WebCore/html/HTMLProgressElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLProgressElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * 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"
+#if ENABLE(PROGRESS_TAG)
+#include "HTMLProgressElement.h"
+
+#include "Attribute.h"
+#include "EventNames.h"
+#include "ExceptionCode.h"
+#include "FormDataList.h"
+#include "HTMLFormElement.h"
+#include "HTMLNames.h"
+#include "LegacyHTMLTreeBuilder.h"
+#include "RenderProgress.h"
+#include <wtf/StdLibExtras.h>
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLProgressElement::HTMLProgressElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+    : HTMLFormControlElement(tagName, document, form)
+{
+    ASSERT(hasTagName(progressTag));
+}
+
+PassRefPtr<HTMLProgressElement> HTMLProgressElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+{
+    return adoptRef(new HTMLProgressElement(tagName, document, form));
+}
+
+RenderObject* HTMLProgressElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    return new (arena) RenderProgress(this);
+}
+
+const AtomicString& HTMLProgressElement::formControlType() const
+{
+    DEFINE_STATIC_LOCAL(const AtomicString, progress, ("progress"));
+    return progress;
+}
+
+void HTMLProgressElement::parseMappedAttribute(Attribute* attribute)
+{
+    if (attribute->name() == valueAttr) {
+        if (renderer())
+            renderer()->updateFromElement();
+    } else if (attribute->name() == maxAttr) {
+        if (renderer())
+            renderer()->updateFromElement();
+    } else
+        HTMLFormControlElement::parseMappedAttribute(attribute);
+}
+
+double HTMLProgressElement::value() const
+{
+    const AtomicString& valueString = getAttribute(valueAttr);
+    double value;
+    bool ok = parseToDoubleForNumberType(valueString, &value);
+    if (!ok || value < 0)
+        return valueString.isNull() ? 1 : 0;
+    return (value > max()) ? max() : value;
+}
+
+void HTMLProgressElement::setValue(double value, ExceptionCode& ec)
+{
+    if (!isfinite(value)) {
+        ec = NOT_SUPPORTED_ERR;
+        return;
+    }
+    setAttribute(valueAttr, String::number(value >= 0 ? value : 0));
+}
+
+double HTMLProgressElement::max() const
+{
+    double max;
+    bool ok = parseToDoubleForNumberType(getAttribute(maxAttr), &max);
+    if (!ok || max <= 0)
+        return 1;
+    return max;
+}
+
+void HTMLProgressElement::setMax(double max, ExceptionCode& ec)
+{
+    if (!isfinite(max)) {
+        ec = NOT_SUPPORTED_ERR;
+        return;
+    }
+    setAttribute(maxAttr, String::number(max > 0 ? max : 1));
+}
+
+double HTMLProgressElement::position() const
+{
+    if (!hasAttribute(valueAttr))
+        return -1;
+    return value() / max();
+}
+
+} // namespace
+#endif