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diff --git a/WebCore/html/HTMLVideoElement.cpp b/WebCore/html/HTMLVideoElement.cpp
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+/*
+ * Copyright (C) 2007, 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. 
+ */
+
+#include "config.h"
+
+#if ENABLE(VIDEO)
+#include "HTMLVideoElement.h"
+
+#include "CSSHelper.h"
+#include "CSSPropertyNames.h"
+#include "Document.h"
+#include "HTMLImageLoader.h"
+#include "HTMLNames.h"
+#include "RenderImage.h"
+#include "RenderVideo.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLVideoElement::HTMLVideoElement(Document* doc)
+    : HTMLMediaElement(HTMLNames::videoTag, doc)
+    , m_shouldShowPosterImage(false)
+{
+}
+    
+bool HTMLVideoElement::rendererIsNeeded(RenderStyle* style) 
+{
+    return HTMLElement::rendererIsNeeded(style); 
+}
+
+RenderObject* HTMLVideoElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    if (m_shouldShowPosterImage)
+        return new (arena) RenderImage(this);
+    return new (arena) RenderVideo(this);
+}
+
+void HTMLVideoElement::attach()
+{
+    HTMLMediaElement::attach();
+    
+    if (m_shouldShowPosterImage) {
+        if (!m_imageLoader)
+            m_imageLoader.set(new HTMLImageLoader(this));
+        m_imageLoader->updateFromElement();
+        if (renderer() && renderer()->isImage()) {
+            RenderImage* imageRenderer = static_cast<RenderImage*>(renderer());
+            imageRenderer->setCachedImage(m_imageLoader->image()); 
+        }
+    }
+
+}
+
+void HTMLVideoElement::detach()
+{
+    HTMLMediaElement::detach();
+    
+    if (!m_shouldShowPosterImage)
+        if (m_imageLoader)
+            m_imageLoader.clear();
+}
+
+void HTMLVideoElement::parseMappedAttribute(MappedAttribute* attr)
+{
+    const QualifiedName& attrName = attr->name();
+
+    if (attrName == posterAttr) {
+        updatePosterImage();
+        if (m_shouldShowPosterImage) {
+            if (!m_imageLoader)
+                m_imageLoader.set(new HTMLImageLoader(this));
+            m_imageLoader->updateFromElement();
+        }
+    } else if (attrName == widthAttr)
+        addCSSLength(attr, CSS_PROP_WIDTH, attr->value());
+    else if (attrName == heightAttr)
+        addCSSLength(attr, CSS_PROP_HEIGHT, attr->value());
+    else
+        HTMLMediaElement::parseMappedAttribute(attr);
+}
+
+int HTMLVideoElement::videoWidth() const
+{
+    if (!m_player)
+        return 0;
+    return m_player->naturalSize().width();
+}
+
+int HTMLVideoElement::videoHeight() const
+{
+    if (!m_player)
+        return 0;
+    return m_player->naturalSize().height();
+}
+
+int HTMLVideoElement::width() const
+{
+    bool ok;
+    int w = getAttribute(widthAttr).toInt(&ok);
+    return ok ? w : 0;
+}
+
+void HTMLVideoElement::setWidth(int value)
+{
+    setAttribute(widthAttr, String::number(value));
+}
+    
+int HTMLVideoElement::height() const
+{
+    bool ok;
+    int h = getAttribute(heightAttr).toInt(&ok);
+    return ok ? h : 0;
+}
+    
+void HTMLVideoElement::setHeight(int value)
+{
+    setAttribute(heightAttr, String::number(value));
+}
+
+KURL HTMLVideoElement::poster() const
+{
+    return document()->completeURL(getAttribute(posterAttr));
+}
+
+void HTMLVideoElement::setPoster(const String& value)
+{
+    setAttribute(posterAttr, value);
+}
+
+bool HTMLVideoElement::isURLAttribute(Attribute* attr) const
+{
+    return attr->name() == posterAttr;
+}
+
+const QualifiedName& HTMLVideoElement::imageSourceAttributeName() const
+{
+    return posterAttr;
+}
+
+void HTMLVideoElement::updatePosterImage()
+{
+    bool oldShouldShowPosterImage = m_shouldShowPosterImage;
+    m_shouldShowPosterImage = !poster().isEmpty() && m_networkState < LOADED_FIRST_FRAME;
+    if (attached() && oldShouldShowPosterImage != m_shouldShowPosterImage) {
+        detach();
+        attach();
+    }
+}
+
+}
+#endif