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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "core/html/imports/HTMLImportTreeRoot.h"
#include "core/dom/Document.h"
#include "core/dom/StyleEngine.h"
#include "core/frame/LocalFrame.h"
#include "core/html/imports/HTMLImportChild.h"
namespace WebCore {
PassOwnPtrWillBeRawPtr<HTMLImportTreeRoot> HTMLImportTreeRoot::create(Document* document)
{
return adoptPtrWillBeNoop(new HTMLImportTreeRoot(document));
}
HTMLImportTreeRoot::HTMLImportTreeRoot(Document* document)
: HTMLImport(HTMLImport::Sync)
, m_document(document)
, m_recalcTimer(this, &HTMLImportTreeRoot::recalcTimerFired)
{
recalcTreeState(this); // This recomputes initial state.
}
HTMLImportTreeRoot::~HTMLImportTreeRoot()
{
#if !ENABLE(OILPAN)
for (size_t i = 0; i < m_imports.size(); ++i)
m_imports[i]->importDestroyed();
m_imports.clear();
m_document = nullptr;
#endif
}
Document* HTMLImportTreeRoot::document() const
{
return m_document;
}
bool HTMLImportTreeRoot::isDone() const
{
return !m_document->parsing() && m_document->styleEngine()->haveStylesheetsLoaded();
}
void HTMLImportTreeRoot::stateWillChange()
{
scheduleRecalcState();
}
void HTMLImportTreeRoot::stateDidChange()
{
HTMLImport::stateDidChange();
if (!state().isReady())
return;
if (LocalFrame* frame = m_document->frame())
frame->loader().checkCompleted();
}
void HTMLImportTreeRoot::scheduleRecalcState()
{
#if ENABLE(OILPAN)
ASSERT(m_document);
if (m_recalcTimer.isActive() || !m_document->isActive())
return;
#else
if (m_recalcTimer.isActive() || !m_document)
return;
#endif
m_recalcTimer.startOneShot(0, FROM_HERE);
}
HTMLImportChild* HTMLImportTreeRoot::add(PassOwnPtrWillBeRawPtr<HTMLImportChild> child)
{
m_imports.append(child);
return m_imports.last().get();
}
HTMLImportChild* HTMLImportTreeRoot::find(const KURL& url) const
{
for (size_t i = 0; i < m_imports.size(); ++i) {
HTMLImportChild* candidate = m_imports[i].get();
if (equalIgnoringFragmentIdentifier(candidate->url(), url))
return candidate;
}
return 0;
}
void HTMLImportTreeRoot::recalcTimerFired(Timer<HTMLImportTreeRoot>*)
{
ASSERT(m_document);
do {
m_recalcTimer.stop();
HTMLImport::recalcTreeState(this);
} while (m_recalcTimer.isActive());
}
void HTMLImportTreeRoot::trace(Visitor* visitor)
{
visitor->trace(m_document);
visitor->trace(m_imports);
HTMLImport::trace(visitor);
}
}
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