Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 146 insertions, 0 deletions

diff --git a/Source/WebCore/html/HTMLMapElement.cpp b/Source/WebCore/html/HTMLMapElement.cpp
new file mode 100644
index 000000000..098295b73
--- /dev/null
+++ b/Source/WebCore/html/HTMLMapElement.cpp
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+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2010 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.
+ */
+
+#include "config.h"
+#include "HTMLMapElement.h"
+
+#include "Attribute.h"
+#include "Document.h"
+#include "HTMLAreaElement.h"
+#include "HTMLCollection.h"
+#include "HTMLImageElement.h"
+#include "HTMLNames.h"
+#include "HitTestResult.h"
+#include "IntSize.h"
+#include "RenderObject.h"
+
+using namespace std;
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLMapElement::HTMLMapElement(const QualifiedName& tagName, Document* document)
+    : HTMLElement(tagName, document)
+{
+    ASSERT(hasTagName(mapTag));
+}
+
+PassRefPtr<HTMLMapElement> HTMLMapElement::create(Document* document)
+{
+    return adoptRef(new HTMLMapElement(mapTag, document));
+}
+
+PassRefPtr<HTMLMapElement> HTMLMapElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new HTMLMapElement(tagName, document));
+}
+
+HTMLMapElement::~HTMLMapElement()
+{
+}
+
+bool HTMLMapElement::mapMouseEvent(LayoutPoint location, const LayoutSize& size, HitTestResult& result)
+{
+    HTMLAreaElement* defaultArea = 0;
+    Node *node = this;
+    while ((node = node->traverseNextNode(this))) {
+        if (node->hasTagName(areaTag)) {
+            HTMLAreaElement* areaElt = static_cast<HTMLAreaElement*>(node);
+            if (areaElt->isDefault()) {
+                if (!defaultArea)
+                    defaultArea = areaElt;
+            } else if (areaElt->mapMouseEvent(location, size, result))
+                return true;
+        }
+    }
+    
+    if (defaultArea) {
+        result.setInnerNode(defaultArea);
+        result.setURLElement(defaultArea);
+    }
+    return defaultArea;
+}
+
+HTMLImageElement* HTMLMapElement::imageElement()
+{
+    RefPtr<HTMLCollection> coll = document()->images();
+    for (Node* curr = coll->firstItem(); curr; curr = coll->nextItem()) {
+        if (!curr->hasTagName(imgTag))
+            continue;
+        
+        // The HTMLImageElement's useMap() value includes the '#' symbol at the beginning,
+        // which has to be stripped off.
+        HTMLImageElement* imageElement = static_cast<HTMLImageElement*>(curr);
+        String useMapName = imageElement->getAttribute(usemapAttr).string().substring(1);
+        if (equalIgnoringCase(useMapName, m_name))
+            return imageElement;
+    }
+    
+    return 0;    
+}
+
+void HTMLMapElement::parseMappedAttribute(Attribute* attribute)
+{
+    // FIXME: This logic seems wrong for XML documents.
+    // Either the id or name will be used depending on the order the attributes are parsed.
+
+    const QualifiedName& attrName = attribute->name();
+    if (isIdAttributeName(attrName) || attrName == nameAttr) {
+        if (isIdAttributeName(attrName)) {
+            // Call base class so that hasID bit gets set.
+            HTMLElement::parseMappedAttribute(attribute);
+            if (document()->isHTMLDocument())
+                return;
+        }
+        if (inDocument())
+            treeScope()->removeImageMap(this);
+        String mapName = attribute->value();
+        if (mapName[0] == '#')
+            mapName = mapName.substring(1);
+        m_name = document()->isHTMLDocument() ? mapName.lower() : mapName;
+        if (inDocument())
+            treeScope()->addImageMap(this);
+
+        return;
+    }
+
+    HTMLElement::parseMappedAttribute(attribute);
+}
+
+PassRefPtr<HTMLCollection> HTMLMapElement::areas()
+{
+    return ensureCachedHTMLCollection(MapAreas);
+}
+
+void HTMLMapElement::insertedIntoDocument()
+{
+    treeScope()->addImageMap(this);
+    HTMLElement::insertedIntoDocument();
+}
+
+void HTMLMapElement::removedFromDocument()
+{
+    treeScope()->removeImageMap(this);
+    HTMLElement::removedFromDocument();
+}
+
+}