| /* |
| * Copyright (C) 2012 Apple 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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_CSS_CSS_IMAGE_SET_VALUE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_IMAGE_SET_VALUE_H_ |
| |
| #include "third_party/blink/renderer/core/css/css_value_list.h" |
| #include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| #include "third_party/blink/renderer/platform/wtf/casting.h" |
| |
| namespace blink { |
| |
| class CSSImageSetOptionValue; |
| class StyleImage; |
| |
| class CORE_EXPORT CSSImageSetValue : public CSSValueList { |
| public: |
| explicit CSSImageSetValue(); |
| ~CSSImageSetValue(); |
| |
| bool IsCachePending(const float device_scale_factor) const; |
| StyleImage* CachedImage(const float device_scale_factor) const; |
| StyleImage* CacheImage(StyleImage*, const float device_scale_factor); |
| |
| const CSSImageSetOptionValue* GetBestOption(const float device_scale_factor); |
| |
| String CustomCSSText() const; |
| |
| bool HasFailedOrCanceledSubresources() const; |
| |
| void TraceAfterDispatch(blink::Visitor*) const; |
| |
| private: |
| Member<StyleImage> cached_image_; |
| float cached_device_scale_factor_{1.0f}; |
| |
| HeapVector<Member<const CSSImageSetOptionValue>> options_; |
| }; |
| |
| template <> |
| struct DowncastTraits<CSSImageSetValue> { |
| static bool AllowFrom(const CSSValue& value) { |
| return value.IsImageSetValue(); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_IMAGE_SET_VALUE_H_ |