/** | |
* 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 "CSSPropertyNames.h" | |
#include "Document.h" | |
#include "Frame.h" | |
#include "FrameLoader.h" | |
#include "FrameTree.h" | |
#include "HTMLNames.h" | |
#include "MappedAttribute.h" | |
#include "Page.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) | |
#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(); | |
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; | |
} | |
String HTMLPlugInElement::height() const | |
{ | |
return getAttribute(heightAttr); | |
} | |
void HTMLPlugInElement::setHeight(const String& value) | |
{ | |
setAttribute(heightAttr, value); | |
} | |
String HTMLPlugInElement::width() const | |
{ | |
return getAttribute(widthAttr); | |
} | |
void HTMLPlugInElement::setWidth(const String& value) | |
{ | |
setAttribute(widthAttr, value); | |
} | |
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(MappedAttribute* 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->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(); | |
} | |
} |