--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/css/CSSCanvasValue.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2008 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 CSSCanvasValue_h
+#define CSSCanvasValue_h
+
+#include "CSSImageGeneratorValue.h"
+#include "HTMLCanvasElement.h"
+
+namespace WebCore {
+
+class Document;
+
+class CSSCanvasValue : public CSSImageGeneratorValue, private CanvasObserver {
+public:
+    static PassRefPtr<CSSCanvasValue> create() { return adoptRef(new CSSCanvasValue); }
+    virtual ~CSSCanvasValue();
+
+    virtual String cssText() const;
+
+    virtual Image* image(RenderObject*, const IntSize&);
+    virtual bool isFixedSize() const { return true; }
+    virtual IntSize fixedSize(const RenderObject*);
+
+    void setName(const String& name) { m_name = name; }
+
+private:
+    CSSCanvasValue()
+        : m_element(0)
+    {
+    }
+
+    virtual void canvasChanged(HTMLCanvasElement*, const FloatRect& changedRect);
+    virtual void canvasResized(HTMLCanvasElement*);
+    virtual void canvasDestroyed(HTMLCanvasElement*);
+
+    HTMLCanvasElement* element(Document*);
+     
+    // The name of the canvas.
+    String m_name;
+    // The document supplies the element and owns it.
+    HTMLCanvasElement* m_element;
+};
+
+} // namespace WebCore
+
+#endif // CSSCanvasValue_h