Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 90 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/SVGShadowTreeElements.cpp b/Source/WebCore/rendering/SVGShadowTreeElements.cpp
new file mode 100644
index 0000000..7c5e1a9
--- /dev/null
+++ b/Source/WebCore/rendering/SVGShadowTreeElements.cpp
@@ -0,0 +1,90 @@
+/*
+    Copyright (C) Research In Motion Limited 2010. 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
+    aint 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.
+*/
+
+#include "config.h"
+
+#if ENABLE(SVG)
+#include "SVGShadowTreeElements.h"
+
+#include "Document.h"
+#include "FloatSize.h"
+#include "RenderObject.h"
+#include "SVGNames.h"
+#include "SVGUseElement.h"
+
+namespace WebCore {
+
+// SVGShadowTreeContainerElement
+
+SVGShadowTreeContainerElement::SVGShadowTreeContainerElement(Document* document)
+    : SVGGElement(SVGNames::gTag, document)
+{
+}
+
+PassRefPtr<SVGShadowTreeContainerElement> SVGShadowTreeContainerElement::create(Document* document)
+{
+    return adoptRef(new SVGShadowTreeContainerElement(document));
+}
+
+FloatSize SVGShadowTreeContainerElement::containerTranslation() const
+{
+    return FloatSize(m_xOffset.value(this), m_yOffset.value(this));
+}
+
+// SVGShadowTreeRootElement
+
+inline SVGShadowTreeRootElement::SVGShadowTreeRootElement(Document* document, SVGUseElement* shadowParent)
+    : SVGShadowTreeContainerElement(document)
+{
+    setShadowHost(shadowParent);
+    setInDocument();
+}
+
+PassRefPtr<SVGShadowTreeRootElement> SVGShadowTreeRootElement::create(Document* document, SVGUseElement* shadowParent)
+{
+    return adoptRef(new SVGShadowTreeRootElement(document, shadowParent));
+}
+
+void SVGShadowTreeRootElement::attachElement(PassRefPtr<RenderStyle> style, RenderArena* arena)
+{
+    ASSERT(shadowHost());
+
+    // Create the renderer with the specified style
+    RenderObject* renderer = createRenderer(arena, style.get());
+    if (renderer) {
+        setRenderer(renderer);
+        renderer->setStyle(style);
+    }
+
+    // Set these explicitly since this normally happens during an attach()
+    setAttached();
+
+    // Add the renderer to the render tree
+    if (renderer)
+        shadowHost()->renderer()->addChild(renderer);
+}
+
+void SVGShadowTreeRootElement::clearShadowHost()
+{
+    setShadowHost(0);
+}
+
+}
+
+#endif