Replace SVGDocument by XMLDocument

Source/core/svg/SVGDocumentExtensions.cpp

 /*
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  *
  * 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.
  */
 
 #include "config.h"
 #include "core/svg/SVGDocumentExtensions.h"
 
 #include "XLinkNames.h"
 #include "core/dom/Document.h"
+#include "core/rendering/RenderView.h"
 #include "core/rendering/svg/SVGResourcesCache.h"
-#include "core/svg/SVGElement.h"
 #include "core/svg/SVGFontFaceElement.h"
 #include "core/svg/SVGSVGElement.h"
+#include "core/svg/SVGViewSpec.h"
+#include "core/svg/SVGZoomAndPan.h"
 #include "core/svg/animation/SMILTimeContainer.h"
 #include "wtf/TemporaryChange.h"
 #include "wtf/text/AtomicString.h"
 
 namespace WebCore {
 
 SVGDocumentExtensions::SVGDocumentExtensions(Document* document)
     : m_document(document)
     , m_resourcesCache(adoptPtr(new SVGResourcesCache))
 #if !ASSERT_DISABLED
@@ skipping 387 matching lines @@
     m_pendingSVGFontFaceElementsForRemoval.add(font);
 }
 
 void SVGDocumentExtensions::removePendingSVGFontFaceElementsForRemoval()
 {
     m_pendingSVGFontFaceElementsForRemoval.clear();
 }
 
 #endif
 
+bool SVGDocumentExtensions::zoomAndPanEnabled() const
+{
+    if (SVGSVGElement* svg = rootElement(*m_document)) {
+        if (svg->useCurrentView()) {
+            if (svg->currentView())
+                return svg->currentView()->zoomAndPan() == SVGZoomAndPanMagnify;
+        } else {
+            return svg->zoomAndPan() == SVGZoomAndPanMagnify;
+        }
+    }
+
+    return false;
 }
+
+void SVGDocumentExtensions::startPan(const FloatPoint& start)
+{
+    if (SVGSVGElement* svg = rootElement(*m_document))
+        m_translate = FloatPoint(start.x() - svg->currentTranslate().x(), start.y() - svg->currentTranslate().y());
+}
+
+void SVGDocumentExtensions::updatePan(const FloatPoint& pos) const
+{
+    if (SVGSVGElement* svg = rootElement(*m_document)) {
+        svg->setCurrentTranslate(FloatPoint(pos.x() - m_translate.x(), pos.y() - m_translate.y()));
+        if (m_document->renderer())

[pdr., 2014/05/03 21:35:30]

This repaint call can be removed.

+            m_document->renderer()->repaint();
+    }
+}
+
+SVGSVGElement* SVGDocumentExtensions::rootElement(const Document& document)

[pdr., 2014/05/03 21:35:30]

Is the document argument necessary here? It is always equal to m_document.

+{
+    Element* elem = document.documentElement();
+    return isSVGSVGElement(elem) ? toSVGSVGElement(elem) : 0;
+}
+
+}