1 files changed, 163 insertions, 0 deletions
diff --git a/Source/WebCore/dom/OptionElement.cpp b/Source/WebCore/dom/OptionElement.cpp
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+++ b/Source/WebCore/dom/OptionElement.cpp
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+/*
+ * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
+ *
+ * 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 "OptionElement.h"
+
+#include "Document.h"
+#include "Element.h"
+#include "HTMLNames.h"
+#include "HTMLOptionElement.h"
+#include "OptionGroupElement.h"
+#include "ScriptElement.h"
+#include "SelectElement.h"
+#include <wtf/Assertions.h>
+
+#if ENABLE(WML)
+#include "WMLOptionElement.h"
+#include "WMLNames.h"
+#endif
+
+namespace WebCore {
+
+void OptionElement::setSelectedState(OptionElementData& data, Element* element, bool selected)
+{
+    if (data.selected() == selected)
+        return;
+
+    data.setSelected(selected);
+    element->setNeedsStyleRecalc();
+}
+
+int OptionElement::optionIndex(SelectElement* selectElement, const Element* element)
+{
+    if (!selectElement)
+        return 0;
+
+    // Let's do this dynamically. Might be a bit slow, but we're sure
+    // we won't forget to update a member variable in some cases...
+    const Vector<Element*>& items = selectElement->listItems();
+    int length = items.size();
+    int optionIndex = 0;
+    for (int i = 0; i < length; ++i) {
+        if (!isOptionElement(items[i]))
+            continue;
+        if (items[i] == element)
+            return optionIndex;
+        ++optionIndex;
+    }
+
+    return 0;
+}
+
+String OptionElement::collectOptionLabelOrText(const OptionElementData& data, const Element* element)
+{
+    Document* document = element->document();
+    String text;
+
+    // WinIE does not use the label attribute, so as a quirk, we ignore it.
+    if (!document->inQuirksMode())
+        text = data.label();
+    if (text.isEmpty())
+        text = collectOptionInnerText(element);
+    return normalizeText(document, text);
+}
+
+String OptionElement::collectOptionInnerText(const Element* element)
+{
+    String text;
+    Node* n = element->firstChild();
+    while (n) {
+        if (n->nodeType() == Node::TEXT_NODE || n->nodeType() == Node::CDATA_SECTION_NODE)
+            text += n->nodeValue();
+
+        // skip script content
+        if (n->isElementNode() && toScriptElement(static_cast<Element*>(n)))
+            n = n->traverseNextSibling(element);
+        else
+            n = n->traverseNextNode(element);
+    }
+    return text;
+}
+
+String OptionElement::normalizeText(const Document* document, const String& src)
+{
+    String text = document->displayStringModifiedByEncoding(src);
+
+    // In WinIE, leading and trailing whitespace is ignored in options and optgroups. We match this behavior.
+    text = text.stripWhiteSpace();
+
+    // We want to collapse our whitespace too.  This will match other browsers.
+    text = text.simplifyWhiteSpace();
+    return text;
+}
+
+String OptionElement::collectOptionTextRespectingGroupLabel(const OptionElementData& data, const Element* element)
+{
+    Element* parentElement = static_cast<Element*>(element->parentNode());
+    if (parentElement && toOptionGroupElement(parentElement))
+        return "    " + collectOptionLabelOrText(data, element);
+
+    return collectOptionLabelOrText(data, element);
+}
+
+String OptionElement::collectOptionValue(const OptionElementData& data, const Element* element)
+{
+    String value = data.value();
+    if (!value.isNull())
+        return value;
+
+    // Use the text if the value wasn't set.
+    return collectOptionInnerText(element).stripWhiteSpace();
+}
+
+// OptionElementData
+OptionElementData::OptionElementData()
+    : m_selected(false)
+{
+}
+
+OptionElementData::~OptionElementData()
+{
+}
+
+OptionElement* toOptionElement(Element* element)
+{
+    if (element->isHTMLElement() && element->hasTagName(HTMLNames::optionTag))
+        return static_cast<HTMLOptionElement*>(element);
+
+#if ENABLE(WML)
+    if (element->isWMLElement() && element->hasTagName(WMLNames::optionTag))
+        return static_cast<WMLOptionElement*>(element);
+#endif
+
+    return 0;
+}
+
+bool isOptionElement(Element* element)
+{
+    return element->hasLocalName(HTMLNames::optionTag)
+#if ENABLE(WML)
+        || element->hasLocalName(WMLNames::optionTag)
+#endif
+        ;
+}
+
+}