WebCore/html/HTMLAppletElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLAppletElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
+ * Copyright (C) 2004, 2005, 2006, 2008, 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 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"
+#include "HTMLAppletElement.h"
+
+#include "Attribute.h"
+#include "HTMLDocument.h"
+#include "HTMLNames.h"
+#include "RenderApplet.h"
+#include "SecurityOrigin.h"
+#include "Settings.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+inline HTMLAppletElement::HTMLAppletElement(const QualifiedName& tagName, Document* document)
+    : HTMLPlugInElement(tagName, document)
+{
+    ASSERT(hasTagName(appletTag));
+}
+
+PassRefPtr<HTMLAppletElement> HTMLAppletElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new HTMLAppletElement(tagName, document));
+}
+
+void HTMLAppletElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == altAttr ||
+        attr->name() == archiveAttr ||
+        attr->name() == codeAttr ||
+        attr->name() == codebaseAttr ||
+        attr->name() == mayscriptAttr ||
+        attr->name() == objectAttr) {
+        // Do nothing.
+    } else if (attr->name() == nameAttr) {
+        const AtomicString& newName = attr->value();
+        if (inDocument() && document()->isHTMLDocument()) {
+            HTMLDocument* document = static_cast<HTMLDocument*>(this->document());
+            document->removeNamedItem(m_name);
+            document->addNamedItem(newName);
+        }
+        m_name = newName;
+    } else if (isIdAttributeName(attr->name())) {
+        const AtomicString& newId = attr->value();
+        if (inDocument() && document()->isHTMLDocument()) {
+            HTMLDocument* document = static_cast<HTMLDocument*>(this->document());
+            document->removeExtraNamedItem(m_id);
+            document->addExtraNamedItem(newId);
+        }
+        m_id = newId;
+        // also call superclass
+        HTMLPlugInElement::parseMappedAttribute(attr);
+    } else
+        HTMLPlugInElement::parseMappedAttribute(attr);
+}
+
+void HTMLAppletElement::insertedIntoDocument()
+{
+    if (document()->isHTMLDocument()) {
+        HTMLDocument* document = static_cast<HTMLDocument*>(this->document());
+        document->addNamedItem(m_name);
+        document->addExtraNamedItem(m_id);
+    }
+
+    HTMLPlugInElement::insertedIntoDocument();
+}
+
+void HTMLAppletElement::removedFromDocument()
+{
+    if (document()->isHTMLDocument()) {
+        HTMLDocument* document = static_cast<HTMLDocument*>(this->document());
+        document->removeNamedItem(m_name);
+        document->removeExtraNamedItem(m_id);
+    }
+
+    HTMLPlugInElement::removedFromDocument();
+}
+
+bool HTMLAppletElement::rendererIsNeeded(RenderStyle* style)
+{
+    if (getAttribute(codeAttr).isNull())
+        return false;
+
+    return HTMLPlugInElement::rendererIsNeeded(style);
+}
+
+RenderObject* HTMLAppletElement::createRenderer(RenderArena*, RenderStyle* style)
+{
+    if (canEmbedJava()) {
+        HashMap<String, String> args;
+
+        args.set("code", getAttribute(codeAttr));
+
+        const AtomicString& codeBase = getAttribute(codebaseAttr);
+        if (!codeBase.isNull())
+            args.set("codeBase", codeBase);
+
+        const AtomicString& name = document()->isHTMLDocument() ? getAttribute(nameAttr) : getIdAttribute();
+        if (!name.isNull())
+            args.set("name", name);
+        const AtomicString& archive = getAttribute(archiveAttr);
+        if (!archive.isNull())
+            args.set("archive", archive);
+
+        args.set("baseURL", document()->baseURL().string());
+
+        const AtomicString& mayScript = getAttribute(mayscriptAttr);
+        if (!mayScript.isNull())
+            args.set("mayScript", mayScript);
+
+        // Other arguments (from <PARAM> tags) are added later.
+        
+        return new (document()->renderArena()) RenderApplet(this, args);
+    }
+
+    return RenderObject::createObject(this, style);
+}
+
+RenderWidget* HTMLAppletElement::renderWidgetForJSBindings() const
+{
+    if (!canEmbedJava())
+        return 0;
+
+    RenderApplet* applet = toRenderApplet(renderer());
+    if (applet)
+        applet->createWidgetIfNecessary();
+
+    return applet;
+}
+
+bool HTMLAppletElement::canEmbedJava() const
+{
+    if (document()->securityOrigin()->isSandboxed(SandboxPlugins))
+        return false;
+
+    Settings* settings = document()->settings();
+    return settings && settings->isJavaEnabled();
+}
+
+void HTMLAppletElement::finishParsingChildren()
+{
+    // The parser just reached </applet>, so all the params are available now.
+    HTMLPlugInElement::finishParsingChildren();
+    if (renderer())
+        renderer()->setNeedsLayout(true); // This will cause it to create its widget & the Java applet
+}
+
+}