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 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * 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
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#ifndef HTMLImportResourceOwner_h
#define HTMLImportResourceOwner_h

#include "core/fetch/RawResource.h"
#include "core/fetch/ResourcePtr.h"

namespace WebCore {

// A RawResourceClient implenetation which is responsible for
// owning RawResource object and adding/removing itself as a client
// according to its lifetime.
//
// FIXME: This could be geneeric ResouceOwner<ResourceType> once it is
// found that this class is broadly useful even outside HTMLImports module.
//
class HTMLImportResourceOwner : public RawResourceClient {
public:
    HTMLImportResourceOwner();
    virtual ~HTMLImportResourceOwner();

protected:
    const ResourcePtr<RawResource>& resource() const { return m_resource; }

    void setResource(const ResourcePtr<RawResource>&);
    void clearResource();
    bool hasResource() const { return m_resource.get(); }

private:
    ResourcePtr<RawResource> m_resource;
};

} // namespace WebCore

#endif // HTMLImportResourceOwner_h