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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef HTMLImportChild_h
#define HTMLImportChild_h
#include "core/html/imports/HTMLImport.h"
#include "platform/heap/Handle.h"
#include "platform/weborigin/KURL.h"
#include "wtf/Vector.h"
#include "wtf/WeakPtr.h"
namespace WebCore {
class CustomElementMicrotaskImportStep;
class HTMLImportLoader;
class HTMLImportChildClient;
class HTMLLinkElement;
//
// An import tree node subclas to encapsulate imported document
// lifecycle. This class is owned by HTMLImportsController. The actual loading
// is done by HTMLImportLoader, which can be shared among multiple
// HTMLImportChild of same link URL.
//
class HTMLImportChild FINAL : public HTMLImport {
public:
HTMLImportChild(const KURL&, HTMLImportLoader*, SyncMode);
virtual ~HTMLImportChild();
HTMLLinkElement* link() const;
const KURL& url() const { return m_url; }
void ownerInserted();
void didShareLoader();
void didStartLoading();
#if !ENABLE(OILPAN)
void importDestroyed();
WeakPtr<HTMLImportChild> weakPtr() { return m_weakFactory.createWeakPtr(); }
#endif
// HTMLImport
virtual Document* document() const OVERRIDE;
virtual bool isDone() const OVERRIDE;
virtual HTMLImportLoader* loader() const OVERRIDE;
virtual void stateWillChange() OVERRIDE;
virtual void stateDidChange() OVERRIDE;
virtual void trace(Visitor*) OVERRIDE;
#if !defined(NDEBUG)
virtual void showThis() OVERRIDE;
#endif
void setClient(HTMLImportChildClient*);
#if !ENABLE(OILPAN)
void clearClient();
#endif
void didFinishLoading();
void didFinishUpgradingCustomElements();
void normalize();
private:
void didFinish();
void shareLoader();
void createCustomElementMicrotaskStepIfNeeded();
KURL m_url;
WeakPtrWillBeWeakMember<CustomElementMicrotaskImportStep> m_customElementMicrotaskStep;
#if !ENABLE(OILPAN)
WeakPtrFactory<HTMLImportChild> m_weakFactory;
#endif
RawPtrWillBeMember<HTMLImportLoader> m_loader;
RawPtrWillBeMember<HTMLImportChildClient> m_client;
};
inline HTMLImportChild* toHTMLImportChild(HTMLImport* import)
{
ASSERT(!import || !import->isRoot());
return static_cast<HTMLImportChild*>(import);
}
} // namespace WebCore
#endif // HTMLImportChild_h
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