1 /** 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2000 Stefan Schimanski (1Stein (at) gmx.de) 5 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #include "config.h" 24 #include "HTMLPlugInElement.h" 25 26 #include "CSSPropertyNames.h" 27 #include "Document.h" 28 #include "Frame.h" 29 #include "FrameLoader.h" 30 #include "FrameTree.h" 31 #include "HTMLNames.h" 32 #include "MappedAttribute.h" 33 #include "Page.h" 34 #include "RenderWidget.h" 35 #include "ScriptController.h" 36 #include "Settings.h" 37 #include "Widget.h" 38 39 #if ENABLE(NETSCAPE_PLUGIN_API) 40 #include "npruntime_impl.h" 41 #endif 42 43 namespace WebCore { 44 45 using namespace HTMLNames; 46 47 HTMLPlugInElement::HTMLPlugInElement(const QualifiedName& tagName, Document* doc) 48 : HTMLFrameOwnerElement(tagName, doc) 49 #if ENABLE(NETSCAPE_PLUGIN_API) 50 , m_NPObject(0) 51 #endif 52 { 53 } 54 55 HTMLPlugInElement::~HTMLPlugInElement() 56 { 57 ASSERT(!m_instance); // cleared in detach() 58 59 #if ENABLE(NETSCAPE_PLUGIN_API) 60 if (m_NPObject) { 61 _NPN_ReleaseObject(m_NPObject); 62 m_NPObject = 0; 63 } 64 #endif 65 } 66 67 void HTMLPlugInElement::detach() 68 { 69 m_instance.clear(); 70 HTMLFrameOwnerElement::detach(); 71 } 72 73 PassScriptInstance HTMLPlugInElement::getInstance() const 74 { 75 Frame* frame = document()->frame(); 76 if (!frame) 77 return 0; 78 79 // If the host dynamically turns off JavaScript (or Java) we will still return 80 // the cached allocated Bindings::Instance. Not supporting this edge-case is OK. 81 if (m_instance) 82 return m_instance; 83 84 RenderWidget* renderWidget = renderWidgetForJSBindings(); 85 if (renderWidget && renderWidget->widget()) 86 m_instance = frame->script()->createScriptInstanceForWidget(renderWidget->widget()); 87 88 return m_instance; 89 } 90 91 String HTMLPlugInElement::height() const 92 { 93 return getAttribute(heightAttr); 94 } 95 96 void HTMLPlugInElement::setHeight(const String& value) 97 { 98 setAttribute(heightAttr, value); 99 } 100 101 String HTMLPlugInElement::width() const 102 { 103 return getAttribute(widthAttr); 104 } 105 106 void HTMLPlugInElement::setWidth(const String& value) 107 { 108 setAttribute(widthAttr, value); 109 } 110 111 bool HTMLPlugInElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const 112 { 113 if (attrName == widthAttr || 114 attrName == heightAttr || 115 attrName == vspaceAttr || 116 attrName == hspaceAttr) { 117 result = eUniversal; 118 return false; 119 } 120 121 if (attrName == alignAttr) { 122 result = eReplaced; // Share with <img> since the alignment behavior is the same. 123 return false; 124 } 125 126 return HTMLFrameOwnerElement::mapToEntry(attrName, result); 127 } 128 129 void HTMLPlugInElement::parseMappedAttribute(MappedAttribute* attr) 130 { 131 if (attr->name() == widthAttr) 132 addCSSLength(attr, CSSPropertyWidth, attr->value()); 133 else if (attr->name() == heightAttr) 134 addCSSLength(attr, CSSPropertyHeight, attr->value()); 135 else if (attr->name() == vspaceAttr) { 136 addCSSLength(attr, CSSPropertyMarginTop, attr->value()); 137 addCSSLength(attr, CSSPropertyMarginBottom, attr->value()); 138 } else if (attr->name() == hspaceAttr) { 139 addCSSLength(attr, CSSPropertyMarginLeft, attr->value()); 140 addCSSLength(attr, CSSPropertyMarginRight, attr->value()); 141 } else if (attr->name() == alignAttr) 142 addHTMLAlignment(attr); 143 else 144 HTMLFrameOwnerElement::parseMappedAttribute(attr); 145 } 146 147 bool HTMLPlugInElement::checkDTD(const Node* newChild) 148 { 149 return newChild->hasTagName(paramTag) || HTMLFrameOwnerElement::checkDTD(newChild); 150 } 151 152 void HTMLPlugInElement::defaultEventHandler(Event* event) 153 { 154 RenderObject* r = renderer(); 155 if (!r || !r->isWidget()) 156 return; 157 Widget* widget = toRenderWidget(r)->widget(); 158 if (!widget) 159 return; 160 widget->handleEvent(event); 161 } 162 163 #if ENABLE(NETSCAPE_PLUGIN_API) 164 165 NPObject* HTMLPlugInElement::getNPObject() 166 { 167 ASSERT(document()->frame()); 168 if (!m_NPObject) 169 m_NPObject = document()->frame()->script()->createScriptObjectForPluginElement(this); 170 return m_NPObject; 171 } 172 173 #endif /* ENABLE(NETSCAPE_PLUGIN_API) */ 174 175 void HTMLPlugInElement::updateWidgetCallback(Node* n) 176 { 177 static_cast<HTMLPlugInElement*>(n)->updateWidget(); 178 } 179 180 #if PLATFORM(ANDROID) 181 bool HTMLPlugInElement::supportsFocus() const 182 { 183 return true; 184 } 185 #endif 186 187 } 188
