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/*
* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
* (C) 2000 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* 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_STYLE_STYLE_FETCHED_IMAGE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_STYLE_FETCHED_IMAGE_H_
#include "third_party/blink/renderer/core/loader/resource/image_resource_observer.h"
#include "third_party/blink/renderer/core/style/style_image.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
namespace blink {
class Document;
class FetchParameters;
// This class represents an <image> that loads a single image resource (the
// url(...) function.)
class StyleFetchedImage final : public StyleImage,
public ImageResourceObserver {
USING_PRE_FINALIZER(StyleFetchedImage, Dispose);
public:
static StyleFetchedImage* Create(const Document& document,
FetchParameters& params,
bool is_lazyload_deferred) {
return MakeGarbageCollected<StyleFetchedImage>(document, params,
is_lazyload_deferred);
}
StyleFetchedImage(const Document&,
FetchParameters&,
bool is_lazyload_deferred);
~StyleFetchedImage() override;
WrappedImagePtr Data() const override;
CSSValue* CssValue() const override;
CSSValue* ComputedCSSValue() const override;
bool CanRender() const override;
bool IsLoaded() const override;
bool ErrorOccurred() const override;
FloatSize ImageSize(const Document&,
float multiplier,
const LayoutSize& default_object_size) const override;
bool ImageHasRelativeSize() const override;
void AddClient(ImageResourceObserver*) override;
void RemoveClient(ImageResourceObserver*) override;
void ImageNotifyFinished(ImageResourceContent*) override;
bool GetImageAnimationPolicy(ImageAnimationPolicy&) override;
String DebugName() const override { return "StyleFetchedImage"; }
scoped_refptr<Image> GetImage(const ImageResourceObserver&,
const Document&,
const ComputedStyle&,
const FloatSize& target_size) const override;
bool KnownToBeOpaque(const Document&, const ComputedStyle&) const override;
ImageResourceContent* CachedImage() const override;
const KURL& Url() const { return url_; }
void LoadDeferredImage(const Document& document);
void Trace(blink::Visitor*) override;
private:
bool IsEqual(const StyleImage&) const override;
void Dispose();
Member<ImageResourceContent> image_;
Member<const Document> document_;
const KURL url_;
};
DEFINE_STYLE_IMAGE_TYPE_CASTS(StyleFetchedImage, IsImageResource());
} // namespace blink
#endif