1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "public/web/WebNode.h" 33 34 #include "bindings/v8/ExceptionState.h" 35 #include "core/dom/Document.h" 36 #include "core/dom/Element.h" 37 #include "core/dom/Node.h" 38 #include "core/dom/NodeList.h" 39 #include "core/dom/TagCollection.h" 40 #include "core/editing/markup.h" 41 #include "core/events/Event.h" 42 #include "core/html/HTMLCollection.h" 43 #include "core/html/HTMLElement.h" 44 #include "core/rendering/RenderObject.h" 45 #include "core/rendering/RenderWidget.h" 46 #include "platform/Widget.h" 47 #include "public/platform/WebString.h" 48 #include "public/platform/WebVector.h" 49 #include "public/web/WebDOMEvent.h" 50 #include "public/web/WebDOMEventListener.h" 51 #include "public/web/WebDocument.h" 52 #include "public/web/WebElement.h" 53 #include "public/web/WebElementCollection.h" 54 #include "public/web/WebNodeList.h" 55 #include "public/web/WebPluginContainer.h" 56 #include "web/EventListenerWrapper.h" 57 #include "web/FrameLoaderClientImpl.h" 58 #include "web/WebLocalFrameImpl.h" 59 #include "web/WebPluginContainerImpl.h" 60 61 using namespace WebCore; 62 63 namespace blink { 64 65 void WebNode::reset() 66 { 67 m_private.reset(); 68 } 69 70 void WebNode::assign(const WebNode& other) 71 { 72 m_private = other.m_private; 73 } 74 75 bool WebNode::equals(const WebNode& n) const 76 { 77 return m_private.get() == n.m_private.get(); 78 } 79 80 bool WebNode::lessThan(const WebNode& n) const 81 { 82 return m_private.get() < n.m_private.get(); 83 } 84 85 WebNode::NodeType WebNode::nodeType() const 86 { 87 return static_cast<NodeType>(m_private->nodeType()); 88 } 89 90 WebNode WebNode::parentNode() const 91 { 92 return WebNode(const_cast<ContainerNode*>(m_private->parentNode())); 93 } 94 95 WebString WebNode::nodeName() const 96 { 97 return m_private->nodeName(); 98 } 99 100 WebString WebNode::nodeValue() const 101 { 102 return m_private->nodeValue(); 103 } 104 105 WebDocument WebNode::document() const 106 { 107 return WebDocument(&m_private->document()); 108 } 109 110 WebNode WebNode::firstChild() const 111 { 112 return WebNode(m_private->firstChild()); 113 } 114 115 WebNode WebNode::lastChild() const 116 { 117 return WebNode(m_private->lastChild()); 118 } 119 120 WebNode WebNode::previousSibling() const 121 { 122 return WebNode(m_private->previousSibling()); 123 } 124 125 WebNode WebNode::nextSibling() const 126 { 127 return WebNode(m_private->nextSibling()); 128 } 129 130 bool WebNode::hasChildNodes() const 131 { 132 return m_private->hasChildren(); 133 } 134 135 WebNodeList WebNode::childNodes() 136 { 137 return WebNodeList(m_private->childNodes()); 138 } 139 140 WebString WebNode::createMarkup() const 141 { 142 return WebCore::createMarkup(m_private.get()); 143 } 144 145 bool WebNode::isLink() const 146 { 147 return m_private->isLink(); 148 } 149 150 bool WebNode::isTextNode() const 151 { 152 return m_private->isTextNode(); 153 } 154 155 bool WebNode::isFocusable() const 156 { 157 if (!m_private->isElementNode()) 158 return false; 159 m_private->document().updateLayoutIgnorePendingStylesheets(); 160 return toElement(m_private.get())->isFocusable(); 161 } 162 163 bool WebNode::isContentEditable() const 164 { 165 return m_private->isContentEditable(); 166 } 167 168 bool WebNode::isElementNode() const 169 { 170 return m_private->isElementNode(); 171 } 172 173 void WebNode::addEventListener(const WebString& eventType, WebDOMEventListener* listener, bool useCapture) 174 { 175 // Please do not add more eventTypes to this list without an API review. 176 RELEASE_ASSERT(eventType == "mousedown"); 177 178 EventListenerWrapper* listenerWrapper = listener->createEventListenerWrapper(eventType, useCapture, m_private.get()); 179 // The listenerWrapper is only referenced by the actual Node. Once it goes 180 // away, the wrapper notifies the WebEventListener so it can clear its 181 // pointer to it. 182 m_private->addEventListener(eventType, adoptRef(listenerWrapper), useCapture); 183 } 184 185 bool WebNode::dispatchEvent(const WebDOMEvent& event) 186 { 187 if (!event.isNull()) 188 return m_private->dispatchEvent(event); 189 return false; 190 } 191 192 void WebNode::simulateClick() 193 { 194 m_private->dispatchSimulatedClick(0); 195 } 196 197 WebElementCollection WebNode::getElementsByTagName(const WebString& tag) const 198 { 199 if (m_private->isContainerNode()) { 200 // FIXME: Calling getElementsByTagNameNS here is inconsistent with the 201 // function name. This is a temporary fix for a serious bug, and should 202 // be reverted soon. 203 return WebElementCollection(toContainerNode(m_private.get())->getElementsByTagNameNS(HTMLNames::xhtmlNamespaceURI, tag)); 204 } 205 return WebElementCollection(); 206 } 207 208 WebElement WebNode::querySelector(const WebString& tag, WebExceptionCode& ec) const 209 { 210 TrackExceptionState exceptionState; 211 WebElement element; 212 if (m_private->isContainerNode()) 213 element = toContainerNode(m_private.get())->querySelector(tag, exceptionState); 214 ec = exceptionState.code(); 215 return element; 216 } 217 218 WebElement WebNode::rootEditableElement() const 219 { 220 return WebElement(m_private->rootEditableElement()); 221 } 222 223 bool WebNode::focused() const 224 { 225 return m_private->focused(); 226 } 227 228 bool WebNode::remove() 229 { 230 TrackExceptionState exceptionState; 231 m_private->remove(exceptionState); 232 return !exceptionState.hadException(); 233 } 234 235 bool WebNode::hasNonEmptyBoundingBox() const 236 { 237 m_private->document().updateLayoutIgnorePendingStylesheets(); 238 return m_private->hasNonEmptyBoundingBox(); 239 } 240 241 WebPluginContainer* WebNode::pluginContainer() const 242 { 243 if (isNull()) 244 return 0; 245 const Node& coreNode = *constUnwrap<Node>(); 246 if (isHTMLObjectElement(coreNode) || isHTMLEmbedElement(coreNode)) { 247 RenderObject* object = coreNode.renderer(); 248 if (object && object->isWidget()) { 249 Widget* widget = WebCore::toRenderWidget(object)->widget(); 250 if (widget && widget->isPluginContainer()) 251 return toWebPluginContainerImpl(widget); 252 } 253 } 254 return 0; 255 } 256 257 WebElement WebNode::shadowHost() const 258 { 259 if (isNull()) 260 return WebElement(); 261 const Node* coreNode = constUnwrap<Node>(); 262 return WebElement(coreNode->shadowHost()); 263 } 264 265 WebNode::WebNode(const PassRefPtrWillBeRawPtr<Node>& node) 266 : m_private(node) 267 { 268 } 269 270 WebNode& WebNode::operator=(const PassRefPtrWillBeRawPtr<Node>& node) 271 { 272 m_private = node; 273 return *this; 274 } 275 276 WebNode::operator PassRefPtrWillBeRawPtr<Node>() const 277 { 278 return m_private.get(); 279 } 280 281 } // namespace blink 282
