sky/engine/core/dom/custom/CustomElementMicrotaskImportStep.cpp

/*
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#include "sky/engine/config.h"
#include "sky/engine/core/dom/custom/CustomElementMicrotaskImportStep.h"

#include <stdio.h>
#include "sky/engine/core/dom/custom/CustomElementMicrotaskDispatcher.h"
#include "sky/engine/core/dom/custom/CustomElementSyncMicrotaskQueue.h"
#include "sky/engine/core/html/imports/HTMLImportChild.h"
#include "sky/engine/core/html/imports/HTMLImportLoader.h"

namespace blink {

PassOwnPtr<CustomElementMicrotaskImportStep> CustomElementMicrotaskImportStep::create(HTMLImportChild* import)
{
    return adoptPtr(new CustomElementMicrotaskImportStep(import));
}

CustomElementMicrotaskImportStep::CustomElementMicrotaskImportStep(HTMLImportChild* import)
#if ENABLE(OILPAN)
    : m_import(import)
#else
    : m_import(import->weakPtr())
    , m_weakFactory(this)
#endif
    , m_queue(import->loader()->microtaskQueue())
{
}

CustomElementMicrotaskImportStep::~CustomElementMicrotaskImportStep()
{
}

void CustomElementMicrotaskImportStep::invalidate()
{
    m_queue = CustomElementSyncMicrotaskQueue::create();
    m_import.clear();
}

bool CustomElementMicrotaskImportStep::shouldWaitForImport() const
{
    return m_import && !m_import->loader()->isDone();
}

void CustomElementMicrotaskImportStep::didUpgradeAllCustomElements()
{
    ASSERT(m_queue);
    if (m_import)
        m_import->didFinishUpgradingCustomElements();
}

CustomElementMicrotaskStep::Result CustomElementMicrotaskImportStep::process()
{
    m_queue->dispatch();
    if (!m_queue->isEmpty() || shouldWaitForImport())
        return Processing;

    didUpgradeAllCustomElements();
    return FinishedProcessing;
}

} // namespace blink