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80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "config.h"
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#include "core/dom/custom/CustomElementMicrotaskRunQueue.h"
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#include "base/bind.h"
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#include "core/dom/Microtask.h"
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#include "core/dom/custom/CustomElementAsyncImportMicrotaskQueue.h"
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#include "core/dom/custom/CustomElementSyncMicrotaskQueue.h"
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#include "core/html/imports/HTMLImportLoader.h"
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#include <stdio.h>
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namespace blink {
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DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(CustomElementMicrotaskRunQueue)
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CustomElementMicrotaskRunQueue::CustomElementMicrotaskRunQueue()
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: m_syncQueue(CustomElementSyncMicrotaskQueue::create())
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, m_asyncQueue(CustomElementAsyncImportMicrotaskQueue::create())
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, m_dispatchIsPending(false)
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, m_weakFactory(this)
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{
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}
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void CustomElementMicrotaskRunQueue::enqueue(HTMLImportLoader* parentLoader, PassOwnPtrWillBeRawPtr<CustomElementMicrotaskStep> step, bool importIsSync)
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{
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if (importIsSync) {
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if (parentLoader)
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parentLoader->microtaskQueue()->enqueue(step);
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else
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m_syncQueue->enqueue(step);
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} else {
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m_asyncQueue->enqueue(step);
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}
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requestDispatchIfNeeded();
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}
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void CustomElementMicrotaskRunQueue::requestDispatchIfNeeded()
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{
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if (m_dispatchIsPending || isEmpty())
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return;
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Microtask::enqueueMicrotask(base::Bind(&CustomElementMicrotaskRunQueue::dispatch, m_weakFactory.GetWeakPtr()));
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m_dispatchIsPending = true;
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}
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void CustomElementMicrotaskRunQueue::trace(Visitor* visitor)
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{
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visitor->trace(m_syncQueue);
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visitor->trace(m_asyncQueue);
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}
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void CustomElementMicrotaskRunQueue::dispatch()
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{
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m_dispatchIsPending = false;
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m_syncQueue->dispatch();
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if (m_syncQueue->isEmpty())
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m_asyncQueue->dispatch();
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}
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bool CustomElementMicrotaskRunQueue::isEmpty() const
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{
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return m_syncQueue->isEmpty() && m_asyncQueue->isEmpty();
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}
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#if !defined(NDEBUG)
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void CustomElementMicrotaskRunQueue::show(unsigned indent)
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{
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fprintf(stderr, "Sync:\n");
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m_syncQueue->show(indent);
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fprintf(stderr, "Async:\n");
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m_asyncQueue->show(indent);
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}
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#endif
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} // namespace blink
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