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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 LinkResource_h
#define LinkResource_h
#include "core/CoreExport.h"
#include "core/fetch/FetchRequest.h"
#include "platform/heap/Handle.h"
#include "platform/weborigin/KURL.h"
#include "wtf/text/WTFString.h"
namespace blink {
class HTMLLinkElement;
class LocalFrame;
class CORE_EXPORT LinkResource
: public GarbageCollectedFinalized<LinkResource> {
WTF_MAKE_NONCOPYABLE(LinkResource);
public:
enum LinkResourceType { Style, Import, Manifest, Other };
explicit LinkResource(HTMLLinkElement*);
virtual ~LinkResource();
bool shouldLoadResource() const;
LocalFrame* loadingFrame() const;
virtual LinkResourceType type() const = 0;
virtual void process() = 0;
virtual void ownerRemoved() {}
virtual void ownerInserted() {}
virtual bool hasLoaded() const = 0;
DECLARE_VIRTUAL_TRACE();
protected:
Member<HTMLLinkElement> m_owner;
};
class LinkRequestBuilder {
STACK_ALLOCATED();
public:
explicit LinkRequestBuilder(HTMLLinkElement* owner);
bool isValid() const { return !m_url.isEmpty() && m_url.isValid(); }
const KURL& url() const { return m_url; }
const AtomicString& charset() const { return m_charset; }
FetchRequest build(bool lowPriority) const;
private:
Member<HTMLLinkElement> m_owner;
KURL m_url;
AtomicString m_charset;
};
} // namespace blink
#endif // LinkResource_h
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