| /* |
| * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2004, 2005, 2006, 2008, 2012 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_CSS_CSS_IMAGE_VALUE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_IMAGE_VALUE_H_ |
| |
| #include "base/memory/scoped_refptr.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/css/css_origin_clean.h" |
| #include "third_party/blink/renderer/core/css/css_value.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/cross_origin_attribute_value.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/fetch_parameters.h" |
| #include "third_party/blink/renderer/platform/weborigin/referrer.h" |
| #include "third_party/blink/renderer/platform/wtf/casting.h" |
| |
| namespace blink { |
| |
| class Document; |
| class KURL; |
| class StyleImage; |
| class ComputedStyle; |
| |
| class CORE_EXPORT CSSImageValue : public CSSValue { |
| public: |
| static CSSImageValue* Create(const KURL& url, |
| OriginClean origin_clean, |
| StyleImage* image = nullptr) { |
| return Create(url.GetString(), url, Referrer(), origin_clean, image); |
| } |
| static CSSImageValue* Create(const AtomicString& relative_url, |
| const KURL& absolute_url, |
| OriginClean origin_clean, |
| StyleImage* image = nullptr) { |
| return Create(relative_url, absolute_url, Referrer(), origin_clean, image); |
| } |
| static CSSImageValue* Create(const String& raw_value, |
| const KURL& url, |
| const Referrer& referrer, |
| OriginClean origin_clean, |
| StyleImage* image = nullptr) { |
| return Create(AtomicString(raw_value), url, referrer, origin_clean, image); |
| } |
| static CSSImageValue* Create(const AtomicString& raw_value, |
| const KURL& url, |
| const Referrer& referrer, |
| OriginClean origin_clean, |
| StyleImage* image = nullptr) { |
| return MakeGarbageCollected<CSSImageValue>(raw_value, url, referrer, image, |
| origin_clean); |
| } |
| static CSSImageValue* Create(const AtomicString& absolute_url, |
| OriginClean origin_clean) { |
| return MakeGarbageCollected<CSSImageValue>(absolute_url, origin_clean); |
| } |
| |
| CSSImageValue(const AtomicString& raw_value, |
| const KURL&, |
| const Referrer&, |
| StyleImage*, |
| OriginClean origin_clean); |
| CSSImageValue(const AtomicString& absolute_url, OriginClean origin_clean); |
| ~CSSImageValue(); |
| |
| bool IsCachePending() const { return !cached_image_; } |
| StyleImage* CachedImage() const { |
| DCHECK(!IsCachePending()); |
| return cached_image_.Get(); |
| } |
| StyleImage* CacheImage( |
| const Document&, |
| FetchParameters::ImageRequestOptimization, |
| CrossOriginAttributeValue = kCrossOriginAttributeNotSet); |
| |
| const String& Url() const { return absolute_url_; } |
| const String& RelativeUrl() const { return relative_url_; } |
| |
| const Referrer& GetReferrer() const { return referrer_; } |
| |
| void ReResolveURL(const Document&) const; |
| |
| String CustomCSSText() const; |
| |
| bool HasFailedOrCanceledSubresources() const; |
| |
| bool Equals(const CSSImageValue&) const; |
| |
| bool KnownToBeOpaque(const Document&, const ComputedStyle&) const; |
| |
| CSSImageValue* ValueWithURLMadeAbsolute() const { |
| return Create(KURL(absolute_url_), origin_clean_, cached_image_.Get()); |
| } |
| |
| CSSImageValue* Clone() const { |
| return Create(relative_url_, KURL(absolute_url_), origin_clean_, |
| cached_image_.Get()); |
| } |
| |
| void SetInitiator(const AtomicString& name) { initiator_name_ = name; } |
| |
| void TraceAfterDispatch(blink::Visitor*); |
| void RestoreCachedResourceIfNeeded(const Document&) const; |
| |
| private: |
| AtomicString relative_url_; |
| Referrer referrer_; |
| AtomicString initiator_name_; |
| |
| // Cached image data. |
| mutable AtomicString absolute_url_; |
| mutable Member<StyleImage> cached_image_; |
| |
| // Whether the stylesheet that requested this image is origin-clean: |
| // https://drafts.csswg.org/cssom-1/#concept-css-style-sheet-origin-clean-flag |
| const OriginClean origin_clean_; |
| }; |
| |
| template <> |
| struct DowncastTraits<CSSImageValue> { |
| static bool AllowFrom(const CSSValue& value) { return value.IsImageValue(); } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_IMAGE_VALUE_H_ |