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

1 files changed, 164 insertions, 0 deletions

diff --git a/Source/WebCore/html/HTMLProgressElement.cpp b/Source/WebCore/html/HTMLProgressElement.cpp
new file mode 100644
index 000000000..960f15782
--- /dev/null
+++ b/Source/WebCore/html/HTMLProgressElement.cpp
@@ -0,0 +1,164 @@
+/*
+ * 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 "HTMLDivElement.h"
+#include "HTMLFormElement.h"
+#include "HTMLNames.h"
+#include "HTMLParserIdioms.h"
+#include "ProgressShadowElement.h"
+#include "RenderProgress.h"
+#include "ShadowRoot.h"
+#include <wtf/StdLibExtras.h>
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+const double HTMLProgressElement::IndeterminatePosition = -1;
+const double HTMLProgressElement::InvalidPosition = -2;
+
+HTMLProgressElement::HTMLProgressElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+    : HTMLFormControlElement(tagName, document, form)
+{
+    ASSERT(hasTagName(progressTag));
+}
+
+HTMLProgressElement::~HTMLProgressElement()
+{
+}
+
+PassRefPtr<HTMLProgressElement> HTMLProgressElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+{
+    RefPtr<HTMLProgressElement> progress = adoptRef(new HTMLProgressElement(tagName, document, form));
+    progress->createShadowSubtree();
+    return progress;
+}
+
+RenderObject* HTMLProgressElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+    return new (arena) RenderProgress(this);
+}
+
+bool HTMLProgressElement::supportsFocus() const
+{
+    return Node::supportsFocus() && !disabled();
+}
+
+const AtomicString& HTMLProgressElement::formControlType() const
+{
+    DEFINE_STATIC_LOCAL(const AtomicString, progress, ("progress"));
+    return progress;
+}
+
+void HTMLProgressElement::parseMappedAttribute(Attribute* attribute)
+{
+    if (attribute->name() == valueAttr)
+        didElementStateChange();
+    else if (attribute->name() == maxAttr)
+        didElementStateChange();
+    else
+        HTMLFormControlElement::parseMappedAttribute(attribute);
+}
+
+void HTMLProgressElement::attach()
+{
+    HTMLFormControlElement::attach();
+    didElementStateChange();
+}
+
+double HTMLProgressElement::value() const
+{
+    double value;
+    bool ok = parseToDoubleForNumberType(fastGetAttribute(valueAttr), &value);
+    if (!ok || value < 0)
+        return 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 (!isDeterminate())
+        return HTMLProgressElement::IndeterminatePosition;
+    return value() / max();
+}
+
+bool HTMLProgressElement::isDeterminate() const
+{
+    return fastHasAttribute(valueAttr);
+}
+    
+void HTMLProgressElement::didElementStateChange()
+{
+    m_value->setWidthPercentage(position() * 100);
+    if (renderer()) {
+        RenderProgress* render = toRenderProgress(renderer());
+        bool wasDeterminate = render->isDeterminate();
+        renderer()->updateFromElement();
+        if (wasDeterminate != isDeterminate())
+            setNeedsStyleRecalc();
+    }
+}
+
+void HTMLProgressElement::createShadowSubtree()
+{
+    RefPtr<ProgressBarElement> bar = ProgressBarElement::create(document());
+    m_value = ProgressValueElement::create(document());
+    ExceptionCode ec = 0;
+    bar->appendChild(m_value, ec);
+    ensureShadowRoot()->appendChild(bar, ec);
+}
+
+} // namespace
+#endif