<HTMLImportTreeRoot> m_root;
    using LoaderList = HeapVector<Member<HTMLImportLoader>>;
    LoaderList m_loaders;
};

} // namespace blink

#endif // HTMLImportsController_h