svg_resource_document_content.h | Explore in Territory

/*
    Copyright (C) 2010 Rob Buis <[email protected]>
    Copyright (C) 2011 Cosmin Truta <[email protected]>
    Copyright (C) 2012 University of Szeged
    Copyright (C) 2012 Renata Hodovan <[email protected]>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_RESOURCE_DOCUMENT_CONTENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_RESOURCE_DOCUMENT_CONTENT_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_hash_set.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_status.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"

namespace base {
class SingleThreadTaskRunner;
}  // namespace base

namespace blink {

class AgentGroupScheduler;
class Document;
class FetchParameters;
class IsolatedSVGDocumentHost;
class KURL;
class SVGResourceDocumentObserver;

struct SVGResourceTarget;

// Representation of an SVG resource document. Fed from an SVGDocumentResource
// that update loading status and provide the document text content. Thus the
// "complex" made up of these two classes manage the load cycle for the content
// document. The load cycle of the complete content document can differ from
// that of the underlying resource if the content document itself has (data
// URL) subresources.
//
// Calling SVGResourceDocumentContent::Fetch() - the expected way of creating an
// SVGResourceDocumentContent - will return an instance that has its lifetime
// managed by the SVGResourceDocumentCache. The cache is responsible for
// disposing the instance when it is unused. The criteria for "is unused" is
// that no observers are registered with the SVGResourceDocumentContent
// instance. _If_ an instance is created directly, Dispose() _must_ be called
// before dropping the reference to the instance.
class CORE_EXPORT SVGResourceDocumentContent final
    : public GarbageCollected<SVGResourceDocumentContent> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_RESOURCE_DOCUMENT_CONTENT_H_
chromium/third_party/blink/renderer/core/svg/svg_resource_document_content.h
