webkitgtk-2.10.2webkitgtk-2.10.2

1 files changed, 75 insertions, 0 deletions

diff --git a/Source/WebCore/css/CSSImageValue.h b/Source/WebCore/css/CSSImageValue.h
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+++ b/Source/WebCore/css/CSSImageValue.h
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+/*
+ * (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 CSSImageValue_h
+#define CSSImageValue_h
+
+#include "CSSValue.h"
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+class CachedResourceLoader;
+class Element;
+class StyleCachedImage;
+class StyleImage;
+class RenderElement;
+struct ResourceLoaderOptions;
+
+class CSSImageValue : public CSSValue {
+public:
+    static Ref<CSSImageValue> create(const String& url) { return adoptRef(*new CSSImageValue(url)); }
+    static Ref<CSSImageValue> create(const String& url, StyleImage* image) { return adoptRef(*new CSSImageValue(url, image)); }
+    ~CSSImageValue();
+
+    StyleCachedImage* cachedImage(CachedResourceLoader&, const ResourceLoaderOptions&);
+    // Returns a StyleCachedImage if the image is cached already, otherwise a StylePendingImage.
+    StyleImage* cachedOrPendingImage();
+
+    const String& url() const { return m_url; }
+
+    String customCSSText() const;
+
+    Ref<CSSValue> cloneForCSSOM() const;
+
+    bool traverseSubresources(const std::function<bool (const CachedResource&)>& handler) const;
+
+    bool equals(const CSSImageValue&) const;
+
+    bool knownToBeOpaque(const RenderElement*) const;
+
+    void setInitiator(const AtomicString& name) { m_initiatorName = name; }
+
+private:
+    explicit CSSImageValue(const String& url);
+    CSSImageValue(const String& url, StyleImage*);
+    void detachPendingImage();
+
+    String m_url;
+    RefPtr<StyleImage> m_image;
+    bool m_accessedImage;
+    AtomicString m_initiatorName;
+};
+
+} // namespace WebCore
+
+SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSImageValue, isImageValue())
+
+#endif // CSSImageValue_h