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34 #include "../platform/WebCommon.h"
35 #include "../platform/WebPrivatePtr.h"
36 #include "../platform/WebString.h"
37 #include "WebExceptionCode.h"
39 namespace WebCore { class Node; }
43 class WebDOMEventListener;
44 class WebDOMEventListenerPrivate;
47 class WebElementCollection;
50 class WebPluginContainer;
52 // Provides access to some properties of a DOM node.
53 // Note that the class design requires that neither this class nor any of its subclasses have any virtual
54 // methods (other than the destructor), so that it is possible to safely static_cast an instance of one
55 // class to the appropriate subclass based on the actual type of the wrapped WebCore::Node. For the same
56 // reason, subclasses must not add any additional data members.
59 virtual ~WebNode() { reset(); }
62 WebNode(const WebNode& n) { assign(n); }
63 WebNode& operator=(const WebNode& n)
69 BLINK_EXPORT void reset();
70 BLINK_EXPORT void assign(const WebNode&);
72 BLINK_EXPORT bool equals(const WebNode&) const;
73 // Required for using WebNodes in std maps. Note the order used is
74 // arbitrary and should not be expected to have any specific meaning.
75 BLINK_EXPORT bool lessThan(const WebNode&) const;
77 bool isNull() const { return m_private.isNull(); }
84 // EntityReferenceNodes are impossible to create in Blink.
85 // EntityNodes are impossible to create in Blink.
86 ProcessingInstructionsNode = 7,
89 DocumentTypeNode = 10,
90 DocumentFragmentNode = 11,
91 // NotationNodes are impossible to create in Blink.
92 // XPathNamespaceNodes are impossible to create in Blink.
96 BLINK_EXPORT NodeType nodeType() const;
97 BLINK_EXPORT WebNode parentNode() const;
98 BLINK_EXPORT WebString nodeName() const;
99 BLINK_EXPORT WebString nodeValue() const;
100 BLINK_EXPORT WebDocument document() const;
101 BLINK_EXPORT WebNode firstChild() const;
102 BLINK_EXPORT WebNode lastChild() const;
103 BLINK_EXPORT WebNode previousSibling() const;
104 BLINK_EXPORT WebNode nextSibling() const;
105 BLINK_EXPORT bool hasChildNodes() const;
106 BLINK_EXPORT WebNodeList childNodes();
107 BLINK_EXPORT WebString createMarkup() const;
108 BLINK_EXPORT bool isLink() const;
109 BLINK_EXPORT bool isTextNode() const;
110 BLINK_EXPORT bool isFocusable() const;
111 BLINK_EXPORT bool isContentEditable() const;
112 BLINK_EXPORT bool isElementNode() const;
113 // addEventListener only works with a small set of eventTypes.
114 BLINK_EXPORT void addEventListener(const WebString& eventType, WebDOMEventListener* listener, bool useCapture);
115 BLINK_EXPORT bool dispatchEvent(const WebDOMEvent&);
116 BLINK_EXPORT void simulateClick();
117 BLINK_EXPORT WebElementCollection getElementsByTagName(const WebString&) const;
118 BLINK_EXPORT WebElement querySelector(const WebString&, WebExceptionCode&) const;
119 BLINK_EXPORT WebElement rootEditableElement() const;
120 BLINK_EXPORT bool focused() const;
121 BLINK_EXPORT bool remove();
123 // Returns true if the node has a non-empty bounding box in layout.
124 // This does not 100% guarantee the user can see it, but is pretty close.
125 // Note: This method only works properly after layout has occurred.
126 BLINK_EXPORT bool hasNonEmptyBoundingBox() const;
127 BLINK_EXPORT WebPluginContainer* pluginContainer() const;
128 BLINK_EXPORT WebElement shadowHost() const;
130 template<typename T> T to()
133 res.WebNode::assign(*this);
137 template<typename T> const T toConst() const
140 res.WebNode::assign(*this);
144 #if BLINK_IMPLEMENTATION
145 WebNode(const WTF::PassRefPtr<WebCore::Node>&);
146 WebNode& operator=(const WTF::PassRefPtr<WebCore::Node>&);
147 operator WTF::PassRefPtr<WebCore::Node>() const;
150 #if BLINK_IMPLEMENTATION
151 template<typename T> T* unwrap()
153 return static_cast<T*>(m_private.get());
156 template<typename T> const T* constUnwrap() const
158 return static_cast<const T*>(m_private.get());
163 WebPrivatePtr<WebCore::Node> m_private;
166 inline bool operator==(const WebNode& a, const WebNode& b)
171 inline bool operator!=(const WebNode& a, const WebNode& b)
176 inline bool operator<(const WebNode& a, const WebNode& b)
178 return a.lessThan(b);