| /* |
| * Copyright (C) 2011 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 COMPUTER, INC. ``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 COMPUTER, INC. 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_CSS_CSS_CROSSFADE_VALUE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_CROSSFADE_VALUE_H_ |
| |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/css/css_image_generator_value.h" |
| #include "third_party/blink/renderer/core/css/css_primitive_value.h" |
| #include "third_party/blink/renderer/platform/wtf/casting.h" |
| |
| namespace blink { |
| |
| class ImageResourceObserver; |
| |
| namespace cssvalue { |
| |
| class CORE_EXPORT CSSCrossfadeValue final : public CSSImageGeneratorValue { |
| public: |
| CSSCrossfadeValue( |
| bool is_prefixed_variant, |
| HeapVector<std::pair<Member<CSSValue>, Member<CSSPrimitiveValue>>> |
| image_and_percentages); |
| ~CSSCrossfadeValue(); |
| |
| const HeapVector<std::pair<Member<CSSValue>, Member<CSSPrimitiveValue>>>& |
| GetImagesAndPercentages() const { |
| return image_and_percentages_; |
| } |
| bool IsPrefixedVariant() const { return is_prefixed_variant_; } |
| |
| bool HasClients() const { return !Clients().empty(); } |
| ImageResourceObserver* GetObserverProxy(); |
| |
| String CustomCSSText() const; |
| bool HasFailedOrCanceledSubresources() const; |
| bool Equals(const CSSCrossfadeValue&) const; |
| |
| void TraceAfterDispatch(Visitor*) const; |
| |
| private: |
| class ObserverProxy; |
| |
| bool is_prefixed_variant_; // -webkit-cross-fade() instead of cross-fade() |
| HeapVector<std::pair<Member<CSSValue>, Member<CSSPrimitiveValue>>> |
| image_and_percentages_; |
| Member<ObserverProxy> observer_proxy_; |
| }; |
| |
| } // namespace cssvalue |
| |
| template <> |
| struct DowncastTraits<cssvalue::CSSCrossfadeValue> { |
| static bool AllowFrom(const CSSValue& value) { |
| return value.IsCrossfadeValue(); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_CROSSFADE_VALUE_H_ |