diff -r 000000000000 -r 4f2f89ce4247 WebCore/html/HTMLPlugInElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLPlugInElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,182 @@
+/**
+ * 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 Apple Computer, Inc.
+ *
+ * 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 "HTMLPlugInElement.h"
+
+#include "Attribute.h"
+#include "Chrome.h"
+#include "ChromeClient.h"
+#include "CSSPropertyNames.h"
+#include "Document.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "FrameTree.h"
+#include "HTMLNames.h"
+#include "Page.h"
+#include "RenderEmbeddedObject.h"
+#include "RenderWidget.h"
+#include "ScriptController.h"
+#include "Settings.h"
+#include "Widget.h"
+
+#if ENABLE(NETSCAPE_PLUGIN_API)
+#include "npruntime_impl.h"
+#endif
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLPlugInElement::HTMLPlugInElement(const QualifiedName& tagName, Document* doc)
+    : HTMLFrameOwnerElement(tagName, doc)
+#if ENABLE(NETSCAPE_PLUGIN_API)
+    , m_NPObject(0)
+    , m_isCapturingMouseEvents(false)
+#endif
+{
+}
+
+HTMLPlugInElement::~HTMLPlugInElement()
+{
+    ASSERT(!m_instance); // cleared in detach()
+
+#if ENABLE(NETSCAPE_PLUGIN_API)
+    if (m_NPObject) {
+        _NPN_ReleaseObject(m_NPObject);
+        m_NPObject = 0;
+    }
+#endif
+}
+
+void HTMLPlugInElement::detach()
+{
+    m_instance.clear();
+
+    if (m_isCapturingMouseEvents) {
+        if (Frame* frame = document()->frame())
+            frame->eventHandler()->setCapturingMouseEventsNode(0);
+        m_isCapturingMouseEvents = false;
+    }
+
+    HTMLFrameOwnerElement::detach();
+}
+
+PassScriptInstance HTMLPlugInElement::getInstance() const
+{
+    Frame* frame = document()->frame();
+    if (!frame)
+        return 0;
+
+    // If the host dynamically turns off JavaScript (or Java) we will still return
+    // the cached allocated Bindings::Instance.  Not supporting this edge-case is OK.
+    if (m_instance)
+        return m_instance;
+
+    RenderWidget* renderWidget = renderWidgetForJSBindings();
+    if (renderWidget && renderWidget->widget())
+        m_instance = frame->script()->createScriptInstanceForWidget(renderWidget->widget());
+
+    return m_instance;
+}
+
+bool HTMLPlugInElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
+{
+    if (attrName == widthAttr ||
+        attrName == heightAttr ||
+        attrName == vspaceAttr ||
+        attrName == hspaceAttr) {
+            result = eUniversal;
+            return false;
+    }
+    
+    if (attrName == alignAttr) {
+        result = eReplaced; // Share with <img> since the alignment behavior is the same.
+        return false;
+    }
+    
+    return HTMLFrameOwnerElement::mapToEntry(attrName, result);
+}
+
+void HTMLPlugInElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == widthAttr)
+        addCSSLength(attr, CSSPropertyWidth, attr->value());
+    else if (attr->name() == heightAttr)
+        addCSSLength(attr, CSSPropertyHeight, attr->value());
+    else if (attr->name() == vspaceAttr) {
+        addCSSLength(attr, CSSPropertyMarginTop, attr->value());
+        addCSSLength(attr, CSSPropertyMarginBottom, attr->value());
+    } else if (attr->name() == hspaceAttr) {
+        addCSSLength(attr, CSSPropertyMarginLeft, attr->value());
+        addCSSLength(attr, CSSPropertyMarginRight, attr->value());
+    } else if (attr->name() == alignAttr)
+        addHTMLAlignment(attr);
+    else
+        HTMLFrameOwnerElement::parseMappedAttribute(attr);
+}
+
+bool HTMLPlugInElement::checkDTD(const Node* newChild)
+{
+    return newChild->hasTagName(paramTag) || HTMLFrameOwnerElement::checkDTD(newChild);
+}
+
+void HTMLPlugInElement::defaultEventHandler(Event* event)
+{
+    // Firefox seems to use a fake event listener to dispatch events to plug-in (tested with mouse events only).
+    // This is observable via different order of events - in Firefox, event listeners specified in HTML attributes fires first, then an event
+    // gets dispatched to plug-in, and only then other event listeners fire. Hopefully, this difference does not matter in practice.
+
+    // FIXME: Mouse down and scroll events are passed down to plug-in via custom code in EventHandler; these code paths should be united.
+
+    RenderObject* r = renderer();
+    if (r && r->isEmbeddedObject() && toRenderEmbeddedObject(r)->showsMissingPluginIndicator()) {
+        toRenderEmbeddedObject(r)->handleMissingPluginIndicatorEvent(event);
+        return;
+    }
+
+    if (!r || !r->isWidget())
+        return;
+    Widget* widget = toRenderWidget(r)->widget();
+    if (!widget)
+        return;
+    widget->handleEvent(event);
+}
+
+#if ENABLE(NETSCAPE_PLUGIN_API)
+
+NPObject* HTMLPlugInElement::getNPObject()
+{
+    ASSERT(document()->frame());
+    if (!m_NPObject)
+        m_NPObject = document()->frame()->script()->createScriptObjectForPluginElement(this);
+    return m_NPObject;
+}
+
+#endif /* ENABLE(NETSCAPE_PLUGIN_API) */
+
+void HTMLPlugInElement::updateWidgetCallback(Node* n)
+{
+    static_cast<HTMLPlugInElement*>(n)->updateWidget();
+}
+
+}