From 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@lorry>
Date: Tue, 27 Jun 2017 06:07:23 +0000
Subject: webkitgtk-2.16.5

---
 Source/WebCore/css/CSSCrossfadeValue.h | 81 ++++++++++++----------------------
 1 file changed, 27 insertions(+), 54 deletions(-)

(limited to 'Source/WebCore/css/CSSCrossfadeValue.h')

diff --git a/Source/WebCore/css/CSSCrossfadeValue.h b/Source/WebCore/css/CSSCrossfadeValue.h
index 53bd05983..a3500b44e 100644
--- a/Source/WebCore/css/CSSCrossfadeValue.h
+++ b/Source/WebCore/css/CSSCrossfadeValue.h
@@ -10,10 +10,10 @@
  *    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
+ * THIS SOFTWARE IS PROVIDED BY APPLE 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
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE 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
@@ -23,95 +23,68 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef CSSCrossfadeValue_h
-#define CSSCrossfadeValue_h
+#pragma once
 
 #include "CachedImageClient.h"
 #include "CachedResourceHandle.h"
 #include "CSSImageGeneratorValue.h"
-#include "CSSPrimitiveValue.h"
-#include "Image.h"
-#include "ImageObserver.h"
 
 namespace WebCore {
 
-class CachedImage;
-class CrossfadeSubimageObserverProxy;
-class RenderElement;
-class Document;
+class CSSPrimitiveValue;
 
-class CSSCrossfadeValue : public CSSImageGeneratorValue {
-    friend class CrossfadeSubimageObserverProxy;
+class CSSCrossfadeValue final : public CSSImageGeneratorValue {
 public:
-    static PassRef<CSSCrossfadeValue> create(PassRefPtr<CSSValue> fromValue, PassRefPtr<CSSValue> toValue)
-    {
-        return adoptRef(*new CSSCrossfadeValue(fromValue, toValue));
-    }
+    static Ref<CSSCrossfadeValue> create(Ref<CSSValue>&& fromValue, Ref<CSSValue>&& toValue, Ref<CSSPrimitiveValue>&& percentageValue, bool prefixed = false);
 
     ~CSSCrossfadeValue();
 
     String customCSSText() const;
 
-    PassRefPtr<Image> image(RenderElement*, const IntSize&);
+    Image* image(RenderElement&, const FloatSize&);
     bool isFixedSize() const { return true; }
-    IntSize fixedSize(const RenderElement*);
+    FloatSize fixedSize(const RenderElement&);
 
+    bool isPrefixed() const { return m_isPrefixed; }
     bool isPending() const;
-    bool knownToBeOpaque(const RenderElement*) const;
+    bool knownToBeOpaque(const RenderElement&) const;
 
-    void loadSubimages(CachedResourceLoader*);
+    void loadSubimages(CachedResourceLoader&, const ResourceLoaderOptions&);
 
-    void setPercentage(PassRefPtr<CSSPrimitiveValue> percentageValue) { m_percentageValue = percentageValue; }
+    bool traverseSubresources(const std::function<bool (const CachedResource&)>& handler) const;
 
-    bool hasFailedOrCanceledSubresources() const;
-
-    PassRefPtr<CSSCrossfadeValue> blend(const CSSCrossfadeValue&, double) const;
+    RefPtr<CSSCrossfadeValue> blend(const CSSCrossfadeValue&, double) const;
 
     bool equals(const CSSCrossfadeValue&) const;
-
     bool equalInputImages(const CSSCrossfadeValue&) const;
 
 private:
-    CSSCrossfadeValue(PassRefPtr<CSSValue> fromValue, PassRefPtr<CSSValue> toValue)
-        : CSSImageGeneratorValue(CrossfadeClass)
-        , m_fromValue(fromValue)
-        , m_toValue(toValue)
-        , m_crossfadeSubimageObserver(this)
-    {
-    }
-
-    class CrossfadeSubimageObserverProxy : public CachedImageClient {
+    CSSCrossfadeValue(Ref<CSSValue>&& fromValue, Ref<CSSValue>&& toValue, Ref<CSSPrimitiveValue>&& percentageValue, bool prefixed);
+
+    class SubimageObserver final : public CachedImageClient {
     public:
-        CrossfadeSubimageObserverProxy(CSSCrossfadeValue* ownerValue)
-            : m_ownerValue(ownerValue)
-            , m_ready(false)
-        {
-        }
-
-        virtual ~CrossfadeSubimageObserverProxy() { }
-        virtual void imageChanged(CachedImage*, const IntRect* = 0) override;
-        void setReady(bool ready) { m_ready = ready; }
+        SubimageObserver(CSSCrossfadeValue&);
     private:
-        CSSCrossfadeValue* m_ownerValue;
-        bool m_ready;
+        void imageChanged(CachedImage*, const IntRect*) final;
+        CSSCrossfadeValue& m_owner;
     };
 
-    void crossfadeChanged(const IntRect&);
+    void crossfadeChanged();
 
-    RefPtr<CSSValue> m_fromValue;
-    RefPtr<CSSValue> m_toValue;
-    RefPtr<CSSPrimitiveValue> m_percentageValue;
+    Ref<CSSValue> m_fromValue;
+    Ref<CSSValue> m_toValue;
+    Ref<CSSPrimitiveValue> m_percentageValue;
 
     CachedResourceHandle<CachedImage> m_cachedFromImage;
     CachedResourceHandle<CachedImage> m_cachedToImage;
 
     RefPtr<Image> m_generatedImage;
 
-    CrossfadeSubimageObserverProxy m_crossfadeSubimageObserver;
+    SubimageObserver m_subimageObserver;
+    bool m_isPrefixed { false };
+    bool m_subimagesAreReady { false };
 };
 
-CSS_VALUE_TYPE_CASTS(CSSCrossfadeValue, isCrossfadeValue())
-
 } // namespace WebCore
 
-#endif // CSSCrossfadeValue_h
+SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSCrossfadeValue, isCrossfadeValue())
-- 
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