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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 THIRD_PARTY_BLINK_RENDERER_CORE_HTML_LINK_RESOURCE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_LINK_RESOURCE_H_
#include "base/macros.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/text/text_encoding.h"
namespace blink {
class Document;
class HTMLLinkElement;
class LocalFrame;
class CORE_EXPORT LinkResource
: public GarbageCollectedFinalized<LinkResource> {
public:
enum LinkResourceType { kStyle, kImport, kManifest, kOther };
explicit LinkResource(HTMLLinkElement*);
virtual ~LinkResource();
bool ShouldLoadResource() const;
LocalFrame* LoadingFrame() const;
virtual LinkResourceType GetType() const = 0;
virtual void Process() = 0;
virtual void OwnerRemoved() {}
virtual void OwnerInserted() {}
virtual bool HasLoaded() const = 0;
virtual void Trace(Visitor*);
protected:
void Load();
Document& GetDocument();
const Document& GetDocument() const;
WTF::TextEncoding GetCharset() const;
Member<HTMLLinkElement> owner_;
DISALLOW_COPY_AND_ASSIGN(LinkResource);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_LINK_RESOURCE_H_