Source/core/dom/custom/CustomElementMicrotaskImportStep.h

/*
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#ifndef CustomElementMicrotaskImportStep_h
#define CustomElementMicrotaskImportStep_h

#include "core/dom/custom/CustomElementMicrotaskStep.h"
#include "wtf/Noncopyable.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/WeakPtr.h"

namespace WebCore {

class CustomElementMicrotaskQueue;
class HTMLImportChild;

// Processes the Custom Elements in an HTML Import. This is a
// composite step which processes the Custom Elements created by
// parsing the import, and its sub-imports.
//
// This step blocks further Custom Element microtask processing if its
// import isn't "ready" (finished parsing and running script.)
class CustomElementMicrotaskImportStep : public CustomElementMicrotaskStep {
    WTF_MAKE_NONCOPYABLE(CustomElementMicrotaskImportStep);
public:
    static PassOwnPtr<CustomElementMicrotaskImportStep> create(HTMLImportChild*);
    virtual ~CustomElementMicrotaskImportStep();

    // API for HTML Imports
    void importDidFinishLoading();
    WeakPtr<CustomElementMicrotaskImportStep> weakPtr() { return m_weakFactory.createWeakPtr(); }

private:
    CustomElementMicrotaskImportStep(HTMLImportChild*);

    void didUpgradeAllCustomElements();
    bool shouldWaitForImport() const;
    bool shouldStopProcessing() const;

    // CustomElementMicrotaskStep
    virtual Result process() OVERRIDE FINAL;

#if !defined(NDEBUG)
    virtual void show(unsigned indent) OVERRIDE;
#endif
    WeakPtr<HTMLImportChild> m_import;
    RefPtr<CustomElementMicrotaskQueue> m_queue;
    WeakPtrFactory<CustomElementMicrotaskImportStep> m_weakFactory;
};

}

#endif // CustomElementMicrotaskImportStep_h